copied turtle related xdl files over

to expo-notifications

<!-- Thanks for contributing to _turtle_! Before you submit your pull request, please make sure to check the following boxes by putting an x in the [ ] (don't: [x ], [ x], do: [x]) -->

### Checklist
- [x] I've read the [Contribution Guidelines](https://github.com/expo/turtle/blob/master/CONTRIBUTING.md).
- [x] I've updated the [CHANGELOG](https://github.com/expo/turtle/blob/master/CHANGELOG.md) if necessary.
- [x] I've ensured the unit and smoke tests are still passing - either by running `yarn test:unit` and `yarn test:smoke:[ios|android]` or by checking the appropriate CircleCI builds' statuses.
- [x] **I've manually tested whether the changes I made work as expected.**

### Motivation and Context
Adds https://github.com/expo/expo/commit/0e0bbdd7b45b3e8f8725bcd831263f049c0aa16a and https://github.com/expo/expo/commit/c49a0464aef589dc9dd691cea78313d91959d64c fixing long-standing notifications bug.

.circleci/config.yml

@@ -164,7 +164,7 @@ commands:
         default: ios
       sdk_version:
         type: string
-        default: sdk37
+        default: sdk39
     steps:
       - restore_cache:
           key: "workingdir-v2-<< parameters.platform >>-<< parameters.sdk_version >>"
@@ -179,7 +179,7 @@ commands:
         default: ios
       sdk_version:
         type: string
-        default: sdk37
+        default: sdk39
     steps:
       - save_cache:
           key: "workingdir-v2-<< parameters.platform >>-<< parameters.sdk_version >>"
@@ -238,14 +238,14 @@ jobs:
       - save_yarn_cache:
           platform: darwin
       - restore_workingdir_cache:
-          sdk_version: sdk37
+          sdk_version: sdk39
           platform: ios
       - run:
           name: Run iOS smoke tests
-          command: SDK_VERSION=sdk37 ./scripts/tests/runIOSSmokeTestsCI.sh
+          command: SDK_VERSION=sdk39 ./scripts/tests/runIOSSmokeTestsCI.sh
       - save_workingdir_cache:
           workingdir: /Users/distiller/project/workingdir
-          sdk_version: sdk37
+          sdk_version: sdk39
           platform: ios
 
   android_smoke_tests:
@@ -257,11 +257,11 @@ jobs:
       - run: yarn
       - save_yarn_cache
       - restore_workingdir_cache:
-          sdk_version: sdk37
+          sdk_version: sdk39
           platform: android
       - run:
           name: Fetch Android shell app
-          command: SDK_VERSION=sdk37 ./scripts/android/fetchRemoteAndroidTarball.sh
+          command: SDK_VERSION=sdk39 ./scripts/android/fetchRemoteAndroidTarball.sh
       - run:
           name: Run Android smoke tests
           command: |
@@ -269,7 +269,7 @@ jobs:
               --run "./scripts/tests/runAndroidSmokeTestsCI.sh"
       - save_workingdir_cache:
           workingdir: ~/turtle/workingdir
-          sdk_version: sdk37
+          sdk_version: sdk39
           platform: android
 
   android_staging_deploy:

.release-it.json

@@ -10,6 +10,9 @@
     "release": true
   },
   "hooks": {
+    "before:init": [
+      "yarn"
+    ],
     "after:release": "yarn release:update:turtle-cli-example"
   }
 }

CHANGELOG.md

@@ -7,6 +7,162 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+- Updated SDK 40 Android, iOS, and client tarballs for patch release.
+
+# [0.20.6] - 2021-01-25
+
+- Update tarballs for SDK 40 patch release (3e345dd)
+
+# [0.20.5] - 2020-12-23
+
+### Changed
+
+- Updated SDK 40 Android tarball to fix `expo-location` background permissions on Android <9.
+
+# [0.20.4] - 2020-12-17
+
+### Changed
+
+- Updated SDK 40 iOS tarball to fix `expo-notifications` not emitting initial notification response.
+
+# [0.20.3] - 2020-12-10
+
+### Fixed
+
+- Verify jq installation before proceeding with release ([#281](https://github.com/expo/turtle/pull/281)).
+- Fixed the iOS build when running offline and user lacks elevated permissions.
+
+# [0.20.2] - 2020-12-09
+
+### Changed
+
+- Updated SDK 40 Android tarball to fix `expo-notifications` installation identifier changing as a bug.
+
+# [0.20.1] - 2020-12-08
+
+### Changed
+
+- Update SDK 40 iOS and Android tarballs for release
+
+# [0.20.0] - 2020-11-30
+
+- Add SDK 40 tarballs in preparation for SDK 40 beta
+
+# [0.19.1] - 2020-11-19
+
+### Fixed
+
+- Fixed the iOS build using Xcode 12.1 by runnig `xcrun simctl list` before the build phase.
+- Rebuild iOS tarballs (SDK 36, 37, 38, 39, Ad-Hoc Client) with Xcode 12.1 containing iOS 14 image fix.
+
+# [0.19.0] - 2020-11-13
+
+### Changed
+
+- Rebuild iOS tarballs (SDK 36, 37, 38, 39, Ad-Hoc Client) with Xcode 12.1.
+
+# [0.18.9] - 2020-11-09
+
+### Fixed
+
+- Updated xdl to 58.0.20 to fix an issue with updates.checkAutomatically not being applied properly to SDK 39 Android apps.
+
+# [0.18.8] - 2020-10-27
+
+### Fixed
+
+- Fix issues with Reanimated v2 in Android SDK 39 tarball.
+
+# [0.18.7] - 2020-10-23
+
+### Fixed
+
+- Fix issue with updates in self-hosted Android apps ([#10746](https://github.com/expo/expo/issues/10746)) in the SDK 39 tarball
+
+# [0.18.6] - 2020-10-22
+
+### Fixed
+
+- Fix issues with notifications ([10624](https://github.com/expo/expo/pull/10624) and [10608](https://github.com/expo/expo/pull/10608)) in the Android SDK 39 tarball.
+
+# [0.18.5] - 2020-10-07
+
+### Fixed
+
+- Always add expo-notifications for SDK >= 39 projects with android.enableDangerousExperimentalLeanBuilds enabled.
+
+# [0.18.4] - 2020-10-06
+
+### Fixed
+
+- Fixed an issue with notifications ([expo/expo#10562](https://github.com/expo/expo/issues/10562)) in the Android SDK 39 tarball.
+
+# [0.18.3] - 2020-10-03
+
+### Fixed
+
+- Update @expo/xdl to fix regression in SDK <= 39 splash
+
+# [0.18.2] - 2020-10-03
+
+### Fixed
+
+- Updated SDK 39 Android tarball.
+- Updated SDK 39 iOS tarball.
+- Updated iOS client tarball.
+- Update @expo/config and @expo/xdl. Temporarily bring in type definitions for color-string and xcode.
+
+## [0.18.1] - 2020-09-22
+
+### Fixed
+
+- Fix building apps using SDK 39 for Android.
+
+## [0.18.0] - 2020-09-21
+
+### Added
+
+- Added iOS and Android shell apps for SDK 39.
+
+### Removed
+
+- Dropped support for SDK 35.
+
+## [0.17.3] - 2020-09-14
+
+### Added
+
+- Added gradle 6.2 to `turtle-android-base`
+- Added `ANDROID_NDK_HOME` in `turtle-android-base`
+
+### Changed
+
+- Upgraded XDL so it processes root `build.gradle` of Android shell apps too
+
+## [0.17.2] - 2020-08-06
+
+### Changed
+
+- Updated iOS shell app for SDK 38 with fixed integer tagging in expo-gl for iOS 14. ([#245](https://github.com/expo/turtle/pull/245))
+
+## [0.17.1] - 2020-08-05
+
+### Changed
+
+- Updated Android shell app for SDK 38 with `targetSdkVersion` bumped to 29. ([#244](https://github.com/expo/turtle/pull/244))
+
+## [0.17.0] - 2020-07-16
+
+### Added
+
+- `--gradle-args` option for `turtle build:android` which makes it possible to specify custom Gradle arguments.
+
+### Changed
+
+- Gradle Wrapper doesn't print when dots when the appropriate version of Gradle is being downloaded.
+
+## [0.16.2] - 2020-07-01
+
 ### Added
 
 - Added `--allow-non-https-public-url` to allow bypass of protocol validation on `--public-url`.

DEVELOPMENT.md

@@ -8,7 +8,7 @@
 ## Setup
 
 - Run `update-local-secrets` to populate the `.secrets*` files. You'll need to run this any time any secret changes (it shouldn't be very often).
-- Run `EXPO_UNIVERSE_DIR=/path/to/universe/dir yarn secrets:init-private YOUR_SQS_NICKNAME`. Alternatively, you can create `.secrets.local-queue` file with the SQS queues' urls yourself (`AWS_SQS_OUT_QUEUE_URL`, `AWS_SQS_ANDROID_QUEUE_URL`, `AWS_SQS_ANDROID_PRIORITY_QUEUE_URL`, `AWS_SQS_IOS_QUEUE_URL`, `AWS_SQS_IOS_PRIORITY_QUEUE_URL`)
+- Run `EXPO_UNIVERSE_DIR=/path/to/universe/dir yarn secrets:init-private YOUR_SQS_NICKNAME`. Alternatively, you can create `.secrets.local-queue` file with the SQS queues' urls yourself (`AWS_SQS_ANDROID_QUEUE_URL`, `AWS_SQS_ANDROID_PRIORITY_QUEUE_URL`, `AWS_SQS_IOS_QUEUE_URL`, `AWS_SQS_IOS_PRIORITY_QUEUE_URL`)
 - Run `yarn set-workingdir:local` or `yarn set-workingdir:remote`:
   - `:local` creates symlinks to the shell apps in `expo` repository (_unfortunately this is currently broken_)
   - `:remote` downloads precompiled shell apps

Dockerfile

@@ -1,5 +1,5 @@
 # see docker-base/Dockerfile to learn what's installed in the turtle-android-base image
-FROM gcr.io/exponentjs/turtle-android-base:0.4.0
+FROM gcr.io/exponentjs/turtle-android-base:0.5.0
 
 ADD . /app/turtle
 

README.md

@@ -21,7 +21,7 @@ You can use it both on your CI and your private computer.
 
 ## Installation
 
-[Installation instructions and documentation here.](https://docs.expo.io/versions/latest/distribution/turtle-cli)
+[Installation instructions and documentation here.](https://docs.expo.io/distribution/turtle-cli/)
 
 ## Usage example
 

docker-base/Dockerfile

@@ -57,10 +57,23 @@ ENV PATH ${ANDROID_HOME}/build-tools/28.0.3/:${PATH}
 
 ADD configureAndroidSdk.sh /tmp/configureAndroidSdk.sh
 RUN /tmp/configureAndroidSdk.sh --install-all-platforms
+ENV ANDROID_NDK_HOME /usr/local/android-sdk-linux/ndk/17.2.4988734
 
 # Support Gradle
 ENV TERM dumb
 
+# Install gradle 6.2
+RUN wget https://services.gradle.org/distributions/gradle-6.2-all.zip
+RUN unzip -qq gradle-6.2-all.zip
+RUN cp -r gradle-6.2 /usr/local
+
+RUN mkdir -p /root/.gradle/wrapper/dists/gradle-6.2-all/dvufqs6kielxeao781pmk5huj
+RUN mv gradle-6.2-all.zip /root/.gradle/wrapper/dists/gradle-6.2-all/dvufqs6kielxeao781pmk5huj
+RUN mv gradle-6.2 /root/.gradle/wrapper/dists/gradle-6.2-all/dvufqs6kielxeao781pmk5huj
+RUN touch /root/.gradle/wrapper/dists/gradle-6.2-all/dvufqs6kielxeao781pmk5huj/gradle-6.2-all.zip.ok
+RUN touch /root/.gradle/wrapper/dists/gradle-6.2-all/dvufqs6kielxeao781pmk5huj/gradle-6.2-all.zip.lck
+RUN chmod 755 /root/.gradle/wrapper/dists/gradle-6.2-all/dvufqs6kielxeao781pmk5huj/gradle-6.2/bin/gradle
+
 # Install gradle 5.6.3
 RUN wget https://services.gradle.org/distributions/gradle-5.6.3-all.zip
 RUN unzip -qq gradle-5.6.3-all.zip

k8s/android/turtle-deployment.template.yml

@@ -88,11 +88,6 @@ spec:
               secretKeyRef:
                 name: turtle-js-config
                 key: aws_sqs_android_priority_queue_url
-          - name: AWS_SQS_OUT_QUEUE_URL
-            valueFrom:
-              secretKeyRef:
-                name: turtle-js-config
-                key: aws_sqs_out_queue_url
           - name: AWS_CLOUDWATCH_REGION
             valueFrom:
               secretKeyRef:
@@ -149,9 +144,9 @@ spec:
           - name: DISABLE_DEX_MAX_HEAP
             value: "true"
           - name: JAVA_OPTS
-            value: '-Xms2048m -XX:+HeapDumpOnOutOfMemoryError -XX:+UnlockExperimentalVMOptions -XX:+UseCGroupMemoryLimitForHeap -XX:+UseG1GC'
+            value: '-Xms2048m -Xmx8192m -XX:+HeapDumpOnOutOfMemoryError -XX:+UseG1GC'
           - name: GRADLE_OPTS
-            value: '-Dorg.gradle.parallel=true -Dorg.gradle.configureondemand=true -Dorg.gradle.daemon=false -Dorg.gradle.jvmargs="-Xms2048m -XX:+HeapDumpOnOutOfMemoryError -XX:+UnlockExperimentalVMOptions -XX:+UseCGroupMemoryLimitForHeap -XX:+UseG1GC"'
+            value: '-Dorg.gradle.parallel=true -Dorg.gradle.configureondemand=true -Dorg.gradle.daemon=false -Dorg.gradle.jvmargs="-Xms2048m -Xmx8192m -XX:+HeapDumpOnOutOfMemoryError -XX:+UseG1GC"'
           - name: REDIS_CA_CERTIFICATE
             value: '/var/run/config/redislabs-tls/redislabs_ca.pem'
         resources:

package.json

@@ -1,6 +1,6 @@
 {
   "name": "turtle-cli",
-  "version": "0.16.1",
+  "version": "0.20.7",
   "description": "The command-line tool for building standalone Expo apps",
   "preferGlobal": true,
   "scripts": {
@@ -67,16 +67,20 @@
     "registry": "https://registry.npmjs.org/"
   },
   "devDependencies": {
-    "@expo/babel-preset-cli": "^0.1.3",
+    "@expo/babel-preset-cli": "^0.2.18",
+    "@types/color-string": "^1.5.0",
     "@types/decompress": "^4.2.3",
     "@types/fs-extra": "^5.0.4",
     "@types/ioredis": "^4.16.6",
     "@types/jest": "^23.3.9",
+    "@types/probe-image-size": "^5.0.1",
+    "@types/latest-version": "^4.0.1",
     "@types/joi": "^13.4.3",
     "@types/lodash": "^4.14.129",
     "@types/node-forge": "^0.8.6",
     "@types/npm-package-arg": "^6.1.0",
     "@types/progress": "^2.0.1",
+    "@types/ncp": "^2.0.1",
     "@types/raven": "^2.5.1",
     "@types/request": "^2.47.1",
     "@types/request-promise": "^4.1.44",
@@ -86,15 +90,16 @@
     "@types/uuid": "^3.4.3",
     "@types/webpack": "^4.32.1",
     "@types/webpack-dev-server": "^3.1.7",
+    "@types/url-join": "^4.0.0",
     "@types/which": "^1.3.1",
     "husky": "^1.3.1",
-    "jest": "^25.1.0",
+    "jest": "^26.1.0",
     "lint-staged": "^8.1.5",
     "nock": "^10.0.1",
     "nodemon": "^2.0.2",
     "release-it": "^12.3.4",
     "rimraf": "^2.6.2",
-    "ts-jest": "^25.2.1",
+    "ts-jest": "^26.1.2",
     "ts-node": "^8.0.3",
     "ts-transformer-imports": "^0.4.1",
     "tsconfig-paths": "^3.8.0",
@@ -104,12 +109,21 @@
     "typescript": "^3.9.5"
   },
   "dependencies": {
-    "@expo/config": "^3.2.14",
-    "@expo/spawn-async": "^1.4.2",
-    "@expo/xdl": "^57.9.13",
+    "@expo/bunyan": "4.0.0",
+    "@expo/config": "~3.3.9",
+    "@expo/spawn-async": "~1.5.0",
+    "@expo/plist": "0.0.11",
+    "@expo/json-file": "8.2.26",
     "@google-cloud/logging-bunyan": "^2.0.3",
     "async-retry": "^1.2.1",
     "aws-sdk": "^2.226.1",
+    "axios": "0.21.1",
+    "ncp": "2.0.0",
+    "minimatch": "3.0.4",
+    "indent-string": "3.2.0",
+    "pascal-case": "2.0.1",
+    "node-forge": "0.7.6",
+    "glob": "7.1.6",
     "bunyan": "^1.8.12",
     "bunyan-debug-stream": "^1.0.8",
     "bunyan-sentry-stream": "^1.2.1",
@@ -121,18 +135,30 @@
     "ioredis": "^4.17.3",
     "is-semver": "^1.0.8",
     "joi": "^13.2.0",
+    "latest-version": "5.1.0",
     "lodash": "^4.17.11",
+    "p-map": "3.0.0",
+    "p-retry": "4.1.0",
+    "probe-image-size": "^6.0.0",
+    "p-timeout": "3.1.0",
+    "package-json": "6.4.0",
     "progress": "^2.0.0",
+    "prompts": "^2.3.2",
     "raven": "^2.6.2",
     "request": "^2.88.0",
     "request-progress": "^3.0.0",
     "request-promise": "^4.2.5",
+    "replace-string": "1.1.0",
+    "rimraf": "^2.6.2",
     "semver": "^6.0.0",
     "sharp": "0.24.1",
     "source-map-support": "^0.5.6",
     "tar": "^4.4.6",
+    "url-join": "4.0.0",
     "uuid": "^3.2.1",
-    "which": "^1.3.1"
+    "which": "^1.3.1",
+    "xcode": "^2.1.0",
+    "xmldom": "0.1.27"
   },
   "optionalDependencies": {
     "@expo/traveling-fastlane-darwin": "1.11.4"

scripts/initPrivateSecrets.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
 if [ -z "$EXPO_UNIVERSE_DIR" ]; then
-  echo "You need to specify EXPO_UNIVERSE_DIR to use this script. Alternatively you can create .secrets.local-queue file yourself with AWS_SQS_ANDROID_QUEUE_URL, AWS_SQS_IOS_QUEUE_URL and AWS_SQS_OUT_QUEUE_URL variables."
+  echo "You need to specify EXPO_UNIVERSE_DIR to use this script. Alternatively you can create .secrets.local-queue file yourself with AWS_SQS_ANDROID_QUEUE_URL and AWS_SQS_IOS_QUEUE_URL variables."
   exit 1
 fi
 
@@ -17,13 +17,11 @@ ANDROID_NORMAL=`cd $TERRAFORM_DIR; terraform state show module.turtle_queues_loc
 ANDROID_PRIORITY=`cd $TERRAFORM_DIR; terraform state show module.turtle_queues_local_$1.aws_sqs_queue.jobs_android_in_priority | head -1 | cut -d"=" -f2 | xargs`
 IOS_NORMAL=`cd $TERRAFORM_DIR; terraform state show module.turtle_queues_local_$1.aws_sqs_queue.jobs_ios_in | head -1 | cut -d"=" -f2 | xargs`
 IOS_PRIORITY=`cd $TERRAFORM_DIR; terraform state show module.turtle_queues_local_$1.aws_sqs_queue.jobs_ios_in_priority | head -1 | cut -d"=" -f2 | xargs`
-OUT=`cd $TERRAFORM_DIR; terraform state show module.turtle_queues_local_$1.aws_sqs_queue.jobs_out | head -1 | cut -d"=" -f2 | xargs`
 
 cat << EOF > $TURTLE_DIR/.secrets.local-queue
 AWS_SQS_ANDROID_QUEUE_URL="$ANDROID_NORMAL"
 AWS_SQS_ANDROID_PRIORITY_QUEUE_URL="$ANDROID_PRIORITY"
 AWS_SQS_IOS_QUEUE_URL="$IOS_NORMAL"
 AWS_SQS_IOS_PRIORITY_QUEUE_URL="$IOS_PRIORITY"
-AWS_SQS_OUT_QUEUE_URL="$OUT"
 EOF
 

scripts/release.sh

@@ -2,6 +2,12 @@
 
 set -eo pipefail
 
+if ! command -v jq &> /dev/null
+then
+    echo "jq is not installed and is required by the release script. Install it through homebrew or your package manager of choice."
+    exit
+fi
+
 ROOT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )"/.. && pwd )"
 
 if [[ -z "$GITHUB_TOKEN" || -z "$CIRCLE_API_USER_TOKEN" ]]; then

scripts/releaseBeta.sh

@@ -2,6 +2,12 @@
 
 set -eo pipefail
 
+if ! command -v jq &> /dev/null
+then
+    echo "jq is not installed and is required by the release script. Install it through homebrew or your package manager of choice."
+    exit
+fi
+
 ROOT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )"/.. && pwd )"
 
 $ROOT_DIR/node_modules/.bin/release-it -c $ROOT_DIR/.release-it.beta.json --preRelease=beta

scripts/setWorkingdirMode.sh

@@ -7,7 +7,7 @@ DOWNLOAD_DIR="${EXPO_DOWNLOAD_DIR:-$HOME/Downloads}"
 mkdir -p $DOWNLOAD_DIR
 
 if [ ! -f "$ROOT_DIR/.secrets.local-queue" ]; then
-  echo "You need to run \"yarn secrets:init-private [SQS_NAME]\" or create the .secrets.local-queue file yourself with AWS_SQS_ANDROID_QUEUE_URL, AWS_SQS_ANDROID_PRIORITY_QUEUE_URL, AWS_SQS_IOS_QUEUE_URL, AWS_SQS_IOS_PRIORITY_QUEUE_URL and AWS_SQS_OUT_QUEUE_URL variables."
+  echo "You need to run \"yarn secrets:init-private [SQS_NAME]\" or create the .secrets.local-queue file yourself with AWS_SQS_ANDROID_QUEUE_URL, AWS_SQS_ANDROID_PRIORITY_QUEUE_URL, AWS_SQS_IOS_QUEUE_URL, and AWS_SQS_IOS_PRIORITY_QUEUE_URL variables."
   exit 1
 fi
 

scripts/tests/runAndroidSmokeTestsCI.sh

@@ -13,7 +13,6 @@ export AWS_SQS_ANDROID_QUEUE_URL="https://sqs.us-west-2.amazonaws.com/2742511416
 export AWS_SQS_ANDROID_PRIORITY_QUEUE_URL="https://sqs.us-west-2.amazonaws.com/274251141632/turtle_jobs_local_dominik_android_in_priority.fifo"
 export AWS_SQS_IOS_QUEUE_URL="https://sqs.us-west-2.amazonaws.com/274251141632/turtle_jobs_local_dominik_ios_in.fifo"
 export AWS_SQS_IOS_PRIORITY_QUEUE_URL="https://sqs.us-west-2.amazonaws.com/274251141632/turtle_jobs_local_dominik_ios_in_priority.fifo"
-export AWS_SQS_OUT_QUEUE_URL="https://sqs.us-west-2.amazonaws.com/274251141632/turtle_jobs_local_dominik_out.fifo"
 export AWS_SQS_REGION="aws.west2"
 export AWS_S3_BUCKET="exp-shell-app-assets"
 export AWS_S3_REGION="us-west-1"
@@ -26,7 +25,7 @@ export REDIS_CONFIG_URL="noop"
 export DATADOG_DISABLED="true"
 export TURTLE_SDK_VERSIONS_SECRET_TOKEN="noop"
 
-pushd $ROOT_DIR/workingdir/android/${SDK_VERSION:-sdk37} >/dev/null 2>&1
+pushd $ROOT_DIR/workingdir/android/${SDK_VERSION:-sdk39} >/dev/null 2>&1
 yarn
 popd >/dev/null 2>&1
 

scripts/tests/runIOSSmokeTestsCI.sh

@@ -9,7 +9,6 @@ export AWS_SQS_ANDROID_QUEUE_URL="https://sqs.us-west-2.amazonaws.com/2742511416
 export AWS_SQS_ANDROID_PRIORITY_QUEUE_URL="https://sqs.us-west-2.amazonaws.com/274251141632/turtle_jobs_local_dominik_android_in_priority.fifo"
 export AWS_SQS_IOS_QUEUE_URL="https://sqs.us-west-2.amazonaws.com/274251141632/turtle_jobs_local_dominik_ios_in.fifo"
 export AWS_SQS_IOS_PRIORITY_QUEUE_URL="https://sqs.us-west-2.amazonaws.com/274251141632/turtle_jobs_local_dominik_ios_in_priority.fifo"
-export AWS_SQS_OUT_QUEUE_URL="https://sqs.us-west-2.amazonaws.com/274251141632/turtle_jobs_local_dominik_out.fifo"
 export AWS_SQS_REGION="aws.west2"
 export AWS_S3_BUCKET="exp-shell-app-assets"
 export AWS_S3_REGION="us-west-1"

scripts/tests/runUnitTestsCI.sh

@@ -9,7 +9,6 @@ export AWS_SQS_IOS_QUEUE_URL="noop"
 export AWS_SQS_ANDROID_QUEUE_URL="noop"
 export AWS_SQS_IOS_PRIORITY_QUEUE_URL="noop"
 export AWS_SQS_ANDROID_PRIORITY_QUEUE_URL="noop"
-export AWS_SQS_OUT_QUEUE_URL="noop"
 export AWS_ACCESS_KEY_ID="noop"
 export AWS_SECRET_ACCESS_KEY="noop"
 export AWS_SQS_REGION="noop"

scripts/updateTurtleCliExampleRepo.sh

@@ -2,6 +2,12 @@
 
 set -eo pipefail
 
+if ! command -v jq &> /dev/null
+then
+    echo "jq is not installed and is required by the release script. Install it through homebrew or your package manager of choice."
+    exit
+fi
+
 DEPLOY_ENDPOINT_URL="https://circleci.com/api/v1.1/project/github/expo/turtle-cli-example/tree/updates-do-not-remove-me"
 
 curl -X POST \

shellTarballs/android/sdk35

@@ -1 +0,0 @@
-s3://exp-artifacts/android-shell-builder-7ce098f40cc82a2f61fed9f1f515d695a83c55b2.tar.gz

shellTarballs/android/sdk38

@@ -1 +1 @@
-s3://exp-artifacts/android-shell-builder-076a13fd8b4ee84a59eb6d2777f6db0a2c71fb6d.tar.gz
+s3://exp-artifacts/android-shell-builder-6cde8e00cd7bdf7a933cd8aad7f8e86981ea68a2.tar.gz

shellTarballs/android/sdk39

@@ -0,0 +1 @@
+s3://exp-artifacts/android-shell-builder-d292dcd0cc277ab665957244a8b15b9981debd29.tar.gz

shellTarballs/android/sdk40

@@ -0,0 +1 @@
+s3://exp-artifacts/android-shell-builder-277393d97877f56ba3639ab153c69f109d248436.tar.gz

shellTarballs/ios/client

@@ -1 +1 @@
-s3://exp-artifacts/ios-expo-client-18a58afe742e63f1d2ac71ba21404d8b84e6563e.tar.gz
+s3://exp-artifacts/ios-expo-client-dd6b6b4840c7a99725f1ec9a9a3970de91e90b1d.tar.gz

shellTarballs/ios/sdk35

@@ -1 +0,0 @@
-s3://exp-artifacts/ios-shell-builder-sdk-latest-0115c48ddac4f63e5215541dff804871ef8c1e03.tar.gz

shellTarballs/ios/sdk36

@@ -1 +1 @@
-s3://exp-artifacts/ios-shell-builder-sdk-latest-661a51216c2241dcfdd930517968cd1d0e0ee237.tar.gz
+s3://exp-artifacts/ios-shell-builder-sdk-latest-0983415327f49592d81f0bd3dc8c46a3572c19b0.tar.gz

shellTarballs/ios/sdk37

@@ -1 +1 @@
-s3://exp-artifacts/ios-shell-builder-sdk-latest-30eb0558ff6a77acf56bb045e98b84f6a5e1478a.tar.gz
+s3://exp-artifacts/ios-shell-builder-sdk-latest-df407aadb7208fc389564aed400c39263294eb76.tar.gz

shellTarballs/ios/sdk38

@@ -1 +1 @@
-s3://exp-artifacts/ios-shell-builder-sdk-latest-b0acfb129b4526f771bd0b363f2896b35f007e83.tar.gz
+s3://exp-artifacts/ios-shell-builder-sdk-latest-ba6ec1974977bebf8fd2db22a1c87f6a0b36ffa5.tar.gz

shellTarballs/ios/sdk39

@@ -0,0 +1 @@
+s3://exp-artifacts/ios-shell-builder-sdk-latest-4a9a038998f6be13e8a2900a95afbb9f96dd023d.tar.gz

shellTarballs/ios/sdk40

@@ -0,0 +1 @@
+s3://exp-artifacts/ios-shell-builder-sdk-latest-dd6b6b4840c7a99725f1ec9a9a3970de91e90b1d.tar.gz

src/__smoke__/fixtures/android/recording.json

@@ -1 +1 @@
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truncated
+[{"scope":"https://sqs.us-west-2.amazonaws.com:443","method":"POST","path":"/","body":"Action=ReceiveMessage&MaxNumberOfMessages=1&QueueUrl=https%3A%2F%2Fsqs.us-west-2.amazonaws.com%2F274251141632%2Fturtle_jobs_local_dominik_android_in.fifo&Version=2012-11-05&VisibilityTimeout=30","status":200,"response":"<?xml version=\"1.0\"?><ReceiveMessageResponse xmlns=\"http://queue.amazonaws.com/doc/2012-11-05/\"><ReceiveMessageResult/><ResponseMetadata><RequestId>8de5bfc7-bc8e-5ee3-9e04-e787ff880c47</RequestId></ResponseMetadata></ReceiveMessageResponse>","rawHeaders":["x-amzn-RequestId","8de5bfc7-bc8e-5ee3-9e04-e787ff880c47","Date","Tue, 01 Dec 2020 13:10:35 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truncated

src/__smoke__/fixtures/ios/recording.json

@@ -1 +1 @@
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GMT","Content-Type","text/xml","Content-Length","240"]},{"scope":"https://sqs.us-west-2.amazonaws.com:443","method":"POST","path":"/","body":"Action=ReceiveMessage&MaxNumberOfMessages=1&QueueUrl=https%3A%2F%2Fsqs.us-west-2.amazonaws.com%2F274251141632%2Fturtle_jobs_local_dominik_ios_in_priority.fifo&Version=2012-11-05&VisibilityTimeout=30","status":200,"response":"<?xml version=\"1.0\"?><ReceiveMessageResponse xmlns=\"http://queue.amazonaws.com/doc/2012-11-05/\"><ReceiveMessageResult/><ResponseMetadata><RequestId>c1e6a3e3-8d97-57cd-884c-f4e454757fcd</RequestId></ResponseMetadata></ReceiveMessageResponse>","rawHeaders":["x-amzn-RequestId","c1e6a3e3-8d97-57cd-884c-f4e454757fcd","Date","Wed, 08 Apr 2020 13:54:47 GMT","Content-Type","text/xml","Content-Length","240"]},{"scope":"https://sqs.us-west-2.amazonaws.com:443","method":"POST","path":"/","body":"Action=ReceiveMessage&MaxNumberOfMessages=1&QueueUrl=https%3A%2F%2Fsqs.us-west-2.amazonaws.com%2F274251141632%2Fturtle_jobs_local_dominik_ios_in.fifo&Version=2012-11-05&VisibilityTimeout=30","status":200,"response":"<?xml version=\"1.0\"?><ReceiveMessageResponse xmlns=\"http://queue.amazonaws.com/doc/2012-11-05/\"><ReceiveMessageResult/><ResponseMetadata><RequestId>a68dea4b-2de4-5000-b718-bd4cf40ca8fa</RequestId></ResponseMetadata></ReceiveMessageResponse>","rawHeaders":["x-amzn-RequestId","a68dea4b-2de4-5000-b718-bd4cf40ca8fa","Date","Wed, 08 Apr 2020 13:54:53 GMT","Content-Type","text/xml","Content-Length","240"]},{Line truncated
+[{"scope":"https://sqs.us-west-2.amazonaws.com:443","method":"POST","path":"/","body":"Action=ReceiveMessage&MaxNumberOfMessages=1&QueueUrl=https%3A%2F%2Fsqs.us-west-2.amazonaws.com%2F274251141632%2Fturtle_jobs_local_dominik_ios_in.fifo&Version=2012-11-05&VisibilityTimeout=30","status":200,"response":"<?xml version=\"1.0\"?><ReceiveMessageResponse xmlns=\"http://queue.amazonaws.com/doc/2012-11-05/\"><ReceiveMessageResult><Message><MessageId>99e0e5ee-90ef-494e-a275-3c1d55b58d9c</MessageId><ReceiptHandle>AQEB73473140rmgRe58W4T81ev8RJFQ0PvS6vOcHcSVdAV9D+bmP66k8qIqGuc0LJqR4bE9GLWG+QnM7N8rRW1tjIB74Gt9Co3PD7KFwrdgjZ3eys3fjK9nMfOj7BI0DMIP2xWi3YC90300dr/tTgJhVxfDh+Y0nYWleN9qEmttJoRqlJdSMgokqBR5VBFbhAmoNfsbSQnLzwU7fe/g2gjarImBRaCYpNWHYmS9CLozP5RBGKCddzQLvaNxDwORZXzHbYPZha5eFIDfXa3ncBtK2XdbOiquCmEB1tMt9ziIEOObSt/Vu7CD+ANhRqdqEFL/x</ReceiptHandle><MD5OfBody>ebe1f299d094649b2f3857bbd6f380ec</MD5OfBody><Body>{&quot;id&quot;:&quot;883f68d1-398a-4327-83da-6de1f288456d&quot;,&quot;experienceId&quot;:&quot;2945b084-8989-4a02-b781-2a620034a172&quot;,&quot;experienceName&quot;:&quot;@dsokal/turtle-cli-example&quot;,&quot;platform&quot;:&quot;ios&quot;,&quot;config&quot;:{&quot;releaseChannel&quot;:&quot;default&quot;,&quot;usesNonExemptEncryption&quot;:false,&quot;buildType&quot;:&quot;archive&quot;,&quot;bundleIdentifier&quot;:&quot;com.expo.turtle.cli.example&quot;},&quot;status&quot;:&quot;sent-to-queue&quot;,&quot;sdkVersion&quot;:&quot;39.0.0&quot;,&quot;accountId&quot;:&quot;07eb1118-80a9-4769-a9b5-9f429cab29e2&quot;,&quot;priority&quot;:&quot;normal&quot;,&quot;credentials&quot;:{&quot;apnsKeyId&quot;:&quot;54G5NV49UY&quot;,&quot;apnsKeyP8&quot;:&quot;-----BEGIN PRIVATE KEY-----\\nMIGTAgEAMBMGByqGSM49AgEGCCqGSM49AwEHBHkwdwIBAQQgBtkLIodAlsdUmV1L\\nxirn9Erof29278yzTaR/NNlvF0igCgYIKoZIzj0DAQehRANCAAS5jlfFX2KmTFi/\\ng+aohp77kCfYRZNYYmn4cgn4dKkXu5YOGbTJlzW6384xDpX6uWcXXytKD9cO00uN\\n8v9j4MT6\\n-----END PRIVATE KEY-----&quot;,&quot;teamId&quot;:&quot;QL76XYH73P&quot;,&quot;teamName&quot;:&quot;Alicja Warchał (Individual)&quot;,&quot;certP12&quot;:&quot;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 truncated

src/aws/sqs.ts

@@ -2,9 +2,8 @@ import retry from 'async-retry';
 import AWS from 'aws-sdk';
 import _ from 'lodash';
 
-import { OUTPUT_QUEUE_URL, QUEUE_URL } from 'turtle/aws/utils';
+import { QUEUE_URL } from 'turtle/aws/utils';
 import config from 'turtle/config';
-import { JOB_UPDATE_TYPE } from 'turtle/constants/build';
 import logger from 'turtle/logger';
 import { getCurrentJobId } from 'turtle/turtleContext';
 
@@ -73,19 +72,3 @@ export function changeMessageVisibilityRecurring(priority: string, receiptHandle
     }
   }, (VISIBILITY_TIMEOUT_SEC * 1000) / 3);
 }
-
-export async function sendMessage(jobId: string, status: JOB_UPDATE_TYPE, data = {}) {
-  const params = {
-    MessageBody: JSON.stringify({ jobId, status, ...data }),
-    QueueUrl: OUTPUT_QUEUE_URL(),
-    DelaySeconds: 0,
-    MessageGroupId: jobId,
-  };
-  try {
-    return await retry(async () => {
-      return await sqs.sendMessage(params).promise();
-    });
-  } catch (err) {
-    logger.error({ err }, `Error sending SQS message: ${JSON.stringify(params)}}`);
-  }
-}

src/aws/utils.ts

@@ -1,4 +1,3 @@
 import config from 'turtle/config';
 
 export const QUEUE_URL = (priority: string) => (config.sqs.queues as any)[priority][config.platform];
-export const OUTPUT_QUEUE_URL = () => config.sqs.queues.out;

src/bin/commands/build/android.ts

@@ -29,6 +29,11 @@ export default (program: any, setCommonCommandOptions: any) => {
       /^(debug|release)$/i,
       'release',
     )
+    .option(
+      '--gradle-args <gradle-args>',
+      'optional arguments passed to gradle, make sure to surround them with double quotes'
+      + ' (e.g.: --gradle-args "--stacktrace --debug")',
+    )
     .description(
       'Build a standalone APK or App Bundle for your project, either signed and ready for submission to'
       + ' the Google Play Store or in debug mode.',

src/bin/index.ts

@@ -1,19 +1,27 @@
 import path from 'path';
 
-import { LoggerDetach, ModuleVersion } from '@expo/xdl';
 import program, { Command } from 'commander';
 import fs from 'fs-extra';
+import { LoggerDetach, ModuleVersion } from '../xdl';
 
 import * as commands from 'turtle/bin/commands';
 import logger from 'turtle/logger';
 
-const { name, version } = JSON.parse(fs.readFileSync(path.join(__dirname, '../../package.json'), 'utf-8'));
+const { name, version } = JSON.parse(
+  fs.readFileSync(path.join(__dirname, '../../package.json'), 'utf-8'),
+);
 
-const ModuleVersionChecker = ModuleVersion.createModuleVersionChecker(name, version);
+const ModuleVersionChecker = ModuleVersion.createModuleVersionChecker(
+  name,
+  version,
+);
 
+// @ts-ignore: Type mismatch
 LoggerDetach.configure(logger);
 
-Command.prototype.asyncAction = function asyncAction(asyncFn: (...asyncFnArgs: any[]) => void): Command {
+Command.prototype.asyncAction = function asyncAction(
+  asyncFn: (...asyncFnArgs: any[]) => void,
+): Command {
   return this.action(async (...args) => {
     try {
       await checkForUpdateAsync();
@@ -33,19 +41,24 @@ export function run(programName: string) {
 
 async function runAsync(programName: string) {
   program.version(version);
-  Object.values(commands).forEach((command) => registerCommand(program, command));
+  Object.values(commands).forEach((command) =>
+    registerCommand(program, command),
+  );
   program.parse(process.argv);
 
   const subCommand = process.argv[2];
   if (subCommand) {
-    const commandNames = program.commands.reduce((acc: string[], command: any) => {
-      acc.push(command._name);
-      const alias = command._alias;
-      if (alias) {
-        acc.push(alias);
-      }
-      return acc;
-    }, []);
+    const commandNames = program.commands.reduce(
+      (acc: string[], command: any) => {
+        acc.push(command._name);
+        const alias = command._alias;
+        if (alias) {
+          acc.push(alias);
+        }
+        return acc;
+      },
+      [],
+    );
     if (!commandNames.includes(subCommand)) {
       logger.error(
         `"${subCommand}" is not an ${programName} command. See "${programName} --help" for the full list of commands.`,
@@ -59,7 +72,11 @@ async function runAsync(programName: string) {
 const registerCommand = (prog: any, command: any) => command(prog);
 
 async function checkForUpdateAsync() {
-  const { updateIsAvailable, current, latest } = await ModuleVersionChecker.checkAsync();
+  const {
+    updateIsAvailable,
+    current,
+    latest,
+  } = await ModuleVersionChecker.checkAsync();
   if (updateIsAvailable) {
     logger.warn(
       `There is a new version of ${name} available (${latest}).

src/bin/setup/android/index.ts

@@ -1,9 +1,9 @@
 import path from 'path';
 import util from 'util';
 
-import { ExponentTools } from '@expo/xdl';
 import fs from 'fs-extra';
 import _which from 'which';
+import { ExponentTools } from '../../../xdl';
 
 import ensureAndroidSDKIsPresent from 'turtle/bin/setup/android/sdk';
 import { checkSystem, ensureShellAppIsPresent } from 'turtle/bin/setup/utils/common';

src/bin/setup/android/sdk.ts

@@ -1,9 +1,9 @@
 import os from 'os';
 import path from 'path';
 
-import { ExponentTools } from '@expo/xdl';
 import decompress from 'decompress';
 import fs from 'fs-extra';
+import { ExponentTools } from '../../../xdl';
 
 import * as utils from 'turtle/bin/setup/utils/common';
 import download from 'turtle/bin/setup/utils/downloader';
@@ -67,6 +67,7 @@ function _createEnvVars(androidSdkDir: string) {
   return {
     ANDROID_HOME: androidSdkDir,
     ANDROID_SDK: androidSdkDir,
+    ANDROID_NDK_HOME: path.join(androidSdkDir, 'ndk/17.2.4988734'),
   };
 }
 

src/bin/setup/ios.ts

@@ -3,7 +3,7 @@ import trim from 'lodash/trim';
 import path from 'path';
 import semver from 'semver';
 
-import { ExponentTools } from '@expo/xdl';
+import { ExponentTools } from '../../xdl';
 
 import { checkSystem, ensureShellAppIsPresent } from 'turtle/bin/setup/utils/common';
 import { IToolDefinition } from 'turtle/bin/setup/utils/toolsDetector';

src/bin/setup/utils/common.ts

@@ -1,8 +1,8 @@
 import path from 'path';
 
-import { ExponentTools } from '@expo/xdl';
 import fs from 'fs-extra';
 import tar from 'tar';
+import { ExponentTools } from '../../../xdl';
 
 import download from 'turtle/bin/setup/utils/downloader';
 import { ensureToolsAreInstalled, IToolDefinition } from 'turtle/bin/setup/utils/toolsDetector';
@@ -64,7 +64,7 @@ export function formatArtifactDownloadPath(uri: string) {
 
 async function _readShellAppTarballS3Uri(sdkVersion: string, formatters: IShellAppFormaters) {
   const sdkMajorVersion = ExponentTools.parseSdkMajorVersion(sdkVersion);
-  const filePath = formatters.formatShellAppTarballUriPath(sdkMajorVersion);
+  const filePath = formatters.formatShellAppTarballUriPath(String(sdkMajorVersion));
   const data = await fs.readFile(filePath, 'utf8');
   return data.trim();
 }

src/bin/utils/builder.ts

@@ -1,9 +1,9 @@
 import _url from 'url';
 
 import { ConfigError, getExpoSDKVersion, ProjectConfig } from '@expo/config';
-import { ExponentTools } from '@expo/xdl';
 import _ from 'lodash';
 import uuid from 'uuid';
+import { ExponentTools } from '../../xdl';
 
 import { ErrorWithCommandHelp } from 'turtle/bin/commands/ErrorWithCommandHelp';
 import { ErrorWithProgramHelp } from 'turtle/bin/commands/ErrorWithProgramHelp';
@@ -79,7 +79,7 @@ export function createBuilderAction({
       await setup(platform, sdkVersion);
       const credentials = await prepareCredentials(cmd);
       const rawJob = {
-        ...await buildJobObject(platform, projectConfig, args, credentials, sdkVersion),
+        ...await buildJobObject(cmd, platform, projectConfig, args, credentials, sdkVersion),
         ...cmd.buildDir && { fakeUploadDir: ProjectUtils.resolveAbsoluteDir(cmd.buildDir) },
         ...cmd.output && { fakeUploadBuildPath: ProjectUtils.resolveAbsoluteDir(cmd.output) },
       };
@@ -113,6 +113,7 @@ function getExpoSDKVersionSafely(projectDir: string, projectConfig: ProjectConfi
 }
 
 const buildJobObject = async (
+  cmd: any,
   platform: 'android' | 'ios',
   projectConfig: ProjectConfig,
   { releaseChannel, buildType, buildMode, username, publicUrl, projectDir }: any,
@@ -125,11 +126,12 @@ const buildJobObject = async (
     config: {
       ...(projectConfig.exp?.[platform]?.config || {}),
       buildType,
-      ...(platform === 'android' ? { buildMode } : {}),
       releaseChannel,
-      ...(platform === 'ios' ? { bundleIdentifier: projectConfig.exp?.ios?.bundleIdentifier } : {}),
-      ...(platform === 'android' ? { androidPackage: projectConfig.exp?.android?.package } : {}),
       publicUrl,
+      ...(platform === 'android' && cmd.gradleArgs ? { gradleArgs: cmd.gradleArgs.split(' ') } : {}),
+      ...(platform === 'android' ? { buildMode } : {}),
+      ...(platform === 'android' ? { androidPackage: projectConfig.exp?.android?.package } : {}),
+      ...(platform === 'ios' ? { bundleIdentifier: projectConfig.exp?.ios?.bundleIdentifier } : {}),
     },
     id: uuid.v4(),
     platform,

src/builders/android.ts

@@ -1,6 +1,7 @@
 import path from 'path';
 
-import { AndroidShellApp, ImageUtils } from '@expo/xdl';
+import { AndroidShellApp, ImageUtils } from '../xdl';
+
 import fs from 'fs-extra';
 import _ from 'lodash';
 import { ANDROID_BUILD_TYPES } from 'turtle/constants';
@@ -34,8 +35,8 @@ export default async function buildAndroid(jobData: IJob): Promise<IJobResult> {
     ...config.builder.fakeUpload && {
       fakeUploadBuildPath:
         jobData.fakeUploadBuildPath
-        ? jobData.fakeUploadBuildPath
-        : path.join(jobData.fakeUploadDir || config.directories.fakeUploadDir, fakeUploadFilename),
+          ? jobData.fakeUploadBuildPath
+          : path.join(jobData.fakeUploadDir || config.directories.fakeUploadDir, fakeUploadFilename),
     },
   });
 
@@ -84,7 +85,7 @@ async function runShellAppBuilder(
   logger.info({ buildPhase: 'resolve native modules' }, 'Resolving universal modules dependencies');
   const packageJsonDependecies = _.get(manifest, 'dependencies');
   const enabledModules = _.get(manifest, 'android.enableDangerousExperimentalLeanBuilds')
-    ? await resolveNativeModules(workingDir, packageJsonDependecies)
+    ? await resolveNativeModules(workingDir, sdkVersion, packageJsonDependecies)
     : await resolveExplicitOptIn(workingDir, packageJsonDependecies);
 
   try {
@@ -103,6 +104,7 @@ async function runShellAppBuilder(
       modules: enabledModules,
       buildType: jobData.config.buildType,
       buildMode: jobData.config.buildMode,
+      gradleArgs: jobData.config.gradleArgs,
     });
   } catch (err) {
     commonUtils.logErrorOnce(err);

src/builders/ios/archive.ts

@@ -1,5 +1,5 @@
-import { IosIPABuilder as createIPABuilder } from '@expo/xdl';
 import _ from 'lodash';
+import { IosIPABuilder as createIPABuilder } from '../../xdl';
 
 import { IContext } from 'turtle/builders/ios/context';
 import { logErrorOnce } from 'turtle/builders/utils/common';

src/builders/ios/context.ts

@@ -1,7 +1,7 @@
 import * as path from 'path';
 
-import { ExponentTools, IosShellApp } from '@expo/xdl';
 import { v4 as uuidv4 } from 'uuid';
+import { ExponentTools, IosShellApp } from '../../xdl';
 
 import { formatShellAppDirectory } from 'turtle/builders/utils/ios/workingdir';
 import config from 'turtle/config';

src/builders/ios/index.ts

@@ -1,6 +1,7 @@
 import fs from 'fs-extra';
 import pick from 'lodash/pick';
 
+import spawnAsync from '@expo/spawn-async';
 import buildArchive from 'turtle/builders/ios/archive';
 import { createBuilderContext, IContext } from 'turtle/builders/ios/context';
 import buildSimulator from 'turtle/builders/ios/simulator';
@@ -51,6 +52,13 @@ async function initBuilder(ctx: IContext) {
     await fs.ensureDir(dir);
     await fs.chmod(dir, 0o755);
   }
+
+  if (config.builder.mode === 'online') {
+    await spawnAsync('sudo', ['xcrun', 'simctl', 'list']);
+  } else {
+    // sudo not needed for CLI builds
+    await spawnAsync('xcrun', ['simctl', 'list']);
+  }
 }
 
 async function cleanup(ctx: IContext) {

src/builders/utils/android/credentials.ts

@@ -5,11 +5,10 @@ import fs from 'fs-extra';
 import get from 'lodash/get';
 import uuidv4 from 'uuid/v4';
 
-import * as sqs from 'turtle/aws/sqs';
-import { UPDATE_CREDENTIALS } from 'turtle/constants/build';
 import { IAndroidCredentials, IJob } from 'turtle/job';
 import logger from 'turtle/logger';
 import { isOffline } from 'turtle/turtleContext';
+import { sendCredentialsUpdate } from 'turtle/utils/www';
 
 async function getOrCreateCredentials(jobData: IJob): Promise<IAndroidCredentials> {
   if (!jobData.credentials) {
@@ -50,9 +49,7 @@ async function getOrCreateCredentials(jobData: IJob): Promise<IAndroidCredential
       l.info(`Key password: ${credentials.keyPassword}`);
       l.info(`Please keep these credentials safe`);
     } else {
-      await sqs.sendMessage(jobData.id, UPDATE_CREDENTIALS, {
-        ...credentials,
-      });
+      await sendCredentialsUpdate(jobData.id, 'android', credentials);
       l.info('Keystore sent to storage successfully');
     }
     await fs.unlink(keystoreFilename);

src/builders/utils/android/workingdir.ts

@@ -1,6 +1,6 @@
 import path from 'path';
 
-import { ExponentTools } from '@expo/xdl';
+import { ExponentTools } from '../../../xdl';
 
 import { IShellAppDirectoryConfig } from 'turtle/builders/utils/workingdir';
 import config from 'turtle/config';

src/builders/utils/ios/adhocBuild.ts

@@ -1,15 +1,14 @@
 import path from 'path';
 
 import spawnAsync from '@expo/spawn-async';
-import { IosCodeSigning } from '@expo/xdl';
 import fs from 'fs-extra';
+import { IosCodeSigning } from '../../../xdl';
 
-import * as sqs from 'turtle/aws/sqs';
 import BuildError, { BuildErrorReason } from 'turtle/builders/BuildError';
-import { UPDATE_CREDENTIALS } from 'turtle/constants/build';
 import { IJob } from 'turtle/job';
 import logger from 'turtle/logger';
 import { isOffline } from 'turtle/turtleContext';
+import { sendCredentialsUpdate } from 'turtle/utils/www';
 
 // tslint:disable-next-line:no-var-requires
 const travelingFastlane = process.platform === 'darwin' ? require('@expo/traveling-fastlane-darwin')() : null;
@@ -64,7 +63,7 @@ async function prepareAdHocBuildCredentials(job: IJob) {
       await fs.writeFile(provisioningProfilePath, Buffer.from(credentials.provisioningProfile, 'base64'));
       logger.info(`Saved provisioning profile to ${provisioningProfilePath}`);
     } else {
-      await sqs.sendMessage(job.id, UPDATE_CREDENTIALS, {
+      await sendCredentialsUpdate(job.id, 'ios', {
         provisioningProfileId: credentials.provisioningProfileId,
         provisioningProfile: credentials.provisioningProfile,
       });

src/builders/utils/ios/keychain.ts

@@ -1,4 +1,4 @@
-import { IosKeychain } from '@expo/xdl';
+import { IosKeychain } from '../../../xdl';
 
 import { IContext } from 'turtle/builders/ios/context';
 import * as fileUtils from 'turtle/builders/utils/file';

src/builders/utils/ios/shellAppBuilder.ts

@@ -1,9 +1,9 @@
 import path from 'path';
 import util from 'util';
 
-import { ImageUtils, IosShellApp } from '@expo/xdl';
 import copy from 'copy';
 import _ from 'lodash';
+import { ImageUtils, IosShellApp } from '../../../xdl';
 
 import { IContext } from 'turtle/builders/ios/context';
 import * as commonUtils from 'turtle/builders/utils/common';

src/builders/utils/ios/workingdir.ts

@@ -1,6 +1,6 @@
 import path from 'path';
 
-import { ExponentTools } from '@expo/xdl';
+import { ExponentTools } from '../../../xdl';
 
 import { IShellAppDirectoryConfig } from 'turtle/builders/utils/workingdir';
 import config from 'turtle/config';

src/builders/utils/unimodules.ts

@@ -4,6 +4,7 @@ import keys from 'lodash/keys';
 import merge from 'lodash/merge';
 import values from 'lodash/values';
 import path from 'path';
+import semver from 'semver';
 import logger from 'turtle/logger';
 
 export interface IUnimoduleEntry {
@@ -19,21 +20,37 @@ interface IPackageInfo {
   dependencies: string[];
 }
 
-export async function resolveExplicitOptIn(workingdir: string, packages?: string[]): Promise<IUnimoduleEntry[]> {
+export async function resolveExplicitOptIn(
+  workingdir: string,
+  packages?: string[],
+): Promise<IUnimoduleEntry[]> {
   const resolver = new Resolver(workingdir);
   await resolver.init();
 
   const optionalModules = ['expo-branch'];
   resolver.addAll();
   const modules = packages
-    ? resolver.getModules().filter((mod) => !optionalModules.includes(mod.name) || packages.includes(mod.name))
-    : resolver.getModules().filter((mod) => !optionalModules.includes(mod.name));
+    ? resolver
+        .getModules()
+        .filter(
+          (mod) =>
+            !optionalModules.includes(mod.name) || packages.includes(mod.name),
+        )
+    : resolver
+        .getModules()
+        .filter((mod) => !optionalModules.includes(mod.name));
 
-  modules.forEach(({ name, version }) => { logger.info(`Adding ${name}:${version}`); });
+  modules.forEach(({ name, version }) => {
+    logger.info(`Adding ${name}:${version}`);
+  });
   return modules;
 }
 
-export async function resolveNativeModules(workingdir: string, packages?: string[]): Promise<IUnimoduleEntry[]> {
+export async function resolveNativeModules(
+  workingdir: string,
+  sdkVersion: string,
+  packages?: string[],
+): Promise<IUnimoduleEntry[]> {
   const resolver = new Resolver(workingdir);
   await resolver.init();
 
@@ -41,6 +58,13 @@ export async function resolveNativeModules(workingdir: string, packages?: string
     resolver.addAll();
   } else {
     const corePackages = await readCorePackages(workingdir);
+
+    // expo-notifications is required for shell apps in SDK >= 39
+    // https://github.com/expo/expo/issues/10569
+    if (semver.gte(sdkVersion, '39.0.0')) {
+      resolver.addModule('expo-notifications');
+    }
+
     for (const pkg of corePackages) {
       if (resolver.isUnimodule(pkg)) {
         resolver.addModule(pkg);
@@ -53,17 +77,36 @@ export async function resolveNativeModules(workingdir: string, packages?: string
     }
   }
   const modules = resolver.getModules();
-  modules.forEach(({ name, version }) => { logger.info(`Adding ${name}:${version}`); });
+  modules.forEach(({ name, version }) => {
+    logger.info(`Adding ${name}:${version}`);
+  });
   return modules;
 }
 
 async function readCorePackages(workingdir: string) {
-  const pkgJsonPath = path.join(workingdir, 'node_modules', 'react-native-unimodules', 'package.json');
-  const expoPkgJsonPath = path.join(workingdir, 'packages', 'expo', 'package.json');
-  if (await fs.pathExists(pkgJsonPath) && await fs.pathExists(expoPkgJsonPath)) {
+  const pkgJsonPath = path.join(
+    workingdir,
+    'node_modules',
+    'react-native-unimodules',
+    'package.json',
+  );
+  const expoPkgJsonPath = path.join(
+    workingdir,
+    'packages',
+    'expo',
+    'package.json',
+  );
+  if (
+    (await fs.pathExists(pkgJsonPath)) &&
+    (await fs.pathExists(expoPkgJsonPath))
+  ) {
     const packageJson = JSON.parse(await fs.readFile(pkgJsonPath, 'utf-8'));
-    const expoPackageJson = JSON.parse(await fs.readFile(expoPkgJsonPath, 'utf-8'));
-    return keys(packageJson.dependencies).concat(keys(expoPackageJson.dependencies));
+    const expoPackageJson = JSON.parse(
+      await fs.readFile(expoPkgJsonPath, 'utf-8'),
+    );
+    return keys(packageJson.dependencies).concat(
+      keys(expoPackageJson.dependencies),
+    );
   } else {
     logger.warn('No core packages detected');
     return [];
@@ -76,7 +119,7 @@ interface IDependencyInfo {
 
 class Resolver {
   private workingdir: string;
-  private modulesMap: {[key: string]: IUnimoduleEntry};
+  private modulesMap: { [key: string]: IUnimoduleEntry };
   private dependencyMap: IDependencyInfo;
 
   constructor(workingdir: string) {
@@ -108,7 +151,7 @@ class Resolver {
   }
 
   public getModules(): IUnimoduleEntry[] {
-     return values(this.modulesMap);
+    return values(this.modulesMap);
   }
 
   private async resolveModule(moduleName: string) {
@@ -127,7 +170,9 @@ class Resolver {
   }
 }
 
-async function generateDependenciesInfo(workingdir: string): Promise<IDependencyInfo> {
+async function generateDependenciesInfo(
+  workingdir: string,
+): Promise<IDependencyInfo> {
   const dir = await fs.readdir(path.join(workingdir, 'packages'));
   const map: IDependencyInfo = {};
 
@@ -140,7 +185,9 @@ async function generateDependenciesInfo(workingdir: string): Promise<IDependency
   }
 
   // handle @unimodules directory
-  const unimodulesDir = await fs.readdir(path.join(workingdir, 'packages', '@unimodules'));
+  const unimodulesDir = await fs.readdir(
+    path.join(workingdir, 'packages', '@unimodules'),
+  );
   for (const pkgName of unimodulesDir) {
     const pkg = await getPackage(workingdir, path.join('@unimodules', pkgName));
     if (pkg) {
@@ -155,19 +202,27 @@ async function generateDependenciesInfo(workingdir: string): Promise<IDependency
   return map;
 }
 
-async function getPackage(workingdir: string, pkgName: string): Promise<IPackageInfo | null> {
+async function getPackage(
+  workingdir: string,
+  pkgName: string,
+): Promise<IPackageInfo | null> {
   const pkgPath = path.join(workingdir, 'packages', pkgName);
   const isAndroid = await fs.pathExists(path.join(pkgPath, 'android'));
   const isIos = await fs.pathExists(path.join(pkgPath, 'ios'));
   const isUnimodule = await fs.pathExists(path.join(pkgPath, 'unimodule.json'));
-  const hasPackageJson = await fs.pathExists(path.join(pkgPath, 'package.json'));
+  const hasPackageJson = await fs.pathExists(
+    path.join(pkgPath, 'package.json'),
+  );
   if (!isUnimodule || !hasPackageJson || (!isAndroid && !isIos)) {
     return null;
   }
 
-  const packageJson = JSON.parse(await fs.readFile(path.join(pkgPath, 'package.json'), 'utf-8'));
+  const packageJson = JSON.parse(
+    await fs.readFile(path.join(pkgPath, 'package.json'), 'utf-8'),
+  );
 
-  const pkgDeps = merge({}, // reading everything to make sure
+  const pkgDeps = merge(
+    {}, // reading everything to make sure
     packageJson.dependencies,
     packageJson.peerDependencies,
     packageJson.unimodulePeerDependencies,

src/builders/utils/version.ts

@@ -1,6 +1,6 @@
-import { ExponentTools } from '@expo/xdl';
 import fs from 'fs-extra';
 import path from 'path';
+import { ExponentTools } from '../../xdl';
 
 import config from 'turtle/config';
 import { IJob } from 'turtle/job';

src/config.ts

@@ -29,7 +29,6 @@ export default {
         ios: env('AWS_SQS_IOS_PRIORITY_QUEUE_URL'),
         android: env('AWS_SQS_ANDROID_PRIORITY_QUEUE_URL'),
       },
-      out: env('AWS_SQS_OUT_QUEUE_URL'),
     },
   },
   cloudwatch: {
@@ -100,6 +99,10 @@ export default {
     ),
   },
   www: {
-    sdkVersionsSecretToken: env('TURTLE_SDK_VERSIONS_SECRET_TOKEN'),
+    secretToken: env('TURTLE_SDK_VERSIONS_SECRET_TOKEN'),
+  },
+  leader: {
+    redisKey: env('LEADER_REDIS_KEY', 'turtle-v1:leader'),
+    redisKeyTTLSec: envNum('LEADER_REDIS_KEY_TTL', 30),
   },
 };

src/job.ts

@@ -15,6 +15,7 @@ export interface IJob {
     // android
     androidPackage?: string;
     buildMode?: ANDROID_BUILD_MODES;
+    gradleArgs?: string[];
   };
   credentials: {
     // android

src/jobManager.ts

@@ -12,6 +12,7 @@ import * as buildStatusMetric from 'turtle/metrics/buildStatus';
 import { checkShouldExit, setCurrentJobId, turtleVersion } from 'turtle/turtleContext';
 import { getPriorities, labelConfiguration, TurtleMode } from 'turtle/utils/priorities';
 import * as redis from 'turtle/utils/redis';
+import { sendBuildStatusUpdate } from 'turtle/utils/www';
 import { sanitizeJob } from 'turtle/validator';
 
 function _maybeExit() {
@@ -73,7 +74,8 @@ async function processJob(jobData: any, turtleMode: TurtleMode) {
       logger.error({ err, ...rawJob && { buildJobId: rawJob.id } }, 'The build job is invalid');
       // send message only if we've managed to parse the job json
       if (rawJob) {
-        await sqs.sendMessage(rawJob.id, BUILD.JOB_STATES.ERRORED, {
+        await sendBuildStatusUpdate(rawJob.id, {
+          status: BUILD.JOB_STATES.ERRORED,
           turtleVersion,
           buildDuration: 0,
           reason: 'The build job is invalid',
@@ -128,7 +130,7 @@ async function processJob(jobData: any, turtleMode: TurtleMode) {
 function failAfterMaxJobTime(priority: string, receiptHandle: string, job: any) {
   return setTimeout(async () => {
     try {
-      sqs.sendMessage(job.id, BUILD.JOB_STATES.ERRORED, { turtleVersion });
+      sendBuildStatusUpdate(job.id, { status: BUILD.JOB_STATES.ERRORED, turtleVersion });
       await deleteMessage(priority, receiptHandle);
     } finally {
       logger.error('Build timed out. Going to terminate turtle agent.');
@@ -143,16 +145,28 @@ async function build(job: any, turtleMode: TurtleMode) {
   const s3Url = await logger.initForJob(job);
   const calculateBuildDuration = () => Math.ceil((Date.now() - startTimestamp) / 1000);
 
-  try {
-    await sqs.sendMessage(job.id, BUILD.JOB_STATES.IN_PROGRESS, {
-      logUrl: s3Url,
-      logFormat: 'json',
+  const commonPayload = {
+    logs: {
+      url: s3Url,
+      format: 'json',
+    },
+    extraData: {
       turtleMode,
+    },
+  };
+  try {
+    await sendBuildStatusUpdate(job.id, {
+      ...commonPayload,
+      status: BUILD.JOB_STATES.IN_PROGRESS,
     });
-    const result = await (builders as any)[job.platform](job);
+    const { artifactUrl } = await (builders as any)[job.platform](job);
     const buildDuration = calculateBuildDuration();
-    sqs.sendMessage(job.id, BUILD.JOB_STATES.FINISHED, {
-      ...result,
+    sendBuildStatusUpdate(job.id, {
+      ...commonPayload,
+      artifacts: {
+        url: artifactUrl,
+      },
+      status: BUILD.JOB_STATES.FINISHED,
       turtleVersion,
       buildDuration,
     });
@@ -164,7 +178,9 @@ async function build(job: any, turtleMode: TurtleMode) {
     if (err instanceof BuildError) {
       reason = err.reason;
     }
-    sqs.sendMessage(job.id, BUILD.JOB_STATES.ERRORED, {
+    sendBuildStatusUpdate(job.id, {
+      ...commonPayload,
+      status: BUILD.JOB_STATES.ERRORED,
       turtleVersion,
       buildDuration,
       ...reason && { reason },

src/jobsSchemas/android.ts

@@ -15,6 +15,7 @@ export default baseJobSchema.concat(
     config: Joi.object().keys({
       buildMode: Joi.string().valid(Object.values(ANDROID_BUILD_MODES)).default(ANDROID_BUILD_MODES.RELEASE),
       buildType: Joi.string().valid(Object.values(ANDROID_BUILD_TYPES)).default(ANDROID_BUILD_TYPES.APK),
+      gradleArgs: Joi.array().items(Joi.string()),
     }),
   }),
 );

src/server.ts

@@ -1,14 +1,25 @@
-import { LoggerDetach } from '@expo/xdl';
+import { LoggerDetach } from './xdl';
 
 import { findSupportedSdkVersions } from 'turtle/builders/utils/version';
 import config from 'turtle/config';
 import { doJob } from 'turtle/jobManager';
 import logger from 'turtle/logger';
 import setup from 'turtle/setup';
-import { checkShouldExit, setShouldExit, turtleVersion } from 'turtle/turtleContext';
-import { setSupportedSdkVersions, setTurtleVersion } from 'turtle/utils/versions';
+import {
+  checkShouldExit,
+  setShouldExit,
+  turtleVersion,
+} from 'turtle/turtleContext';
+import { synchronizeFailedUpdates } from 'turtle/updatesManager';
+import Leader, { LeaderEvent } from 'turtle/utils/leader';
+import {
+  setSupportedSdkVersions,
+  setTurtleVersion,
+} from 'turtle/utils/versions';
 
-process.on('unhandledRejection', (err) => logger.error({ err }, 'Unhandled promise rejection'));
+process.on('unhandledRejection', (err) =>
+  logger.error({ err }, 'Unhandled promise rejection'),
+);
 
 function handleExit() {
   if (checkShouldExit()) {
@@ -25,18 +36,23 @@ process.on('SIGINT', handleExit);
 
 async function main() {
   logger.info(
-    'Starting Turtle... '
-    + `NODE_ENV=${config.env}, PLATFORM=${config.platform}, DEPLOYMENT_ENVIRONMENT=${config.deploymentEnv}`,
+    'Starting Turtle... ' +
+      `NODE_ENV=${config.env}, PLATFORM=${config.platform}, DEPLOYMENT_ENVIRONMENT=${config.deploymentEnv}`,
   );
+  // @ts-ignore: Type mismatch
   LoggerDetach.configure(logger);
   if (setup[config.platform]) {
     await setup[config.platform]();
   }
 
+  await electLeaderAndSynchronize();
+
   try {
     await setTurtleVersion(turtleVersion);
     logger.info(`Registered Turtle version (${turtleVersion}) in www`);
-    const sdkVersions = (await findSupportedSdkVersions(config.platform)).map((version) => `${version}.0.0`);
+    const sdkVersions = (await findSupportedSdkVersions(config.platform)).map(
+      (version) => `${version}.0.0`,
+    );
     await setSupportedSdkVersions(config.platform, sdkVersions);
     logger.info(`Registered supported SDK versions (${sdkVersions}) in www`);
   } catch (err) {
@@ -52,6 +68,27 @@ async function main() {
   }
 }
 
+async function electLeaderAndSynchronize() {
+  if (config.env === 'test') {
+    return;
+  }
+  const l = new Leader({
+    key: config.leader.redisKey,
+    id: config.hostname,
+    ttl: config.leader.redisKeyTTLSec,
+  });
+  let intervalId: NodeJS.Timeout;
+  l.on(LeaderEvent.elected, async () => {
+    intervalId = await synchronizeFailedUpdates();
+  });
+  l.on(LeaderEvent.revoked, () => {
+    if (intervalId) {
+      clearInterval(intervalId);
+    }
+  });
+  await l.elect();
+}
+
 main()
   .then(() => logger.error('This should never happen...'))
   .catch((err) => logger.error({ err }, 'Something went terribly wrong'))

src/types/xcode.d.ts

@@ -0,0 +1,472 @@
+interface pbxFile {
+  basename: string;
+  lastKnownFileType?: string;
+  group?: string;
+  path?: string;
+  fileEncoding?: number;
+  defaultEncoding?: number;
+  sourceTree: string;
+  includeInIndex?: number;
+  explicitFileType?: unknown;
+  settings?: object;
+  uuid?: string;
+  fileRef: string;
+  target?: string;
+}
+
+declare module 'xcode' {
+  /**
+   * UUID that is a key to each fragment of PBXProject.
+   */
+  type UUID = string;
+
+  /**
+   * if has following format `${UUID}_comment`
+   */
+  type UUIDComment = string;
+
+  type XCObjectType =
+    | 'PBXBuildFile'
+    | 'PBXFileReference'
+    | 'PBXFrameworksBuildPhase'
+    | 'PBXGroup'
+    | 'PBXNativeTarget'
+    | 'PBXProject'
+    | 'PBXResourcesBuildPhase'
+    | 'PBXShellScriptBuildPhase'
+    | 'PBXSourcesBuildPhase'
+    | 'PBXVariantGroup'
+    | 'XCBuildConfiguration'
+    | 'XCConfigurationList';
+
+  type PBXFile = pbxFile;
+
+  interface PBXProject {
+    isa: 'PBXProject';
+    attributes: {
+      LastUpgradeCheck: number;
+      TargetAttributes: Record<
+        UUID,
+        {
+          CreatedOnToolsVersion?: string;
+          TestTargetID?: UUID;
+          LastSwiftMigration?: number;
+          ProvisioningStyle?: string;
+        } & Record<string, undefined | number | string>
+      >;
+    };
+    buildConfigurationList: UUID;
+    buildConfigurationList_comment: string;
+    compatibilityVersion: string;
+    developmentRegion: string;
+    hasScannedForEncodings: number;
+    knownRegions: string[];
+    mainGroup: UUID;
+    productRefGroup: UUID;
+    productRefGroup_comment: string;
+    projectDirPath: string;
+    projectRoot: string;
+    targets: Array<{
+      value: UUID;
+      comment: string;
+    }>;
+  }
+
+  interface PBXNativeTarget {
+    isa: 'PBXNativeTarget';
+    buildConfigurationList: UUID;
+    buildConfigurationList_comment: string;
+    buildPhases: Array<{
+      value: UUID;
+      comment: string;
+    }>;
+    buildRules: [];
+    dependencies: [];
+    name: string;
+    productName: string;
+    productReference: UUID;
+    productReference_comment: string;
+    productType: string;
+  }
+
+  interface PBXBuildFile {
+    isa: 'PBXBuildFile';
+    fileRef: UUID;
+    // "AppDelegate.m"
+    fileRef_comment: string;
+  }
+
+  interface XCConfigurationList {
+    isa: 'XCConfigurationList';
+    buildConfigurations: Array<{
+      value: UUID;
+      comment: string | 'Release' | 'Debug';
+    }>;
+    defaultConfigurationIsVisible: number;
+    defaultConfigurationName: string;
+  }
+
+  interface XCBuildConfiguration {
+    isa: 'XCBuildConfiguration';
+    baseConfigurationReference: UUID;
+    baseConfigurationReference_comment: string;
+    buildSettings: Record<string, string | undefined | number | Array<unknown>> & {
+      // '"$(TARGET_NAME)"',
+      PRODUCT_NAME?: string;
+      // '"io.expo.demo.$(PRODUCT_NAME:rfc1034identifier)"',
+      PRODUCT_BUNDLE_IDENTIFIER?: string;
+      PROVISIONING_PROFILE_SPECIFIER?: string;
+      // '"$(BUILT_PRODUCTS_DIR)/rni.app/rni"'
+      TEST_HOST?: any;
+      DEVELOPMENT_TEAM?: string;
+      CODE_SIGN_IDENTITY?: string;
+      CODE_SIGN_STYLE?: string;
+      // '"$(TEST_HOST)"'
+      BUNDLE_LOADER?: string;
+      GCC_PREPROCESSOR_DEFINITIONS?: Array<unknown>;
+      INFOPLIST_FILE?: string;
+      IPHONEOS_DEPLOYMENT_TARGET?: string;
+      LD_RUNPATH_SEARCH_PATHS?: string;
+      OTHER_LDFLAGS?: Array<unknown>;
+      ASSETCATALOG_COMPILER_APPICON_NAME?: string;
+      ASSETCATALOG_COMPILER_LAUNCHIMAGE_NAME?: string;
+      CLANG_ANALYZER_NONNULL?: string;
+      CLANG_WARN_DOCUMENTATION_COMMENTS?: string;
+      CLANG_WARN_INFINITE_RECURSION?: string;
+      CLANG_WARN_SUSPICIOUS_MOVE?: string;
+      DEBUG_INFORMATION_FORMAT?: string;
+      ENABLE_TESTABILITY?: string;
+      GCC_NO_COMMON_BLOCKS?: string;
+      // 'appletvos'
+      SDKROOT?: string;
+      TARGETED_DEVICE_FAMILY?: number | string;
+      // '10.0'
+      TVOS_DEPLOYMENT_TARGET?: string;
+    };
+    name: string;
+  }
+
+  type ProductType =
+    | 'com.apple.product-type.application'
+    | 'com.apple.product-type.app-extension'
+    | 'com.apple.product-type.bundle'
+    | 'com.apple.product-type.tool'
+    | 'com.apple.product-type.library.dynamic'
+    | 'com.apple.product-type.framework'
+    | 'com.apple.product-type.library.static'
+    | 'com.apple.product-type.bundle.unit-test'
+    | 'com.apple.product-type.application.watchapp'
+    | 'com.apple.product-type.application.watchapp2'
+    | 'com.apple.product-type.watchkit-extension'
+    | 'com.apple.product-type.watchkit2-extension';
+
+  interface PBXGroup {
+    isa: 'PBXGroup';
+    children: Array<{
+      value: UUID;
+      comment?: string;
+    }>;
+    name: string;
+    path?: string;
+    sourceTree: '"<group>"' | unknown;
+  }
+
+  export class XcodeProject {
+
+    /**
+     * `.pbxproj` file path.
+     */
+    public filepath: string;
+
+    // Ex: '$(TARGET_NAME)'
+    public productName: string;
+
+    public hash: {
+      headComment: string;
+      project: {
+        archiveVersion: number;
+        objectVersion: number;
+        objects: {
+          [T in XCObjectType]: Record<
+            string,
+            {
+              isa: T;
+              name: string;
+              [key: string]: any;
+            }
+          >;
+        };
+        rootObject: string;
+        rootObject_comment: string;
+      };
+    };
+    constructor(pbxprojPath: string);
+
+    // ------------------------------------------------------------------------
+    //
+    // `.pbxproj` related operation - starting & ending point.
+    //
+    // ------------------------------------------------------------------------
+
+    /**
+     * First step to be executed while working with `.pbxproj` file.
+     */
+    public parse(callback?: (err: Error | null, results?: string) => void): this;
+
+    public parseSync(): void;
+
+    /**
+     * @returns Content of .pbxproj file.
+     */
+    public writeSync(options?: { omitEmptyValues?: boolean }): string;
+
+    public allUuids(): UUID[];
+    public generateUuid(): UUID;
+
+    public addPluginFile(path: unknown, opt: unknown): unknown;
+    public removePluginFile(path: unknown, opt: unknown): unknown;
+    public addProductFile(targetPath: unknown, opt: unknown): unknown;
+    public removeProductFile(path: unknown, opt: unknown): unknown;
+    public addSourceFile(path: string, opt: unknown, group: string): unknown;
+    public removeSourceFile(path: string, opt: unknown, group: string): unknown;
+    public addHeaderFile(path: string, opt: unknown, group: string): unknown;
+    public removeHeaderFile(path: string, opt: unknown, group: string): unknown;
+    public addResourceFile(path: string, opt: unknown, group: string): unknown;
+    public removeResourceFile(path: string, opt: unknown, group: string): unknown;
+    public addFramework(fpath: unknown, opt: unknown): unknown;
+    public removeFramework(fpath: unknown, opt: unknown): unknown;
+    public addCopyfile(fpath: unknown, opt: unknown): unknown;
+    public pbxCopyfilesBuildPhaseObj(target: unknown): unknown;
+    public addToPbxCopyfilesBuildPhase(file: unknown): void;
+    public removeCopyfile(fpath: unknown, opt: unknown): unknown;
+    public removeFromPbxCopyfilesBuildPhase(file: unknown): void;
+    public addStaticLibrary(path: unknown, opt: unknown): unknown;
+    /**
+     * Adds to `PBXBuildFile` section
+     */
+    public addToPbxBuildFileSection(file: PBXFile): void;
+    public removeFromPbxBuildFileSection(file: unknown): void;
+    public addPbxGroup(
+      filePathsArray: string[],
+      name: string,
+      path: string,
+      sourceTree?: string,
+    ): { uuid: UUID; pbxGroup: PBXGroup };
+    public removePbxGroup(groupName: unknown): void;
+    public addToPbxProjectSection(target: unknown): void;
+    public addToPbxNativeTargetSection(target: unknown): void;
+    public addToPbxFileReferenceSection(file: any): void;
+    public removeFromPbxFileReferenceSection(file: unknown): unknown;
+    public addToXcVersionGroupSection(file: unknown): void;
+    public addToPluginsPbxGroup(file: unknown): void;
+    public removeFromPluginsPbxGroup(file: unknown): unknown;
+    public addToResourcesPbxGroup(file: unknown): void;
+    public removeFromResourcesPbxGroup(file: unknown): unknown;
+    public addToFrameworksPbxGroup(file: unknown): void;
+    public removeFromFrameworksPbxGroup(file: unknown): unknown;
+    public addToPbxEmbedFrameworksBuildPhase(file: unknown): void;
+    public removeFromPbxEmbedFrameworksBuildPhase(file: unknown): void;
+    public addToProductsPbxGroup(file: unknown): void;
+    public removeFromProductsPbxGroup(file: unknown): unknown;
+    public addToPbxSourcesBuildPhase(file: unknown): void;
+    public removeFromPbxSourcesBuildPhase(file: unknown): void;
+    /**
+     * Adds to PBXResourcesBuildPhase` section
+     * @param resourcesBuildPhaseSectionKey Because there's might more than one `Resources` build phase we need to ensure file is placed under correct one.
+     */
+    public addToPbxResourcesBuildPhase(file: PBXFile): void;
+    public removeFromPbxResourcesBuildPhase(file: unknown): void;
+    public addToPbxFrameworksBuildPhase(file: unknown): void;
+    public removeFromPbxFrameworksBuildPhase(file: unknown): void;
+    public addXCConfigurationList(
+      configurationObjectsArray: unknown,
+      defaultConfigurationName: unknown,
+      comment: unknown,
+    ): {
+      uuid: unknown;
+      xcConfigurationList: {
+        isa: string;
+        buildConfigurations: Array<unknown>;
+        defaultConfigurationIsVisible: number;
+        defaultConfigurationName: unknown;
+      };
+    };
+    public addTargetDependency(
+      target: unknown,
+      dependencyTargets: unknown,
+    ): {
+      uuid: unknown;
+      target: unknown;
+    };
+    public addBuildPhase(
+      filePathsArray: unknown,
+      buildPhaseType: unknown,
+      comment: unknown,
+      target: unknown,
+      optionsOrFolderType: unknown,
+      subfolderPath: unknown,
+    ): {
+      uuid: unknown;
+      buildPhase: {
+        isa: unknown;
+        buildActionMask: number;
+        files: Array<unknown>;
+        runOnlyForDeploymentPostprocessing: number;
+      };
+    };
+    /**
+     * Retrieves main part describing PBXProjects that are available in `.pbxproj` file.
+     */
+    public pbxProjectSection(): Record<UUID, PBXProject> & Record<UUIDComment, string>;
+    public pbxBuildFileSection(): Record<UUID, PBXBuildFile> & Record<UUIDComment, string>;
+    public pbxXCBuildConfigurationSection(): Record<UUID, XCBuildConfiguration> &
+      Record<UUIDComment, string>;
+    public pbxFileReferenceSection(): Record<UUID, PBXFile> & Record<UUIDComment, string>;
+    public pbxNativeTargetSection(): Record<UUID, PBXNativeTarget> & Record<UUIDComment, string>;
+    public xcVersionGroupSection(): unknown;
+    public pbxXCConfigurationList(): Record<UUID, XCConfigurationList> & Record<UUIDComment, string>;
+    public pbxGroupByName(name: string): PBXGroup | undefined;
+    /**
+     * @param targetName in most cases it's the name of the application
+     */
+    public pbxTargetByName(targetName: string): PBXNativeTarget | undefined;
+    public findTargetKey(name: string): string;
+    public pbxItemByComment(name: string, pbxSectionName: unknown): unknown;
+    public pbxSourcesBuildPhaseObj(target: unknown): unknown;
+    public pbxResourcesBuildPhaseObj(target: unknown): unknown;
+    public pbxFrameworksBuildPhaseObj(target: unknown): unknown;
+    public pbxEmbedFrameworksBuildPhaseObj(target: unknown): unknown;
+    public buildPhase(group: unknown, target: unknown): string;
+    public buildPhaseObject(name: string, group: unknown, target: unknown): unknown;
+    public addBuildProperty(prop: unknown, value: unknown, build_name: unknown): void;
+    public removeBuildProperty(prop: unknown, build_name: unknown): void;
+    public updateBuildProperty(prop: string, value: unknown, build: string): void;
+    public updateProductName(name: string): void;
+    public removeFromFrameworkSearchPaths(file: unknown): void;
+    public addToFrameworkSearchPaths(file: unknown): void;
+    public removeFromLibrarySearchPaths(file: unknown): void;
+    public addToLibrarySearchPaths(file: unknown): void;
+    public removeFromHeaderSearchPaths(file: unknown): void;
+    public addToHeaderSearchPaths(file: unknown): void;
+    public addToOtherLinkerFlags(flag: unknown): void;
+    public removeFromOtherLinkerFlags(flag: unknown): void;
+    public addToBuildSettings(buildSetting: unknown, value: unknown): void;
+    public removeFromBuildSettings(buildSetting: unknown): void;
+    /**
+     * Checks whether there is a file with given `filePath` in the project.
+     */
+    public hasFile(filePath: string): PBXFile | false;
+    public addTarget(
+      name: unknown,
+      type: unknown,
+      subfolder: unknown,
+    ): {
+      uuid: unknown;
+      pbxNativeTarget: {
+        isa: string;
+        name: string;
+        productName: string;
+        productReference: unknown;
+        productType: string;
+        buildConfigurationList: unknown;
+        buildPhases: Array<unknown>;
+        buildRules: Array<unknown>;
+        dependencies: Array<unknown>;
+      };
+    };
+    /**
+     * Get First PBXProject that can be found in `.pbxproj` file.
+     */
+    public getFirstProject(): { uuid: UUID; firstProject: PBXProject };
+    public getFirstTarget(): {
+      uuid: UUID;
+      firstTarget: unknown;
+    };
+    /**
+     * Retrieves PBXNativeTarget by the type
+     */
+    public getTarget(productType: ProductType): { uuid: UUID; target: PBXNativeTarget } | null;
+    public addToPbxGroupType(file: unknown, groupKey: unknown, groupType: unknown): void;
+    public addToPbxVariantGroup(file: unknown, groupKey: unknown): void;
+    public addToPbxGroup(file: PBXFile, groupKey: UUID): void;
+    public pbxCreateGroupWithType(name: unknown, pathName: unknown, groupType: unknown): unknown;
+    public pbxCreateVariantGroup(name: unknown): unknown;
+    public pbxCreateGroup(name: string, pathName: string): UUID;
+    public removeFromPbxGroupAndType(file: unknown, groupKey: unknown, groupType: unknown): void;
+    public removeFromPbxGroup(file: unknown, groupKey: unknown): void;
+    public removeFromPbxVariantGroup(file: unknown, groupKey: unknown): void;
+    public getPBXGroupByKeyAndType(key: unknown, groupType: unknown): unknown;
+    /**
+     * @param groupKey UUID.
+     */
+    public getPBXGroupByKey(groupKey: string): PBXGroup | undefined;
+    public getPBXVariantGroupByKey(key: unknown): unknown;
+    public findPBXGroupKeyAndType(criteria: unknown, groupType: unknown): string;
+    /**
+     * @param criteria Params that should be used to locate desired PBXGroup.
+     */
+    public findPBXGroupKey(criteria: { name?: string; path?: string }): UUID | undefined;
+    public findPBXVariantGroupKey(criteria: unknown): string;
+    public addLocalizationVariantGroup(
+      name: unknown,
+    ): {
+      uuid: unknown;
+      fileRef: unknown;
+      basename: unknown;
+    };
+    public addKnownRegion(name: string): void;
+    public removeKnownRegion(name: string): void;
+    public hasKnownRegion(name: string): boolean;
+    public getPBXObject(name: string): unknown;
+    /**
+     * - creates `PBXFile`
+     * - adds to `PBXFileReference` section
+     * - adds to `PBXGroup` or `PBXVariantGroup` if applicable
+     * @returns `null` if file is already in `pbxproj`.
+     */
+    public addFile(
+      path: string,
+      group?: string,
+      opt?: {
+        plugin?: string;
+        target?: string;
+        variantGroup?: string;
+        lastKnownFileType?: string;
+        defaultEncoding?: 4;
+        customFramework?: true;
+        explicitFileType?: number;
+        weak?: true;
+        compilerFLags?: string;
+        embed?: boolean;
+        sign?: boolean;
+      },
+    ): PBXFile | null;
+    public removeFile(path: unknown, group: unknown, opt: unknown): unknown;
+    public getBuildProperty(prop: unknown, build: unknown): unknown;
+    public getBuildConfigByName(name: unknown): object;
+    public addDataModelDocument(filePath: unknown, group: unknown, opt: unknown): unknown;
+    public addTargetAttribute(prop: unknown, value: unknown, target: unknown): void;
+    public removeTargetAttribute(prop: unknown, target: unknown): void;
+  }
+
+  export function project(projectPath: string): XcodeProject;
+}
+
+declare module 'xcode/lib/pbxFile' {
+  export default class PBXFile implements pbxFile {
+    public basename: string;
+    public lastKnownFileType?: string;
+    public group?: string;
+    public path?: string;
+    public fileEncoding?: number;
+    public defaultEncoding?: number;
+    public sourceTree: string;
+    public includeInIndex?: number;
+    public explicitFileType?: unknown;
+    public settings?: object;
+    public uuid?: string;
+    public fileRef: string;
+    public target?: string;
+    constructor(file: string);
+  }
+}

src/updatesManager.ts

@@ -0,0 +1,83 @@
+import Redis from 'ioredis';
+import chunk from 'lodash/chunk';
+
+import config from 'turtle/config';
+import { getRedisClient, RedisClient } from 'turtle/utils/redis';
+import { sendBuildStatusUpdate, sendCredentialsUpdate } from 'turtle/utils/www';
+
+const RETRY_COUNT = 5;
+
+type UpdateType = 'build' | 'credentials';
+interface IUpdate {
+  type: UpdateType;
+  buildId: string;
+  updateBody: any;
+  retried: number;
+}
+
+export async function saveUpdateFailure(buildId: string, type: UpdateType, updateBody: object): Promise<void> {
+  if (config.env === 'test') {
+    return;
+  }
+  const redis = await getRedisClient(RedisClient.Configuration) as Redis.Redis;
+  const update: IUpdate = {
+    type,
+    buildId,
+    updateBody,
+    retried: 0,
+  };
+  await redis.set(getFailedUpdateKey(buildId), JSON.stringify(update));
+}
+
+export async function synchronizeFailedUpdates(intervalMs = 3 * 60 * 1000): Promise<NodeJS.Timeout> {
+  try {
+    await _synchronizeFailedUpdates();
+  } catch (err) {
+    // don't do anything
+  }
+  return setInterval(() => _synchronizeFailedUpdates(), intervalMs);
+}
+
+async function _synchronizeFailedUpdates(): Promise<void> {
+  const redis = await getRedisClient(RedisClient.Configuration) as Redis.Redis;
+  const keys = await redis.keys(getFailedUpdateKey('*'));
+  const keyChunks = chunk(keys, 20);
+  for (const keyChunk of keyChunks) {
+    await Promise.all(keyChunk.map((key: string) => resendUpdateForKey(key)));
+  }
+}
+
+async function resendUpdateForKey(key: string): Promise<void> {
+  try {
+    const redis = await getRedisClient(RedisClient.Configuration) as Redis.Redis;
+    const updateRaw = await redis.get(key);
+    if (updateRaw) {
+      const update = JSON.parse(updateRaw) as IUpdate;
+      try {
+        await resendUpdateToWWW(update);
+        await redis.del(key);
+      } catch (err) {
+        update.retried += 1;
+        if (update.retried >= RETRY_COUNT) {
+          await redis.del(key);
+        } else {
+          await redis.set(key, JSON.stringify(update));
+        }
+      }
+    }
+  } catch (err) {
+    // don't do anything
+  }
+}
+
+async function resendUpdateToWWW(update: IUpdate): Promise<void> {
+  const { type, buildId, updateBody } = update;
+  if (type === 'build') {
+    await sendBuildStatusUpdate(buildId, updateBody);
+  } else if (type === 'credentials') {
+    const { platform, ...rest } = updateBody;
+    await sendCredentialsUpdate(buildId, platform, rest);
+  }
+}
+
+const getFailedUpdateKey = (buildId: string) => `${config.deploymentEnv}:failed-update:${buildId}`;

src/utils/leader.ts

@@ -0,0 +1,164 @@
+import { EventEmitter } from 'events';
+import Redis from 'ioredis';
+import { v4 as uuid } from 'uuid';
+
+import { getRedisClient, RedisClient } from 'turtle/utils/redis';
+
+interface ILeaderParams {
+  key: string;
+  id?: string;
+  ttl?: number;
+  wait?: number;
+}
+
+const RENEW_LEADER_SCRIPT = `
+  local leader_key = KEYS[1]
+  local leader_id = KEYS[2]
+  local leader_ttl = KEYS[3]
+
+  local current_leader
+
+  current_leader = redis.call("get", leader_key)
+  if (current_leader == leader_id) then
+    redis.call("pexpire", leader_key, leader_ttl)
+    return "ok"
+  else
+    return "you_are_not_the_leader"
+  end
+`;
+
+const STOP_BEING_LEADER_SCRIPT = `
+  local leader_key = KEYS[1]
+  local leader_id = KEYS[2]
+
+  local current_leader
+
+  current_leader = redis.call("get", leader_key)
+  if (current_leader == leader_id) then
+    redis.call("del", leader_key)
+    return "ok"
+  else
+    return "you_are_not_the_leader"
+  end
+`;
+
+interface IRedisCustom extends Redis.Redis {
+  renewLeader(key: string, id: string, ttl: number): Promise<string>;
+  stopBeingLeader(key: string, id: string): Promise<string>;
+}
+
+enum LeaderEvent {
+  elected = 'elected',
+  revoked = 'revoked',
+  error = 'error',
+}
+
+class Leader extends EventEmitter {
+  private key: string;
+  private id: string;
+  private ttl: number;
+  private wait: number;
+  private waitId?: NodeJS.Timeout;
+  private redisClientValue?: IRedisCustom;
+  private renewId?: NodeJS.Timeout;
+  private started = false;
+
+  constructor({ key, id, ttl = 30, wait = 1000 }: ILeaderParams) {
+    super();
+
+    this.key = key;
+    this.id = id || uuid();
+    this.ttl = ttl * 1000;
+    this.wait = wait;
+  }
+  public async elect(): Promise<void> {
+    if (!this.redisClientValue) {
+      await this.init();
+    }
+
+    if (!this.started) {
+      this.started = true;
+    }
+
+    try {
+      const res = await this.redisClient.set(this.key, this.id, 'PX', this.ttl, 'NX');
+      if (res === null) {
+        this.waitId = setTimeout(() => {
+          this.elect();
+        }, this.wait);
+      } else {
+        this.emit(LeaderEvent.elected);
+        this.renewId = setInterval(() => {
+          this.renew();
+        }, this.ttl / 2);
+      }
+    } catch (err) {
+      this.emit(LeaderEvent.error, err);
+    }
+  }
+
+  public async stop(): Promise<void> {
+    if (!this.started) {
+      throw new Error('You should start the election first!');
+    }
+    try {
+      const res = await this.redisClient.stopBeingLeader(this.key, this.id);
+      if (res === 'ok') {
+        this.emit(LeaderEvent.revoked);
+      }
+      if (this.renewId) {
+        clearInterval(this.renewId);
+      }
+      if (this.waitId) {
+        clearTimeout(this.waitId);
+      }
+      this.redisClientValue?.disconnect();
+      this.redisClientValue = undefined;
+    } catch (err) {
+      this.emit(LeaderEvent.error, err);
+    }
+  }
+
+  private get redisClient(): IRedisCustom {
+    if (!this.redisClientValue) {
+      throw new Error('Please run the init method first!');
+    }
+    return this.redisClientValue as IRedisCustom;
+  }
+
+  private async init(): Promise<void> {
+    if (this.redisClientValue) {
+      return;
+    }
+    this.redisClientValue = await getRedisClient(RedisClient.Configuration);
+    const redisClient = this.redisClient as IRedisCustom;
+    redisClient.defineCommand('renewLeader', {
+      numberOfKeys: 3,
+      lua: RENEW_LEADER_SCRIPT,
+    });
+    redisClient.defineCommand('stopBeingLeader', {
+      numberOfKeys: 2,
+      lua: STOP_BEING_LEADER_SCRIPT,
+    });
+  }
+
+  private async renew(): Promise<void> {
+    try {
+      const result = await this.redisClient.renewLeader(this.key, this.id, this.ttl);
+      if (result === 'you_are_not_the_leader') {
+        if (this.renewId) {
+          clearInterval(this.renewId);
+        }
+        this.waitId = setTimeout(() => {
+          this.elect();
+        }, this.wait);
+        this.emit(LeaderEvent.revoked);
+      }
+    } catch (err) {
+      this.emit(LeaderEvent.error, err);
+    }
+  }
+}
+
+export default Leader;
+export { LeaderEvent };

src/utils/versions.ts

@@ -10,7 +10,7 @@ async function setSupportedSdkVersions(platform: string, sdkVersions: string[])
     method: 'POST',
     uri: href,
     headers: {
-      'secret-token': config.www.sdkVersionsSecretToken,
+      'secret-token': config.www.secretToken,
     },
     body: {
       platform,
@@ -26,7 +26,7 @@ async function setTurtleVersion(version: string) {
     method: 'POST',
     uri: href,
     headers: {
-      'secret-token': config.www.sdkVersionsSecretToken,
+      'secret-token': config.www.secretToken,
     },
     body: {
       version,

src/utils/www.ts

@@ -0,0 +1,56 @@
+import { URL } from 'url';
+
+import request from 'request-promise';
+
+import config from 'turtle/config';
+import { saveUpdateFailure } from 'turtle/updatesManager';
+
+async function sendBuildStatusUpdate(buildId: string, updateParams: object) {
+  const { href } = new URL(`/--/api/v2/turtle-legacy-builds/${buildId}`, resolveWWWEndpoint());
+  try {
+    await request({
+      method: 'PUT',
+      uri: href,
+      headers: {
+        'secret-token': config.www.secretToken,
+      },
+      body: updateParams,
+      json: true,
+    });
+  } catch (err) {
+    await saveUpdateFailure(buildId, 'build', updateParams);
+  }
+}
+
+async function sendCredentialsUpdate(buildId: string, platform: 'android' | 'ios', updateParams: object) {
+  const { href } = new URL(`/--/api/v2/turtle-legacy-builds/${buildId}/credentials`, resolveWWWEndpoint());
+  try {
+    await request({
+      method: 'PUT',
+      uri: href,
+      headers: {
+        'secret-token': config.www.secretToken,
+      },
+      body: {
+        platform,
+        ...updateParams,
+      },
+      json: true,
+    });
+  } catch (err) {
+    await saveUpdateFailure(buildId, 'credentials', updateParams);
+  }
+}
+
+function resolveWWWEndpoint() {
+  const currentEnv = config.deploymentEnv;
+  if (currentEnv === 'production') {
+    return 'https://exp.host';
+  } else if (currentEnv === 'staging') {
+    return 'https://staging.exp.host';
+  } else {
+    return 'http://127.0.0.1:3000';
+  }
+}
+
+export { sendBuildStatusUpdate, sendCredentialsUpdate };

src/xdl/FsCache.ts

@@ -0,0 +1,143 @@
+import fs from 'fs-extra';
+import os from 'os';
+import path from 'path';
+
+/*
+A Cacher is used to wrap a fallible or expensive function and to memoize its results on disk
+in case it either fails or we don't need fresh results very often. It stores objects in JSON, and
+parses JSON from disk when returning an object.
+
+It's constructed with a "refresher" callback which will be called for the results, a filename to use
+for the cache, and an optional TTL and boostrap file. The TTL (in milliseconds) can be used to speed
+up slow calls from the cache (for example checking npm published versions can be very slow). The
+bootstrap file can be used to "seed" the cache with a particular value stored in a file.
+
+If there is a problem calling the refresher function or in performing the cache's disk I/O, errors
+will be stored in variables on the class. The only times Cacher will throw an exception are if it's
+not possible to create the cache directory (usually weird home directory permissions), or if getAsync()
+is called but no value can be provided. The latter will only occur if the refresher fails, no cache
+is available on disk (i.e. this is the first call or it has been recently cleared), and bootstrapping
+was not available (either a bootstrap file wasn't provided or reading/writing failed).
+
+See src/__tests__/tools/FsCache-test.js for usage examples.
+*/
+class Cacher<T> {
+  public refresher: () => Promise<T>;
+  public filename: string;
+  public bootstrapFile?: string;
+  public ttlMilliseconds: number;
+
+  public readError?: any;
+  public writeError?: any;
+
+  constructor(
+    refresher: () => Promise<T>,
+    filename: string,
+    ttlMilliseconds?: number,
+    bootstrapFile?: string,
+  ) {
+    this.refresher = refresher;
+    this.filename = path.join(getCacheDir(), filename);
+    this.ttlMilliseconds = ttlMilliseconds || 0;
+    this.bootstrapFile = bootstrapFile;
+  }
+
+  public async getAsync(): Promise<T> {
+    // Let user opt out of cache for debugging purposes
+    if (process.env.SKIP_CACHE) {
+      return await this.refresher();
+    }
+
+    let mtime: Date;
+    try {
+      const stats = await fs.stat(this.filename);
+      mtime = stats.mtime;
+    } catch (e) {
+      try {
+        await fs.mkdirp(getCacheDir());
+
+        if (this.bootstrapFile) {
+          const bootstrapContents = (
+            await fs.readFile(this.bootstrapFile)
+          ).toString();
+
+          await fs.writeFile(this.filename, bootstrapContents, 'utf8');
+        }
+      } catch (e) {
+        // intentional no-op
+      }
+      mtime = new Date(1989, 10, 19);
+    }
+
+    let fromCache: T | null = null;
+    let failedRefresh = null;
+
+    // if mtime + ttl >= now, attempt to fetch the value, otherwise read from disk
+    // alternatively, if ttlMilliseconds is 0 we also update every time, regardless of the times.
+    // this is a workaround for the issue described in https://github.com/expo/expo-cli/issues/1683
+    if (
+      this.ttlMilliseconds === 0 ||
+      new Date().getTime() - mtime.getTime() > this.ttlMilliseconds
+    ) {
+      try {
+        fromCache = await this.refresher();
+
+        try {
+          await fs.writeFile(this.filename, JSON.stringify(fromCache), 'utf8');
+        } catch (e) {
+          this.writeError = e;
+          // do nothing, if the refresh succeeded it'll be returned, if the persist failed we don't care
+        }
+      } catch (e) {
+        failedRefresh = e;
+      }
+    }
+
+    if (!fromCache) {
+      try {
+        fromCache = JSON.parse(await fs.readFile(this.filename, 'utf8'));
+      } catch (e) {
+        this.readError = e;
+        // if this fails then we've exhausted our options and it should remain null
+      }
+    }
+
+    if (fromCache) {
+      return fromCache;
+    } else {
+      if (failedRefresh) {
+        throw new Error(
+          `Unable to perform cache refresh for ${this.filename}: ${failedRefresh}`,
+        );
+      } else {
+        throw new Error(
+          `Unable to read ${this.filename}. ${this.readError || ''}`,
+        );
+      }
+    }
+  }
+
+  public async clearAsync(): Promise<void> {
+    try {
+      await fs.unlink(this.filename);
+    } catch (e) {
+      this.writeError = e;
+    }
+  }
+}
+
+function getCacheDir(): string {
+  const homeDir = os.homedir();
+  if (process.env.XDG_CACHE_HOME) {
+    return process.env.XDG_CACHE_HOME;
+  } else if (process.platform === 'win32') {
+    return path.join(homeDir, 'AppData', 'Local', 'Expo');
+  } else if (process.platform === 'darwin') {
+    // too many mac users have broken permissions on their ~/.cache directory
+    return path.join(homeDir, '.expo', 'cache');
+  } else {
+    return path.join(homeDir, '.cache', 'expo');
+  }
+}
+
+export { Cacher, getCacheDir };

src/xdl/ImageUtils.ts

@@ -0,0 +1,103 @@
+import fs from 'fs';
+import path from 'path';
+import probeImageSize from 'probe-image-size';
+
+import { spawnAsyncThrowError } from './detach/ExponentTools';
+import LoggerDetach from './detach/Logger';
+
+/**
+ * @param {string} projectDirname
+ * @param {string} basename
+ * @returns {} { width: number, height: number } image dimensions or null
+ */
+async function getImageDimensionsAsync(
+  projectDirname: string,
+  basename: string,
+): Promise<{ width?: number; height?: number } | null> {
+  return await customGetImageDimensionsAsync(projectDirname, basename).catch(
+    () => null,
+  );
+}
+
+async function customGetImageDimensionsWithImageProbeAsync(
+  projectDirname: string,
+  basename: string,
+): Promise<{ width: number; height: number }> {
+  const imagePath = path.resolve(projectDirname, basename);
+  const readStream = fs.createReadStream(imagePath);
+  const { width, height } = await probeImageSize(readStream);
+  readStream.destroy();
+  return { width, height };
+}
+
+let hasWarned = false;
+async function resizeImageAsync(
+  iconSizePx: number,
+  iconFilename: string,
+  destinationIconPath: string,
+) {
+  if (
+    process.platform !== 'darwin' &&
+    customResizeImageAsync === customResizeImageWithSipsAsync &&
+    !hasWarned
+  ) {
+    LoggerDetach.warn('`sips` utility may or may not work outside of macOS');
+    hasWarned = true;
+  }
+  return customResizeImageAsync(iconSizePx, iconFilename, destinationIconPath);
+}
+
+async function customResizeImageWithSipsAsync(
+  iconSizePx: number,
+  iconFilename: string,
+  destinationIconPath: string,
+) {
+  return spawnAsyncThrowError(
+    'sips',
+    ['-Z', iconSizePx.toFixed(), iconFilename],
+    {
+      stdio: ['ignore', 'ignore', 'inherit'], // only stderr
+      cwd: destinationIconPath,
+    },
+  );
+}
+
+// Allow us to swap out the default implementations of image functions
+let customResizeImageAsync = customResizeImageWithSipsAsync;
+let customGetImageDimensionsAsync: (
+  dirname: string,
+  filename: string,
+) => Promise<{
+  width?: number;
+  height?: number;
+} | null> = customGetImageDimensionsWithImageProbeAsync;
+
+// Allow users to provide an alternate implementation for our image resize function.
+// This is used internally in order to use sharp instead of sips in standalone builder.
+function setResizeImageFunction(
+  fn: (
+    iconSizePx: number,
+    iconFilename: string,
+    destinationIconPath: string,
+  ) => Promise<any>,
+) {
+  customResizeImageAsync = fn;
+}
+
+// Allow users to provide an alternate implementation for our image dimensions function.
+// This is used internally in order to use sharp instead of sips in standalone builder.
+function setGetImageDimensionsFunction(
+  fn: (
+    dirname: string,
+    filename: string,
+  ) => Promise<{ width?: number; height?: number } | null>,
+) {
+  customGetImageDimensionsAsync = fn;
+}
+
+export {
+  resizeImageAsync,
+  setResizeImageFunction,
+  setGetImageDimensionsFunction,
+  getImageDimensionsAsync,
+};

src/xdl/ModuleVersion.ts

@@ -0,0 +1,38 @@
+import latestVersionAsync from 'latest-version';
+import pTimeout from 'p-timeout';
+import npmPackageJson from 'package-json';
+import semver from 'semver';
+
+import { Cacher } from './FsCache';
+
+/** @deprecated just use the update-check npm package */
+function createModuleVersionChecker(name: string, currentVersion: string) {
+  const UpdateCacher = new Cacher(
+    async () => {
+      const pkgJson = await pTimeout(
+        npmPackageJson(name, { version: currentVersion }),
+        2000,
+      );
+      return {
+        latestVersion: await pTimeout(latestVersionAsync(name), 2000),
+        deprecated: pkgJson.deprecated,
+      };
+    },
+    `${name}-updates.json`,
+    24 * 60 * 60 * 1000, // one day
+  );
+
+  async function checkAsync() {
+    const { latestVersion, deprecated } = await UpdateCacher.getAsync();
+    return {
+      updateIsAvailable: semver.gt(latestVersion, currentVersion),
+      latest: latestVersion,
+      current: currentVersion,
+      deprecated,
+    };
+  }
+
+  return { checkAsync };
+}
+
+export { createModuleVersionChecker };

src/xdl/XDLError.ts

@@ -0,0 +1,24 @@
+export type ErrorCode = 'DIRECTORY_ALREADY_EXISTS' | 'INVALID_JSON';
+
+const ERROR_PREFIX = 'Error: ';
+
+export default class XDLError extends Error {
+  public readonly name = 'XDLError';
+
+  public code: string;
+  public isXDLError: true;
+
+  constructor(code: ErrorCode, message: string) {
+    super('');
+
+    // If e.toString() was called to get `message` we don't want it to look
+    // like "Error: Error:".
+    if (message.startsWith(ERROR_PREFIX)) {
+      message = message.substring(ERROR_PREFIX.length);
+    }
+
+    this.message = message;
+    this.code = code;
+    this.isXDLError = true;
+  }
+}

src/xdl/detach/AndroidIcons.ts

@@ -0,0 +1,275 @@
+import fs from 'fs-extra';
+import { sync as globSync } from 'glob';
+import path from 'path';
+import logger from 'turtle/logger';
+
+import { getImageDimensionsAsync, resizeImageAsync } from '../ImageUtils';
+import {
+  regexFileAsync,
+  saveImageToPathAsync,
+  saveUrlToPathAsync,
+  spawnAsyncThrowError,
+} from './ExponentTools';
+import {
+  AnyStandaloneContext,
+  IStandaloneContextDataUser,
+} from './StandaloneContext';
+
+const iconScales = {
+  mdpi: 1,
+  hdpi: 1.5,
+  xhdpi: 2,
+  xxhdpi: 3,
+  xxxhdpi: 4,
+};
+
+async function regexFileInResSubfoldersAsync(
+  oldText: string,
+  newText: string,
+  resDirPath: string,
+  folderPrefix: string,
+  folderSuffix: string,
+  fileName: string,
+) {
+  return Promise.all(
+    Object.keys(iconScales).map(async (key) => {
+      return regexFileAsync(
+        oldText,
+        newText,
+        path.join(resDirPath, `${folderPrefix}${key}${folderSuffix}`, fileName),
+      );
+    }),
+  );
+}
+
+let hasShownResizeErrorWindowsLinux = false;
+
+async function resizeIconsAsync(
+  context: AnyStandaloneContext,
+  resPath: string,
+  prefix: string,
+  mdpiSize: number,
+  filename: string,
+  url: string,
+  isDetached: boolean,
+) {
+  const baseImagePath = path.join(resPath, filename);
+
+  try {
+    if (isDetached) {
+      const data = context.data as IStandaloneContextDataUser;
+      await saveImageToPathAsync(data.projectPath, url, baseImagePath);
+    } else {
+      await saveUrlToPathAsync(url, baseImagePath);
+    }
+  } catch (e) {
+    throw new Error(`Failed to save icon file to disk. (${e})`);
+  }
+
+  await Promise.all(
+    Object.entries(iconScales).map(async ([folderSuffix, iconScale]) => {
+      // adaptive icons (mdpiSize 108) must be placed in a -v26 folder
+      const subdirectoryName = `${prefix}${folderSuffix}${
+        mdpiSize === 108 ? '-v26' : ''
+      }`;
+      const destinationPath = path.join(resPath, subdirectoryName);
+      await spawnAsyncThrowError('/bin/cp', [baseImagePath, filename], {
+        stdio: 'inherit',
+        cwd: destinationPath,
+      });
+
+      try {
+        await resizeImageAsync(mdpiSize * iconScale, filename, destinationPath);
+      } catch (e) {
+        // Turtle should be able to resize images, so if it fails we want it to throw.
+        // However, `sips` does not exist on Windows or Linux machines, so we expect
+        // resizing images to error on these OSes and want the detach process to continue anyway.
+        if (isDetached) {
+          if (!hasShownResizeErrorWindowsLinux) {
+            logger.warn(
+              'Failed to resize app icons. ' +
+                'Your full size icon will be copied to all android/app/src/main/res directories. ' +
+                'For best quality, we recommend providing downscaled versions.',
+            );
+            hasShownResizeErrorWindowsLinux = true;
+          }
+        } else {
+          throw new Error(`Failed to resize image: ${filename}. ${e}`);
+        }
+      }
+
+      // reject non-square icons
+      const dims = await getImageDimensionsAsync(destinationPath, filename);
+      if (!dims) {
+        // Again, only throw this error on Turtle -- we expect that this will fail
+        // for some detach users but we don't want this to stop the whole process.
+        if (!isDetached) {
+          throw new Error(`Unable to read the dimensions of ${filename}`);
+        }
+      } else if (dims.width !== dims.height) {
+        throw new Error(
+          `Android icons must be square, the dimensions of ${filename} are ${dims}`,
+        );
+      }
+    }),
+  );
+
+  await spawnAsyncThrowError('/bin/rm', [baseImagePath]);
+}
+
+async function createAndWriteIconsToPathAsync(
+  context: AnyStandaloneContext,
+  resPath: string,
+  isDetached: boolean,
+) {
+  const manifest = context.config; // manifest or app.json
+  let iconUrl =
+    manifest.android && manifest.android.iconUrl
+      ? manifest.android.iconUrl
+      : manifest.iconUrl;
+  let notificationIconUrl = manifest.notification
+    ? manifest.notification.iconUrl
+    : null;
+
+  if (isDetached) {
+    // manifest is actually just app.json in this case, so iconUrl fields don't exist
+    iconUrl =
+      manifest.android && manifest.android.icon
+        ? manifest.android.icon
+        : manifest.icon;
+    notificationIconUrl = manifest.notification
+      ? manifest.notification.icon
+      : null;
+  }
+
+  let iconBackgroundUrl;
+  let iconBackgroundColor;
+  let iconForegroundUrl;
+  if (manifest.android && manifest.android.adaptiveIcon) {
+    iconBackgroundColor = manifest.android.adaptiveIcon.backgroundColor;
+    if (isDetached) {
+      iconForegroundUrl = manifest.android.adaptiveIcon.foregroundImage;
+      iconBackgroundUrl = manifest.android.adaptiveIcon.backgroundImage;
+    } else {
+      iconForegroundUrl = manifest.android.adaptiveIcon.foregroundImageUrl;
+      iconBackgroundUrl = manifest.android.adaptiveIcon.backgroundImageUrl;
+    }
+  }
+
+  if (iconUrl || iconForegroundUrl) {
+    // Android 7 and below icon
+    if (iconUrl) {
+      globSync('**/ic_launcher.png', {
+        cwd: resPath,
+        absolute: true,
+      }).forEach((filePath) => {
+        fs.removeSync(filePath);
+      });
+
+      await resizeIconsAsync(
+        context,
+        resPath,
+        'mipmap-',
+        48,
+        'ic_launcher.png',
+        iconUrl,
+        isDetached,
+      );
+    }
+
+    // Adaptive icon foreground image
+    if (iconForegroundUrl) {
+      globSync('**/ic_foreground.png', {
+        cwd: resPath,
+        absolute: true,
+      }).forEach((filePath) => {
+        fs.removeSync(filePath);
+      });
+
+      await resizeIconsAsync(
+        context,
+        resPath,
+        'mipmap-',
+        108,
+        'ic_foreground.png',
+        iconForegroundUrl,
+        isDetached,
+      );
+    } else {
+      // the OS's default method of coercing normal app icons to adaptive
+      // makes them look quite different from using an actual adaptive icon (with xml)
+      // so we need to support falling back to the old version on Android 8
+      globSync('**/mipmap-*-v26/*', {
+        cwd: resPath,
+        absolute: true,
+        dot: true,
+      }).forEach((filePath) => {
+        fs.removeSync(filePath);
+      });
+
+      try {
+        globSync('**/mipmap-*-v26', {
+          cwd: resPath,
+          absolute: true,
+        }).forEach((filePath) => {
+          fs.rmdirSync(filePath);
+        });
+      } catch (e) {
+        // we don't want the entire detach script to fail if node
+        // can't remove the directories for whatever reason.
+        // people can remove the directories themselves if they need
+        // so just fail silently here
+      }
+    }
+  }
+
+  // Adaptive icon background image or color
+  if (iconBackgroundUrl) {
+    await resizeIconsAsync(
+      context,
+      resPath,
+      'mipmap-',
+      108,
+      'ic_background.png',
+      iconBackgroundUrl,
+      isDetached,
+    );
+
+    await regexFileInResSubfoldersAsync(
+      '@color/iconBackground',
+      '@mipmap/ic_background',
+      resPath,
+      'mipmap-',
+      '-v26',
+      'ic_launcher.xml',
+    );
+  } else if (iconBackgroundColor) {
+    await regexFileAsync(
+      '"iconBackground">#FFFFFF',
+      `"iconBackground">${iconBackgroundColor}`,
+      path.join(resPath, 'values', 'colors.xml'),
+    );
+  }
+
+  // Remove Expo client notification icon resources
+  globSync('**/shell_notification_icon.png', {
+    cwd: resPath,
+    absolute: true,
+  }).forEach((filePath) => {
+    fs.removeSync(filePath);
+  });
+
+  // Add provided notification icon resources, falling back
+  // to the app icon if no `notification.icon` is provided
+  await resizeIconsAsync(
+    context,
+    resPath,
+    'drawable-',
+    24,
+    'shell_notification_icon.png',
+    notificationIconUrl ?? iconUrl,
+    isDetached,
+  );
+}
+
+export { createAndWriteIconsToPathAsync };

src/xdl/detach/AndroidIntentFilters.ts

@@ -0,0 +1,42 @@
+export default function renderIntentFilters(intentFilters: any) {
+  // returns an array of <intent-filter> tags:
+  // [
+  //   `<intent-filter>
+  //     <data android:scheme="exp"/>
+  //     <data android:scheme="exps"/>
+  //
+  //     <action android:name="android.intent.action.VIEW"/>
+  //
+  //     <category android:name="android.intent.category.DEFAULT"/>
+  //     <category android:name="android.intent.category.BROWSABLE"/>
+  //   </intent-filter>`,
+  //   ...
+  // ]
+  return intentFilters.map((intentFilter: any) => {
+    const autoVerify = intentFilter.autoVerify ? ' android:autoVerify="true"' : '';
+
+    return `<intent-filter${autoVerify}>
+      ${renderIntentFilterData(intentFilter.data)}
+      <action android:name="android.intent.action.${intentFilter.action}"/>
+      ${renderIntentFilterCategory(intentFilter.category)}
+    </intent-filter>`;
+  });
+}
+
+function renderIntentFilterDatumEntries(datum: any) {
+  return Object.entries(datum)
+    .map((entry) => `android:${entry[0]}="${entry[1]}"`)
+    .join(' ');
+}
+
+function renderIntentFilterData(data: any) {
+  return (Array.isArray(data) ? data : [data])
+    .map((datum) => `<data ${renderIntentFilterDatumEntries(datum)}/>`)
+    .join('\n');
+}
+
+function renderIntentFilterCategory(category: any) {
+  return (Array.isArray(category) ? category : [category])
+    .map((cat) => `<category android:name="android.intent.category.${cat}"/>`)
+    .join('\n');
+}

src/xdl/detach/AssetBundle.ts

@@ -0,0 +1,76 @@
+import fs from 'fs-extra';
+import pMap from 'p-map';
+import pRetry from 'p-retry';
+import path from 'path';
+import logger from 'turtle/logger';
+import url from 'url';
+import urlJoin from 'url-join';
+
+import { saveUrlToPathAsync } from './ExponentTools';
+import { AnyStandaloneContext } from './StandaloneContext';
+
+const EXPO_DOMAINS = ['expo.io', 'exp.host', 'expo.test', 'localhost'];
+export const DEFAULT_CDN_HOST = 'https://d1wp6m56sqw74a.cloudfront.net';
+export const ASSETS_DIR_DEFAULT_URL = `${DEFAULT_CDN_HOST}/~assets`;
+
+type UrlResolver = (hash: string) => string;
+
+export async function bundleAsync(
+  context: any,
+  assets: string[],
+  dest: string,
+  exportUrl?: string | null,
+) {
+  if (!assets) {
+    return;
+  }
+
+  await fs.ensureDir(dest);
+
+  const urlResolver = createAssetsUrlResolver(context, exportUrl);
+  await pMap(assets, (asset) => downloadAssetAsync(urlResolver, dest, asset), {
+    concurrency: 5,
+  });
+}
+
+async function downloadAssetAsync(
+  urlResolver: UrlResolver,
+  dest: string,
+  asset: string,
+) {
+  const extensionIndex = asset.lastIndexOf('.');
+  const prefixLength = 'asset_'.length;
+  const hash =
+    extensionIndex >= 0
+      ? asset.substring(prefixLength, extensionIndex)
+      : asset.substring(prefixLength);
+  logger.info(urlResolver(hash));
+  await pRetry(
+    () => saveUrlToPathAsync(urlResolver(hash), path.join(dest, asset)),
+    { retries: 3 },
+  );
+}
+
+function createAssetsUrlResolver(
+  context: AnyStandaloneContext,
+  exportUrl?: string | null,
+): UrlResolver {
+  let assetsDirUrl = exportUrl ? `${exportUrl}/assets` : ASSETS_DIR_DEFAULT_URL;
+
+  if (context && context.published && context.published.url) {
+    const { assetUrlOverride = './assets' } = context.config;
+    const publishedUrl = context.published.url;
+    const { hostname } = url.parse(publishedUrl);
+    if (hostname == null) {
+      throw new Error(
+        `Could not resolve asset URLs relative to "${publishedUrl}". Published URL must be an absolute URL.`,
+      );
+    }
+    const maybeExpoDomain = hostname.split('.').slice(-2).join('.');
+    if (!EXPO_DOMAINS.includes(maybeExpoDomain)) {
+      assetsDirUrl = url.resolve(publishedUrl, assetUrlOverride);
+    }
+  }
+
+  return (hash) => urlJoin(assetsDirUrl, hash);
+}

src/xdl/detach/Detach.js

@@ -0,0 +1,565 @@
+// Set EXPO_VIEW_DIR to universe/exponent to test locally
+
+import { findConfigFile, getConfig } from '@expo/config';
+import JsonFile from '@expo/json-file';
+import spawnAsync from '@expo/spawn-async';
+import fs from 'fs-extra';
+import { sync as globSync } from 'glob';
+import isPlainObject from 'lodash/isPlainObject';
+import path from 'path';
+import process from 'process';
+import prompts from 'prompts';
+import rimraf from 'rimraf';
+import uuid from 'uuid';
+
+import { Versions, EmbeddedAssets, UrlUtils, UserManager, Api } from '@expo/xdl';
+
+import XDLError from '../XDLError';
+
+import * as AndroidShellApp from './AndroidShellApp';
+import * as AssetBundle from './AssetBundle';
+import { isDirectory, regexFileAsync, rimrafDontThrow } from './ExponentTools';
+import * as IosNSBundle from './IosNSBundle';
+import * as IosPlist from './IosPlist';
+import * as IosWorkspace from './IosWorkspace';
+import logger from './Logger';
+import StandaloneBuildFlags from './StandaloneBuildFlags';
+import StandaloneContext from './StandaloneContext';
+import installPackagesAsync from './installPackagesAsync';
+
+const SERVICE_CONTEXT_PROJECT_NAME = 'exponent-view-template';
+
+async function yesnoAsync(message) {
+  const { ok } = await prompts({
+    type: 'confirm',
+    name: 'ok',
+    initial: true,
+    message,
+  });
+  return ok;
+}
+
+export async function detachAsync(projectRoot, options = {}) {
+  const originalLogger = logger.loggerObj;
+  logger.configure({
+    trace: options.verbose ? console.trace.bind(console) : () => {},
+    debug: options.verbose ? console.debug.bind(console) : () => {},
+    info: options.verbose ? console.info.bind(console) : () => {},
+    warn: console.warn.bind(console),
+    error: console.error.bind(console),
+    fatal: console.error.bind(console),
+  });
+  try {
+    return await _detachAsync(projectRoot, options);
+  } finally {
+    logger.configure(originalLogger);
+  }
+}
+
+async function _detachAsync(projectRoot, options) {
+  const user = await UserManager.ensureLoggedInAsync();
+
+  if (!user) {
+    throw new Error('Internal error -- somehow detach is being run in offline mode.');
+  }
+
+  const username = user.username;
+  const { configName, configPath, configNamespace } = findConfigFile(projectRoot);
+  let { exp } = getConfig(projectRoot);
+  const experienceName = `@${username}/${exp.slug}`;
+  const experienceUrl = `exp://exp.host/${experienceName}`;
+
+  // Check to make sure project isn't fully detached already
+  const hasIosDirectory = isDirectory(path.join(projectRoot, 'ios'));
+  const hasAndroidDirectory = isDirectory(path.join(projectRoot, 'android'));
+
+  if (hasIosDirectory && hasAndroidDirectory) {
+    throw new XDLError(
+      'DIRECTORY_ALREADY_EXISTS',
+      'Error detaching. `ios` and `android` directories already exist.'
+    );
+  }
+
+  // Project was already detached on Windows or Linux
+  if (!hasIosDirectory && hasAndroidDirectory && process.platform === 'darwin') {
+    const response = await yesnoAsync(
+      `This will add an Xcode project and leave your existing Android project alone. Enter 'yes' to continue:`
+    );
+    if (!response) {
+      logger.info('Exiting...');
+      return false;
+    }
+  }
+
+  if (hasIosDirectory && !hasAndroidDirectory) {
+    throw new Error('`ios` directory already exists. Please remove it and try again.');
+  }
+
+  logger.info('Validating project manifest...');
+  if (!exp.name) {
+    throw new Error(`${configName} is missing \`name\``);
+  }
+
+  if (!exp.sdkVersion) {
+    throw new Error(`${configName} is missing \`sdkVersion\``);
+  }
+
+  if (!Versions.gteSdkVersion(exp, '25.0.0')) {
+    throw new Error(
+      `The app must be updated to SDK 25.0.0 or newer to be compatible with this tool.`
+    );
+  }
+
+  const versions = await Versions.versionsAsync();
+  let sdkVersionConfig = versions.sdkVersions[exp.sdkVersion];
+  if (
+    !sdkVersionConfig ||
+    (!sdkVersionConfig.androidExpoViewUrl && !sdkVersionConfig.iosExpoViewUrl)
+  ) {
+    if (process.env.EXPO_VIEW_DIR) {
+      logger.warn(
+        `Detaching is not supported for SDK ${exp.sdkVersion}; ignoring this because you provided EXPO_VIEW_DIR`
+      );
+      sdkVersionConfig = {};
+    } else {
+      throw new Error(`Detaching is not supported for SDK version ${exp.sdkVersion}`);
+    }
+  }
+
+  exp.isDetached = true;
+
+  if (!exp.detach) {
+    exp.detach = {};
+  }
+
+  const detachedUUID = uuid.v4().replace(/-/g, '');
+  const generatedScheme = `exp${detachedUUID}`;
+
+  if (!exp.detach.scheme && !Versions.gteSdkVersion(exp, '27.0.0')) {
+    // set this for legacy purposes
+    exp.detach.scheme = generatedScheme;
+  }
+
+  const linkingWarning = `You have not specified a custom scheme for deep linking. A default value of ${generatedScheme} will be used. You can change this later by following the instructions in this guide: https://docs.expo.io/workflow/linking/`;
+  if (!exp.scheme) {
+    logger.info(linkingWarning);
+    exp.scheme = generatedScheme;
+  } else if (Array.isArray(exp.scheme) && exp.scheme.length === 0) {
+    logger.info(linkingWarning);
+    exp.scheme.push(generatedScheme);
+  }
+
+  const expoDirectory = path.join(projectRoot, '.expo-source');
+  fs.mkdirpSync(expoDirectory);
+  const context = StandaloneContext.createUserContext(projectRoot, exp, experienceUrl);
+
+  // iOS
+  let isIosSupported = true;
+  if (process.platform !== 'darwin') {
+    if (options && options.force) {
+      logger.warn(
+        `You are not running macOS, but have provided the --force option, so we will attempt to generate an iOS project anyway. This might fail.`
+      );
+    } else {
+      logger.warn(`Skipping iOS because you are not running macOS.`);
+      isIosSupported = false;
+    }
+  }
+
+  if (!hasIosDirectory && isIosSupported && sdkVersionConfig.iosExpoViewUrl) {
+    if (!exp.ios) {
+      exp.ios = {};
+    }
+    if (!exp.ios.bundleIdentifier) {
+      logger.info(
+        `You'll need to specify an iOS bundle identifier. See: https://docs.expo.io/versions/latest/config/app/#ios`
+      );
+      const { iosBundleIdentifier } = await prompts({
+        type: 'text',
+        name: 'iosBundleIdentifier',
+        message: 'What would you like your iOS bundle identifier to be?',
+        validate: value => /^[a-zA-Z][a-zA-Z0-9\-.]+$/.test(value),
+      });
+      exp.ios.bundleIdentifier = iosBundleIdentifier;
+    }
+
+    await detachIOSAsync(context);
+    exp = IosWorkspace.addDetachedConfigToExp(exp, context);
+    exp.detach.iosExpoViewUrl = sdkVersionConfig.iosExpoViewUrl;
+  }
+
+  // Android
+  if (!hasAndroidDirectory && sdkVersionConfig.androidExpoViewUrl) {
+    if (!exp.android) {
+      exp.android = {};
+    }
+    if (!exp.android.package) {
+      logger.info(
+        `You'll need to specify an Android package name. See: https://docs.expo.io/versions/latest/config/app/#android`
+      );
+      const { androidPackage } = await prompts({
+        type: 'text',
+        name: 'androidPackage',
+        message: 'What would you like your Android package name to be?',
+        validate: value =>
+          /^[a-zA-Z][a-zA-Z0-9_]*(\.[a-zA-Z][a-zA-Z0-9_]*)+$/.test(value)
+            ? true
+            : "Invalid format of Android package name (only alphanumeric characters, '.' and '_' are allowed, and each '.' must be followed by a letter)",
+      });
+      exp.android.package = androidPackage;
+    }
+
+    const androidDirectory = path.join(expoDirectory, 'android');
+    rimraf.sync(androidDirectory);
+    fs.mkdirpSync(androidDirectory);
+    await detachAndroidAsync(context, sdkVersionConfig.androidExpoViewUrl);
+    exp = AndroidShellApp.addDetachedConfigToExp(exp, context);
+    exp.detach.androidExpoViewUrl = sdkVersionConfig.androidExpoViewUrl;
+  }
+
+  logger.info('Writing ExpoKit configuration...');
+  // if we're writing to app.json, we need to place the configuration under the expo key
+  const config = configNamespace ? { [configNamespace]: exp } : exp;
+  await fs.writeFile(configPath, JSON.stringify(config, null, 2));
+
+  const packagesToInstall = [];
+  const nodeModulesPath = exp.nodeModulesPath
+    ? path.resolve(projectRoot, exp.nodeModulesPath)
+    : projectRoot;
+
+  if (sdkVersionConfig && sdkVersionConfig.expoReactNativeTag) {
+    packagesToInstall.push(
+      `react-native@https://github.com/expo/react-native/archive/${sdkVersionConfig.expoReactNativeTag}.tar.gz`
+    );
+  } else if (process.env.EXPO_VIEW_DIR) {
+    // ignore, using test directory
+  } else {
+    throw new Error(`Expo's fork of react-native does not support this SDK version.`);
+  }
+
+  // Add expokitNpmPackage if it is supported. Was added before SDK 29.
+  if (process.env.EXPO_VIEW_DIR) {
+    logger.info(`Linking 'expokit' package...`);
+    await spawnAsync('yarn', ['link'], {
+      cwd: path.join(process.env.EXPO_VIEW_DIR, 'expokit-npm-package'),
+    });
+    await spawnAsync('yarn', ['link', 'expokit'], {
+      cwd: nodeModulesPath,
+    });
+  } else if (sdkVersionConfig.expokitNpmPackage) {
+    packagesToInstall.push(sdkVersionConfig.expokitNpmPackage);
+  }
+
+  if (sdkVersionConfig) {
+    const { packagesToInstallWhenEjecting } = sdkVersionConfig;
+    if (isPlainObject(packagesToInstallWhenEjecting)) {
+      Object.keys(packagesToInstallWhenEjecting).forEach(packageName => {
+        packagesToInstall.push(`${packageName}@${packagesToInstallWhenEjecting[packageName]}`);
+      });
+    }
+  }
+
+  if (packagesToInstall.length) {
+    await installPackagesAsync(projectRoot, packagesToInstall, {
+      packageManager: options.packageManager,
+    });
+  }
+  return true;
+}
+
+/**
+ *  Create a detached Expo iOS app pointing at the given project.
+ */
+async function detachIOSAsync(context) {
+  await IosWorkspace.createDetachedAsync(context);
+
+  logger.info('Configuring iOS project...');
+  await IosNSBundle.configureAsync(context);
+
+  logger.info(`iOS detach is complete!`);
+}
+
+async function detachAndroidAsync(context, expoViewUrl) {
+  if (context.type !== 'user') {
+    throw new Error(`detachAndroidAsync only supports user standalone contexts`);
+  }
+
+  logger.info('Moving Android project files...');
+  const androidProjectDirectory = path.join(context.data.projectPath, 'android');
+  let tmpExpoDirectory;
+  if (process.env.EXPO_VIEW_DIR) {
+    // Only for testing
+    await AndroidShellApp.copyInitialShellAppFilesAsync(
+      path.join(process.env.EXPO_VIEW_DIR, 'android'),
+      androidProjectDirectory,
+      true,
+      context.data.exp.sdkVersion
+    );
+  } else {
+    tmpExpoDirectory = path.join(context.data.projectPath, 'temp-android-directory');
+    fs.mkdirpSync(tmpExpoDirectory);
+    logger.info('Downloading Android code...');
+    await Api.downloadAsync(expoViewUrl, tmpExpoDirectory, { extract: true });
+    await AndroidShellApp.copyInitialShellAppFilesAsync(
+      tmpExpoDirectory,
+      androidProjectDirectory,
+      true,
+      context.data.exp.sdkVersion
+    );
+  }
+
+  logger.info('Updating Android app...');
+  await AndroidShellApp.runShellAppModificationsAsync(context, context.data.exp.sdkVersion);
+
+  // Clean up
+  logger.info('Cleaning up Android...');
+  if (!process.env.EXPO_VIEW_DIR) {
+    rimrafDontThrow(tmpExpoDirectory);
+  }
+  logger.info('Android detach is complete!\n');
+}
+
+async function ensureBuildConstantsExistsIOSAsync(configFilePath) {
+  // EXBuildConstants is included in newer ExpoKit projects.
+  // create it if it doesn't exist.
+  const doesBuildConstantsExist = fs.existsSync(
+    path.join(configFilePath, 'EXBuildConstants.plist')
+  );
+  if (!doesBuildConstantsExist) {
+    await IosPlist.createBlankAsync(configFilePath, 'EXBuildConstants');
+    logger.info('Created `EXBuildConstants.plist` because it did not exist yet');
+  }
+}
+
+async function _getIosExpoKitVersionThrowErrorAsync(iosProjectDirectory) {
+  let expoKitVersion = '';
+  const podfileLockPath = path.join(iosProjectDirectory, 'Podfile.lock');
+  try {
+    const podfileLock = await fs.readFile(podfileLockPath, 'utf8');
+    const expoKitVersionRegex = /ExpoKit\/Core\W?\(([0-9.]+)\)/gi;
+    const match = expoKitVersionRegex.exec(podfileLock);
+    expoKitVersion = match[1];
+  } catch (e) {
+    throw new Error(
+      `Unable to read ExpoKit version from Podfile.lock. Make sure your project depends on ExpoKit. (${e})`
+    );
+  }
+  return expoKitVersion;
+}
+
+async function readNullableConfigJsonAsync(projectDir) {
+  try {
+    return getConfig(projectDir);
+  } catch {
+    return null;
+  }
+}
+
+async function prepareDetachedBuildIosAsync(projectDir, args) {
+  const config = await readNullableConfigJsonAsync(projectDir);
+  if (config && config.exp.name !== SERVICE_CONTEXT_PROJECT_NAME) {
+    return prepareDetachedUserContextIosAsync(projectDir, config.exp, args);
+  } else {
+    return prepareDetachedServiceContextIosAsync(projectDir, args);
+  }
+}
+
+async function prepareDetachedServiceContextIosAsync(projectDir, args) {
+  // service context
+  // TODO: very brittle hack: the paths here are hard coded to match the single workspace
+  // path generated inside IosShellApp. When we support more than one path, this needs to
+  // be smarter.
+  const expoRootDir = path.join(projectDir, '..', '..');
+  const workspaceSourcePath = path.join(projectDir, 'ios');
+  const buildFlags = StandaloneBuildFlags.createIos('Release', { workspaceSourcePath });
+  const context = StandaloneContext.createServiceContext(
+    expoRootDir,
+    null,
+    null,
+    null,
+    /* testEnvironment */ 'none',
+    buildFlags,
+    null,
+    null
+  );
+  const { iosProjectDirectory, supportingDirectory } = IosWorkspace.getPaths(context);
+  const expoKitVersion = await _getIosExpoKitVersionThrowErrorAsync(iosProjectDirectory);
+
+  // use prod api keys if available
+  const prodApiKeys = await _readDefaultApiKeysAsync(
+    path.join(context.data.expoSourcePath, '__internal__', 'keys.json')
+  );
+
+  const { exp } = getConfig(expoRootDir, { skipSDKVersionRequirement: true });
+
+  await IosPlist.modifyAsync(supportingDirectory, 'EXBuildConstants', constantsConfig => {
+    // verify that we are actually in a service context and not a misconfigured project
+    const contextType = constantsConfig.STANDALONE_CONTEXT_TYPE;
+    if (contextType !== 'service') {
+      throw new Error(
+        'Unable to configure a project which has no app.json and also no STANDALONE_CONTEXT_TYPE.'
+      );
+    }
+    constantsConfig.EXPO_RUNTIME_VERSION = expoKitVersion;
+    constantsConfig.API_SERVER_ENDPOINT =
+      process.env.ENVIRONMENT === 'staging'
+        ? 'https://staging.exp.host/--/api/v2/'
+        : 'https://exp.host/--/api/v2/';
+    if (prodApiKeys) {
+      constantsConfig.DEFAULT_API_KEYS = prodApiKeys;
+    }
+    if (exp && exp.sdkVersion) {
+      constantsConfig.TEMPORARY_SDK_VERSION = exp.sdkVersion;
+    }
+    return constantsConfig;
+  });
+}
+
+async function _readDefaultApiKeysAsync(jsonFilePath) {
+  if (fs.existsSync(jsonFilePath)) {
+    const keys = {};
+    const allKeys = await new JsonFile(jsonFilePath).readAsync();
+    const validKeys = ['AMPLITUDE_KEY', 'GOOGLE_MAPS_IOS_API_KEY'];
+    for (const key in allKeys) {
+      if (allKeys.hasOwnProperty(key) && validKeys.includes(key)) {
+        keys[key] = allKeys[key];
+      }
+    }
+    return keys;
+  }
+  return null;
+}
+
+async function prepareDetachedUserContextIosAsync(projectDir, exp, args) {
+  const context = StandaloneContext.createUserContext(projectDir, exp);
+  const { iosProjectDirectory, supportingDirectory } = IosWorkspace.getPaths(context);
+
+  logger.info(`Preparing iOS build at ${iosProjectDirectory}...`);
+  // These files cause @providesModule naming collisions
+  // but are not available until after `pod install` has run.
+  const podsDirectory = path.join(iosProjectDirectory, 'Pods');
+  if (!isDirectory(podsDirectory)) {
+    throw new Error(`Can't find directory ${podsDirectory}, make sure you've run pod install.`);
+  }
+  const rnPodDirectory = path.join(podsDirectory, 'React');
+  if (isDirectory(rnPodDirectory)) {
+    const rnFilesToDelete = globSync('**/*.@(js|json)', {
+      absolute: true,
+      cwd: rnPodDirectory,
+    });
+    if (rnFilesToDelete) {
+      for (let i = 0; i < rnFilesToDelete.length; i++) {
+        await fs.unlink(rnFilesToDelete[i]);
+      }
+    }
+  }
+
+  // insert expo development url into iOS config
+  if (!args.skipXcodeConfig) {
+    // populate EXPO_RUNTIME_VERSION from ExpoKit pod version
+    const expoKitVersion = await _getIosExpoKitVersionThrowErrorAsync(iosProjectDirectory);
+
+    // populate development url
+    const devUrl = await UrlUtils.constructManifestUrlAsync(projectDir);
+
+    // populate default api keys
+    const defaultApiKeys = await _readDefaultApiKeysAsync(
+      path.join(podsDirectory, 'ExpoKit', 'template-files', 'keys.json')
+    );
+
+    await ensureBuildConstantsExistsIOSAsync(supportingDirectory);
+    await IosPlist.modifyAsync(supportingDirectory, 'EXBuildConstants', constantsConfig => {
+      constantsConfig.developmentUrl = devUrl;
+      constantsConfig.EXPO_RUNTIME_VERSION = expoKitVersion;
+      if (defaultApiKeys) {
+        constantsConfig.DEFAULT_API_KEYS = defaultApiKeys;
+      }
+      if (exp.sdkVersion) {
+        constantsConfig.TEMPORARY_SDK_VERSION = exp.sdkVersion;
+      }
+      return constantsConfig;
+    });
+  }
+}
+
+export async function prepareDetachedBuildAsync(projectDir, args) {
+  if (args.platform === 'ios') {
+    await prepareDetachedBuildIosAsync(projectDir, args);
+  } else {
+    const expoBuildConstantsMatches = globSync('android/**/DetachBuildConstants.java', {
+      absolute: true,
+      cwd: projectDir,
+    });
+    if (expoBuildConstantsMatches && expoBuildConstantsMatches.length) {
+      const expoBuildConstants = expoBuildConstantsMatches[0];
+      const devUrl = await UrlUtils.constructManifestUrlAsync(projectDir);
+      await regexFileAsync(
+        /DEVELOPMENT_URL = "[^"]*";/,
+        `DEVELOPMENT_URL = "${devUrl}";`,
+        expoBuildConstants
+      );
+    }
+  }
+}
+
+// args.dest: string,
+// This is the path where assets will be copied to. It should be
+// `$CONFIGURATION_BUILD_DIR/$UNLOCALIZED_RESOURCES_FOLDER_PATH` on iOS
+// (see `exponent-view-template.xcodeproj/project.pbxproj` for an example)
+// and `$buildDir/intermediates/assets/$targetPath` on Android (see
+// `android/app/expo.gradle` for an example).
+export async function bundleAssetsAsync(projectDir, args) {
+  const options = await readNullableConfigJsonAsync(projectDir);
+  if (!options || options.exp.name === SERVICE_CONTEXT_PROJECT_NAME) {
+    // Don't run assets bundling for the service context.
+    return;
+  }
+  const { exp } = options;
+  const bundledManifestPath = EmbeddedAssets.getEmbeddedManifestPath(
+    args.platform,
+    projectDir,
+    exp
+  );
+  if (!bundledManifestPath) {
+    logger.warn(
+      `Skipped assets bundling because the '${args.platform}.publishManifestPath' key is not specified in the app manifest.`
+    );
+    return;
+  }
+
+  let manifest;
+  try {
+    manifest = JSON.parse(await fs.readFile(bundledManifestPath, 'utf8'));
+  } catch (ex) {
+    throw new Error(
+      `Error reading the manifest file. Make sure the path '${bundledManifestPath}' is correct.\n\nError: ${ex.message}`
+    );
+  }
+  if (!manifest || !Object.keys(manifest).length) {
+    throw new Error(`The manifest at '${bundledManifestPath}' was empty or invalid.`);
+  }
+
+  await AssetBundle.bundleAsync(null, manifest.bundledAssets, args.dest, getExportUrl(manifest));
+}
+
+/**
+ * This function extracts the exported public URL that is set in the manifest
+ * when the developer runs `expo export --public-url x`. We use this to ensure
+ * that we fetch the resources from the appropriate place when doing builds
+ * against self-hosted apps.
+ */
+function getExportUrl(manifest) {
+  const { bundleUrl } = manifest;
+  if (bundleUrl.includes(AssetBundle.DEFAULT_CDN_HOST)) {
+    return null;
+  }
+
+  try {
+    const bundleUrlParts = bundleUrl.split('/');
+    return bundleUrlParts.slice(0, bundleUrlParts.length - 2).join('/');
+  } catch (e) {
+    throw Error(
+      `Expected bundleUrl to be of the format https://domain/bundles/bundle-hash-id, ${bundleUrl} does not follow this format.`
+    );
+  }
+}

src/xdl/detach/ExponentTools.ts

@@ -0,0 +1,297 @@
+import { ExpoConfig, Platform } from '@expo/config';
+import spawnAsyncQuiet, { SpawnOptions, SpawnResult } from '@expo/spawn-async';
+import axios from 'axios';
+import fs from 'fs-extra';
+import isObject from 'lodash/isObject';
+import path from 'path';
+import { Readable } from 'stream';
+
+import XDLError from '../XDLError';
+import LoggerDetach, { Logger, pipeOutputToLogger } from './Logger';
+
+function getManifestFileNameForSdkVersion(sdkVersion: string) {
+  if (parseSdkMajorVersion(sdkVersion) < 39) {
+    return 'shell-app-manifest.json';
+  } else {
+    return 'app.manifest';
+  }
+}
+
+function getBundleFileNameForSdkVersion(sdkVersion: string) {
+  if (parseSdkMajorVersion(sdkVersion) < 39) {
+    return 'shell-app.bundle';
+  } else {
+    return 'app.bundle';
+  }
+}
+
+function parseSdkMajorVersion(expSdkVersion: string) {
+  // We assume that the unversioned SDK is the latest
+  if (expSdkVersion === 'UNVERSIONED') {
+    return Infinity;
+  }
+
+  let sdkMajorVersion = 0;
+  try {
+    const versionComponents = expSdkVersion
+      .split('.')
+      .map((num) => parseInt(num, 10));
+    sdkMajorVersion = versionComponents[0];
+  } catch {
+    sdkMajorVersion = 0;
+  }
+  return sdkMajorVersion;
+}
+
+async function saveUrlToPathAsync(
+  url: string,
+  filePath: string,
+  timeout = 20000,
+) {
+  const response = await axios.get(url, { responseType: 'stream', timeout });
+
+  return new Promise((resolve, reject) => {
+    const stream = fs.createWriteStream(filePath);
+    stream.on('close', resolve);
+    stream.on('error', reject);
+    response.data.on('error', reject).pipe(stream);
+  });
+}
+
+async function saveImageToPathAsync(
+  projectRoot: string,
+  pathOrURL: string,
+  outPath: string,
+) {
+  const localPath = path.resolve(projectRoot, pathOrURL);
+
+  if (fs.existsSync(localPath)) {
+    await fs.copy(localPath, outPath);
+  } else {
+    await saveUrlToPathAsync(pathOrURL, outPath, 0);
+  }
+}
+
+async function getManifestAsync(url: string, headers: any, options: any = {}) {
+  const buildPhaseLogger =
+    options.logger ||
+    LoggerDetach.withFields({ buildPhase: 'reading manifest' });
+
+  let response;
+  try {
+    response = await _retryPromise(() =>
+      axios.get(url.replace('exp://', 'http://'), { headers }),
+    );
+  } catch (err) {
+    buildPhaseLogger.error(err);
+    throw new Error('Failed to fetch manifest from www');
+  }
+
+  buildPhaseLogger.info(
+    'Using manifest:',
+    JSON.stringify(response.data, null, 2),
+  );
+  return response.data;
+}
+
+async function _retryPromise<T>(
+  fn: (...args: any[]) => T,
+  retries = 5,
+): Promise<T> {
+  try {
+    return await fn();
+  } catch (err) {
+    if (retries-- > 0) {
+      return await _retryPromise(fn, retries);
+    } else {
+      throw err;
+    }
+  }
+}
+
+export type AsyncSpawnOptions = SpawnOptions & {
+  loggerFields?: any;
+  pipeToLogger?: boolean | { stdout?: boolean; stderr?: boolean };
+  stdoutOnly?: boolean;
+  loggerLineTransformer?: (line: any) => any;
+};
+
+async function spawnAsyncThrowError(
+  command: string,
+  args: string[],
+  options: AsyncSpawnOptions = {
+    stdio: 'inherit',
+    cwd: process.cwd(),
+  },
+): Promise<SpawnResult> {
+  const { pipeToLogger } = options;
+  if (pipeToLogger) {
+    options.stdio = 'pipe';
+    options.cwd = options.cwd || process.cwd();
+  }
+  const promise = spawnAsyncQuiet(command, args, options);
+  if (pipeToLogger && promise.child) {
+    const streams: { stdout?: Readable | null; stderr?: Readable | null } = {};
+    if (pipeToLogger === true || pipeToLogger.stdout) {
+      streams.stdout = promise.child.stdout;
+    }
+    if (pipeToLogger === true || pipeToLogger.stderr) {
+      streams.stderr = promise.child.stderr;
+    }
+    pipeOutputToLogger(streams, options.loggerFields, options);
+  }
+  return promise;
+}
+
+async function spawnAsync(
+  command: string,
+  args: string[],
+  options: SpawnOptions,
+): Promise<SpawnResult | void> {
+  try {
+    return await spawnAsyncThrowError(command, args, options);
+  } catch (e) {
+    LoggerDetach.error(e.message);
+  }
+}
+
+function createSpawner(buildPhase: string, logger?: Logger) {
+  return (command: string, ...args: any[]) => {
+    const lastArg = args[args.length - 1];
+    const optionsFromArg = isObject(lastArg) ? args.pop() : {};
+
+    const options = { ...optionsFromArg, pipeToLogger: true };
+    if (buildPhase) {
+      options.loggerFields = options.loggerFields ? options.loggerFields : {};
+      options.loggerFields = { ...options.loggerFields, buildPhase };
+    }
+
+    if (logger) {
+      logger.info('Executing command:', command, ...args);
+    }
+    return spawnAsyncThrowError(command, args, options);
+  };
+}
+
+async function transformFileContentsAsync(
+  filename: string,
+  transform: (input: string) => string | null,
+) {
+  const fileString = await fs.readFile(filename, 'utf8');
+  const newFileString = transform(fileString);
+  if (newFileString !== null) {
+    await fs.writeFile(filename, newFileString);
+  }
+}
+
+function manifestUsesSplashApi(manifest: ExpoConfig, platform: Platform) {
+  if (platform === 'ios') {
+    return manifest.splash || (manifest.ios && manifest.ios.splash);
+  }
+  if (platform === 'android') {
+    return manifest.splash || (manifest.android && manifest.android.splash);
+  }
+  return false;
+}
+
+function rimrafDontThrow(directory: string) {
+  fs.removeSync(directory);
+}
+
+async function removeIfExists(file: string) {
+  await fs.remove(file);
+}
+
+function isDirectory(dir: string) {
+  try {
+    if (fs.statSync(dir).isDirectory()) {
+      return true;
+    }
+
+    return false;
+  } catch (e) {
+    return false;
+  }
+}
+
+interface ILocaleMap {
+  [lang: string]: any;
+}
+
+async function getResolvedLocalesAsync(
+  projectRoot: string,
+  exp: ExpoConfig,
+): Promise<ILocaleMap> {
+  const locales: ILocaleMap = {};
+  if (exp.locales !== undefined) {
+    for (const [lang, localePath] of Object.entries(exp.locales)) {
+      const s = await fs.readFile(
+        path.resolve(projectRoot, localePath as string),
+        'utf8',
+      );
+      try {
+        locales[lang] = JSON.parse(s);
+      } catch (e) {
+        throw new XDLError('INVALID_JSON', JSON.stringify(e));
+      }
+    }
+  }
+  return locales;
+}
+
+async function regexFileAsync(
+  regex: RegExp | string,
+  replace: string,
+  filename: string,
+): Promise<void> {
+  const file = await fs.readFile(filename);
+  const fileString = file.toString();
+  await fs.writeFile(filename, fileString.replace(regex, replace));
+}
+
+// Matches sed /d behavior
+async function deleteLinesInFileAsync(
+  startRegex: RegExp | string,
+  endRegex: RegExp | string,
+  filename: string,
+): Promise<void> {
+  const file = await fs.readFile(filename);
+  const fileString = file.toString();
+  const lines = fileString.split(/\r?\n/);
+  const filteredLines = [];
+  let inDeleteRange = false;
+  for (const line of lines) {
+    if (line.match(startRegex)) {
+      inDeleteRange = true;
+    }
+
+    if (!inDeleteRange) {
+      filteredLines.push(line);
+    }
+
+    if (inDeleteRange && line.match(endRegex)) {
+      inDeleteRange = false;
+    }
+  }
+  await fs.writeFile(filename, filteredLines.join('\n'));
+}
+
+export {
+  isDirectory,
+  parseSdkMajorVersion,
+  saveUrlToPathAsync,
+  saveImageToPathAsync,
+  getManifestAsync,
+  rimrafDontThrow,
+  removeIfExists,
+  spawnAsyncThrowError,
+  spawnAsync,
+  transformFileContentsAsync,
+  manifestUsesSplashApi,
+  getResolvedLocalesAsync,
+  regexFileAsync,
+  deleteLinesInFileAsync,
+  createSpawner,
+  getManifestFileNameForSdkVersion,
+  getBundleFileNameForSdkVersion,
+};

src/xdl/detach/IosAssetArchive.ts

@@ -0,0 +1,71 @@
+import fs from 'fs-extra';
+import path from 'path';
+
+import { parseSdkMajorVersion, spawnAsyncThrowError } from './ExponentTools';
+import * as IosIcons from './IosIcons';
+import { AnyStandaloneContext, StandaloneContextService } from './StandaloneContext';
+
+/**
+ *  Compile a .car file from the icons in a manifest.
+ */
+async function buildAssetArchiveAsync(
+  context: AnyStandaloneContext,
+  destinationCARPath: string,
+  intermediatesDirectory: string,
+) {
+  if (!(context instanceof StandaloneContextService)) {
+    throw new Error('buildAssetArchive is only supported for service standalone contexts.');
+  }
+  const { data } = context;
+  fs.mkdirpSync(intermediatesDirectory);
+
+  // copy expoSourceRoot/.../Images.xcassets into intermediates
+  await spawnAsyncThrowError(
+    '/bin/cp',
+    [
+      '-R',
+      path.join(data.expoSourcePath, 'Exponent', 'Images.xcassets'),
+      path.join(intermediatesDirectory, 'Images.xcassets'),
+    ],
+    {
+      stdio: 'inherit',
+    },
+  );
+
+  // make the new xcassets contain the project's icon
+  await IosIcons.createAndWriteIconsToPathAsync(
+    context,
+    path.join(intermediatesDirectory, 'Images.xcassets', 'AppIcon.appiconset'),
+  );
+
+  const sdkMajorVersion = parseSdkMajorVersion(data.manifest.sdkVersion);
+  const deploymentTarget = sdkMajorVersion > 40 ? '11.0' : '10.0'; // SDK41 drops support for iOS 10.0
+
+  // compile asset archive
+  // prettier-ignore
+  const xcrunargs = [
+    'actool',
+    '--minimum-deployment-target', deploymentTarget,
+    '--platform', 'iphoneos',
+    '--app-icon', 'AppIcon',
+    '--output-partial-info-plist', 'assetcatalog_generated_info.plist',
+    '--compress-pngs',
+    '--enable-on-demand-resources', 'YES',
+    '--product-type', 'com.apple.product-type.application',
+    '--target-device', 'iphone',
+    '--target-device', 'ipad',
+    '--compile', path.relative(intermediatesDirectory, destinationCARPath),
+    'Images.xcassets',
+  ];
+  /*
+   *  Note: if you want to debug issues with `actool`, try changing to stdio: 'inherit'.
+   *  In both success and failure cases, actool will write an enormous .plist to stdout
+   *  which may contain the key `com.apple.actool.errors`. Great work Apple
+   */
+  await spawnAsyncThrowError('xcrun', xcrunargs, {
+    stdio: ['ignore', 'ignore', 'inherit'], // only stderr
+    cwd: intermediatesDirectory,
+  });
+}
+
+export { buildAssetArchiveAsync };

src/xdl/detach/IosCodeSigning.js

@@ -0,0 +1,343 @@
+import plist from '@expo/plist';
+import crypto from 'crypto';
+import fs from 'fs-extra';
+import { sync as globSync } from 'glob';
+import omit from 'lodash/omit';
+import minimatch from 'minimatch';
+import path from 'path';
+
+import { spawnAsyncThrowError } from './ExponentTools';
+import { findP12CertSerialNumber, getP12CertFingerprint } from './PKCS12Utils';
+
+async function ensureCertificateValid({ certPath, certPassword, teamID }) {
+  const certData = await fs.readFile(certPath);
+  const fingerprint = getP12CertFingerprint(certData, certPassword);
+  const identities = await _findIdentitiesByTeamID(teamID);
+  const isValid = identities.indexOf(fingerprint) !== -1;
+  if (!isValid) {
+    throw new Error(`codesign ident not present in find-identity: ${fingerprint}\n${identities}`);
+  }
+  return fingerprint;
+}
+
+async function _findIdentitiesByTeamID(teamID) {
+  const { output } = await spawnAsyncThrowError(
+    'security',
+    ['find-identity', '-v', '-s', `(${teamID})`],
+    {
+      stdio: 'pipe',
+    }
+  );
+  return output.join('');
+}
+
+function validateProvisioningProfile(plistData, { distCertFingerprint, bundleIdentifier }) {
+  _ensureDeveloperCertificateIsValid(plistData, distCertFingerprint);
+  _ensureBundleIdentifierIsValid(plistData, bundleIdentifier);
+}
+
+function _ensureDeveloperCertificateIsValid(plistData, distCertFingerprint) {
+  const devCertBase64 = plistData.DeveloperCertificates[0];
+  const devCertFingerprint = _genDerCertFingerprint(devCertBase64);
+  if (devCertFingerprint !== distCertFingerprint) {
+    throw new Error(
+      'validateProvisioningProfile: provisioning profile is not associated with uploaded distribution certificate'
+    );
+  }
+}
+
+function _genDerCertFingerprint(certBase64) {
+  const certBuffer = Buffer.from(certBase64, 'base64');
+  return crypto.createHash('sha1').update(certBuffer).digest('hex').toUpperCase();
+}
+
+function _ensureBundleIdentifierIsValid(plistData, expectedBundleIdentifier) {
+  const actualApplicationIdentifier = plistData.Entitlements['application-identifier'];
+  const actualBundleIdentifier = /\.(.+)/.exec(actualApplicationIdentifier)[1];
+
+  if (!minimatch(expectedBundleIdentifier, actualBundleIdentifier)) {
+    throw new Error(
+      `validateProvisioningProfile: wrong bundleIdentifier found in provisioning profile; expected: ${expectedBundleIdentifier}, found (in provisioning profile): ${actualBundleIdentifier}`
+    );
+  }
+}
+
+async function writeExportOptionsPlistFile(plistPath, data) {
+  const toWrite = createExportOptionsPlist(data);
+  await fs.writeFile(plistPath, toWrite);
+}
+
+const createExportOptionsPlist = ({
+  bundleIdentifier,
+  provisioningProfileUUID,
+  exportMethod,
+  teamID,
+}) => {
+  const disableBitcodeCompiling = `<key>uploadBitcode</key>
+    <false/>
+    <key>compileBitcode</key>
+    <false/>
+    <key>uploadSymbols</key>
+    <false/>`;
+  return `<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+  <dict>
+    <key>method</key>
+    <string>${exportMethod}</string>
+    <key>teamID</key>
+    <string>${teamID}</string>
+    <key>provisioningProfiles</key>
+    <dict>
+      <key>${bundleIdentifier}</key>
+      <string>${provisioningProfileUUID}</string>
+    </dict>
+    ${exportMethod === 'ad-hoc' || exportMethod === 'enterprise' ? disableBitcodeCompiling : ''}
+  </dict>
+</plist>`;
+};
+
+async function buildIPA(
+  {
+    ipaPath,
+    workspacePath,
+    archivePath,
+    codeSignIdentity,
+    exportOptionsPlistPath,
+    plistData,
+    keychainPath,
+    exportMethod,
+  },
+  credentials,
+  client = false
+) {
+  if (client) {
+    await spawnAsyncThrowError(
+      'xcodebuild',
+      [
+        '-exportArchive',
+        '-archivePath',
+        archivePath,
+        '-exportOptionsPlist',
+        exportOptionsPlistPath,
+        '-exportPath',
+        path.Dir(ipaPath),
+        `OTHER_CODE_SIGN_FLAGS="--keychain ${keychainPath}"`,
+      ],
+      {
+        env: { ...process.env, CI: 1 },
+      }
+    );
+  } else {
+    await runFastlane(
+      credentials,
+      [
+        'gym',
+        '-n',
+        path.basename(ipaPath),
+        '--workspace',
+        workspacePath,
+        '--archive_path',
+        archivePath,
+        '--skip_build_archive',
+        'true',
+        '-i',
+        codeSignIdentity,
+        '--export_options',
+        exportOptionsPlistPath,
+        '--export_method',
+        exportMethod,
+        '--export_xcargs',
+        `OTHER_CODE_SIGN_FLAGS="--keychain ${keychainPath}"`,
+        '-o',
+        path.dirname(ipaPath),
+        '--verbose',
+      ],
+      { buildPhase: 'building and signing IPA' }
+    );
+  }
+}
+
+const resolveExportMethod = plistData => {
+  if (plistData.ProvisionedDevices) {
+    return 'ad-hoc';
+  } else if (plistData.ProvisionsAllDevices === true) {
+    return 'enterprise';
+  } else {
+    return 'app-store';
+  }
+};
+
+const entitlementTransferRules = [
+  'com.apple.developer.associated-domains',
+  'com.apple.developer.healthkit',
+  'com.apple.developer.homekit',
+  'com.apple.developer.icloud-container-identifiers',
+  'com.apple.developer.icloud-services',
+  'com.apple.developer.in-app-payments',
+  'com.apple.developer.networking.vpn.api',
+  'com.apple.developer.ubiquity-container-identifiers',
+  'com.apple.developer.ubiquity-kvstore-identifier',
+  'com.apple.external-accessory.wireless-configuration',
+  'com.apple.security.application-groups',
+  'inter-app-audio',
+  'keychain-access-groups',
+];
+
+const blacklistedEntitlementKeysWithoutICloud = [
+  'com.apple.developer.icloud-container-environment',
+  'com.apple.developer.icloud-container-identifiers',
+  'com.apple.developer.icloud-services',
+  'com.apple.developer.ubiquity-container-identifiers',
+  'com.apple.developer.ubiquity-kvstore-identifier',
+];
+
+const blacklistedEntitlementKeys = [
+  'com.apple.developer.icloud-container-development-container-identifiers',
+  'com.apple.developer.restricted-resource-mode',
+  'inter-app-audio',
+  'com.apple.developer.homekit',
+  'com.apple.developer.healthkit',
+  'com.apple.developer.in-app-payments',
+  'com.apple.developer.maps',
+  'com.apple.external-accessory.wireless-configuration',
+];
+
+const icloudContainerEnvKey = 'com.apple.developer.icloud-container-environment';
+
+async function createEntitlementsFile({
+  generatedEntitlementsPath,
+  plistData,
+  archivePath,
+  manifest,
+}) {
+  const decodedProvisioningProfileEntitlements = plistData.Entitlements;
+
+  const entitlementsPaths = globSync('Products/Applications/*.app/*.entitlements', {
+    absolute: true,
+    cwd: archivePath,
+  });
+  if (entitlementsPaths.length === 0) {
+    throw new Error("Didn't find any generated entitlements file in archive.");
+  } else if (entitlementsPaths.length !== 1) {
+    throw new Error('Found more than one entitlements file.');
+  }
+  const archiveEntitlementsPath = entitlementsPaths[0];
+  const archiveEntitlementsRaw = await fs.readFile(archiveEntitlementsPath, 'utf8');
+  let archiveEntitlementsData;
+  try {
+    archiveEntitlementsData = plist.parse(archiveEntitlementsRaw);
+  } catch (error) {
+    throw new Error(`Error when parsing plist: ${error.message}`);
+  }
+
+  const entitlements = { ...decodedProvisioningProfileEntitlements };
+
+  entitlementTransferRules.forEach(rule => {
+    if (rule in archiveEntitlementsData) {
+      entitlements[rule] = archiveEntitlementsData[rule];
+    }
+  });
+
+  let generatedEntitlements = omit(entitlements, blacklistedEntitlementKeys);
+
+  if (!manifest.ios.usesIcloudStorage) {
+    generatedEntitlements = omit(generatedEntitlements, blacklistedEntitlementKeysWithoutICloud);
+  } else {
+    const ubiquityKvKey = 'com.apple.developer.ubiquity-kvstore-identifier';
+    if (generatedEntitlements[ubiquityKvKey]) {
+      const teamId = generatedEntitlements[ubiquityKvKey].split('.')[0];
+      generatedEntitlements[ubiquityKvKey] = `${teamId}.${manifest.ios.bundleIdentifier}`;
+    }
+    generatedEntitlements['com.apple.developer.icloud-services'] = ['CloudDocuments'];
+  }
+  if (!manifest.ios.associatedDomains) {
+    generatedEntitlements = omit(generatedEntitlements, 'com.apple.developer.associated-domains');
+  }
+  if (!manifest.ios.usesAppleSignIn) {
+    generatedEntitlements = omit(generatedEntitlements, 'com.apple.developer.applesignin');
+  }
+  if (generatedEntitlements[icloudContainerEnvKey]) {
+    const envs = generatedEntitlements[icloudContainerEnvKey].filter(i => i === 'Production');
+    generatedEntitlements[icloudContainerEnvKey] = envs;
+  }
+
+  const generatedEntitlementsPlistData = plist.build(generatedEntitlements);
+  await fs.writeFile(generatedEntitlementsPath, generatedEntitlementsPlistData, {
+    mode: 0o755,
+  });
+  const { output } = await spawnAsyncThrowError(
+    '/usr/libexec/PlistBuddy',
+    ['-x', '-c', 'Print', generatedEntitlementsPath],
+    {
+      stdio: 'pipe',
+    }
+  );
+  const plistDataReformatted = output.join('');
+  await fs.writeFile(generatedEntitlementsPath, plistDataReformatted, {
+    mode: 0o755,
+  });
+}
+
+async function resignIPA(
+  {
+    codeSignIdentity,
+    entitlementsPath,
+    provisioningProfilePath,
+    sourceIpaPath,
+    destIpaPath,
+    keychainPath,
+  },
+  credentials
+) {
+  await spawnAsyncThrowError('cp', ['-rf', sourceIpaPath, destIpaPath]);
+  await runFastlane(
+    credentials,
+    [
+      'sigh',
+      'resign',
+      '--verbose',
+      '--entitlements',
+      entitlementsPath,
+      '--signing_identity',
+      codeSignIdentity,
+      '--keychain_path',
+      keychainPath,
+      '--provisioning_profile',
+      provisioningProfilePath,
+      destIpaPath,
+    ],
+    { buildPhase: 'building and signing IPA' }
+  );
+}
+
+async function runFastlane({ teamID }, fastlaneArgs, loggerFields) {
+  const fastlaneEnvVars = {
+    FASTLANE_SKIP_UPDATE_CHECK: 1,
+    FASTLANE_DISABLE_COLORS: 1,
+    FASTLANE_TEAM_ID: teamID,
+    CI: 1,
+    LC_ALL: 'en_US.UTF-8',
+  };
+
+  await spawnAsyncThrowError('fastlane', fastlaneArgs, {
+    env: {
+      ...process.env,
+      ...fastlaneEnvVars,
+    },
+    pipeToLogger: true,
+    dontShowStdout: false,
+    loggerFields,
+  });
+}
+
+export {
+  ensureCertificateValid,
+  findP12CertSerialNumber,
+  validateProvisioningProfile,
+  writeExportOptionsPlistFile,
+  buildIPA,
+  resolveExportMethod,
+  createEntitlementsFile,
+  resignIPA,
+};

src/xdl/detach/IosIPABuilder.js

@@ -0,0 +1,140 @@
+import plist from '@expo/plist';
+import fs from 'fs-extra';
+import os from 'os';
+import path from 'path';
+
+import { spawnAsyncThrowError } from './ExponentTools';
+import * as IosCodeSigning from './IosCodeSigning';
+import _logger from './Logger';
+
+const logger = _logger.withFields({ buildPhase: 'building and signing IPA' });
+
+export default function createIPABuilder(buildParams) {
+  const { appUUID, keychainPath, bundleIdentifier, teamID, manifest, workspacePath } = buildParams;
+  const appDir = path.join('/private/tmp/turtle', appUUID);
+  const buildDir = path.join(appDir, 'build');
+  const provisionDir = path.join(appDir, 'provisioning');
+  const outputPath = path.join(appDir, 'archive.xcarchive');
+  const uploadPath = path.join(buildDir, 'archive.ipa');
+
+  async function build() {
+    const { provisioningProfilePath, clientBuild } = buildParams;
+
+    await copyProvisioningProfileToHomedir(provisioningProfilePath, appUUID);
+    logger.info('provisioning profile copied to home directory');
+
+    try {
+      const plistData = await readCMSMessage(provisioningProfilePath);
+      logger.info('done retrieving provisioning profile data');
+
+      logger.info('checking if teamID is present in keychain and that certificate is valid...');
+      const codeSignIdentity = await IosCodeSigning.ensureCertificateValid(buildParams);
+      logger.info('ensured certificate is valid');
+
+      logger.info('validating provisioning profile...');
+      IosCodeSigning.validateProvisioningProfile(plistData, {
+        distCertFingerprint: codeSignIdentity,
+        teamID,
+        bundleIdentifier,
+      });
+      logger.info('provisioning profile is valid');
+
+      logger.info('writing export-options.plist file...');
+      const exportMethod = IosCodeSigning.resolveExportMethod(plistData);
+      const exportOptionsPlistPath = path.join(provisionDir, 'export-options.plist');
+      const exportOptionsData = {
+        bundleIdentifier,
+        provisioningProfileUUID: plistData.UUID,
+        exportMethod,
+        teamID,
+      };
+      await IosCodeSigning.writeExportOptionsPlistFile(exportOptionsPlistPath, exportOptionsData);
+      logger.info('created export-options.plist file');
+
+      logger.info('generating IPA...');
+      const unsignedIpaPath = path.join(buildDir, `${appUUID}-unsigned.ipa`);
+      const ipaBuilderArgs = {
+        ipaPath: unsignedIpaPath,
+        workspacePath,
+        archivePath: outputPath,
+        codeSignIdentity,
+        exportOptionsPlistPath,
+        plistData,
+        keychainPath,
+        exportMethod,
+      };
+      await IosCodeSigning.buildIPA(ipaBuilderArgs, buildParams, clientBuild);
+      logger.info('generated IPA');
+
+      logger.info('creating entitlements file...');
+      const generatedEntitlementsPath = path.join(appDir, 'generatedEntitlements.entitlements');
+      await IosCodeSigning.createEntitlementsFile({
+        generatedEntitlementsPath,
+        plistData,
+        archivePath: outputPath,
+        manifest,
+      });
+      logger.info('created entitlements file');
+
+      logger.info('resigning IPA...');
+      await IosCodeSigning.resignIPA(
+        {
+          codeSignIdentity,
+          entitlementsPath: generatedEntitlementsPath,
+          provisioningProfilePath,
+          sourceIpaPath: unsignedIpaPath,
+          destIpaPath: uploadPath,
+          keychainPath,
+        },
+        buildParams
+      );
+      logger.info('resigned IPA');
+    } finally {
+      await removeProvisioningProfileFromHomedir(appUUID);
+      logger.info('removed provisioning profile from the home directory');
+    }
+  }
+
+  async function cleanup() {
+    try {
+      await fs.remove(getProvisioningProfilePath(appUUID));
+    } catch (err) {
+      logger.error('failed to perform cleanup, error:', err);
+    }
+  }
+
+  async function copyProvisioningProfileToHomedir(provisioningProfilePath, appUUID) {
+    await fs.mkdirp(getProvisioningProfileDirPath());
+    const newProvisioningProfilePath = getProvisioningProfilePath(appUUID);
+    await fs.copy(provisioningProfilePath, newProvisioningProfilePath);
+  }
+
+  async function removeProvisioningProfileFromHomedir(appUUID) {
+    const provisioningProfilePath = getProvisioningProfilePath(appUUID);
+    await fs.remove(provisioningProfilePath);
+  }
+
+  async function readCMSMessage(provisioningProfilePath) {
+    const { output } = await spawnAsyncThrowError(
+      'security',
+      ['cms', '-D', '-i', provisioningProfilePath],
+      {
+        stdio: 'pipe',
+      }
+    );
+    const plistRaw = output.join('');
+    try {
+      return plist.parse(plistRaw);
+    } catch (error) {
+      throw new Error(`Error when parsing plist: ${error.message}`);
+    }
+  }
+
+  const getProvisioningProfileDirPath = () =>
+    path.join(os.homedir(), 'Library/MobileDevice/Provisioning Profiles');
+
+  const getProvisioningProfilePath = appUUID =>
+    path.join(getProvisioningProfileDirPath(), `${appUUID}.mobileprovision`);
+
+  return { build, cleanup };
+}

src/xdl/detach/IosIcons.ts

@@ -0,0 +1,185 @@
+import path from 'path';
+
+import { getImageDimensionsAsync, resizeImageAsync } from '../ImageUtils';
+import {
+  saveImageToPathAsync,
+  saveUrlToPathAsync,
+  spawnAsyncThrowError,
+} from './ExponentTools';
+import logger from './Logger';
+import {
+  AnyStandaloneContext,
+  StandaloneContextService,
+  StandaloneContextUser,
+} from './StandaloneContext';
+
+function _getAppleIconQualifier(
+  iconSize: number,
+  iconResolution: number,
+): string {
+  let iconQualifier;
+  if (iconResolution !== 1) {
+    // e.g. "29x29@3x"
+    iconQualifier = `${iconSize}x${iconSize}@${iconResolution}x`;
+  } else {
+    iconQualifier = `${iconSize}x${iconSize}`;
+  }
+  if (iconSize === 76 || iconSize === 83.5) {
+    // ipad sizes require ~ipad at the end
+    iconQualifier = `${iconQualifier}~ipad`;
+  }
+  return iconQualifier;
+}
+
+async function _saveDefaultIconToPathAsync(
+  context: AnyStandaloneContext,
+  filePath: string,
+) {
+  if (context instanceof StandaloneContextUser) {
+    const { data } = context;
+    if (data.exp.icon) {
+      await saveImageToPathAsync(data.projectPath, data.exp.icon, filePath);
+    } else {
+      throw new Error('Cannot save icon because app.json has no exp.icon key.');
+    }
+  } else {
+    const { data } = context;
+    if (data.manifest.ios && data.manifest.ios.iconUrl) {
+      await saveUrlToPathAsync(data.manifest.ios.iconUrl, filePath);
+    } else if (data.manifest.iconUrl) {
+      await saveUrlToPathAsync(data.manifest.iconUrl, filePath);
+    } else {
+      throw new Error(
+        'Cannot save icon because manifest has no iconUrl or ios.iconUrl key.',
+      );
+    }
+  }
+}
+
+/**
+ * Based on keys in the given context.config,
+ * ensure that the proper iOS icon images exist -- assuming Info.plist already
+ * points at them under CFBundleIcons.CFBundlePrimaryIcon.CFBundleIconFiles.
+ *
+ * This only works on MacOS (as far as I know) because it uses the sips utility.
+ */
+async function createAndWriteIconsToPathAsync(
+  context: AnyStandaloneContext,
+  destinationIconPath: string,
+) {
+  let defaultIconFilename: string | null = 'exp-icon.png';
+  try {
+    await _saveDefaultIconToPathAsync(
+      context,
+      path.join(destinationIconPath, defaultIconFilename),
+    );
+  } catch (e) {
+    defaultIconFilename = null;
+    logger.warn(e.message);
+  }
+
+  const iconSizes = [1024, 20, 29, 40, 60, 76, 83.5];
+
+  await Promise.all(
+    iconSizes.map(async (iconSize) => {
+      let iconResolutions;
+      if (iconSize === 76) {
+        // iPad has 1x and 2x icons for this size only
+        iconResolutions = [1, 2];
+      } else if (iconSize === 1024) {
+        // marketing icon is weird
+        iconResolutions = [1];
+      } else if (iconSize === 83.5) {
+        iconResolutions = [2];
+      } else {
+        iconResolutions = [2, 3];
+      }
+
+      // We need to wait for all of these to finish!
+      await Promise.all(
+        iconResolutions.map(async (iconResolution) => {
+          const iconQualifier = _getAppleIconQualifier(
+            iconSize,
+            iconResolution,
+          );
+          const iconKey = `iconUrl${iconQualifier}`;
+          let rawIconFilename;
+          let usesDefault = false;
+          if (context instanceof StandaloneContextService) {
+            // TODO(nikki): Support local paths for these icons
+            const manifest = context.data.manifest;
+            if (manifest.ios && manifest.ios.hasOwnProperty(iconKey)) {
+              // manifest specifies an image just for this size/resolution, use that
+              rawIconFilename = `exp-icon${iconQualifier}.png`;
+              await saveUrlToPathAsync(
+                manifest.ios[iconKey],
+                `${destinationIconPath}/${rawIconFilename}`,
+              );
+            }
+          }
+          if (!rawIconFilename) {
+            // use default iconUrl
+            usesDefault = true;
+            if (defaultIconFilename) {
+              rawIconFilename = defaultIconFilename;
+            } else {
+              logger.warn(
+                `Project does not specify ios.${iconKey} nor a default iconUrl. Bundle will use the Expo logo.`,
+              );
+              return;
+            }
+          }
+
+          const iconFilename = `AppIcon${iconQualifier}.png`;
+          const iconSizePx = iconSize * iconResolution;
+          await spawnAsyncThrowError(
+            '/bin/cp',
+            [rawIconFilename, iconFilename],
+            {
+              stdio: 'inherit',
+              cwd: destinationIconPath,
+            },
+          );
+          try {
+            await resizeImageAsync(
+              iconSizePx,
+              iconFilename,
+              destinationIconPath,
+            );
+          } catch (e) {
+            throw new Error(`Failed to resize image: ${iconFilename}. (${e})`);
+          }
+
+          // reject non-square icons (because Apple will if we don't)
+          const dims = await getImageDimensionsAsync(
+            destinationIconPath,
+            iconFilename,
+          );
+          if (!dims) {
+            throw new Error(`Unable to read the dimensions of ${iconFilename}`);
+          } else if (dims.width !== dims.height) {
+            throw new Error(
+              `iOS icons must be square, the dimensions of ${iconFilename} are ${dims}`,
+            );
+          }
+
+          if (!usesDefault) {
+            // non-default icon used, clean up the downloaded version
+            await spawnAsyncThrowError('/bin/rm', [
+              path.join(destinationIconPath, rawIconFilename),
+            ]);
+          }
+        }),
+      );
+    }),
+  );
+
+  // clean up default icon
+  if (defaultIconFilename) {
+    await spawnAsyncThrowError('/bin/rm', [
+      path.join(destinationIconPath, defaultIconFilename),
+    ]);
+  }
+}
+
+export { createAndWriteIconsToPathAsync };

src/xdl/detach/IosKeychain.ts

@@ -0,0 +1,132 @@
+import fs from 'fs-extra';
+import difference from 'lodash/difference';
+import uuidv1 from 'uuid/v1';
+
+import { createSpawner, spawnAsyncThrowError } from './ExponentTools';
+import _logger from './Logger';
+
+export async function createKeychain(appUUID: string, saveResultToFile = true) {
+  const BUILD_PHASE = 'creating keychain';
+  const logger = _logger.withFields({ buildPhase: BUILD_PHASE });
+  const spawn = createSpawner(BUILD_PHASE, logger);
+
+  const name = uuidv1();
+  const password = uuidv1();
+  const path = getKeychainPath(name);
+
+  logger.info('creating new keychain...');
+  await runFastlane([
+    'run',
+    'create_keychain',
+    `path:${path}`,
+    `password:${password}`,
+    'unlock:true',
+    'timeout:360000',
+  ]);
+  await spawn('security', 'show-keychain-info', path, { stdoutOnly: true });
+
+  logger.info('created new keychain');
+  const keychainInfo = {
+    name,
+    path,
+    password,
+  };
+
+  if (saveResultToFile) {
+    const keychainInfoPath = getKeychainInfoPath(appUUID);
+    await fs.writeFile(keychainInfoPath, JSON.stringify(keychainInfo));
+    logger.info('saved keychain info to %s', keychainInfoPath);
+  }
+
+  return keychainInfo;
+}
+
+export async function deleteKeychain({ path, appUUID }: { path: string; appUUID?: string }) {
+  const BUILD_PHASE = 'deleting keychain';
+  const logger = _logger.withFields({ buildPhase: BUILD_PHASE });
+
+  logger.info('deleting keychain...');
+  await runFastlane(['run', 'delete_keychain', `keychain_path:${path}`]);
+
+  if (appUUID) {
+    const keychainInfoPath = getKeychainInfoPath(appUUID);
+    await fs.remove(keychainInfoPath);
+  }
+}
+
+export async function importIntoKeychain({
+  keychainPath,
+  certPath,
+  certPassword,
+}: {
+  keychainPath: string;
+  certPath: string;
+  certPassword?: string;
+}) {
+  const BUILD_PHASE = 'importing certificate into keychain';
+  const logger = _logger.withFields({ buildPhase: BUILD_PHASE });
+  const spawn = createSpawner(BUILD_PHASE);
+
+  logger.info('importing certificate into keychain...');
+  const args = ['import', certPath, '-A', '-k', keychainPath, '-f', 'pkcs12'];
+  if (certPassword) {
+    logger.info('certificate has password');
+    args.push('-P', certPassword);
+  } else {
+    logger.info('certificate doesn\'t have password');
+  }
+  await spawn('security', ...args);
+  logger.info('imported certificate into keychain');
+}
+
+export async function cleanUpKeychains() {
+  try {
+    _logger.info('Cleaning up keychains...');
+    const { stdout: keychainsListRaw } = await spawnAsyncThrowError(
+      'security',
+      ['list-keychains'],
+      { stdio: 'pipe' },
+    );
+    const allKeychainsList = (keychainsListRaw.match(/"(.*)"/g) || []).map((i) =>
+      i.slice(1, i.length - 1),
+    );
+    const turtleKeychainsList = keychainsListRaw.match(/\/private\/tmp\/xdl\/(.*).keychain/g);
+    let shouldCleanSearchList = false;
+    if (turtleKeychainsList) {
+      for (const keychainPath of turtleKeychainsList) {
+        try {
+          await deleteKeychain({ path: keychainPath });
+        } catch (err) {
+          _logger.warn(`Failed to delete keychain: ${keychainPath}`, err);
+          shouldCleanSearchList = true;
+        }
+      }
+
+      if (shouldCleanSearchList) {
+        const newSearchList = difference(allKeychainsList, turtleKeychainsList);
+        await spawnAsyncThrowError('security', ['list-keychains', '-s', ...newSearchList], {
+          stdio: 'pipe',
+        });
+      }
+    }
+    _logger.info('Cleaned up keychains');
+  } catch (err) {
+    _logger.error(err);
+    throw new Error('Failed to clean up keychains');
+  }
+}
+
+async function runFastlane(fastlaneArgs: string[]) {
+  const fastlaneEnvVars = {
+    FASTLANE_DISABLE_COLORS: '1',
+    FASTLANE_SKIP_UPDATE_CHECK: '1',
+    CI: '1',
+    LC_ALL: 'en_US.UTF-8',
+  };
+  await spawnAsyncThrowError('fastlane', fastlaneArgs, {
+    env: { ...process.env, ...fastlaneEnvVars },
+  });
+}
+
+const getKeychainPath = (name: string) => `/private/tmp/xdl/${name}.keychain`;
+const getKeychainInfoPath = (appUUID: string) => `/private/tmp/${appUUID}-keychain-info.json`;

src/xdl/detach/IosLaunchScreen.js

@@ -0,0 +1,251 @@
+import fs from 'fs-extra';
+import path from 'path';
+import rimraf from 'rimraf';
+import { DOMParser, XMLSerializer } from 'xmldom';
+
+import {
+  manifestUsesSplashApi,
+  saveImageToPathAsync,
+  saveUrlToPathAsync,
+  spawnAsyncThrowError,
+  transformFileContentsAsync,
+} from './ExponentTools';
+import * as IosWorkspace from './IosWorkspace';
+import _logger from './Logger';
+
+const logger = _logger.withFields({ buildPhase: 'configuring NSBundle' });
+
+const ASPECT_FILL = 'scaleAspectFill';
+const ASPECT_FIT = 'scaleAspectFit';
+
+const backgroundImageViewID = 'Bsh-cT-K4l';
+const backgroundViewID = 'OfY-5Y-tS4';
+
+function _backgroundColorFromHexString(hexColor) {
+  const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hexColor);
+  if (!result || result.length < 4) {
+    // Default to white if we can't parse the color. We should have 3 matches.
+    logger.warn('Unable to parse color: ', hexColor, ' result:', result);
+    return { r: 1, g: 1, b: 1 };
+  }
+
+  const r = parseInt(result[1], 16) / 255;
+  const g = parseInt(result[2], 16) / 255;
+  const b = parseInt(result[3], 16) / 255;
+  return { r, g, b };
+}
+
+function _setBackgroundColor(manifest, dom) {
+  let backgroundColorString;
+  if (manifest.ios && manifest.ios.splash && manifest.ios.splash.backgroundColor) {
+    backgroundColorString = manifest.ios.splash.backgroundColor;
+  } else if (manifest.splash && manifest.splash.backgroundColor) {
+    backgroundColorString = manifest.splash.backgroundColor;
+  }
+
+  // Default to white
+  if (!backgroundColorString) {
+    backgroundColorString = '#FFFFFF';
+  }
+
+  const { r, g, b } = _backgroundColorFromHexString(backgroundColorString);
+  const backgroundViewNode = dom.getElementById(backgroundViewID);
+  const backgroundViewColorNodes = backgroundViewNode.getElementsByTagName('color');
+  let backgroundColorNode;
+  for (let i = 0; i < backgroundViewColorNodes.length; i++) {
+    const node = backgroundViewColorNodes[i];
+    if (node.parentNode.getAttribute('id') !== backgroundViewID) {
+      continue;
+    }
+
+    if (node.getAttribute('key') === 'backgroundColor') {
+      backgroundColorNode = node;
+      break;
+    }
+  }
+
+  if (backgroundColorNode) {
+    backgroundColorNode.setAttribute('red', r);
+    backgroundColorNode.setAttribute('green', g);
+    backgroundColorNode.setAttribute('blue', b);
+  }
+}
+
+async function _saveImageAssetsAsync(context) {
+  let tabletImagePathOrUrl, phoneImagePathOrUrl;
+
+  if (context.type === 'user') {
+    // copy images from local project
+    const exp = context.data.exp;
+    if (exp.ios && exp.ios.splash && exp.ios.splash.image) {
+      phoneImagePathOrUrl = exp.ios.splash.image;
+
+      if (exp.ios.splash.tabletImage) {
+        tabletImagePathOrUrl = exp.ios.splash.tabletImage;
+      }
+    } else if (exp.splash && exp.splash.image) {
+      phoneImagePathOrUrl = exp.splash.image;
+    }
+  } else {
+    // use uploaded assets from published project
+    const manifest = context.data.manifest;
+    if (manifest.ios && manifest.ios.splash && manifest.ios.splash.imageUrl) {
+      phoneImagePathOrUrl = manifest.ios.splash.imageUrl;
+
+      if (manifest.ios.splash.tabletImageUrl) {
+        tabletImagePathOrUrl = manifest.ios.splash.tabletImageUrl;
+      }
+    } else if (manifest.splash && manifest.splash.imageUrl) {
+      phoneImagePathOrUrl = manifest.splash.imageUrl;
+    }
+  }
+
+  if (!phoneImagePathOrUrl) {
+    return;
+  }
+
+  const outputs = [];
+  if (!tabletImagePathOrUrl) {
+    outputs.push({
+      pathOrUrl: phoneImagePathOrUrl,
+      filename: 'launch_background_image.png',
+    });
+  } else {
+    outputs.push({
+      pathOrUrl: phoneImagePathOrUrl,
+      filename: 'launch_background_image~iphone.png',
+    });
+    outputs.push({
+      pathOrUrl: tabletImagePathOrUrl,
+      filename: 'launch_background_image.png',
+    });
+  }
+
+  const { supportingDirectory } = IosWorkspace.getPaths(context);
+  const projectRoot = context.type === 'user' ? context.data.projectPath : supportingDirectory;
+  outputs.forEach(async output => {
+    const { pathOrUrl, filename } = output;
+    const destinationPath = path.join(supportingDirectory, filename);
+    await saveImageToPathAsync(projectRoot, pathOrUrl, destinationPath);
+  });
+}
+
+function _setBackgroundImageResizeMode(manifest, dom) {
+  const backgroundViewMode = (() => {
+    let mode;
+    if (!manifest) {
+      return ASPECT_FIT;
+    }
+
+    if (manifest.ios && manifest.ios.splash && manifest.ios.splash.resizeMode) {
+      mode = manifest.ios.splash.resizeMode;
+    } else if (manifest.splash && manifest.splash.resizeMode) {
+      mode = manifest.splash.resizeMode;
+    }
+
+    return mode === 'cover' ? ASPECT_FILL : ASPECT_FIT;
+  })();
+
+  const backgroundImageViewNode = dom.getElementById(backgroundImageViewID);
+  if (backgroundImageViewNode) {
+    backgroundImageViewNode.setAttribute('contentMode', backgroundViewMode);
+  }
+}
+
+async function _copyIntermediateLaunchScreenAsync(context, launchScreenPath) {
+  let splashTemplateFilename;
+  if (context.type === 'user') {
+    const { supportingDirectory } = IosWorkspace.getPaths(context);
+    splashTemplateFilename = path.join(supportingDirectory, 'LaunchScreen.xib');
+  } else {
+    // TODO: after shell apps use detached workspaces,
+    // we can just do this with the workspace's copy instead of referencing expoSourcePath.
+    const expoTemplatePath = path.join(
+      context.data.expoSourcePath,
+      '..',
+      'exponent-view-template',
+      'ios'
+    );
+    splashTemplateFilename = path.join(
+      expoTemplatePath,
+      'exponent-view-template',
+      'Supporting',
+      'LaunchScreen.xib'
+    );
+  }
+  await spawnAsyncThrowError('/bin/cp', [splashTemplateFilename, launchScreenPath], {
+    stdio: 'inherit',
+  });
+}
+
+async function configureLaunchAssetsAsync(context, intermediatesDirectory) {
+  logger.info('Configuring iOS Launch Screen...');
+
+  fs.mkdirpSync(intermediatesDirectory);
+  const { supportingDirectory } = IosWorkspace.getPaths(context);
+  const config = context.config;
+
+  const splashIntermediateFilename = path.join(intermediatesDirectory, 'LaunchScreen.xib');
+
+  let xibFile = null;
+  if (context.type === 'user') {
+    xibFile =
+      context.data.exp.ios && context.data.exp.ios.splash && context.data.exp.ios.splash.xib;
+  } else {
+    xibFile =
+      context.data.manifest.ios &&
+      context.data.manifest.ios.splash &&
+      context.data.manifest.ios.splash.xibUrl;
+  }
+  if (xibFile) {
+    if (context.type === 'user') {
+      const sourcePath = path.resolve(context.data.projectPath, xibFile);
+      await spawnAsyncThrowError('/bin/cp', [sourcePath, splashIntermediateFilename], {
+        stdio: 'inherit',
+      });
+    } else {
+      await saveUrlToPathAsync(xibFile, splashIntermediateFilename);
+    }
+  } else {
+    await _copyIntermediateLaunchScreenAsync(context, splashIntermediateFilename);
+
+    if (manifestUsesSplashApi(config, 'ios')) {
+      await transformFileContentsAsync(splashIntermediateFilename, fileString => {
+        const parser = new DOMParser();
+        const serializer = new XMLSerializer();
+        const dom = parser.parseFromString(fileString);
+
+        _setBackgroundColor(config, dom);
+        _setBackgroundImageResizeMode(config, dom);
+
+        return serializer.serializeToString(dom);
+      });
+
+      await _saveImageAssetsAsync(context);
+    }
+  }
+
+  if (context.type === 'user') {
+    await spawnAsyncThrowError(
+      '/bin/cp',
+      [splashIntermediateFilename, path.join(supportingDirectory, 'LaunchScreen.xib')],
+      {
+        stdio: 'inherit',
+      }
+    );
+  } else {
+    const splashOutputFilename = path.join(supportingDirectory, 'Base.lproj', 'LaunchScreen.nib');
+    await spawnAsyncThrowError('ibtool', [
+      '--compile',
+      splashOutputFilename,
+      splashIntermediateFilename,
+    ]);
+
+    const generatedUnnecessaryNib = path.join(supportingDirectory, 'LaunchScreen.nib');
+    if (fs.existsSync(generatedUnnecessaryNib)) {
+      rimraf.sync(generatedUnnecessaryNib);
+    }
+  }
+}
+
+export { configureLaunchAssetsAsync };

src/xdl/detach/IosLocalization.js

@@ -0,0 +1,27 @@
+import fs from 'fs-extra';
+import path from 'path';
+
+import { getResolvedLocalesAsync } from './ExponentTools';
+
+export async function writeLocalizationResourcesAsync({
+  projectRoot,
+  supportingDirectory,
+  context,
+}) {
+  let locales = {};
+  if (context.type === 'user') {
+    locales = await getResolvedLocalesAsync(projectRoot, context.config);
+  } else if (context.type === 'service') {
+    locales = context.config.locales !== undefined ? context.config.locales : {};
+  }
+  for (const [lang, localizationObj] of Object.entries(locales)) {
+    const dir = path.join(supportingDirectory, `${lang}.lproj`);
+    fs.mkdirpSync(dir);
+    const strings = path.join(dir, 'InfoPlist.strings');
+    const buffer = [];
+    for (const [plistKey, localVersion] of Object.entries(localizationObj)) {
+      buffer.push(`${plistKey} = "${localVersion}";`);
+    }
+    await fs.writeFile(strings, buffer.join('\n'));
+  }
+}

src/xdl/detach/IosNSBundle.ts

@@ -0,0 +1,760 @@
+import { ExpoConfig } from '@expo/config';
+import fs from 'fs-extra';
+import path from 'path';
+
+import turtleLogger from 'turtle/logger';
+import * as AssetBundle from './AssetBundle';
+import {
+  getBundleFileNameForSdkVersion,
+  getManifestAsync,
+  getManifestFileNameForSdkVersion,
+  manifestUsesSplashApi,
+  parseSdkMajorVersion,
+  saveUrlToPathAsync,
+} from './ExponentTools';
+import * as IosAssetArchive from './IosAssetArchive';
+import * as IosIcons from './IosIcons';
+// @ts-ignore: No TS support
+import * as IosLaunchScreen from './IosLaunchScreen';
+// @ts-ignore: No TS support
+import * as IosLocalization from './IosLocalization';
+import * as IosPlist from './IosPlist';
+// @ts-ignore: No TS support
+import * as IosWorkspace from './IosWorkspace';
+import logger from './Logger';
+import {
+  AnyStandaloneContext,
+  isStandaloneContextDataService,
+  StandaloneContextService,
+  StandaloneContextUser,
+} from './StandaloneContext';
+
+// TODO: move this somewhere else. this is duplicated in universe/exponent/template-files/keys,
+// but xdl doesn't have access to that.
+const DEFAULT_FABRIC_KEY = '81130e95ea13cd7ed9a4f455e96214902c721c99';
+const DEFAULT_GAD_APPLICATION_ID = 'ca-app-pub-3940256099942544~1458002511';
+const KERNEL_URL = 'https://expo.io/@exponent/home';
+
+function _configureInfoPlistForLocalDevelopment(
+  config: any,
+  exp: ExpoConfig,
+): ExpoConfig {
+  // add detached scheme
+  if (exp.isDetached && exp.detach?.scheme) {
+    if (!config.CFBundleURLTypes) {
+      config.CFBundleURLTypes = [
+        {
+          CFBundleURLSchemes: [],
+        },
+      ];
+    }
+    config.CFBundleURLTypes[0].CFBundleURLSchemes.push(exp.detach.scheme);
+  }
+  // for local dev, don't specify device family here
+  if (config.UIDeviceFamily) {
+    delete config.UIDeviceFamily;
+  }
+  return config;
+}
+
+/**
+ *  Prints warnings or info about the configured environment for local development.
+ */
+function _logDeveloperInfoForLocalDevelopment(infoPlist: any[]): void {
+  // warn about *UsageDescription changes
+  const usageKeysConfigured = [];
+  for (const key in infoPlist) {
+    if (key in infoPlist && key.includes('UsageDescription')) {
+      usageKeysConfigured.push(key);
+    }
+  }
+  if (usageKeysConfigured.length) {
+    logger.info(
+      'We added some permissions keys to `Info.plist` in your detached iOS project:',
+    );
+    usageKeysConfigured.forEach((key) => {
+      logger.info(`  ${key}`);
+    });
+    logger.info(
+      'You may want to revise them to include language appropriate to your project. ' +
+        'You can also remove them if your app will never use the corresponding API. ' +
+        'See the Apple docs for these keys.',
+    );
+  }
+}
+
+async function _cleanPropertyListBackupsAsync(
+  context: AnyStandaloneContext,
+  backupPath: string,
+): Promise<void> {
+  if (context.build?.ios?.buildType !== 'client') {
+    await IosPlist.cleanBackupAsync(backupPath, 'EXShell', false);
+    // [dsokal] it's probably ok to clean up those two for client but no one knows if it's true for sure
+    await IosPlist.cleanBackupAsync(backupPath, 'EXSDKVersions', false);
+    await IosPlist.cleanBackupAsync(backupPath, 'EXBuildConstants', false);
+  }
+  await IosPlist.cleanBackupAsync(backupPath, 'Info', false);
+  // TODO: support this in user contexts as well
+  if (context instanceof StandaloneContextService) {
+    const { projectName } = IosWorkspace.getPaths(context);
+    await IosPlist.cleanBackupAsync(
+      backupPath,
+      `${projectName}.entitlements`,
+      false,
+    );
+  }
+}
+
+/**
+ * Write the manifest and JS bundle to the NSBundle.
+ */
+async function _preloadManifestAndBundleAsync(
+  manifest: { bundleUrl: string; [key: string]: any },
+  supportingDirectory: string,
+  manifestFilename: string,
+  bundleFilename: string,
+): Promise<void> {
+  const bundleUrl = manifest.bundleUrl;
+  await fs.writeFile(
+    path.join(supportingDirectory, manifestFilename),
+    JSON.stringify(manifest),
+  );
+  await saveUrlToPathAsync(
+    bundleUrl,
+    path.join(supportingDirectory, bundleFilename),
+  );
+}
+
+/**
+ *  This method only makes sense when operating on a context with sdk version < 26.
+ */
+async function _maybeLegacyPreloadKernelManifestAndBundleAsync(
+  context: AnyStandaloneContext,
+  manifestFilename: string,
+  bundleFilename: string,
+): Promise<void> {
+  const { supportingDirectory } = IosWorkspace.getPaths(context);
+  const sdkVersionSupported = await IosWorkspace.getNewestSdkVersionSupportedAsync(
+    context,
+  );
+
+  if (parseSdkMajorVersion(sdkVersionSupported) < 26) {
+    logger.info('Preloading Expo kernel JS...');
+    const kernelManifest = await getManifestAsync(KERNEL_URL, {
+      'Exponent-SDK-Version': sdkVersionSupported,
+      'Exponent-Platform': 'ios',
+      'Accept': 'application/expo+json,application/json',
+    });
+    return _preloadManifestAndBundleAsync(
+      kernelManifest,
+      supportingDirectory,
+      manifestFilename,
+      bundleFilename,
+    );
+  }
+}
+
+/**
+ * Configure a standalone entitlements file.
+ */
+async function _configureEntitlementsAsync(
+  context: AnyStandaloneContext,
+): Promise<any> {
+  if (context instanceof StandaloneContextUser) {
+    // don't modify .entitlements, print info/instructions
+    const { exp } = context.data;
+    logger.info(
+      'Your iOS ExpoKit project will not contain an .entitlements file by default. ' +
+        'If you need specific Apple entitlements, enable them manually via Xcode or the Apple Developer website.',
+    );
+    const keysToFlag = [];
+    if (exp.ios?.usesIcloudStorage) {
+      keysToFlag.push('ios.usesIcloudStorage');
+    }
+    if (exp.ios?.associatedDomains) {
+      keysToFlag.push('ios.associatedDomains');
+    }
+    if (keysToFlag.length) {
+      logger.info(
+        'We noticed the following keys in your project which may require entitlements:',
+      );
+      keysToFlag.forEach((key) => {
+        logger.info(`  ${key}`);
+      });
+    }
+    return {};
+  } else {
+    // modify the .entitlements file
+    const { projectName, supportingDirectory } = IosWorkspace.getPaths(context);
+    const manifest =
+      isStandaloneContextDataService(context.data) && context.data.manifest;
+    const entitlementsFilename = `${projectName}.entitlements`;
+    const { appleTeamId } = context.build.ios || ({} as any);
+    if (!fs.existsSync(path.join(supportingDirectory, entitlementsFilename))) {
+      await IosPlist.createBlankAsync(
+        supportingDirectory,
+        entitlementsFilename,
+      );
+    }
+    const result = IosPlist.modifyAsync(
+      supportingDirectory,
+      entitlementsFilename,
+      (entitlements) => {
+        if (manifest.ios?.entitlements) {
+          for (const key in manifest.ios.entitlements) {
+            if (manifest.ios.entitlements.hasOwnProperty(key)) {
+              entitlements[key] = manifest.ios.entitlements[key];
+            }
+          }
+        }
+
+        // push notif entitlement changes based on build configuration
+        entitlements['aps-environment'] =
+          context.build.configuration === 'Release'
+            ? 'production'
+            : 'development';
+
+        // remove iCloud-specific entitlements if the developer isn't using iCloud Storage with DocumentPicker
+        if (manifest.ios?.usesIcloudStorage && appleTeamId) {
+          entitlements['com.apple.developer.icloud-container-identifiers'] = [
+            'iCloud.' + manifest.ios.bundleIdentifier,
+          ];
+          entitlements['com.apple.developer.ubiquity-container-identifiers'] = [
+            'iCloud.' + manifest.ios.bundleIdentifier,
+          ];
+          entitlements['com.apple.developer.ubiquity-kvstore-identifier'] =
+            appleTeamId + '.' + manifest.ios.bundleIdentifier;
+          entitlements['com.apple.developer.icloud-services'] = [
+            'CloudDocuments',
+          ];
+        } else {
+          [
+            'com.apple.developer.icloud-container-identifiers',
+            'com.apple.developer.icloud-services',
+            'com.apple.developer.ubiquity-container-identifiers',
+            'com.apple.developer.ubiquity-kvstore-identifier',
+          ].forEach((key) => {
+            if (entitlements.hasOwnProperty(key)) {
+              delete entitlements[key];
+            }
+          });
+        }
+
+        if (manifest.ios?.usesAppleSignIn) {
+          entitlements['com.apple.developer.applesignin'] = ['Default'];
+        } else if (
+          entitlements.hasOwnProperty('com.apple.developer.applesignin')
+        ) {
+          delete entitlements['com.apple.developer.applesignin'];
+        }
+
+        if (manifest.ios?.accessesContactNotes) {
+          entitlements['com.apple.developer.contacts.notes'] =
+            manifest.ios.accessesContactNotes;
+        } else if (
+          entitlements.hasOwnProperty('com.apple.developer.contacts.notes')
+        ) {
+          delete entitlements['com.apple.developer.contacts.notes'];
+        }
+
+        // Add app associated domains remove exp-specific ones.
+        if (manifest.ios?.associatedDomains) {
+          entitlements['com.apple.developer.associated-domains'] =
+            manifest.ios.associatedDomains;
+        } else if (
+          entitlements.hasOwnProperty('com.apple.developer.associated-domains')
+        ) {
+          delete entitlements['com.apple.developer.associated-domains'];
+        }
+
+        // for now, remove any merchant ID in shell apps
+        // (TODO: better plan for payments)
+        delete entitlements['com.apple.developer.in-app-payments'];
+
+        return entitlements;
+      },
+    );
+    return result;
+  }
+}
+
+/**
+ *  Resolve the private config for a project.
+ *  For standalone apps, this is copied into a separate context field context.data.privateConfig
+ *  by the turtle builder. For a local project, this is available in app.json under ios.config.
+ */
+function _getPrivateConfig(
+  context: AnyStandaloneContext,
+): { [key: string]: any } | undefined {
+  if (context instanceof StandaloneContextService) {
+    return context.data.privateConfig;
+  } else {
+    const exp = context.data.exp;
+    if (exp && exp.ios) {
+      return exp.ios.config;
+    }
+  }
+
+  return undefined;
+}
+
+function _isAppleUsageDescriptionKey(key: string): boolean {
+  return key.includes('UsageDescription');
+}
+
+function ensureStringArray(input: any): string[] {
+  // Normalize schemes and filter invalid schemes.
+  const stringArray = (Array.isArray(input) ? input : [input]).filter(
+    (scheme) => typeof scheme === 'string' && !!scheme,
+  );
+  return stringArray;
+}
+
+/**
+ * Configure an iOS Info.plist for a standalone app.
+ */
+async function _configureInfoPlistAsync(
+  context: AnyStandaloneContext,
+): Promise<void> {
+  const { supportingDirectory } = IosWorkspace.getPaths(context);
+  const config = context.config;
+  const privateConfig = _getPrivateConfig(context);
+
+  const result = await IosPlist.modifyAsync(
+    supportingDirectory,
+    'Info',
+    (infoPlist) => {
+      // make sure this happens first:
+      // apply any custom information from ios.infoPlist prior to all other exponent config
+      const usageDescriptionKeysConfigured: { [key: string]: any } = {};
+      let extraConfig;
+      if (config.ios && config.ios.infoPlist) {
+        extraConfig = config.ios.infoPlist;
+        for (const key in extraConfig) {
+          if (extraConfig.hasOwnProperty(key)) {
+            infoPlist[key] = extraConfig[key];
+
+            // if the user provides *UsageDescription keys, don't override them later.
+            if (_isAppleUsageDescriptionKey(key)) {
+              usageDescriptionKeysConfigured[key] = true;
+            }
+          }
+        }
+      }
+
+      // reset the status bar style to the default gray. this can be removed if we
+      // ever change expo client to use `UIStatusBarStyleDefault` instead of
+      // `UIStatusBarStyleLightContent`
+      if (!extraConfig?.UIStatusBarStyle) {
+        infoPlist.UIStatusBarStyle = 'UIStatusBarStyleDefault';
+      }
+
+      // bundle id
+      infoPlist.CFBundleIdentifier = config?.ios?.bundleIdentifier ?? null;
+      if (!infoPlist.CFBundleIdentifier) {
+        throw new Error(
+          `Cannot configure an iOS app with no bundle identifier.`,
+        );
+      }
+
+      // app name
+      infoPlist.CFBundleName = config.name;
+      infoPlist.CFBundleDisplayName = context.build.isExpoClientBuild()
+        ? 'Expo (Custom)'
+        : config.name;
+
+      // determine app linking schemes
+      const multiPlatformSchemes = ensureStringArray(config.scheme);
+      const iosSchemes = ensureStringArray(config.ios?.scheme);
+      const linkingSchemes = [...multiPlatformSchemes, ...iosSchemes];
+      if (config.facebookScheme && config.facebookScheme.startsWith('fb')) {
+        linkingSchemes.push(config.facebookScheme);
+      }
+
+      if (
+        privateConfig &&
+        privateConfig.googleSignIn &&
+        privateConfig.googleSignIn.reservedClientId
+      ) {
+        linkingSchemes.push(privateConfig.googleSignIn.reservedClientId);
+      }
+
+      // remove exp scheme, add app scheme(s)
+      infoPlist.CFBundleURLTypes = [
+        {
+          CFBundleURLSchemes: linkingSchemes,
+        },
+        {
+          // Add the generic oauth redirect, it's important that it has the name
+          // 'OAuthRedirect' so we can find it in app code.
+          CFBundleURLName: 'OAuthRedirect',
+          CFBundleURLSchemes: [infoPlist.CFBundleIdentifier],
+        },
+      ];
+
+      // add or remove other facebook config
+      if (config.facebookAppId) {
+        infoPlist.FacebookAppID = config.facebookAppId;
+        let queriesSchemes = infoPlist.LSApplicationQueriesSchemes || [];
+        queriesSchemes = queriesSchemes.concat([
+          'fbapi',
+          'fb-messenger-api',
+          'fbauth2',
+          'fbshareextension',
+        ]);
+        infoPlist.LSApplicationQueriesSchemes = queriesSchemes;
+      } else {
+        delete infoPlist.FacebookAppID;
+      }
+      if (config.facebookDisplayName) {
+        infoPlist.FacebookDisplayName = config.facebookDisplayName;
+      } else {
+        delete infoPlist.FacebookDisplayName;
+      }
+
+      if (parseSdkMajorVersion(config.sdkVersion) >= 36) {
+        infoPlist.FacebookAutoInitEnabled =
+          config.facebookAutoInitEnabled || false;
+        infoPlist.FacebookAutoLogAppEventsEnabled =
+          config.facebookAutoLogAppEventsEnabled || false;
+        infoPlist.FacebookAdvertiserIDCollectionEnabled =
+          config.facebookAdvertiserIDCollectionEnabled || false;
+      }
+
+      // set ITSAppUsesNonExemptEncryption to let people skip manually
+      // entering it in iTunes Connect
+      if (
+        privateConfig &&
+        privateConfig.hasOwnProperty('usesNonExemptEncryption') &&
+        privateConfig.usesNonExemptEncryption === false
+      ) {
+        infoPlist.ITSAppUsesNonExemptEncryption = false;
+      }
+
+      // google maps api key
+      if (privateConfig && privateConfig.googleMapsApiKey) {
+        infoPlist.GMSApiKey = privateConfig.googleMapsApiKey;
+      }
+
+      // Google Mobile Ads App ID
+      // The app crashes if the app ID isn't provided, so if the user
+      // doesn't provide the ID, we leave the sample one.
+      infoPlist.GADApplicationIdentifier =
+        (privateConfig && privateConfig.googleMobileAdsAppId) ||
+        DEFAULT_GAD_APPLICATION_ID;
+
+      // Auto-init of Google App Measurement
+      // unless the user explicitly specifies they want to auto-init, we set delay to true
+      infoPlist.GADDelayAppMeasurementInit = !(
+        privateConfig && privateConfig.googleMobileAdsAutoInit
+      );
+
+      // use version from manifest
+      const version = config.version ? config.version : '0.0.0';
+      const buildNumber =
+        config.ios && config.ios.buildNumber ? config.ios.buildNumber : '1';
+      infoPlist.CFBundleShortVersionString = version;
+      infoPlist.CFBundleVersion = buildNumber;
+
+      infoPlist.Fabric = {
+        APIKey:
+          (privateConfig &&
+            privateConfig.fabric &&
+            privateConfig.fabric.apiKey) ||
+          DEFAULT_FABRIC_KEY,
+        Kits: [
+          {
+            KitInfo: {},
+            KitName: 'Crashlytics',
+          },
+        ],
+      };
+
+      if (privateConfig && privateConfig.branch) {
+        infoPlist.branch_key = {
+          live: privateConfig.branch.apiKey,
+        };
+      }
+
+      const permissionsAppName = config.name ? config.name : 'this app';
+      for (const key in infoPlist) {
+        if (
+          infoPlist.hasOwnProperty(key) &&
+          _isAppleUsageDescriptionKey(key) &&
+          !usageDescriptionKeysConfigured.hasOwnProperty(key)
+        ) {
+          infoPlist[key] = infoPlist[key].replace(
+            'Expo experiences',
+            permissionsAppName,
+          );
+        }
+      }
+
+      // 1 is iPhone, 2 is iPad
+      infoPlist.UIDeviceFamily =
+        config.ios && config.ios.supportsTablet ? [1, 2] : [1];
+
+      // allow iPad-only
+      if (config.ios && config.ios.isTabletOnly) {
+        infoPlist.UIDeviceFamily = [2];
+      }
+
+      // Whether requires full screen on iPad
+      infoPlist.UIRequiresFullScreen =
+        config.ios && config.ios.requireFullScreen;
+      if (infoPlist.UIRequiresFullScreen == null) {
+        // NOTES: This is defaulted to `true` for now to match the behavior prior to SDK 34,
+        // but will change to `false` in a future SDK version.
+        infoPlist.UIRequiresFullScreen = true;
+      }
+      // Cast to make sure that it is a boolean.
+      infoPlist.UIRequiresFullScreen = Boolean(infoPlist.UIRequiresFullScreen);
+
+      // Put `ios.userInterfaceStyle` into `UIUserInterfaceStyle` property of Info.plist
+      const userInterfaceStyle = config.ios && config.ios.userInterfaceStyle;
+      if (userInterfaceStyle) {
+        // To convert our config value to the InfoPlist value, we can just capitalize it.
+        infoPlist.UIUserInterfaceStyle = _mapUserInterfaceStyleForInfoPlist(
+          userInterfaceStyle,
+        );
+      }
+
+      // context-specific plist changes
+      if (context instanceof StandaloneContextUser) {
+        infoPlist = _configureInfoPlistForLocalDevelopment(
+          infoPlist,
+          context.data.exp,
+        );
+        _logDeveloperInfoForLocalDevelopment(infoPlist);
+      }
+
+      if (context instanceof StandaloneContextService && context.build.ios) {
+        infoPlist.CFBundleExecutable = context.build.ios.bundleExecutable;
+      }
+
+      return infoPlist;
+    },
+  );
+  return result;
+}
+
+/**
+ *  Configure EXShell.plist for a standalone app.
+ */
+async function _configureShellPlistAsync(
+  context: AnyStandaloneContext,
+): Promise<void> {
+  const { supportingDirectory } = IosWorkspace.getPaths(context);
+  const config = context.config;
+  const buildPhaseLogger = logger.withFields({
+    buildPhase: 'configuring NSBundle',
+  });
+
+  await IosPlist.modifyAsync(supportingDirectory, 'EXShell', (shellPlist) => {
+    // older SDK versions rely on `isShell` flag in xdl
+    if (parseSdkMajorVersion(config.sdkVersion) < 28) {
+      shellPlist.isShell = true;
+    }
+    shellPlist.manifestUrl = context.published.url;
+    shellPlist.releaseChannel = context.published.releaseChannel;
+    if (
+      isStandaloneContextDataService(context.data) &&
+      context.data.testEnvironment
+    ) {
+      shellPlist.testEnvironment = context.data.testEnvironment;
+    }
+    if (config.ios && config.ios.permissions) {
+      shellPlist.permissions = config.ios.permissions;
+    }
+    if (context instanceof StandaloneContextUser) {
+      // disable manifest verification on detached apps until
+      // the developer adds the correct entitlements to their bundle id.
+      shellPlist.isManifestVerificationBypassed = true;
+    }
+    if (config.ios && config.ios.hasOwnProperty('isRemoteJSEnabled')) {
+      // deprecated, overridden by updates.enabled if that exists
+      shellPlist.areRemoteUpdatesEnabled = config.ios.isRemoteJSEnabled;
+    }
+    if (config.updates && config.updates.hasOwnProperty('enabled')) {
+      // enable/disable code push if the developer provided specific behavior
+      shellPlist.areRemoteUpdatesEnabled = config.updates.enabled;
+    }
+    if (config.updates?.hasOwnProperty('checkAutomatically')) {
+      shellPlist.updatesCheckAutomatically =
+        config.updates.checkAutomatically !== 'ON_ERROR_RECOVERY';
+    }
+    if (config.updates?.hasOwnProperty('fallbackToCacheTimeout')) {
+      shellPlist.updatesFallbackToCacheTimeout =
+        config.updates.fallbackToCacheTimeout;
+    }
+    if (
+      !manifestUsesSplashApi(config, 'ios') &&
+      parseSdkMajorVersion(config.sdkVersion) < 28
+    ) {
+      // for people still using the old loading api, hide the native splash screen.
+      // we can remove this code eventually.
+      shellPlist.isSplashScreenDisabled = true;
+    }
+
+    buildPhaseLogger.info('Using standalone config:', shellPlist);
+    return shellPlist;
+  });
+}
+
+async function _configureConstantsPlistAsync(context: AnyStandaloneContext) {
+  if (context instanceof StandaloneContextUser) {
+    return;
+  }
+
+  const { supportingDirectory } = IosWorkspace.getPaths(context);
+  await IosPlist.modifyAsync(
+    supportingDirectory,
+    'EXBuildConstants',
+    (constantsConfig) => {
+      constantsConfig.API_SERVER_ENDPOINT =
+        process.env.ENVIRONMENT === 'staging'
+          ? 'https://staging.exp.host/--/api/v2/'
+          : 'https://exp.host/--/api/v2/';
+      return constantsConfig;
+    },
+  );
+}
+
+async function _configureGoogleServicesPlistAsync(
+  context: AnyStandaloneContext,
+): Promise<void> {
+  if (context instanceof StandaloneContextUser) {
+    return;
+  }
+  if (context.data.manifest.ios?.googleServicesFile) {
+    const { supportingDirectory } = IosWorkspace.getPaths(context);
+    await fs.writeFile(
+      path.join(supportingDirectory, 'GoogleService-Info.plist'),
+      context.data.manifest.ios?.googleServicesFile,
+      'base64',
+    );
+  }
+}
+
+export async function configureAsync(
+  context: AnyStandaloneContext,
+): Promise<void> {
+  const buildPhaseLogger = logger.withFields({
+    buildPhase: 'configuring NSBundle',
+  });
+
+  const {
+    intermediatesDirectory,
+    iosProjectDirectory,
+    projectRootDirectory,
+    projectName,
+    supportingDirectory,
+  } = IosWorkspace.getPaths(context);
+
+  const isExpoClientBuild = context.build.isExpoClientBuild();
+
+  if (!isExpoClientBuild && !context.published.url) {
+    throw new Error(`Can't configure a NSBundle without a published url.`);
+  }
+
+  // ensure the intermediates directory is clean of any prior build's artifacts, in the event we
+  // share directories across builds
+  await fs.remove(intermediatesDirectory);
+
+  try {
+    // common configuration for all contexts
+    buildPhaseLogger.info(
+      `Modifying NSBundle configuration at ${supportingDirectory}...`,
+    );
+    await _configureInfoPlistAsync(context);
+    if (!isExpoClientBuild) {
+      await _configureShellPlistAsync(context);
+    }
+    await _configureEntitlementsAsync(context);
+    await _configureConstantsPlistAsync(context);
+    await _configureGoogleServicesPlistAsync(context);
+    if (!isExpoClientBuild) {
+      await IosLaunchScreen.configureLaunchAssetsAsync(
+        context,
+        intermediatesDirectory,
+      );
+      await IosLocalization.writeLocalizationResourcesAsync({
+        projectRoot: projectRootDirectory,
+        supportingDirectory,
+        context,
+      });
+    }
+
+    if (isExpoClientBuild) {
+      return;
+    }
+
+    if (context instanceof StandaloneContextUser) {
+      const iconPath = path.join(
+        iosProjectDirectory,
+        projectName,
+        'Assets.xcassets',
+        'AppIcon.appiconset',
+      );
+      await IosIcons.createAndWriteIconsToPathAsync(context, iconPath);
+    } else if (context instanceof StandaloneContextService) {
+      buildPhaseLogger.info('Bundling assets...');
+      try {
+        await AssetBundle.bundleAsync(
+          context,
+          context.data.manifest.bundledAssets,
+          supportingDirectory,
+        );
+      } catch (e) {
+        throw new Error(`Asset bundling failed: ${e}`);
+      }
+      buildPhaseLogger.info('Compiling resources...');
+      await IosAssetArchive.buildAssetArchiveAsync(
+        context,
+        supportingDirectory,
+        intermediatesDirectory,
+      );
+      await _preloadManifestAndBundleAsync(
+        context.data.manifest,
+        supportingDirectory,
+        getManifestFileNameForSdkVersion(context.data.manifest.sdkVersion),
+        getBundleFileNameForSdkVersion(context.data.manifest.sdkVersion),
+      );
+    }
+
+    await _maybeLegacyPreloadKernelManifestAndBundleAsync(
+      context,
+      'kernel-manifest.json',
+      'kernel.ios.bundle',
+    );
+  } catch (err) {
+    turtleLogger.error(err);
+    throw err;
+  } finally {
+    buildPhaseLogger.info('Cleaning up iOS...');
+    await Promise.all([
+      _cleanPropertyListBackupsAsync(context, supportingDirectory),
+      fs.remove(intermediatesDirectory),
+    ]);
+  }
+}
+
+function _mapUserInterfaceStyleForInfoPlist(
+  userInterfaceStyle: string,
+): string | undefined {
+  switch (userInterfaceStyle) {
+    case 'light':
+      return 'Light';
+    case 'dark':
+      return 'Dark';
+    case 'automatic':
+      return 'Automatic';
+    default:
+      logger.warn(
+        `User interface style "${userInterfaceStyle}" is not supported. ` +
+          `Supported values: "light", "dark", "automatic".`,
+      );
+  }
+
+  return undefined;
+}

src/xdl/detach/IosPlist.ts

@@ -0,0 +1,109 @@
+import plist from '@expo/plist';
+import fs from 'fs-extra';
+import path from 'path';
+
+import { spawnAsyncThrowError } from './ExponentTools';
+import logger from './Logger';
+
+function _getNormalizedPlistFilename(plistName: string) {
+  let plistFilename;
+  if (plistName.indexOf('.') !== -1) {
+    plistFilename = plistName;
+  } else {
+    plistFilename = `${plistName}.plist`;
+  }
+  return plistFilename;
+}
+
+/**
+ *  @param plistName base filename of property list. if no extension, assumes .plist
+ */
+async function modifyAsync(plistPath: string, plistName: string, transform: (config: any) => any) {
+  const plistFilename = _getNormalizedPlistFilename(plistName);
+  const configPlistName = path.join(plistPath, plistFilename);
+  const configFilename = path.join(plistPath, `${plistName}.json`);
+
+  // grab original plist as json object
+  let config;
+  if (process.platform === 'darwin') {
+    await spawnAsyncThrowError('plutil', [
+      '-convert',
+      'json',
+      configPlistName,
+      '-o',
+      configFilename,
+    ]);
+    const configContents = await fs.readFile(configFilename, 'utf8');
+
+    try {
+      config = JSON.parse(configContents);
+    } catch (e) {
+      logger.info(`Error parsing ${configFilename}`, e);
+      logger.info('The erroneous file contents was:', configContents);
+      config = {};
+    }
+  } else {
+    config = plist.parse(fs.readFileSync(configPlistName, 'utf8'));
+  }
+
+  // apply transformation
+  config = await transform(config);
+
+  // back up old plist and swap in modified one
+  fs.copyFileSync(configPlistName, `${configPlistName}.bak`);
+  await fs.writeFile(configFilename, JSON.stringify(config));
+  if (process.platform === 'darwin') {
+    await spawnAsyncThrowError('plutil', [
+      '-convert',
+      'xml1',
+      configFilename,
+      '-o',
+      configPlistName,
+    ]);
+  } else {
+    await fs.writeFile(configPlistName, plist.build(config));
+  }
+
+  return config;
+}
+
+async function createBlankAsync(plistPath: string, plistName: string) {
+  // write empty json file
+  const emptyConfig = {};
+  const tmpConfigFile = path.join(plistPath, `${plistName}.json`);
+  await fs.writeFile(tmpConfigFile, JSON.stringify(emptyConfig));
+
+  // convert to plist
+  const plistFilename = _getNormalizedPlistFilename(plistName);
+  const configPlistName = path.join(plistPath, plistFilename);
+  if (process.platform === 'darwin') {
+    await spawnAsyncThrowError('plutil', [
+      '-convert',
+      'xml1',
+      tmpConfigFile,
+      '-o',
+      configPlistName,
+    ]);
+  } else {
+    await fs.writeFile(configPlistName, JSON.stringify(plist.build(emptyConfig)));
+  }
+
+  // remove tmp json file
+  fs.removeSync(tmpConfigFile);
+}
+
+async function cleanBackupAsync(plistPath: string, plistName: string, restoreOriginal = true) {
+  const plistFilename = _getNormalizedPlistFilename(plistName);
+  const configPlistName = path.join(plistPath, plistFilename);
+  const configFilename = path.join(plistPath, `${plistName}.json`);
+  const backupPlistPath = `${configPlistName}.bak`;
+
+  if (restoreOriginal && (await fs.pathExists(backupPlistPath))) {
+    await fs.copy(backupPlistPath, configPlistName);
+  }
+
+  await fs.remove(backupPlistPath);
+  await fs.remove(configFilename);
+}
+
+export { modifyAsync, cleanBackupAsync, createBlankAsync };

src/xdl/detach/IosPodsTools.js

@@ -0,0 +1,586 @@
+import JsonFile from '@expo/json-file';
+import fs from 'fs-extra';
+import { sync as globSync } from 'glob';
+import indentString from 'indent-string';
+import path from 'path';
+
+import { parseSdkMajorVersion } from './ExponentTools';
+
+function _validatePodfileSubstitutions(substitutions) {
+  const validKeys = [
+    // a pod dependency on ExpoKit (can be local or remote)
+    'EXPOKIT_DEPENDENCY',
+    // local path to ExpoKit dependency
+    'EXPOKIT_PATH',
+    // tag to use for ExpoKit dependency
+    'EXPOKIT_TAG',
+    // the contents of dependencies.json enumerated as deps in podfile format
+    'EXPONENT_CLIENT_DEPS',
+    // postinstall for detached projects (defines EX_DETACHED among other things)
+    'PODFILE_DETACHED_POSTINSTALL',
+    // same as previous but also defines EX_DETACHED_SERVICE
+    'PODFILE_DETACHED_SERVICE_POSTINSTALL',
+    // ExponentIntegrationTests
+    'PODFILE_TEST_TARGET',
+    // unversioned react native pod dependency, probably at the path given in
+    // REACT_NATIVE_PATH, with a bunch of subspecs.
+    'PODFILE_UNVERSIONED_RN_DEPENDENCY',
+    // postinstall hook for unversioned deps
+    'PODFILE_UNVERSIONED_POSTINSTALL',
+    // versioned rn dependencies (paths to versioned-react-native directories)
+    // read from template files
+    'PODFILE_VERSIONED_RN_DEPENDENCIES',
+    // versioned rn postinstall hooks read from template files
+    'PODFILE_VERSIONED_POSTINSTALLS',
+    // list of generated Expo subspecs to include under a versioned react native dependency
+    'REACT_NATIVE_EXPO_SUBSPECS',
+    // path to use for the unversioned react native dependency
+    'REACT_NATIVE_PATH',
+    // name of the main build target, e.g. Exponent
+    'TARGET_NAME',
+    // path from Podfile to versioned-react-native
+    'VERSIONED_REACT_NATIVE_PATH',
+    // Expo universal modules dependencies
+    'PODFILE_UNVERSIONED_EXPO_MODULES_DEPENDENCIES',
+    // Universal modules configurations to be included in the Podfile
+    'UNIVERSAL_MODULES',
+    // Relative path from iOS project directory to folder where unimodules are installed.
+    'UNIVERSAL_MODULES_PATH',
+  ];
+
+  for (const key in substitutions) {
+    if (substitutions.hasOwnProperty(key)) {
+      if (!validKeys.includes(key)) {
+        throw new Error(`Unrecognized Podfile template key: ${key}`);
+      }
+    }
+  }
+  return true;
+}
+
+function _renderExpoKitDependency(options, sdkVersion) {
+  const sdkMajorVersion = parseSdkMajorVersion(sdkVersion);
+  let attributes;
+  if (options.expoKitPath) {
+    attributes = {
+      path: path.join(options.expoKitPath, 'ios'),
+    };
+  } else if (options.expoKitTag) {
+    attributes = {
+      git: 'http://github.com/expo/expo.git',
+      tag: options.expoKitTag,
+    };
+  } else {
+    attributes = {
+      git: 'http://github.com/expo/expo.git',
+      branch: 'master',
+    };
+  }
+
+  // GL subspec is available as of SDK 26
+  // but removed together with CPP subspec in SDK 29
+  if (sdkMajorVersion < 26) {
+    attributes.subspecs = ['Core', 'CPP'];
+  } else if (sdkMajorVersion < 29 && !process.env.EXPO_UNIVERSE_DIR) {
+    attributes.subspecs = ['Core', 'CPP', 'GL'];
+  } else {
+    attributes.subspecs = ['Core'];
+  }
+  attributes.inhibit_warnings = true;
+
+  const dependency = `pod 'ExpoKit',
+${indentString(_renderDependencyAttributes(attributes), 2)}`;
+
+  return indentString(dependency, 2);
+}
+
+/**
+ * @param sdkVersion if specified, indicates which sdkVersion this project uses
+ *  as 'UNVERSIONED', e.g. if we are detaching a sdk15 project, we render
+ *  an unversioned dependency pointing at RN#sdk-15.
+ */
+function _renderUnversionedReactNativeDependency(options, sdkVersion) {
+  const sdkMajorVersion = parseSdkMajorVersion(sdkVersion);
+
+  if (sdkMajorVersion >= 39) {
+    return indentString(`
+# Install React Native and its dependencies
+require_relative '../node_modules/react-native/scripts/react_native_pods'
+use_react_native!(production: true)`);
+  }
+
+  if (sdkMajorVersion >= 36) {
+    return indentString(
+      `
+# Install React Native and its dependencies
+require_relative '../node_modules/react-native/scripts/autolink-ios.rb'
+use_react_native!`
+    );
+  }
+
+  const glogLibraryName = sdkMajorVersion < 26 ? 'GLog' : 'glog';
+  return indentString(
+    `
+${_renderUnversionedReactDependency(options)}
+${_renderUnversionedYogaDependency(options)}
+${_renderUnversionedThirdPartyDependency(
+  'DoubleConversion',
+  path.join('third-party-podspecs', 'DoubleConversion.podspec'),
+  options
+)}
+${_renderUnversionedThirdPartyDependency(
+  'Folly',
+  path.join('third-party-podspecs', 'Folly.podspec'),
+  options
+)}
+${_renderUnversionedThirdPartyDependency(
+  glogLibraryName,
+  path.join('third-party-podspecs', `${glogLibraryName}.podspec`),
+  options
+)}
+`,
+    2
+  );
+}
+
+function _renderUnversionedReactDependency(options, sdkVersion) {
+  if (!options.reactNativePath) {
+    throw new Error(`Unsupported options for RN dependency: ${options}`);
+  }
+  const attributes = {
+    path: options.reactNativePath,
+    inhibit_warnings: true,
+    subspecs: [
+      'Core',
+      'ART',
+      'RCTActionSheet',
+      'RCTAnimation',
+      'RCTCameraRoll',
+      'RCTGeolocation',
+      'RCTImage',
+      'RCTNetwork',
+      'RCTText',
+      'RCTVibration',
+      'RCTWebSocket',
+      'DevSupport',
+      'CxxBridge',
+    ],
+  };
+  return `pod 'React',
+${indentString(_renderDependencyAttributes(attributes), 2)}`;
+}
+
+function _renderUnversionedYogaDependency(options) {
+  let attributes;
+  if (options.reactNativePath) {
+    attributes = {
+      path: path.join(options.reactNativePath, 'ReactCommon', 'yoga'),
+      inhibit_warnings: true,
+    };
+  } else {
+    throw new Error(`Unsupported options for Yoga dependency: ${options}`);
+  }
+  return `pod 'yoga',
+${indentString(_renderDependencyAttributes(attributes), 2)}`;
+}
+
+function _renderUnversionedThirdPartyDependency(podName, podspecRelativePath, options) {
+  let attributes;
+  if (options.reactNativePath) {
+    attributes = {
+      podspec: path.join(options.reactNativePath, podspecRelativePath),
+      inhibit_warnings: true,
+    };
+  } else {
+    throw new Error(`Unsupported options for ${podName} dependency: ${options}`);
+  }
+  return `pod '${podName}',
+${indentString(_renderDependencyAttributes(attributes), 2)}`;
+}
+
+function _renderDependencyAttributes(attributes) {
+  const attributesStrings = [];
+  for (const key of Object.keys(attributes)) {
+    const value = JSON.stringify(attributes[key], null, 2);
+    attributesStrings.push(`:${key} => ${value}`);
+  }
+  return attributesStrings.join(',\n');
+}
+
+function createSdkFilterFn(sdkVersion) {
+  if (sdkVersion && String(sdkVersion).toUpperCase() === 'UNVERSIONED') {
+    return () => false;
+  }
+  if (sdkVersion === undefined || !sdkVersion.match(/^\d+\.\d+.\d+$/)) {
+    return;
+  }
+  const sdkVersionWithUnderscores = sdkVersion.replace(/\./g, '_');
+  return i => i.endsWith(`/ReactABI${sdkVersionWithUnderscores}.rb`);
+}
+
+async function _renderVersionedReactNativeDependenciesAsync(
+  templatesDirectory,
+  versionedReactNativePath,
+  expoSubspecs,
+  shellAppSdkVersion
+) {
+  const filterFn = createSdkFilterFn(shellAppSdkVersion);
+  let result = await _concatTemplateFilesInDirectoryAsync(
+    path.join(templatesDirectory, 'versioned-react-native', 'dependencies'),
+    filterFn
+  );
+  expoSubspecs = expoSubspecs.map(subspec => `'${subspec}'`).join(', ');
+  result = result.replace(/\$\{VERSIONED_REACT_NATIVE_PATH\}/g, versionedReactNativePath);
+  result = result.replace(/\$\{REACT_NATIVE_EXPO_SUBSPECS\}/g, expoSubspecs);
+  return result;
+}
+
+async function _renderVersionedReactNativePostinstallsAsync(
+  templatesDirectory,
+  shellAppSdkVersion
+) {
+  const filterFn = createSdkFilterFn(shellAppSdkVersion);
+  return _concatTemplateFilesInDirectoryAsync(
+    path.join(templatesDirectory, 'versioned-react-native', 'postinstalls'),
+    filterFn
+  );
+}
+
+async function _concatTemplateFilesInDirectoryAsync(directory, filterFn) {
+  const templateFilenames = globSync('*.rb', { absolute: true, cwd: directory }).sort();
+  const filteredTemplateFilenames = filterFn
+    ? templateFilenames.filter(filterFn)
+    : templateFilenames;
+  const templateStrings = [];
+  // perform this in series in order to get deterministic output
+  for (let fileIdx = 0, nFiles = filteredTemplateFilenames.length; fileIdx < nFiles; fileIdx++) {
+    const filename = filteredTemplateFilenames[fileIdx];
+    const templateString = await fs.readFile(filename, 'utf8');
+    if (templateString) {
+      templateStrings.push(templateString);
+    }
+  }
+  return templateStrings.join('\n');
+}
+
+function _renderDetachedPostinstall(sdkVersion, isServiceContext) {
+  const sdkMajorVersion = parseSdkMajorVersion(sdkVersion);
+  const podNameExpression = sdkMajorVersion < 33 ? 'target.pod_name' : 'pod_name';
+  const targetExpression = sdkMajorVersion < 33 ? 'target' : 'target_installation_result';
+
+  const podsRootSub = '${PODS_ROOT}';
+  const maybeDetachedServiceDef = isServiceContext
+    ? `config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] << 'EX_DETACHED_SERVICE=1'`
+    : '';
+
+  const maybeFrameworkSearchPathDef =
+    sdkMajorVersion < 33
+      ? `
+          # Needed for GoogleMaps 2.x
+          config.build_settings['FRAMEWORK_SEARCH_PATHS'] ||= []
+          config.build_settings['FRAMEWORK_SEARCH_PATHS'] << '${podsRootSub}/GoogleMaps/Base/Frameworks'
+          config.build_settings['FRAMEWORK_SEARCH_PATHS'] << '${podsRootSub}/GoogleMaps/Maps/Frameworks'`
+      : '';
+  // In SDK39, in preparation for iOS 14 we've decided to remove IDFA code.
+  // By adding this macro to shell apps we'll remove this code from Branch
+  // on compilation level, see:
+  // https://github.com/BranchMetrics/ios-branch-deep-linking-attribution/blob/ac991f9d0bc9bad640b25a0f1192679a8cfa083a/Branch-SDK/BNCSystemObserver.m#L49-L75
+  const excludeIdfaCodeFromBranchSinceSDK39 =
+    sdkMajorVersion >= 39
+      ? `
+      if ${podNameExpression} == 'Branch'
+        ${targetExpression}.native_target.build_configurations.each do |config|
+          config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] ||= ['$(inherited)']
+          config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] << 'BRANCH_EXCLUDE_IDFA_CODE=1'
+        end
+      end`
+      : '';
+  return `
+      if ${podNameExpression} == 'ExpoKit'
+        ${targetExpression}.native_target.build_configurations.each do |config|
+          config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] ||= ['$(inherited)']
+          config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] << 'EX_DETACHED=1'
+          ${maybeDetachedServiceDef}
+          # Enable Google Maps support
+          config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] << 'HAVE_GOOGLE_MAPS=1'
+          config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] << 'HAVE_GOOGLE_MAPS_UTILS=1'
+          ${maybeFrameworkSearchPathDef}
+        end
+      end
+
+      ${excludeIdfaCodeFromBranchSinceSDK39}
+`;
+}
+
+function _renderUnversionedPostinstall(sdkVersion) {
+  const podsToChangeDeployTarget = [
+    'Amplitude-iOS',
+    'Analytics',
+    'AppAuth',
+    'Branch',
+    'CocoaLumberjack',
+    'FBSDKCoreKit',
+    'FBSDKLoginKit',
+    'FBSDKShareKit',
+    'GPUImage',
+    'JKBigInteger2',
+  ];
+  const podsToChangeRB = `[${podsToChangeDeployTarget.map(pod => `'${pod}'`).join(',')}]`;
+  const sdkMajorVersion = parseSdkMajorVersion(sdkVersion);
+  const podNameExpression = sdkMajorVersion < 33 ? 'target.pod_name' : 'pod_name';
+  const targetExpression = sdkMajorVersion < 33 ? 'target' : 'target_installation_result';
+
+  // SDK41 drops support for iOS 10.0
+  const deploymentTarget = sdkMajorVersion > 40 ? '11.0' : '10.0';
+
+  const podsToChangeDeployTargetIfStart =
+    sdkMajorVersion <= 33 ? `      if ${podsToChangeRB}.include? ${podNameExpression}` : '';
+  const podsToChangeDeployTargetIfEnd = sdkMajorVersion <= 33 ? '      end' : '';
+  const gccPreprocessorDefinitionsCondition =
+    sdkMajorVersion < 36
+      ? `${podNameExpression} == 'React'`
+      : `${podNameExpression}.start_with?('React')`;
+
+  return `
+${podsToChangeDeployTargetIfStart}
+      ${targetExpression}.native_target.build_configurations.each do |config|
+        config.build_settings['IPHONEOS_DEPLOYMENT_TARGET'] = '${deploymentTarget}'
+      end
+${podsToChangeDeployTargetIfEnd}
+
+      # Can't specify this in the React podspec because we need to use those podspecs for detached
+      # projects which don't reference ExponentCPP.
+      if ${podNameExpression}.start_with?('React')
+        ${targetExpression}.native_target.build_configurations.each do |config|
+          config.build_settings['IPHONEOS_DEPLOYMENT_TARGET'] = '${deploymentTarget}'
+          config.build_settings['HEADER_SEARCH_PATHS'] ||= ['$(inherited)']
+        end
+      end
+
+      # Build React Native with RCT_DEV enabled and RCT_ENABLE_INSPECTOR and
+      # RCT_ENABLE_PACKAGER_CONNECTION disabled
+      next unless ${gccPreprocessorDefinitionsCondition}
+      ${targetExpression}.native_target.build_configurations.each do |config|
+        config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] ||= ['$(inherited)']
+        config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] << 'RCT_DEV=1'
+        config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] << 'RCT_ENABLE_INSPECTOR=0'
+        config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] << 'ENABLE_PACKAGER_CONNECTION=0'
+      end
+`;
+}
+
+function _renderTestTarget(reactNativePath) {
+  return `
+  target 'ExponentIntegrationTests' do
+    inherit! :search_paths
+  end
+
+  target 'Tests' do
+    inherit! :search_paths
+  end
+`;
+}
+
+async function _renderPodDependenciesAsync(dependenciesConfigPath, options) {
+  const dependencies = await new JsonFile(dependenciesConfigPath).readAsync();
+  const type = options.isPodfile ? 'pod' : 'ss.dependency';
+  const noWarningsFlag = options.isPodfile ? `, :inhibit_warnings => true` : '';
+  const depsStrings = dependencies.map(dependency => {
+    let builder = '';
+    if (dependency.comments) {
+      builder += dependency.comments.map(commentLine => `  # ${commentLine}`).join('\n');
+      builder += '\n';
+    }
+    const otherPodfileFlags = options.isPodfile && dependency.otherPodfileFlags;
+    builder += `  ${type} '${dependency.name}', '${dependency.version}'${noWarningsFlag}${
+      otherPodfileFlags || ''
+    }`;
+    return builder;
+  });
+  return depsStrings.join('\n');
+}
+
+async function renderExpoKitPodspecAsync(pathToTemplate, pathToOutput, moreSubstitutions) {
+  const templatesDirectory = path.dirname(pathToTemplate);
+  const templateString = await fs.readFile(pathToTemplate, 'utf8');
+  const dependencies = await _renderPodDependenciesAsync(
+    path.join(templatesDirectory, 'dependencies.json'),
+    { isPodfile: false }
+  );
+  let result = templateString.replace(/\$\{IOS_EXPOKIT_DEPS\}/g, indentString(dependencies, 2));
+  if (moreSubstitutions && moreSubstitutions.IOS_EXPONENT_CLIENT_VERSION) {
+    result = result.replace(
+      /\$\{IOS_EXPONENT_CLIENT_VERSION\}/g,
+      moreSubstitutions.IOS_EXPONENT_CLIENT_VERSION
+    );
+  }
+
+  await fs.writeFile(pathToOutput, result);
+}
+
+function _renderUnversionedUniversalModulesDependencies(
+  universalModules,
+  universalModulesPath,
+  sdkVersion
+) {
+  const sdkMajorVersion = parseSdkMajorVersion(sdkVersion);
+
+  if (sdkMajorVersion >= 33) {
+    const excludedUnimodules = [
+      'expo-bluetooth',
+      'expo-in-app-purchases',
+      'expo-payments-stripe',
+      'expo-module-template',
+      'expo-image',
+    ];
+
+    if (sdkMajorVersion < 39) {
+      excludedUnimodules.push('expo-splash-screen', 'expo-updates');
+    }
+
+    const expoModulesThatAreNotUnimodules = [];
+    if (sdkMajorVersion >= 39) {
+      expoModulesThatAreNotUnimodules.push(
+        `pod 'EXRandom', path: '${universalModulesPath}/expo-random/ios'`
+      );
+    }
+
+    return indentString(
+      `
+# Install unimodules
+require_relative '../node_modules/react-native-unimodules/cocoapods.rb'
+use_unimodules!(
+  modules_paths: ['${universalModulesPath}'],
+  exclude: [
+    ${excludedUnimodules.map(module => `'${module}'`).join(',\n    ')}
+  ],
+)
+
+# Expo modules that are not unimodules
+${expoModulesThatAreNotUnimodules.join('\n')}
+`,
+      2
+    );
+  } else {
+    return indentString(
+      universalModules
+        .map(moduleInfo =>
+          _renderUnversionedUniversalModuleDependency(
+            moduleInfo.podName,
+            moduleInfo.path,
+            sdkVersion
+          )
+        )
+        .join('\n'),
+      2
+    );
+  }
+}
+
+function _renderUnversionedUniversalModuleDependency(podName, path, sdkVersion) {
+  const attributes = {
+    path,
+  };
+  return `pod '${podName}',
+${indentString(_renderDependencyAttributes(attributes), 2)}`;
+}
+
+/**
+ *  @param pathToTemplate path to template Podfile
+ *  @param pathToOutput path to render final Podfile
+ *  @param moreSubstitutions dictionary of additional substitution keys and values to replace
+ *         in the template, such as: TARGET_NAME, REACT_NATIVE_PATH
+ */
+async function renderPodfileAsync(
+  pathToTemplate,
+  pathToOutput,
+  moreSubstitutions,
+  shellAppSdkVersion,
+  sdkVersion = 'UNVERSIONED'
+) {
+  if (!moreSubstitutions) {
+    moreSubstitutions = {};
+  }
+  const templatesDirectory = path.dirname(pathToTemplate);
+  const templateString = await fs.readFile(pathToTemplate, 'utf8');
+
+  const reactNativePath = moreSubstitutions.REACT_NATIVE_PATH;
+  let rnDependencyOptions;
+  if (reactNativePath) {
+    rnDependencyOptions = { reactNativePath };
+  } else {
+    rnDependencyOptions = {};
+  }
+
+  const expoKitPath = moreSubstitutions.EXPOKIT_PATH;
+  const expoKitTag = moreSubstitutions.EXPOKIT_TAG;
+  let expoKitDependencyOptions = {};
+  if (expoKitPath) {
+    expoKitDependencyOptions = { expoKitPath };
+  } else if (expoKitTag) {
+    expoKitDependencyOptions = { expoKitTag };
+  }
+
+  let versionedRnPath = moreSubstitutions.VERSIONED_REACT_NATIVE_PATH;
+  if (!versionedRnPath) {
+    versionedRnPath = './versioned-react-native';
+  }
+  let rnExpoSubspecs = moreSubstitutions.REACT_NATIVE_EXPO_SUBSPECS;
+  if (!rnExpoSubspecs) {
+    rnExpoSubspecs = ['Expo'];
+  }
+
+  const versionedDependencies = await _renderVersionedReactNativeDependenciesAsync(
+    templatesDirectory,
+    versionedRnPath,
+    rnExpoSubspecs,
+    shellAppSdkVersion
+  );
+  const versionedPostinstalls = await _renderVersionedReactNativePostinstallsAsync(
+    templatesDirectory,
+    shellAppSdkVersion
+  );
+  const podDependencies = await _renderPodDependenciesAsync(
+    path.join(templatesDirectory, 'dependencies.json'),
+    { isPodfile: true }
+  );
+
+  let universalModules = moreSubstitutions.UNIVERSAL_MODULES;
+  if (!universalModules) {
+    universalModules = [];
+  }
+
+  const substitutions = {
+    EXPONENT_CLIENT_DEPS: podDependencies,
+    EXPOKIT_DEPENDENCY: _renderExpoKitDependency(expoKitDependencyOptions, sdkVersion),
+    PODFILE_UNVERSIONED_EXPO_MODULES_DEPENDENCIES: _renderUnversionedUniversalModulesDependencies(
+      universalModules,
+      moreSubstitutions.UNIVERSAL_MODULES_PATH,
+      sdkVersion
+    ),
+    PODFILE_UNVERSIONED_RN_DEPENDENCY: _renderUnversionedReactNativeDependency(
+      rnDependencyOptions,
+      sdkVersion
+    ),
+    PODFILE_UNVERSIONED_POSTINSTALL: _renderUnversionedPostinstall(sdkVersion),
+    PODFILE_DETACHED_POSTINSTALL: _renderDetachedPostinstall(sdkVersion, false),
+    PODFILE_DETACHED_SERVICE_POSTINSTALL: _renderDetachedPostinstall(sdkVersion, true),
+    PODFILE_VERSIONED_RN_DEPENDENCIES: versionedDependencies,
+    PODFILE_VERSIONED_POSTINSTALLS: versionedPostinstalls,
+    PODFILE_TEST_TARGET: shellAppSdkVersion ? '' : _renderTestTarget(reactNativePath),
+    ...moreSubstitutions,
+  };
+  _validatePodfileSubstitutions(substitutions);
+
+  let result = templateString;
+  for (const key in substitutions) {
+    if (substitutions.hasOwnProperty(key)) {
+      const replacement = substitutions[key];
+      result = result.replace(new RegExp(`\\$\\{${key}\\}`, 'g'), replacement);
+    }
+  }
+
+  await fs.writeFile(pathToOutput, result);
+}
+
+export { renderExpoKitPodspecAsync, renderPodfileAsync };

src/xdl/detach/IosSetBundleIdentifier.ts

@@ -0,0 +1,89 @@
+import plist, { PlistObject } from '@expo/plist';
+import fs from 'fs';
+import { sync as globSync } from 'glob';
+import xcode from 'xcode';
+
+const defaultBundleId = '$(PRODUCT_BUNDLE_IDENTIFIER)';
+
+export function resetAllPlistBundleIdentifiers(projectRoot: string) {
+  const infoPlistPaths = globSync('ios/*/Info.plist', { absolute: true, cwd: projectRoot });
+
+  for (const plistPath of infoPlistPaths) {
+    resetPlistBundleIdentifier(plistPath);
+  }
+}
+
+export function resetPlistBundleIdentifier(plistPath: string) {
+  // Read Plist as source
+  const rawPlist = fs.readFileSync(plistPath, 'utf8');
+
+  const plistObject = plist.parse(rawPlist) as PlistObject;
+
+  if (plistObject.CFBundleIdentifier) {
+    // Maybe bail out
+    if (plistObject.CFBundleIdentifier === defaultBundleId) { return; }
+    // attempt to match default Info.plist format
+    const format = { pretty: true, indent: `\t` };
+
+    const xml = plist.build(
+      {
+        ...plistObject,
+        CFBundleIdentifier: defaultBundleId,
+      },
+      format,
+    );
+
+    if (xml !== rawPlist) {
+      fs.writeFileSync(plistPath, xml);
+    }
+  }
+}
+
+function filterComments([item]: any[]): boolean {
+  return !item.endsWith(`_comment`);
+}
+function filterConfig(input: any[]): boolean {
+  const {
+    1: { isa },
+  } = input;
+  return isa === 'XCBuildConfiguration';
+}
+function filterHosts(input: any[]): boolean {
+  const {
+    1: { buildSettings },
+  } = input;
+
+  return !buildSettings.TEST_HOST;
+}
+
+export function updateBundleIdentifierForPbxproj(pbxprojPath: string, bundleIdentifier: string) {
+  const project = xcode.project(pbxprojPath);
+  project.parseSync();
+
+  Object.entries(project.pbxXCBuildConfigurationSection())
+    .filter(filterComments)
+    .filter(filterConfig)
+    .filter(filterHosts)
+    .forEach(({ 1: { buildSettings } }: any) => {
+      if (buildSettings.PRODUCT_BUNDLE_IDENTIFIER === bundleIdentifier) {
+        return;
+      }
+
+      buildSettings.PRODUCT_BUNDLE_IDENTIFIER = `"${bundleIdentifier}"`;
+
+      const productName = bundleIdentifier.split('.').pop();
+      if (!productName?.includes('$')) {
+        buildSettings.PRODUCT_NAME = productName;
+      }
+    });
+  fs.writeFileSync(pbxprojPath, project.writeSync());
+}
+
+export function setBundleIdentifier(projectRoot: string, bundleIdentifier: string) {
+  // Get all pbx projects
+  const pbxprojPaths = globSync('ios/*/project.pbxproj', { absolute: true, cwd: projectRoot });
+
+  for (const pbxprojPath of pbxprojPaths) {
+    updateBundleIdentifierForPbxproj(pbxprojPath, bundleIdentifier);
+  }
+}

src/xdl/detach/IosShellApp.js

@@ -0,0 +1,371 @@
+import fs from 'fs-extra';
+import pascalCase from 'pascal-case';
+import path from 'path';
+import rimraf from 'rimraf';
+
+import {
+  getManifestAsync,
+  parseSdkMajorVersion,
+  spawnAsync,
+  spawnAsyncThrowError,
+} from './ExponentTools';
+import * as IosNSBundle from './IosNSBundle';
+import * as IosWorkspace from './IosWorkspace';
+import logger from './Logger';
+import StandaloneBuildFlags from './StandaloneBuildFlags';
+import StandaloneContext from './StandaloneContext';
+
+export const EXPOKIT_APP = 'ExpoKitApp';
+export const EXPONENT_APP = 'Exponent';
+
+function _validateCLIArgs(args) {
+  args.type = args.type || 'archive';
+  args.configuration = args.configuration || 'Release';
+  args.verbose = args.verbose || false;
+  args.testEnvironment = args.testEnvironment || 'none';
+
+  switch (args.type) {
+    case 'simulator': {
+      if (args.configuration !== 'Debug' && args.configuration !== 'Release') {
+        throw new Error(`Unsupported build configuration ${args.configuration}`);
+      }
+      break;
+    }
+    case 'archive': {
+      if (args.configuration !== 'Release') {
+        throw new Error('Release is the only supported configuration when archiving');
+      }
+      break;
+    }
+    case 'client':
+      break;
+    default: {
+      throw new Error(`Unsupported build type ${args.type}`);
+    }
+  }
+
+  switch (args.action) {
+    case 'configure': {
+      if (args.type === 'client') {
+        break;
+      }
+
+      if (!args.url) {
+        throw new Error('Must run with `--url MANIFEST_URL`');
+      }
+      if (!args.sdkVersion) {
+        throw new Error('Must run with `--sdkVersion SDK_VERSION`');
+      }
+      if (!args.archivePath) {
+        throw new Error(
+          'Need to provide --archivePath <path to existing archive for configuration>'
+        );
+      }
+      if (
+        args.testEnvironment !== 'local' &&
+        args.testEnvironment !== 'ci' &&
+        args.testEnvironment !== 'none'
+      ) {
+        throw new Error(`Unsupported test environment ${args.testEnvironment}`);
+      }
+      break;
+    }
+    case 'build': {
+      break;
+    }
+    case 'create-workspace': {
+      break;
+    }
+    default: {
+      throw new Error(`Unsupported build action ${args.action}`);
+    }
+  }
+
+  return args;
+}
+
+/**
+ *  Build the iOS workspace at the given path.
+ *  @return the path to the resulting build artifact
+ */
+async function _buildAsync(
+  projectName,
+  workspacePath,
+  configuration,
+  type,
+  relativeBuildDestination,
+  verbose,
+  useModernBuildSystem = false
+) {
+  const modernBuildSystemFragment = `-UseModernBuildSystem=${useModernBuildSystem ? 'YES' : 'NO'}`;
+  const buildDest = `${relativeBuildDestination}-${type}`;
+  let buildCmd = `set -o pipefail && xcodebuild -workspace ${projectName}.xcworkspace -scheme ${projectName} -configuration ${configuration} -derivedDataPath ${buildDest} ${modernBuildSystemFragment}`,
+    pathToArtifact;
+  if (type === 'simulator') {
+    buildCmd += ` -sdk iphonesimulator CODE_SIGN_IDENTITY="" CODE_SIGNING_REQUIRED=NO ARCHS="x86_64" ONLY_ACTIVE_ARCH=NO | xcpretty`;
+    pathToArtifact = path.join(
+      buildDest,
+      'Build',
+      'Products',
+      `${configuration}-iphonesimulator`,
+      `${projectName}.app`
+    );
+  } else if (type === 'archive') {
+    buildCmd += ` -sdk iphoneos -destination generic/platform=iOS archive -archivePath ${buildDest}/${projectName}.xcarchive CODE_SIGNING_ALLOWED=NO | xcpretty`;
+    pathToArtifact = path.join(buildDest, `${projectName}.xcarchive`);
+  } else {
+    throw new Error(`Unsupported build type: ${type}`);
+  }
+
+  logger.info(`Building iOS workspace at ${workspacePath} to ${buildDest}:\n`);
+  logger.info(buildCmd);
+  if (!verbose) {
+    logger.info(
+      '\nxcodebuild is running. Logging errors only. To see full output, use --verbose 1...'
+    );
+  }
+  await spawnAsyncThrowError(buildCmd, null, {
+    // only stderr
+    stdio: verbose ? 'inherit' : ['ignore', 'ignore', 'inherit'],
+    cwd: workspacePath,
+    shell: true,
+  });
+  return path.resolve(workspacePath, pathToArtifact);
+}
+
+async function _podInstallAsync(workspacePath, isRepoUpdateEnabled) {
+  // ensure pods are clean
+  const pathsToClean = [path.join(workspacePath, 'Pods'), path.join(workspacePath, 'Podfile.lock')];
+  pathsToClean.forEach(path => {
+    if (fs.existsSync(path)) {
+      rimraf.sync(path);
+    }
+  });
+
+  // Disable cocoapod stats to speed up the install
+  const COCOAPODS_DISABLE_STATS = process.env.COCOAPODS_DISABLE_STATS;
+  process.env.COCOAPODS_DISABLE_STATS = true;
+
+  // install
+  const cocoapodsArgs = ['install'];
+  if (isRepoUpdateEnabled) {
+    cocoapodsArgs.push('--repo-update');
+  }
+  logger.info('Installing iOS workspace dependencies...');
+  logger.info(`pod ${cocoapodsArgs.join(' ')}`);
+  try {
+    await spawnAsyncThrowError('pod', cocoapodsArgs, {
+      stdio: 'inherit',
+      cwd: workspacePath,
+    });
+  } finally {
+    // Revert the stats to the user preference
+    process.env.COCOAPODS_DISABLE_STATS = COCOAPODS_DISABLE_STATS;
+  }
+}
+
+/**
+ * @param workspacePath optionally provide a path for the unbuilt xcode workspace to create/use.
+ * @param expoSourcePath path to expo client app sourcecode (/ios dir from expo/expo repo)
+ * @param shellAppSdkVersion sdk version for shell app
+ */
+async function _createStandaloneContextAsync(args) {
+  // right now we only ever build a single detached workspace for service contexts.
+  // TODO: support multiple different pod configurations, assemble a cache of those builds.
+  const expoSourcePath = args.expoSourcePath || '../ios';
+  let workspaceSourcePath;
+  if (args.workspacePath) {
+    workspaceSourcePath = args.workspacePath;
+  } else {
+    workspaceSourcePath = path.join(expoSourcePath, '..', 'shellAppWorkspaces', 'default', 'ios');
+  }
+  const { privateConfigFile, privateConfigData } = args;
+
+  let privateConfig;
+  if (privateConfigData) {
+    privateConfig = privateConfigData;
+  } else if (privateConfigFile) {
+    const privateConfigContents = await fs.readFile(privateConfigFile, 'utf8');
+    privateConfig = JSON.parse(privateConfigContents);
+  }
+
+  let manifest;
+  if (args.manifest) {
+    manifest = args.manifest;
+    logger
+      .withFields({ buildPhase: 'reading manifest' })
+      .info('Using manifest:', JSON.stringify(manifest));
+  } else if (args.url && args.sdkVersion) {
+    const { url, sdkVersion, releaseChannel } = args;
+    manifest = await getManifestAsync(url, {
+      'Exponent-SDK-Version': sdkVersion,
+      'Exponent-Platform': 'ios',
+      'Expo-Release-Channel': releaseChannel ? releaseChannel : 'default',
+      Accept: 'application/expo+json,application/json',
+    });
+  }
+
+  let bundleExecutable = args.type === 'client' ? EXPONENT_APP : EXPOKIT_APP;
+  if (manifest?.ios?.infoPlist?.CFBundleExecutable) {
+    bundleExecutable = manifest.ios.infoPlist.CFBundleExecutable;
+  } else if (privateConfig?.bundleIdentifier) {
+    bundleExecutable = pascalCase(privateConfig.bundleIdentifier);
+  }
+
+  const buildFlags = StandaloneBuildFlags.createIos(args.configuration, {
+    workspaceSourcePath,
+    appleTeamId: args.appleTeamId,
+    buildType: args.type,
+    bundleExecutable,
+  });
+  const context = StandaloneContext.createServiceContext(
+    expoSourcePath,
+    args.archivePath,
+    manifest,
+    privateConfig,
+    args.testEnvironment,
+    buildFlags,
+    args.url,
+    args.releaseChannel,
+    args.shellAppSdkVersion
+  );
+  return context;
+}
+
+/**
+ * possible args:
+ *  @param url manifest url for shell experience
+ *  @param sdkVersion sdk to use when requesting the manifest
+ *  @param releaseChannel channel to pull manifests from, default is 'default'
+ *  @param archivePath path to existing NSBundle to configure
+ *  @param privateConfigFile path to a private config file containing, e.g., private api keys
+ *  @param appleTeamId Apple Developer's account Team ID
+ *  @param output specify the output path of the configured archive (ie) /tmp/my-app-archive-build.xcarchive or /tmp/my-app-ios-build.tar.gz
+ *  @param type type of artifact to configure (simulator or archive)
+ *  @param expoSourcePath path to expo client app sourcecode (/ios dir from expo/expo repo)
+ */
+async function configureAndCopyArchiveAsync(args) {
+  args = _validateCLIArgs(args);
+  const { output, type } = args;
+  const context = await _createStandaloneContextAsync(args);
+  await IosNSBundle.configureAsync(context);
+  if (output) {
+    const workspaceName = type === 'client' ? EXPONENT_APP : EXPOKIT_APP;
+    if (context.build.ios.bundleExecutable !== workspaceName) {
+      await spawnAsync('/bin/mv', [workspaceName, context.build.ios.bundleExecutable], {
+        pipeToLogger: true,
+        cwd: context.data.archivePath,
+        loggerFields: { buildPhase: 'renaming bundle executable' },
+      });
+    }
+    if (type === 'simulator') {
+      const archiveName = context.config.slug.replace(/[^0-9a-z_-]/gi, '_');
+      const appReleasePath = path.resolve(context.data.archivePath, '..');
+      await spawnAsync(
+        `mv ${workspaceName}.app ${archiveName}.app && tar -czvf ${output} ${archiveName}.app`,
+        null,
+        {
+          stdoutOnly: true,
+          pipeToLogger: true,
+          loggerFields: { buildPhase: 'creating an archive for simulator' },
+          cwd: appReleasePath,
+          shell: true,
+        }
+      );
+    } else if (type === 'archive' || type === 'client') {
+      await spawnAsync('/bin/mv', [`${workspaceName}.xcarchive`, output], {
+        pipeToLogger: true,
+        cwd: path.join(context.data.archivePath, '../../../..'),
+        loggerFields: { buildPhase: 'renaming archive' },
+      });
+    }
+  }
+  return context.data.manifest;
+}
+
+/**
+ * possible args:
+ *  @param skipRepoUpdate if true, omit `--repo-update` cocoapods flag.
+ */
+async function _createTurtleWorkspaceAsync(context, args) {
+  const { skipRepoUpdate } = args;
+  if (fs.existsSync(context.build.ios.workspaceSourcePath)) {
+    logger.info(`Removing existing workspace at ${context.build.ios.workspaceSourcePath}...`);
+    try {
+      rimraf.sync(context.build.ios.workspaceSourcePath);
+    } catch {}
+  }
+  await IosWorkspace.createDetachedAsync(context);
+  await _podInstallAsync(context.build.ios.workspaceSourcePath, !skipRepoUpdate);
+}
+
+/**
+ * External-facing version can be used to create a turtle workspace without building it.
+ * Probably only useful for local testing.
+ *
+ * @param workspacePath (optional) provide some other path to create the workspace besides the default
+ * @param url (optional, with sdkVersion) url to an expo manifest, if you want the workspace to be configured automatically
+ * @param sdkVersion (optional, with url) sdkVersion to an expo manifest, if you want the workspace to be configured automatically
+ */
+async function createTurtleWorkspaceAsync(args) {
+  args = _validateCLIArgs(args);
+  if (!args.workspacePath) {
+    logger.info(
+      'No workspace path was provided with --workspacePath, so the default will be used.'
+    );
+  }
+  const context = await _createStandaloneContextAsync(args);
+  await _createTurtleWorkspaceAsync(context, args);
+  logger.info(
+    `Created turtle workspace at ${context.build.ios.workspaceSourcePath}. You can open and run this in Xcode.`
+  );
+  if (context.config) {
+    await IosNSBundle.configureAsync(context);
+    logger.info(
+      `The turtle workspace was configured for the url ${args.url}. To run this app with a Debug scheme, make sure to add a development url to 'EXBuildConstants.plist'.`
+    );
+  } else {
+    logger.info(
+      `You can specify --url <manifestUrl> --sdkVersion <version> to configure this workspace as a particular Expo app.\n\nBecause those arguments were omitted, the workspace has not been configured. It will compile but not run. The minimum configuration to get something running is to specify a manifest url in 'EXShell.plist' (for Release builds) or 'EXBuildConstants.plist' (for Debug builds).`
+    );
+  }
+}
+
+/**
+ * possible args:
+ *  @param configuration StandaloneBuildConfiguration (Debug or Release)
+ *  @param verbose show all xcodebuild output (default false)
+ *  @param reuseWorkspace if true, when building, assume a detached workspace already exists rather than creating a new one.
+ *  @param type type of artifact to build (simulator or archive)
+ *  @param shellAppSdkVersion sdk version for shell app
+ */
+async function buildAndCopyArtifactAsync(args) {
+  args = _validateCLIArgs(args);
+  const context = await _createStandaloneContextAsync(args);
+  const { verbose, type, reuseWorkspace } = args;
+  const { projectName } = IosWorkspace.getPaths(context);
+
+  if (!reuseWorkspace) {
+    await _createTurtleWorkspaceAsync(context, args);
+  }
+  const pathToArtifact = await _buildAsync(
+    projectName,
+    context.build.ios.workspaceSourcePath,
+    context.build.configuration,
+    type,
+    path.relative(context.build.ios.workspaceSourcePath, './shellAppBase'),
+    verbose,
+    parseSdkMajorVersion(args.shellAppSdkVersion) > 33
+  );
+  const artifactDestPath = path.join('./shellAppBase-builds', type, context.build.configuration);
+  logger.info(`\nFinished building, copying artifact to ${path.resolve(artifactDestPath)}...`);
+  if (fs.existsSync(artifactDestPath)) {
+    await spawnAsyncThrowError('/bin/rm', ['-rf', artifactDestPath]);
+  }
+  logger.info(`mkdir -p ${artifactDestPath}`);
+  await spawnAsyncThrowError('/bin/mkdir', ['-p', artifactDestPath]);
+  logger.info(`cp -R ${pathToArtifact} ${artifactDestPath}`);
+  await spawnAsyncThrowError('/bin/cp', ['-R', pathToArtifact, artifactDestPath]);
+}
+
+export { buildAndCopyArtifactAsync, configureAndCopyArchiveAsync, createTurtleWorkspaceAsync };

src/xdl/detach/IosWorkspace.js

@@ -0,0 +1,448 @@
+import { Api, Versions } from '@expo/xdl';
+import assert from 'assert';
+import fs from 'fs-extra';
+import path from 'path';
+import rimraf from 'rimraf';
+
+import * as Modules from '../modules/Modules';
+import {
+  isDirectory,
+  parseSdkMajorVersion,
+  rimrafDontThrow,
+  spawnAsyncThrowError,
+  transformFileContentsAsync,
+} from './ExponentTools';
+import installPackagesAsync from './installPackagesAsync';
+import * as IosPlist from './IosPlist';
+import { renderPodfileAsync } from './IosPodsTools.js';
+import logger from './Logger';
+import * as Utils from './Utils';
+
+export { setBundleIdentifier } from './IosSetBundleIdentifier';
+
+async function _getVersionedExpoKitConfigAsync(sdkVersion, skipServerValidation) {
+  const versions = await Versions.versionsAsync();
+  let sdkVersionConfig = versions.sdkVersions[sdkVersion];
+  if (!sdkVersionConfig) {
+    if (skipServerValidation) {
+      sdkVersionConfig = {};
+    } else {
+      throw new Error(`Unsupported SDK version: ${sdkVersion}`);
+    }
+  }
+  const { iosVersion, iosExpoViewUrl } = sdkVersionConfig;
+  const iosClientVersion = iosVersion ? iosVersion : versions.iosVersion;
+  return {
+    iosClientVersion,
+    iosExpoViewUrl,
+  };
+}
+
+async function _getOrCreateTemplateDirectoryAsync(context, iosExpoViewUrl) {
+  if (context.type === 'service') {
+    return path.join(context.data.expoSourcePath, '..');
+  } else if (context.type === 'user') {
+    let expoRootTemplateDirectory;
+    if (process.env.EXPO_VIEW_DIR) {
+      // Only for testing
+      expoRootTemplateDirectory = process.env.EXPO_VIEW_DIR;
+    } else {
+      // HEY: if you need other paths into the extracted archive, be sure and include them
+      // when the archive is generated in `ios/pipeline.js`
+      expoRootTemplateDirectory = path.join(context.data.projectPath, 'temp-ios-directory');
+      if (!isDirectory(expoRootTemplateDirectory)) {
+        fs.mkdirpSync(expoRootTemplateDirectory);
+        logger.info('Downloading iOS code...');
+        assert(iosExpoViewUrl, `The URL for ExpoKit iOS must be set`);
+        await Api.downloadAsync(iosExpoViewUrl, expoRootTemplateDirectory, {
+          extract: true,
+        });
+      }
+    }
+    return expoRootTemplateDirectory;
+  }
+}
+
+async function _renameAndMoveProjectFilesAsync(context, projectDirectory, projectName) {
+  // remove .gitignore, as this actually pertains to internal expo template management
+  try {
+    const gitIgnorePath = path.join(projectDirectory, '.gitignore');
+    if (fs.existsSync(gitIgnorePath)) {
+      rimraf.sync(gitIgnorePath);
+    }
+  } catch (e) {}
+
+  const filesToTransform = [
+    path.join('exponent-view-template.xcodeproj', 'project.pbxproj'),
+    path.join('exponent-view-template.xcworkspace', 'contents.xcworkspacedata'),
+    path.join(
+      'exponent-view-template.xcodeproj',
+      'xcshareddata',
+      'xcschemes',
+      'exponent-view-template.xcscheme'
+    ),
+  ];
+
+  let bundleIdentifier;
+  if (context.type === 'user') {
+    const exp = context.data.exp;
+    bundleIdentifier = exp.ios && exp.ios.bundleIdentifier ? exp.ios.bundleIdentifier : null;
+    if (!bundleIdentifier) {
+      throw new Error(`Cannot configure an ExpoKit workspace with no iOS bundle identifier.`);
+    }
+  } else if (context.type === 'service') {
+    bundleIdentifier = 'host.exp.Exponent';
+  }
+
+  await Promise.all(
+    filesToTransform.map(fileName =>
+      transformFileContentsAsync(path.join(projectDirectory, fileName), fileString => {
+        return fileString
+          .replace(/com.getexponent.exponent-view-template/g, bundleIdentifier)
+          .replace(/exponent-view-template/g, projectName);
+      })
+    )
+  );
+
+  // order of this array matters
+  const filesToMove = [
+    'exponent-view-template',
+    path.join(
+      'exponent-view-template.xcodeproj',
+      'xcshareddata',
+      'xcschemes',
+      'exponent-view-template.xcscheme'
+    ),
+    'exponent-view-template.xcodeproj',
+    'exponent-view-template.xcworkspace',
+  ];
+
+  filesToMove.forEach(async fileName => {
+    const destFileName = path.join(
+      path.dirname(fileName),
+      `${projectName}${path.extname(fileName)}`
+    );
+    await spawnAsyncThrowError('/bin/mv', [
+      path.join(projectDirectory, fileName),
+      path.join(projectDirectory, destFileName),
+    ]);
+  });
+}
+
+async function _configureVersionsPlistAsync(configFilePath, standaloneSdkVersion) {
+  await IosPlist.modifyAsync(configFilePath, 'EXSDKVersions', versionConfig => {
+    versionConfig.sdkVersions = [standaloneSdkVersion];
+    versionConfig.detachedNativeVersions = {
+      shell: standaloneSdkVersion,
+      kernel: standaloneSdkVersion,
+    };
+    return versionConfig;
+  });
+}
+
+async function _configureBuildConstantsPlistAsync(configFilePath, context) {
+  await IosPlist.modifyAsync(configFilePath, 'EXBuildConstants', constantsConfig => {
+    constantsConfig.STANDALONE_CONTEXT_TYPE = context.type;
+    return constantsConfig;
+  });
+}
+
+async function _renderPodfileFromTemplateAsync(
+  context,
+  expoRootTemplateDirectory,
+  sdkVersion,
+  iosClientVersion
+) {
+  const { iosProjectDirectory, projectName } = getPaths(context);
+  let podfileTemplateFilename;
+  const podfileSubstitutions = {
+    TARGET_NAME: projectName,
+  };
+  let reactNativeDependencyPath;
+  let modulesPath;
+
+  const detachableUniversalModules = Modules.getDetachableModules(
+    'ios',
+    context.data.shellAppSdkVersion || sdkVersion
+  );
+  if (context.type === 'user') {
+    assert(iosClientVersion, `The iOS client version must be specified`);
+    reactNativeDependencyPath = path.join(context.data.projectPath, 'node_modules', 'react-native');
+    modulesPath = path.join(context.data.projectPath, 'node_modules');
+
+    podfileSubstitutions.EXPOKIT_TAG = `ios/${iosClientVersion}`;
+    podfileTemplateFilename = 'ExpoKit-Podfile';
+  } else if (context.type === 'service') {
+    reactNativeDependencyPath = path.join(
+      expoRootTemplateDirectory,
+      'react-native-lab',
+      'react-native'
+    );
+    modulesPath = path.join(expoRootTemplateDirectory, 'packages');
+
+    podfileSubstitutions.EXPOKIT_PATH = path.relative(
+      iosProjectDirectory,
+      expoRootTemplateDirectory
+    );
+    podfileSubstitutions.VERSIONED_REACT_NATIVE_PATH = path.relative(
+      iosProjectDirectory,
+      path.join(expoRootTemplateDirectory, 'ios', 'versioned-react-native')
+    );
+    podfileTemplateFilename = 'ExpoKit-Podfile-versioned';
+  } else {
+    throw new Error(`Unsupported context type: ${context.type}`);
+  }
+  podfileSubstitutions.REACT_NATIVE_PATH = path.relative(
+    iosProjectDirectory,
+    reactNativeDependencyPath
+  );
+  podfileSubstitutions.UNIVERSAL_MODULES_PATH = path.relative(iosProjectDirectory, modulesPath);
+  podfileSubstitutions.UNIVERSAL_MODULES = detachableUniversalModules.map(module => ({
+    ...module,
+    path: path.join(
+      podfileSubstitutions.UNIVERSAL_MODULES_PATH,
+      module.libName,
+      module.subdirectory
+    ),
+  }));
+
+  // env flags for testing
+  if (process.env.EXPOKIT_TAG_IOS) {
+    logger.info(`EXPOKIT_TAG_IOS: Using custom ExpoKit iOS tag...`);
+    podfileSubstitutions.EXPOKIT_TAG = process.env.EXPOKIT_TAG_IOS;
+  } else if (process.env.EXPO_VIEW_DIR) {
+    logger.info('EXPO_VIEW_DIR: Using local ExpoKit source for iOS...');
+    podfileSubstitutions.EXPOKIT_PATH = path.relative(
+      iosProjectDirectory,
+      process.env.EXPO_VIEW_DIR
+    );
+    // If EXPO_VIEW_DIR is defined overwrite UNIVERSAL_MODULES with paths pointing to EXPO_VIEW_DIR
+    podfileSubstitutions.UNIVERSAL_MODULES = podfileSubstitutions.UNIVERSAL_MODULES.map(module => ({
+      ...module,
+      path: path.relative(
+        iosProjectDirectory,
+        path.join(process.env.EXPO_VIEW_DIR, 'packages', module.libName, module.subdirectory)
+      ),
+    }));
+  }
+  const templatePodfilePath = path.join(
+    expoRootTemplateDirectory,
+    'template-files',
+    'ios',
+    podfileTemplateFilename
+  );
+  await renderPodfileAsync(
+    templatePodfilePath,
+    path.join(iosProjectDirectory, 'Podfile'),
+    podfileSubstitutions,
+    context.data.shellAppSdkVersion,
+    sdkVersion
+  );
+}
+
+async function createDetachedAsync(context) {
+  const { iosProjectDirectory, projectName, supportingDirectory, projectRootDirectory } = getPaths(
+    context
+  );
+  logger.info(`Creating ExpoKit workspace at ${iosProjectDirectory}...`);
+
+  const standaloneSdkVersion = await getNewestSdkVersionSupportedAsync(context);
+
+  let iosClientVersion;
+  let iosExpoViewUrl;
+  if (context.type === 'user') {
+    ({ iosClientVersion, iosExpoViewUrl } = await _getVersionedExpoKitConfigAsync(
+      standaloneSdkVersion,
+      process.env.EXPO_VIEW_DIR
+    ));
+  }
+
+  const expoRootTemplateDirectory = await _getOrCreateTemplateDirectoryAsync(
+    context,
+    iosExpoViewUrl
+  );
+
+  // copy template workspace
+  logger.info('Moving iOS project files...');
+  logger.info('Attempting to create project directory...');
+  fs.mkdirpSync(iosProjectDirectory);
+  logger.info('Created project directory! Copying files:');
+  await Utils.ncpAsync(
+    path.join(expoRootTemplateDirectory, 'exponent-view-template', 'ios'),
+    iosProjectDirectory
+  );
+
+  const projectPackageJsonPath = path.join(projectRootDirectory, 'package.json');
+
+  if (!(await fs.exists(projectPackageJsonPath))) {
+    logger.info('Copying blank package.json...');
+    await fs.copy(
+      path.join(expoRootTemplateDirectory, 'exponent-view-template', 'package.json'),
+      projectPackageJsonPath
+    );
+  }
+
+  logger.info('Installing required packages...');
+  await _installRequiredPackagesAsync(projectRootDirectory, standaloneSdkVersion);
+
+  logger.info('Naming iOS project...');
+  await _renameAndMoveProjectFilesAsync(context, iosProjectDirectory, projectName);
+
+  logger.info('Configuring iOS dependencies...');
+  // this configuration must happen prior to build time because it affects which
+  // native versions of RN we depend on.
+  await _configureVersionsPlistAsync(supportingDirectory, standaloneSdkVersion);
+  await _configureBuildConstantsPlistAsync(supportingDirectory, context);
+  await _renderPodfileFromTemplateAsync(
+    context,
+    expoRootTemplateDirectory,
+    standaloneSdkVersion,
+    iosClientVersion
+  );
+
+  if (!process.env.EXPO_VIEW_DIR) {
+    if (context.type === 'user') {
+      rimrafDontThrow(expoRootTemplateDirectory);
+    }
+    await IosPlist.cleanBackupAsync(supportingDirectory, 'EXSDKVersions', false);
+  }
+}
+
+async function _getPackagesToInstallWhenEjecting(sdkVersion) {
+  const versions = await Versions.versionsAsync();
+  return versions.sdkVersions[sdkVersion]
+    ? versions.sdkVersions[sdkVersion].packagesToInstallWhenEjecting
+    : null;
+}
+
+// @tsapeta: Temporarily copied from Detach._detachAsync. This needs to be invoked also when creating a shell app workspace
+// and not only when ejecting. These copies can be moved to one place if we decide to have just one flow for these two processes.
+async function _installRequiredPackagesAsync(projectRoot, sdkVersion) {
+  const packagesToInstallWhenEjecting = await _getPackagesToInstallWhenEjecting(sdkVersion);
+  const packagesToInstall = [];
+
+  if (packagesToInstallWhenEjecting && typeof packagesToInstallWhenEjecting === 'object') {
+    Object.keys(packagesToInstallWhenEjecting).forEach(packageName => {
+      packagesToInstall.push(`${packageName}@${packagesToInstallWhenEjecting[packageName]}`);
+    });
+  }
+  if (packagesToInstall.length) {
+    await installPackagesAsync(projectRoot, packagesToInstall);
+  }
+}
+
+function addDetachedConfigToExp(exp, context) {
+  if (context.type !== 'user') {
+    logger.warn(`Tried to modify exp for a non-user StandaloneContext, ignoring`);
+    return exp;
+  }
+  const { supportingDirectory } = getPaths(context);
+  exp.ios.publishBundlePath = path.relative(
+    context.data.projectPath,
+    path.join(supportingDirectory, 'shell-app.bundle')
+  );
+  exp.ios.publishManifestPath = path.relative(
+    context.data.projectPath,
+    path.join(supportingDirectory, 'shell-app-manifest.json')
+  );
+  return exp;
+}
+
+/**
+ *  paths returned:
+ *    iosProjectDirectory - root directory of an (uncompiled) xcworkspace and obj-c source tree
+ *    projectName - xcworkspace project name normalized from context.config
+ *    supportingDirectory - location of Info.plist, xib files, etc. during configuration.
+ *      for an unbuilt app this is underneath iosProjectDirectory. for a compiled app it's just
+ *      a path to the flat xcarchive.
+ *    intermediatesDirectory - temporary spot to write whatever files are needed during the
+ *      detach/build process but can be discarded afterward.
+ */
+function getPaths(context) {
+  let iosProjectDirectory;
+  let projectName;
+  let supportingDirectory;
+  let projectRootDirectory;
+
+  if (context.build.isExpoClientBuild()) {
+    projectName = 'Exponent';
+  } else if (context.isAnonymous()) {
+    projectName = 'ExpoKitApp';
+  } else if (context.config && context.config.name) {
+    const projectNameLabel = context.config.name;
+    projectName = projectNameLabel.replace(/[^a-z0-9_-]/gi, '-').toLowerCase();
+  } else {
+    throw new Error('Cannot configure an Expo project with no name.');
+  }
+  if (context.type === 'user') {
+    projectRootDirectory = context.data.projectPath;
+    iosProjectDirectory = path.join(context.data.projectPath, 'ios');
+    supportingDirectory = path.join(iosProjectDirectory, projectName, 'Supporting');
+  } else if (context.type === 'service') {
+    projectRootDirectory = path.dirname(context.build.ios.workspaceSourcePath);
+    iosProjectDirectory = context.build.ios.workspaceSourcePath;
+    if (context.data.archivePath) {
+      // compiled archive has a flat NSBundle
+      supportingDirectory = context.data.archivePath;
+    } else {
+      supportingDirectory = path.join(iosProjectDirectory, projectName, 'Supporting');
+    }
+  } else {
+    throw new Error(`Unsupported StandaloneContext type: ${context.type}`);
+  }
+  // sandbox intermediates directory by workspace so that concurrently operating
+  // contexts do not interfere with one another.
+  const intermediatesDirectory = path.join(
+    iosProjectDirectory,
+    context.build.isExpoClientBuild() ? 'ExponentIntermediates' : 'ExpoKitIntermediates'
+  );
+  return {
+    projectRootDirectory,
+    intermediatesDirectory,
+    iosProjectDirectory,
+    projectName,
+    supportingDirectory,
+  };
+}
+
+/**
+ *  Get the newest sdk version supported given the standalone context.
+ *  Not all contexts support the newest sdk version.
+ */
+async function getNewestSdkVersionSupportedAsync(context) {
+  if (context.type === 'user') {
+    return context.data.exp.sdkVersion;
+  } else if (context.type === 'service') {
+    // when running in universe or on a turtle machine,
+    // we care about what sdk version is actually present in this working copy.
+    // this might not be the same thing deployed to our www Versions endpoint.
+    let { supportingDirectory } = getPaths(context);
+    if (!fs.existsSync(supportingDirectory)) {
+      // if we run this method before creating the workspace, we may need to look at the template.
+      supportingDirectory = path.join(
+        context.data.expoSourcePath,
+        '..',
+        'exponent-view-template',
+        'ios',
+        'exponent-view-template',
+        'Supporting'
+      );
+    }
+    let allVersions, newestVersion;
+    await IosPlist.modifyAsync(supportingDirectory, 'EXSDKVersions', versionConfig => {
+      allVersions = versionConfig.sdkVersions;
+      return versionConfig;
+    });
+    let highestMajorComponent = 0;
+    allVersions.forEach(version => {
+      const majorComponent = parseSdkMajorVersion(version);
+      if (majorComponent > highestMajorComponent) {
+        highestMajorComponent = majorComponent;
+        newestVersion = version;
+      }
+    });
+    return newestVersion;
+  }
+}
+
+export { addDetachedConfigToExp, createDetachedAsync, getPaths, getNewestSdkVersionSupportedAsync };

src/xdl/detach/Logger.ts

@@ -0,0 +1,131 @@
+import bunyan from '@expo/bunyan';
+import isEmpty from 'lodash/isEmpty';
+import isPlainObject from 'lodash/isPlainObject';
+import { Readable } from 'stream';
+
+export enum LogLevel {
+  trace = 'trace',
+  debug = 'debug',
+  info = 'info',
+  warn = 'warn',
+  error = 'error',
+  fatal = 'fatal',
+}
+
+type BunyanGetter = () => bunyan;
+
+export class Logger {
+  public loggerObj: bunyan;
+  public loggerGetter?: BunyanGetter;
+  public extraFields: any;
+
+  constructor(bunyanGetter?: BunyanGetter, extraFields?: any) {
+    this.loggerObj = bunyan.createLogger({ name: 'xdl-detach' });
+    this.loggerGetter = bunyanGetter;
+    this.extraFields = extraFields;
+  }
+
+  public configure(loggerObj: bunyan) {
+    this.loggerObj = loggerObj;
+  }
+
+  public withFields(extraFields: any) {
+    const getter = this.loggerGetter || (() => this.loggerObj);
+    return new Logger(getter, { ...this.extraFields, ...extraFields });
+  }
+
+  public trace(...all: any[]) {
+    this.logLine(LogLevel.trace, ...all);
+  }
+  public debug(...all: any[]) {
+    this.logLine(LogLevel.debug, ...all);
+  }
+  public info(...all: any[]) {
+    this.logLine(LogLevel.info, ...all);
+  }
+  public warn(...all: any[]) {
+    this.logLine(LogLevel.warn, ...all);
+  }
+  public error(...all: any[]) {
+    this.logLine(LogLevel.error, ...all);
+  }
+  public fatal(...all: any[]) {
+    this.logLine(LogLevel.fatal, ...all);
+  }
+
+  public logLine(level: LogLevel, ...args: any[]) {
+    const argsToLog = [...args];
+    const extraFieldsFromArgsExist = isPlainObject(args[0]);
+    const extraFieldsFromArgs = extraFieldsFromArgsExist ? args[0] : {};
+    if (extraFieldsFromArgsExist) {
+      argsToLog.shift();
+    }
+    const extraFields = { ...extraFieldsFromArgs, ...this.extraFields };
+    if (!isEmpty(extraFields)) {
+      argsToLog.unshift(extraFields);
+    }
+
+    if (this.loggerGetter) {
+      const loggerObj = this.loggerGetter();
+      // @ts-ignore: type mismatch
+      loggerObj[level](...argsToLog);
+    } else {
+      // @ts-ignore: type mismatch
+      this.loggerObj[level](...argsToLog);
+    }
+  }
+}
+
+const LoggerDetach = new Logger();
+export default LoggerDetach;
+
+export function pipeOutputToLogger(
+  { stdout, stderr }: { stdout?: Readable | null; stderr?: Readable | null } = {
+    stdout: null,
+    stderr: null,
+  },
+  extraFields = {},
+  {
+    stdoutOnly = false,
+    loggerLineTransformer,
+  }: { stdoutOnly?: boolean; loggerLineTransformer?: (line: any) => any } = {},
+) {
+  if (stdout) {
+    stdout.on('data', (chunk) =>
+      logMultiline(
+        chunk,
+        { ...extraFields, source: 'stdout' },
+        loggerLineTransformer,
+      ),
+    );
+  }
+  if (stderr) {
+    const source = stdoutOnly ? 'stdout' : 'stderr';
+    stderr.on('data', (chunk) =>
+      logMultiline(chunk, { ...extraFields, source }, loggerLineTransformer),
+    );
+  }
+}
+
+function logMultiline(
+  data: any,
+  extraFields: any,
+  loggerLineTransformer?: (line: any) => any,
+) {
+  if (!data) {
+    return;
+  }
+  const lines = String(data).split('\n');
+  lines.forEach((line) => {
+    const lineToPrint = loggerLineTransformer
+      ? loggerLineTransformer(line)
+      : line;
+    if (lineToPrint) {
+      const args = [lineToPrint];
+      if (!isEmpty(extraFields)) {
+        args.unshift(extraFields);
+      }
+      LoggerDetach.info(...args);
+    }
+  });
+}

src/xdl/detach/PKCS12Utils.ts

@@ -0,0 +1,50 @@
+import forge from 'node-forge';
+
+export function getP12CertFingerprint(
+  p12Buffer: Buffer | string,
+  passwordRaw: string | null,
+): string {
+  const certData = _getCertData(p12Buffer, passwordRaw);
+  const certAsn1 = forge.pki.certificateToAsn1(certData);
+  const certDer = forge.asn1.toDer(certAsn1).getBytes();
+  return forge.md.sha1.create().update(certDer).digest().toHex().toUpperCase();
+}
+
+export function findP12CertSerialNumber(
+  p12Buffer: Buffer | string,
+  passwordRaw: string | null,
+): string | null {
+  const { serialNumber } = getCertData(p12Buffer, passwordRaw);
+  return serialNumber;
+}
+
+function _processSerialNumber(maybeSerialNumber: string | null | undefined) {
+  return maybeSerialNumber ? maybeSerialNumber.replace(/^0+/, '').toUpperCase() : null;
+}
+
+export function getCertData(p12Buffer: Buffer | string, passwordRaw: string | null) {
+  const certData = _getCertData(p12Buffer, passwordRaw);
+  return {
+    ...certData,
+    serialNumber: _processSerialNumber(certData.serialNumber),
+  };
+}
+
+function _getCertData(p12Buffer: Buffer | string, passwordRaw: string | null) {
+  if (Buffer.isBuffer(p12Buffer)) {
+    p12Buffer = p12Buffer.toString('base64');
+  } else if (typeof p12Buffer !== 'string') {
+    throw new Error('_getCertData only takes strings and buffers.');
+  }
+
+  const password = String(passwordRaw || '');
+  const p12Der = forge.util.decode64(p12Buffer);
+  const p12Asn1 = forge.asn1.fromDer(p12Der);
+  const p12 = forge.pkcs12.pkcs12FromAsn1(p12Asn1, password);
+  const certBagType = forge.pki.oids.certBag;
+  const certData = p12.getBags({ bagType: certBagType })?.[certBagType]?.[0]?.cert;
+  if (!certData) {
+    throw new Error('_getCertData: couldn\'t find cert bag');
+  }
+  return certData;
+}

src/xdl/detach/StandaloneBuildFlags.ts

@@ -0,0 +1,53 @@
+/*
+ *  StandaloneBuildFlags is owned by a StandaloneContext and carries information about
+ *  how to compile native code during the build step.
+ */
+
+type StandaloneBuildConfiguration = 'Debug' | 'Release';
+interface IStandaloneBuildAndroidFlags {
+  keystore: string;
+  keystorePassword: string;
+  keyAlias: string;
+  keyPassword: string;
+  outputFile: string | null;
+}
+interface IStandaloneBuildIosFlags {
+  workspaceSourcePath: string;
+  appleTeamId: string | null;
+  buildType?: string;
+  bundleExecutable?: string;
+}
+
+class StandaloneBuildFlags {
+  public static createEmpty = () => {
+    return new StandaloneBuildFlags();
+  }
+
+  public static createIos = (
+    configuration: StandaloneBuildConfiguration,
+    ios?: IStandaloneBuildIosFlags,
+  ): StandaloneBuildFlags => {
+    const flags = new StandaloneBuildFlags();
+    flags.configuration = configuration;
+    flags.ios = ios;
+    flags.isExpoClientBuild = () => ios?.buildType === 'client';
+    return flags;
+  }
+
+  public static createAndroid = (
+    configuration: StandaloneBuildConfiguration,
+    android?: IStandaloneBuildAndroidFlags,
+  ): StandaloneBuildFlags => {
+    const flags = new StandaloneBuildFlags();
+    flags.configuration = configuration;
+    flags.android = android;
+    flags.isExpoClientBuild = () => false;
+    return flags;
+  }
+  public configuration: StandaloneBuildConfiguration = 'Debug';
+  public android?: IStandaloneBuildAndroidFlags;
+  public ios?: IStandaloneBuildIosFlags;
+  public isExpoClientBuild: () => boolean = () => false;
+}
+
+export default StandaloneBuildFlags;

src/xdl/detach/StandaloneContext.ts

@@ -0,0 +1,125 @@
+import StandaloneBuildFlags from './StandaloneBuildFlags';
+import { StandaloneContextService } from './StandaloneContextService';
+import { StandaloneContextUser } from './StandaloneContextUser';
+
+export type StandaloneContextDataType = 'user' | 'service';
+
+export type StandaloneContextTestEnvironment = 'none' | 'local' | 'ci';
+
+// currently unused
+export function isStandaloneContextDataUser(
+  value: any,
+): value is IStandaloneContextDataUser {
+  return value && typeof value.projectPath === 'string' && 'exp' in value;
+}
+
+export function isStandaloneContextTestEnvironment(
+  value: string,
+): value is StandaloneContextTestEnvironment {
+  return ['none', 'local', 'ci'].includes(value);
+}
+
+export function isStandaloneContextDataService(
+  value: any,
+): value is IStandaloneContextDataService {
+  return (
+    value &&
+    isStandaloneContextTestEnvironment(value.testEnvironment) &&
+    typeof value.expoSourcePath === 'string' &&
+    typeof value.shellAppSdkVersion === 'string'
+  );
+}
+
+/**
+ *  A user context is used when we are configuring a standalone app locally on a user's machine,
+ *  such as during `exp detach`.
+ */
+export interface IStandaloneContextDataUser {
+  projectPath: string;
+  exp: any;
+}
+
+/**
+ *  A service context is used when we are generating a standalone app remotely on an Expo
+ *  service machine, such as during `exp build`.
+ */
+export interface IStandaloneContextDataService {
+  expoSourcePath: string;
+  archivePath: string | null;
+  manifest: any;
+  privateConfig: any;
+  testEnvironment: StandaloneContextTestEnvironment;
+  shellAppSdkVersion: string;
+}
+
+export class StandaloneContext {
+  public static createUserContext = (
+    projectPath: string,
+    exp: any,
+    publishedUrl?: string,
+  ): StandaloneContextUser => {
+    const context = new StandaloneContextUser(
+      {
+        projectPath,
+        exp,
+      },
+      {
+        url: publishedUrl,
+        releaseChannel: 'default',
+      },
+      // we never expect to handle the build step for user contexts right now
+      StandaloneBuildFlags.createEmpty(),
+    );
+    context.config = exp;
+    return context;
+  }
+
+  public static createServiceContext = (
+    expoSourcePath: string,
+    archivePath: string | null,
+    manifest: any,
+    privateConfig: any,
+    testEnvironment: StandaloneContextTestEnvironment,
+    build: StandaloneBuildFlags,
+    publishedUrl: string,
+    releaseChannel: string,
+    shellAppSdkVersion: string,
+  ): StandaloneContextService => {
+    const context = new StandaloneContextService(
+      {
+        expoSourcePath,
+        archivePath,
+        manifest,
+        privateConfig,
+        testEnvironment,
+        shellAppSdkVersion,
+      },
+      {
+        url: publishedUrl,
+        releaseChannel: releaseChannel ? releaseChannel : 'default',
+      },
+      build,
+    );
+    context.config = manifest;
+
+    return context;
+  }
+  public data?: IStandaloneContextDataUser | IStandaloneContextDataService;
+  public config: any; // same as underlying app.json or manifest
+
+  /**
+   *  On iOS we begin configuring standalone apps before we have any information about the
+   *  project's manifest. By default let's treat all contexts as non-anonymous and override
+   *  it in contexts that needs this to be different.
+   */
+  public isAnonymous() {
+    return false;
+  }
+}
+export type AnyStandaloneContext =
+  | StandaloneContextUser
+  | StandaloneContextService;
+
+export default StandaloneContext;
+
+export { StandaloneContextService, StandaloneContextUser };

src/xdl/detach/StandaloneContextService.ts

@@ -0,0 +1,28 @@
+import StandaloneBuildFlags from './StandaloneBuildFlags';
+import {
+  IStandaloneContextDataService,
+  StandaloneContext,
+  StandaloneContextDataType,
+} from './StandaloneContext';
+
+export class StandaloneContextService extends StandaloneContext {
+  public type: StandaloneContextDataType = 'service';
+  constructor(
+    public data: IStandaloneContextDataService,
+    public published: {
+      url: string;
+      releaseChannel: string;
+    },
+    public build: StandaloneBuildFlags,
+  ) {
+    super();
+  }
+
+  /**
+   *  On iOS we begin configuring standalone apps before we have any information about the
+   *  project's manifest.
+   */
+  public isAnonymous() {
+    return true;
+  }
+}

src/xdl/detach/StandaloneContextUser.ts

@@ -0,0 +1,20 @@
+import StandaloneBuildFlags from './StandaloneBuildFlags';
+import {
+  IStandaloneContextDataUser,
+  StandaloneContext,
+  StandaloneContextDataType,
+} from './StandaloneContext';
+
+export class StandaloneContextUser extends StandaloneContext {
+  public type: StandaloneContextDataType = 'user';
+  constructor(
+    public data: IStandaloneContextDataUser,
+    public published: {
+      url?: string;
+      releaseChannel: 'default';
+    },
+    public build: StandaloneBuildFlags,
+  ) {
+    super();
+  }
+}

src/xdl/detach/Utils.ts

@@ -0,0 +1,17 @@
+import { ncp } from 'ncp';
+
+export function ncpAsync(
+  source: string,
+  dest: string,
+  options: any = {},
+): Promise<void> {
+  return new Promise((resolve, reject) => {
+    ncp(source, dest, options, (err: any) => {
+      if (err) {
+        reject(err);
+      } else {
+        resolve();
+      }
+    });
+  });
+}

src/xdl/detach/installPackagesAsync.ts

@@ -0,0 +1,52 @@
+import spawnAsync from '@expo/spawn-async';
+import fs from 'fs-extra';
+import path from 'path';
+import semver from 'semver';
+
+import logger from './Logger';
+
+export default async function installPackagesAsync(
+  projectDir: string,
+  packages: string[],
+  options: any = {},
+): Promise<void> {
+  let packageManager = 'npm';
+  if (options.packageManager) {
+    packageManager = options.packageManager;
+  } else {
+    const packageLockJsonExists: boolean = await fs.pathExists(
+      path.join(projectDir, 'package-lock.json'),
+    );
+    const yarnExists = await yarnExistsAsync();
+    packageManager = yarnExists && !packageLockJsonExists ? 'yarn' : 'npm';
+  }
+
+  if (packageManager === 'yarn') {
+    logger.info(`Installing dependencies using Yarn...`);
+    await spawnAsync('yarnpkg', ['add', '--silent', ...packages], {
+      cwd: projectDir,
+      stdio: 'inherit',
+    });
+  } else {
+    logger.info(`Installing dependencies using npm...`);
+    if (!(await fs.pathExists(path.join(projectDir, 'node_modules')))) {
+      await spawnAsync('npm', ['install', '--loglevel', 'error'], {
+        cwd: projectDir,
+        stdio: 'inherit',
+      });
+    }
+    await spawnAsync('npm', ['install', '--save', '--loglevel', 'error', ...packages], {
+      cwd: projectDir,
+      stdio: 'inherit',
+    });
+  }
+}
+
+async function yarnExistsAsync() {
+  try {
+    const version = (await spawnAsync('yarnpkg', ['--version'])).stdout.trim();
+    return !!semver.valid(version);
+  } catch (e) {
+    return false;
+  }
+}

src/xdl/index.ts

@@ -0,0 +1,54 @@
+import * as ExponentTools from './detach/ExponentTools';
+import * as IosIcons from './detach/IosIcons';
+import * as IosKeychain from './detach/IosKeychain';
+import * as IosPlist from './detach/IosPlist';
+import LoggerDetach from './detach/Logger';
+import * as PKCS12Utils from './detach/PKCS12Utils';
+import * as FsCache from './FsCache';
+import * as ImageUtils from './ImageUtils';
+import * as Modules from './modules/Modules';
+import * as ModuleVersion from './ModuleVersion';
+import XDLError from './XDLError';
+
+// tslint:disable-next-line
+const AndroidShellApp: any = require("./detach/AndroidShellApp.js");
+// tslint:disable-next-line
+const Detach: any = require("./detach/Detach.js");
+// tslint:disable-next-line
+const IosCodeSigning = require("./detach/IosCodeSigning.js");
+// tslint:disable-next-line
+const IosIPABuilder = require("./detach/IosIPABuilder.js").default;
+// tslint:disable-next-line
+const IosPodsTools = require("./detach/IosPodsTools.js");
+// tslint:disable-next-line
+const IosShellApp = require("./detach/IosShellApp.js");
+// tslint:disable-next-line
+const IosWorkspace = require("./detach/IosWorkspace");
+
+export { AndroidShellApp };
+
+export { Detach };
+
+export { ExponentTools };
+export { FsCache };
+export { ImageUtils };
+
+export { IosIcons };
+
+export { IosIPABuilder };
+export { IosKeychain };
+
+export { IosWorkspace };
+export { IosPlist };
+
+export { IosPodsTools };
+
+export { IosShellApp };
+
+export { IosCodeSigning };
+
+export { LoggerDetach };
+export { ModuleVersion };
+export { Modules };
+export { PKCS12Utils };
+export { XDLError };

src/xdl/modules/Modules.ts

@@ -0,0 +1,82 @@
+import semver from 'semver';
+
+import {
+  expoSdkUniversalModulesConfigs,
+  IModuleConfig,
+  INativeConfig,
+  vendoredNativeModules,
+} from './config';
+
+type PlatformSpecificModuleConfig = IModuleConfig & INativeConfig;
+type Platform = 'ios' | 'android';
+
+const HIGHEST_KNOWN_VERSION = '10000.0.0';
+
+export function getAllNativeModules() {
+  return [...expoSdkUniversalModulesConfigs, ...vendoredNativeModules].filter(
+    (moduleConfig) => moduleConfig.isNativeModule,
+  );
+}
+
+export function getAllForPlatform(
+  platform: Platform,
+  sdkVersion: string,
+): PlatformSpecificModuleConfig[] {
+  return expoSdkUniversalModulesConfigs
+    .filter((moduleConfig: IModuleConfig) =>
+      doesVersionSatisfy(sdkVersion, moduleConfig.sdkVersions),
+    )
+    .map((moduleConfig: IModuleConfig) => ({
+      ...moduleConfig,
+      ...moduleConfig.config[platform],
+    }));
+}
+
+export function getAllNativeForExpoClientOnPlatform(
+  platform: Platform,
+  sdkVersion: string,
+): PlatformSpecificModuleConfig[] {
+  return getAllForPlatform(platform, sdkVersion).filter(
+    (moduleConfig) =>
+      moduleConfig.includeInExpoClient && moduleConfig.isNativeModule,
+  );
+}
+
+export function getVersionableModulesForPlatform(
+  platform: Platform,
+  sdkVersion: string,
+): PlatformSpecificModuleConfig[] {
+  return getAllNativeForExpoClientOnPlatform(platform, sdkVersion).filter(
+    (moduleConfig) => {
+      return moduleConfig.versionable;
+    },
+  );
+}
+
+export function getDetachableModules(
+  platform: Platform,
+  sdkVersion: string,
+): PlatformSpecificModuleConfig[] {
+  return getAllForPlatform(platform, sdkVersion).filter(
+    (moduleConfig) => moduleConfig.isNativeModule && moduleConfig.detachable,
+  );
+}
+
+export function getPublishableModules(sdkVersion: string): IModuleConfig[] {
+  return expoSdkUniversalModulesConfigs.filter(
+    (moduleConfig: IModuleConfig) =>
+      !!moduleConfig.libName &&
+      doesVersionSatisfy(sdkVersion, moduleConfig.sdkVersions),
+  );
+}
+
+export function doesVersionSatisfy(
+  version: string,
+  versionRequirement: string,
+): boolean {
+  if (version === 'UNVERSIONED') {
+    return semver.satisfies(HIGHEST_KNOWN_VERSION, versionRequirement);
+  }
+
+  return semver.satisfies(version, versionRequirement);
+}

src/xdl/modules/config.ts

@@ -0,0 +1,718 @@
+export interface IModuleConfig {
+  podName?: string;
+  libName: string;
+  sdkVersions: string;
+  isNativeModule: boolean;
+  config: {
+    android: INativeConfig;
+    ios: INativeConfig;
+  };
+}
+
+export interface INativeConfig {
+  subdirectory: string;
+  versionable: boolean;
+  detachable: boolean;
+  includeInExpoClient: boolean;
+}
+
+const defaultUniversalModuleConfig = {
+  ios: {
+    // subdirectory in which the module podspec is placed.
+    subdirectory: 'ios',
+    // whether when adding a new version of ABI
+    // the module should be versioned and released
+    // as eg. ABI28_0_0EXCamera
+    versionable: true,
+    // whether the module should be included in the newly created detached app.
+    detachable: true,
+    // whether the module should be included in Expo client
+    includeInExpoClient: true,
+  },
+  android: {
+    // subdirectory in which the Android project can be found.
+    subdirectory: 'android',
+    // whether when adding a new version of ABI
+    // the module should be versioned and released
+    // as eg. abi28_2_0.expo.modules.camera
+    versionable: true,
+    // whether the module should be included in the newly created detached app,
+    // so when releasing a new version of expoview
+    // as eg. host.exp.exponent:expoview:28.2.0 the module will
+    // be assembled and uploaded to the local maven repo
+    detachable: true,
+    // whether the module should be included in Expo client
+    includeInExpoClient: true,
+  },
+};
+
+const firebaseModuleConfig = {
+  ios: {
+    versionable: false,
+    detachable: false,
+    includeInExpoClient: false,
+  },
+  android: {
+    versionable: false,
+    detachable: false,
+    includeInExpoClient: false,
+  },
+};
+
+const expoUniversalModules = [
+  // native modules
+  {
+    podName: 'EXAdsAdMob',
+    libName: 'expo-ads-admob',
+    sdkVersions: '>=30.0.0',
+  },
+  {
+    podName: 'EXAdsFacebook',
+    libName: 'expo-ads-facebook',
+    sdkVersions: '>=33.0.0',
+  },
+  {
+    podName: 'EXAmplitude',
+    libName: 'expo-analytics-amplitude',
+    sdkVersions: '>=33.0.0',
+  },
+  {
+    podName: 'EXSegment',
+    libName: 'expo-analytics-segment',
+    sdkVersions: '>=30.0.0',
+  },
+  {
+    podName: 'EXAppAuth',
+    libName: 'expo-app-auth',
+    sdkVersions: '>=32.0.0',
+  },
+  {
+    podName: 'EXApplication',
+    libName: 'expo-application',
+    sdkVersions: '>=35.0.0',
+  },
+  {
+    podName: 'EXAppLoaderProvider',
+    libName: 'expo-app-loader-provider',
+    sdkVersions: '>=32.0.0',
+  },
+  {
+    podName: 'EXAV',
+    libName: 'expo-av',
+    sdkVersions: '>=33.0.0',
+  },
+  {
+    podName: 'EXBackgroundFetch',
+    libName: 'expo-background-fetch',
+    sdkVersions: '>=32.0.0',
+  },
+  {
+    podName: 'EXBarCodeScanner',
+    libName: 'expo-barcode-scanner',
+    sdkVersions: '>=30.0.0',
+  },
+  {
+    podName: 'EXBarCodeScannerInterface',
+    libName: 'expo-barcode-scanner-interface',
+    sdkVersions: '>=30.0.0 <33.0.0',
+  },
+  {
+    podName: 'EXBattery',
+    libName: 'expo-battery',
+    sdkVersions: '>=35.0.0',
+  },
+  {
+    podName: 'EXBluetooth',
+    libName: 'expo-bluetooth',
+    sdkVersions: '>=34.0.0',
+    config: {
+      ios: {
+        includeInExpoClient: false,
+      },
+      android: {
+        includeInExpoClient: false,
+      },
+    },
+  },
+  {
+    podName: 'EXBlur',
+    libName: 'expo-blur',
+    sdkVersions: '>=33.0.0',
+    config: {
+      android: {
+        versionable: false,
+        detachable: false,
+        includeInExpoClient: false,
+      },
+    },
+  },
+  {
+    podName: 'EXBrightness',
+    libName: 'expo-brightness',
+    sdkVersions: '>=33.0.0',
+  },
+  {
+    podName: 'EXCalendar',
+    libName: 'expo-calendar',
+    sdkVersions: '>=33.0.0',
+  },
+  {
+    podName: 'EXCamera',
+    libName: 'expo-camera',
+    sdkVersions: '>=29.0.0',
+  },
+  {
+    podName: 'EXCameraInterface',
+    libName: 'expo-camera-interface',
+    sdkVersions: '>=29.0.0 <33.0.0',
+  },
+  {
+    podName: 'EXCellular',
+    libName: 'expo-cellular',
+    sdkVersions: '>=35.0.0',
+  },
+  {
+    podName: 'EXConstants',
+    libName: 'expo-constants',
+    sdkVersions: '>=29.0.0',
+  },
+  {
+    podName: 'EXConstantsInterface',
+    libName: 'expo-constants-interface',
+    sdkVersions: '>=29.0.0 <33.0.0',
+  },
+  {
+    podName: 'EXContacts',
+    libName: 'expo-contacts',
+    sdkVersions: '>=30.0.0',
+  },
+  {
+    podName: 'EXCore',
+    libName: 'expo-core',
+    sdkVersions: '>=29.0.0 <33.0.0',
+  },
+  {
+    podName: 'EXCrypto',
+    libName: 'expo-crypto',
+    sdkVersions: '>=33.0.0',
+  },
+  {
+    podName: 'EXDevice',
+    libName: 'expo-device',
+    sdkVersions: '>=35.0.0',
+  },
+  {
+    podName: 'EXDocumentPicker',
+    libName: 'expo-document-picker',
+    sdkVersions: '>=33.0.0',
+  },
+  {
+    podName: 'EXErrors',
+    libName: 'expo-errors',
+    sdkVersions: '>=32.0.0 <33.0.0',
+  },
+  {
+    podName: 'EXFacebook',
+    libName: 'expo-facebook',
+    sdkVersions: '>=33.0.0',
+  },
+  {
+    podName: 'EXFaceDetector',
+    libName: 'expo-face-detector',
+    detachable: false,
+    sdkVersions: '>=29.0.0',
+  },
+  {
+    podName: 'EXFaceDetectorInterface',
+    libName: 'expo-face-detector-interface',
+    sdkVersions: '>=29.0.0 <33.0.0',
+  },
+  {
+    podName: 'EXFileSystem',
+    libName: 'expo-file-system',
+    sdkVersions: '>=29.0.0',
+  },
+  {
+    podName: 'EXFileSystemInterface',
+    libName: 'expo-file-system-interface',
+    sdkVersions: '>=29.0.0 <33.0.0',
+  },
+  {
+    podName: 'EXFirebaseAnalytics',
+    libName: 'expo-firebase-analytics',
+    sdkVersions: '>=31.0.0',
+    config: firebaseModuleConfig,
+  },
+  {
+    podName: 'EXFirebaseApp',
+    libName: 'expo-firebase-app',
+    sdkVersions: '>=31.0.0',
+    config: firebaseModuleConfig,
+  },
+  {
+    podName: 'EXFirebaseAuth',
+    libName: 'expo-firebase-auth',
+    sdkVersions: '>=31.0.0',
+    config: firebaseModuleConfig,
+  },
+  {
+    podName: 'EXFirebaseCrashlytics',
+    libName: 'expo-firebase-crashlytics',
+    sdkVersions: '>=31.0.0',
+    config: firebaseModuleConfig,
+  },
+  {
+    podName: 'EXFirebaseDatabase',
+    libName: 'expo-firebase-database',
+    sdkVersions: '>=31.0.0',
+    config: firebaseModuleConfig,
+  },
+  {
+    podName: 'EXFirebaseFirestore',
+    libName: 'expo-firebase-firestore',
+    sdkVersions: '>=31.0.0',
+    config: firebaseModuleConfig,
+  },
+  {
+    podName: 'EXFirebaseFunctions',
+    libName: 'expo-firebase-functions',
+    sdkVersions: '>=31.0.0',
+    config: firebaseModuleConfig,
+  },
+  {
+    podName: 'EXFirebaseInstanceID',
+    libName: 'expo-firebase-instance-id',
+    sdkVersions: '>=31.0.0',
+    config: firebaseModuleConfig,
+  },
+  {
+    podName: 'EXFirebaseInvites',
+    libName: 'expo-firebase-invites',
+    sdkVersions: '>=31.0.0',
+    config: firebaseModuleConfig,
+  },
+  {
+    podName: 'EXFirebaseLinks',
+    libName: 'expo-firebase-links',
+    sdkVersions: '>=31.0.0',
+    config: firebaseModuleConfig,
+  },
+  {
+    podName: 'EXFirebaseMessaging',
+    libName: 'expo-firebase-messaging',
+    sdkVersions: '>=31.0.0',
+    config: firebaseModuleConfig,
+  },
+  {
+    podName: 'EXFirebaseNotifications',
+    libName: 'expo-firebase-notifications',
+    sdkVersions: '>=31.0.0',
+    config: firebaseModuleConfig,
+  },
+  {
+    podName: 'EXFirebasePerformance',
+    libName: 'expo-firebase-performance',
+    sdkVersions: '>=31.0.0',
+    config: firebaseModuleConfig,
+  },
+  {
+    podName: 'EXFirebaseRemoteConfig',
+    libName: 'expo-firebase-remote-config',
+    sdkVersions: '>=31.0.0',
+    config: firebaseModuleConfig,
+  },
+  {
+    podName: 'EXFirebaseStorage',
+    libName: 'expo-firebase-storage',
+    sdkVersions: '>=31.0.0',
+    config: firebaseModuleConfig,
+  },
+  {
+    podName: 'EXFont',
+    libName: 'expo-font',
+    sdkVersions: '>=30.0.0',
+  },
+  {
+    podName: 'EXFontInterface',
+    libName: 'expo-font-interface',
+    sdkVersions: '>=30.0.0 <33.0.0',
+  },
+  {
+    podName: 'EXGL',
+    libName: 'expo-gl',
+    sdkVersions: '>=29.0.0',
+  },
+  {
+    podName: 'EXGL-CPP',
+    libName: 'expo-gl-cpp',
+    sdkVersions: '>=29.0.0',
+    versionable: false,
+    config: {
+      ios: {
+        subdirectory: 'cpp',
+      },
+    },
+  },
+  {
+    podName: 'EXGoogleSignIn',
+    libName: 'expo-google-sign-in',
+    sdkVersions: '>=32.0.0',
+  },
+  {
+    podName: 'EXHaptics',
+    libName: 'expo-haptics',
+    sdkVersions: '>=33.0.0',
+  },
+  {
+    podName: 'EXImageLoaderInterface',
+    libName: 'expo-image-loader-interface',
+    sdkVersions: '>=30.0.0 <33.0.0',
+  },
+  {
+    podName: 'EXImageManipulator',
+    libName: 'expo-image-manipulator',
+    sdkVersions: '>=33.0.0',
+  },
+  {
+    podName: 'EXImagePicker',
+    libName: 'expo-image-picker',
+    sdkVersions: '>=33.0.0',
+  },
+  {
+    podName: 'EXInAppPurchases',
+    libName: 'expo-in-app-purchases',
+    sdkVersions: '>=33.0.0',
+    config: {
+      ios: {
+        includeInExpoClient: false,
+      },
+      android: {
+        includeInExpoClient: false,
+      },
+    },
+  },
+  {
+    libName: 'expo-intent-launcher',
+    sdkVersions: '>=33.0.0',
+    config: {
+      ios: {
+        versionable: false,
+        detachable: false,
+        includeInExpoClient: false,
+      },
+    },
+  },
+  {
+    podName: 'EXKeepAwake',
+    libName: 'expo-keep-awake',
+    sdkVersions: '>=33.0.0',
+  },
+  {
+    podName: 'EXLinearGradient',
+    libName: 'expo-linear-gradient',
+    sdkVersions: '>=33.0.0',
+  },
+  {
+    podName: 'EXLocalAuthentication',
+    libName: 'expo-local-authentication',
+    sdkVersions: '>=30.0.0',
+  },
+  {
+    podName: 'EXLocalization',
+    libName: 'expo-localization',
+    sdkVersions: '>=31.0.0',
+  },
+  {
+    podName: 'EXLocation',
+    libName: 'expo-location',
+    sdkVersions: '>=30.0.0',
+  },
+  {
+    podName: 'EXMailComposer',
+    libName: 'expo-mail-composer',
+    sdkVersions: '>=33.0.0',
+  },
+  {
+    podName: 'EXMediaLibrary',
+    libName: 'expo-media-library',
+    sdkVersions: '>=30.0.0',
+  },
+  {
+    podName: 'EXNetwork',
+    libName: 'expo-network',
+    sdkVersions: '>=35.0.0',
+  },
+  {
+    podName: 'EXNotifications',
+    libName: 'expo-notifications',
+    sdkVersions: '>=38.0.0',
+  },
+  {
+    podName: 'EXPaymentsStripe',
+    libName: 'expo-payments-stripe',
+    sdkVersions: '>=30.0.0',
+    detachable: false,
+    config: {
+      ios: {
+        includeInExpoClient: false,
+      },
+    },
+  },
+  {
+    podName: 'EXPermissions',
+    libName: 'expo-permissions',
+    sdkVersions: '>=29.0.0',
+  },
+  {
+    podName: 'EXPermissionsInterface',
+    libName: 'expo-permissions-interface',
+    sdkVersions: '>=29.0.0 <33.0.0',
+  },
+  {
+    podName: 'EXPrint',
+    libName: 'expo-print',
+    sdkVersions: '>=30.0.0',
+  },
+  {
+    podName: 'EXRandom',
+    libName: 'expo-random',
+    sdkVersions: '>=33.0.0',
+  },
+  {
+    podName: 'EXReactNativeAdapter',
+    libName: 'expo-react-native-adapter',
+    sdkVersions: '>=29.0.0 <33.0.0',
+  },
+  {
+    podName: 'EXSecureStore',
+    libName: 'expo-secure-store',
+    sdkVersions: '>=33.0.0',
+  },
+  {
+    podName: 'EXSensors',
+    libName: 'expo-sensors',
+    sdkVersions: '>=29.0.0',
+  },
+  {
+    podName: 'EXSensorsInterface',
+    libName: 'expo-sensors-interface',
+    sdkVersions: '>=29.0.0 <33.0.0',
+  },
+  {
+    podName: 'EXSharing',
+    libName: 'expo-sharing',
+    sdkVersions: '>=33.0.0',
+  },
+  {
+    podName: 'EXSMS',
+    libName: 'expo-sms',
+    sdkVersions: '>=29.0.0',
+  },
+  {
+    podName: 'EXSpeech',
+    libName: 'expo-speech',
+    sdkVersions: '>=33.0.0',
+  },
+  {
+    podName: 'EXSQLite',
+    libName: 'expo-sqlite',
+    sdkVersions: '>=33.0.0',
+  },
+  {
+    podName: 'EXTaskManager',
+    libName: 'expo-task-manager',
+    sdkVersions: '>=32.0.0',
+  },
+  {
+    podName: 'EXTaskManagerInterface',
+    libName: 'expo-task-manager-interface',
+    sdkVersions: '>=32.0.0 <33.0.0',
+    config: {
+      android: {
+        versionable: false,
+      },
+    },
+  },
+  {
+    podName: 'EXVideoThumbnails',
+    libName: 'expo-video-thumbnails',
+    sdkVersions: '>=33.0.0',
+  },
+  {
+    podName: 'EXWebBrowser',
+    libName: 'expo-web-browser',
+    sdkVersions: '>=33.0.0',
+  },
+
+  // JS-only modules
+  {
+    libName: 'expo-asset',
+    sdkVersions: '>=29.0.0',
+    isNativeModule: false,
+  },
+  {
+    libName: 'expo-module-template',
+    sdkVersions: '>=29.0.0',
+    isNativeModule: false,
+  },
+  {
+    podName: 'UMCore',
+    libName: '@unimodules/core',
+    sdkVersions: '>=33.0.0',
+  },
+  {
+    podName: 'UMReactNativeAdapter',
+    libName: '@unimodules/react-native-adapter',
+    sdkVersions: '>=33.0.0',
+  },
+  {
+    podName: 'UMBarCodeScannerInterface',
+    libName: 'unimodules-barcode-scanner-interface',
+    sdkVersions: '>=33.0.0',
+  },
+  {
+    podName: 'UMCameraInterface',
+    libName: 'unimodules-camera-interface',
+    sdkVersions: '>=33.0.0',
+  },
+  {
+    podName: 'UMConstantsInterface',
+    libName: 'unimodules-constants-interface',
+    sdkVersions: '>=33.0.0',
+  },
+  {
+    podName: 'UMFaceDetectorInterface',
+    libName: 'unimodules-face-detector-interface',
+    sdkVersions: '>=33.0.0',
+  },
+  {
+    podName: 'UMFileSystemInterface',
+    libName: 'unimodules-file-system-interface',
+    sdkVersions: '>=33.0.0',
+  },
+  {
+    podName: 'UMFontInterface',
+    libName: 'unimodules-font-interface',
+    sdkVersions: '>=33.0.0',
+  },
+  {
+    podName: 'UMImageLoaderInterface',
+    libName: 'unimodules-image-loader-interface',
+    sdkVersions: '>=33.0.0',
+  },
+  {
+    podName: 'UMPermissionsInterface',
+    libName: 'unimodules-permissions-interface',
+    sdkVersions: '>=33.0.0',
+  },
+  {
+    podName: 'UMSensorsInterface',
+    libName: 'unimodules-sensors-interface',
+    sdkVersions: '>=33.0.0',
+  },
+  {
+    podName: 'UMTaskManagerInterface',
+    libName: 'unimodules-task-manager-interface',
+    sdkVersions: '>=33.0.0',
+    config: {
+      android: {
+        versionable: false,
+      },
+    },
+  },
+];
+
+export const vendoredNativeModules = [
+  {
+    libName: '@expo/vector-icons',
+    sdkVersions: '>=26.0.0',
+    isNativeModule: true,
+  },
+  {
+    libName: '@react-native-community/netinfo',
+    sdkVersions: '>=33.0.0',
+    isNativeModule: true,
+  },
+  {
+    libName: 'lottie-react-native',
+    sdkVersions: '>=26.0.0',
+    isNativeModule: true,
+  },
+  {
+    libName: 'react-native-branch',
+    sdkVersions: '>=26.0.0',
+    isNativeModule: true,
+  },
+  {
+    libName: 'react-native-gesture-handler',
+    sdkVersions: '>=26.0.0',
+    isNativeModule: true,
+  },
+  {
+    libName: 'react-native-maps',
+    sdkVersions: '>=26.0.0',
+    isNativeModule: true,
+  },
+  {
+    libName: 'react-native-reanimated',
+    sdkVersions: '>=28.0.0',
+    isNativeModule: true,
+  },
+  {
+    libName: 'react-native-screens',
+    sdkVersions: '>=30.0.0',
+    isNativeModule: true,
+  },
+  {
+    libName: 'react-native-svg',
+    sdkVersions: '>=26.0.0',
+    isNativeModule: true,
+  },
+  {
+    libName: 'react-native-view-shot',
+    sdkVersions: '>=26.0.0',
+    isNativeModule: true,
+  },
+  {
+    libName: 'react-native-webview',
+    sdkVersions: '>=33.0.0',
+    isNativeModule: true,
+  },
+];
+
+function defaults(
+  defaultConfig: INativeConfig,
+  ...customConfigs: Array<Partial<INativeConfig> | undefined>
+) {
+  return Object.assign({}, defaultConfig, ...customConfigs);
+}
+
+export const expoSdkUniversalModulesConfigs: IModuleConfig[] = expoUniversalModules.map(
+  ({
+    config = {},
+    podName,
+    libName,
+    sdkVersions,
+    isNativeModule = true,
+    ...params
+  }) => {
+    return {
+      podName,
+      libName,
+      sdkVersions,
+      isNativeModule,
+      config: {
+        ios: defaults(
+          defaultUniversalModuleConfig.ios,
+          params,
+          'ios' in config ? config.ios : undefined,
+        ),
+        android: defaults(
+          defaultUniversalModuleConfig.android,
+          params,
+          'android' in config ? config.android : undefined,
+        ),
+      },
+    };
+  },
+);

tslint.json

@@ -10,5 +10,10 @@
   },
   "rulesDirectory": [
     "node_modules/tslint-eslint-rules/dist/rules"
-  ]
+  ],
+  "linterOptions": {
+    "exclude": [
+      "src/types/xcode.d.ts"
+    ]
+  }
 }