gecko-dev/tools/update-packaging/make_incremental_update.sh
Simon Fraser e75d5918a7 Bug 1392914 Remove updatev2.manifest r=mhowell
I've left the mention of updatev2.manifest in list_files and list_dirs for now, similar to how v1 has been left.

Differential Revision: https://phabricator.services.mozilla.com/D80011
2020-06-18 07:42:21 +00:00

314 lines
8.9 KiB
Bash
Executable File

#!/bin/bash
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
# This tool generates incremental update packages for the update system.
# Author: Darin Fisher
#
. $(dirname "$0")/common.sh
# -----------------------------------------------------------------------------
print_usage() {
notice "Usage: $(basename $0) [OPTIONS] ARCHIVE FROMDIR TODIR"
notice ""
notice "The differences between FROMDIR and TODIR will be stored in ARCHIVE."
notice ""
notice "Options:"
notice " -h show this help text"
notice " -f clobber this file in the installation"
notice " Must be a path to a file to clobber in the partial update."
notice " -q be less verbose"
notice ""
}
check_for_forced_update() {
force_list="$1"
forced_file_chk="$2"
local f
if [ "$forced_file_chk" = "precomplete" ]; then
## "true" *giggle*
return 0;
fi
if [ "$forced_file_chk" = "Contents/Resources/precomplete" ]; then
## "true" *giggle*
return 0;
fi
if [ "$forced_file_chk" = "removed-files" ]; then
## "true" *giggle*
return 0;
fi
if [ "$forced_file_chk" = "Contents/Resources/removed-files" ]; then
## "true" *giggle*
return 0;
fi
# notarization ticket
if [ "$forced_file_chk" = "Contents/CodeResources" ]; then
## "true" *giggle*
return 0;
fi
if [ "${forced_file_chk##*.}" = "chk" ]; then
## "true" *giggle*
return 0;
fi
for f in $force_list; do
#echo comparing $forced_file_chk to $f
if [ "$forced_file_chk" = "$f" ]; then
## "true" *giggle*
return 0;
fi
done
## 'false'... because this is bash. Oh yay!
return 1;
}
if [ $# = 0 ]; then
print_usage
exit 1
fi
requested_forced_updates='Contents/MacOS/firefox'
while getopts "hqf:" flag
do
case "$flag" in
h) print_usage; exit 0
;;
q) QUIET=1
;;
f) requested_forced_updates="$requested_forced_updates $OPTARG"
;;
?) print_usage; exit 1
;;
esac
done
# -----------------------------------------------------------------------------
mar_command="$MAR -V ${MOZ_PRODUCT_VERSION:?} -H ${MAR_CHANNEL_ID:?}"
let arg_start=$OPTIND-1
shift $arg_start
archive="$1"
olddir="$2"
newdir="$3"
# Prevent the workdir from being inside the targetdir so it isn't included in
# the update mar.
if [ $(echo "$newdir" | grep -c '\/$') = 1 ]; then
# Remove the /
newdir=$(echo "$newdir" | sed -e 's:\/$::')
fi
workdir="$(mktemp -d)"
updatemanifestv3="$workdir/updatev3.manifest"
archivefiles="updatev3.manifest"
mkdir -p "$workdir"
# Generate a list of all files in the target directory.
pushd "$olddir"
if test $? -ne 0 ; then
exit 1
fi
list_files oldfiles
list_dirs olddirs
popd
pushd "$newdir"
if test $? -ne 0 ; then
exit 1
fi
if [ ! -f "precomplete" ]; then
if [ ! -f "Contents/Resources/precomplete" ]; then
notice "precomplete file is missing!"
exit 1
fi
fi
list_dirs newdirs
list_files newfiles
popd
# Add the type of update to the beginning of the update manifests.
notice ""
notice "Adding type instruction to update manifests"
> $updatemanifestv3
notice " type partial"
echo "type \"partial\"" >> $updatemanifestv3
notice ""
notice "Adding file patch and add instructions to update manifests"
num_oldfiles=${#oldfiles[*]}
remove_array=
num_removes=0
for ((i=0; $i<$num_oldfiles; i=$i+1)); do
f="${oldfiles[$i]}"
# If this file exists in the new directory as well, then check if it differs.
if [ -f "$newdir/$f" ]; then
if check_for_add_if_not_update "$f"; then
# The full workdir may not exist yet, so create it if necessary.
mkdir -p `dirname "$workdir/$f"`
$XZ $XZ_OPT --compress $BCJ_OPTIONS --lzma2 --format=xz --check=crc64 --force --stdout "$newdir/$f" > "$workdir/$f"
copy_perm "$newdir/$f" "$workdir/$f"
make_add_if_not_instruction "$f" "$updatemanifestv3"
archivefiles="$archivefiles \"$f\""
continue 1
fi
if check_for_forced_update "$requested_forced_updates" "$f"; then
# The full workdir may not exist yet, so create it if necessary.
mkdir -p `dirname "$workdir/$f"`
$XZ $XZ_OPT --compress $BCJ_OPTIONS --lzma2 --format=xz --check=crc64 --force --stdout "$newdir/$f" > "$workdir/$f"
copy_perm "$newdir/$f" "$workdir/$f"
make_add_instruction "$f" "$updatemanifestv3" 1
archivefiles="$archivefiles \"$f\""
continue 1
fi
if ! diff "$olddir/$f" "$newdir/$f" > /dev/null; then
# Compute both the compressed binary diff and the compressed file, and
# compare the sizes. Then choose the smaller of the two to package.
dir=$(dirname "$workdir/$f")
mkdir -p "$dir"
verbose_notice "diffing \"$f\""
# MBSDIFF_HOOK represents the communication interface with funsize and,
# if enabled, caches the intermediate patches for future use and
# compute avoidance
#
# An example of MBSDIFF_HOOK env variable could look like this:
# export MBSDIFF_HOOK="myscript.sh -A https://funsize/api -c /home/user"
# where myscript.sh has the following usage:
# myscript.sh -A SERVER-URL [-c LOCAL-CACHE-DIR-PATH] [-g] [-u] \
# PATH-FROM-URL PATH-TO-URL PATH-PATCH SERVER-URL
#
# Note: patches are bzipped or xz stashed in funsize to gain more speed
# if service is not enabled then default to old behavior
if [ -z "$MBSDIFF_HOOK" ]; then
$MBSDIFF "$olddir/$f" "$newdir/$f" "$workdir/$f.patch"
$XZ $XZ_OPT --compress --lzma2 --format=xz --check=crc64 --force "$workdir/$f.patch"
else
# if service enabled then check patch existence for retrieval
if $MBSDIFF_HOOK -g "$olddir/$f" "$newdir/$f" "$workdir/$f.patch.xz"; then
verbose_notice "file \"$f\" found in funsize, diffing skipped"
else
# if not found already - compute it and cache it for future use
$MBSDIFF "$olddir/$f" "$newdir/$f" "$workdir/$f.patch"
$XZ $XZ_OPT --compress --lzma2 --format=xz --check=crc64 --force "$workdir/$f.patch"
$MBSDIFF_HOOK -u "$olddir/$f" "$newdir/$f" "$workdir/$f.patch.xz"
fi
fi
$XZ $XZ_OPT --compress $BCJ_OPTIONS --lzma2 --format=xz --check=crc64 --force --stdout "$newdir/$f" > "$workdir/$f"
copy_perm "$newdir/$f" "$workdir/$f"
patchfile="$workdir/$f.patch.xz"
patchsize=$(get_file_size "$patchfile")
fullsize=$(get_file_size "$workdir/$f")
if [ $patchsize -lt $fullsize ]; then
make_patch_instruction "$f" "$updatemanifestv3"
mv -f "$patchfile" "$workdir/$f.patch"
rm -f "$workdir/$f"
archivefiles="$archivefiles \"$f.patch\""
else
make_add_instruction "$f" "$updatemanifestv3"
rm -f "$patchfile"
archivefiles="$archivefiles \"$f\""
fi
fi
else
# remove instructions are added after add / patch instructions for
# consistency with make_incremental_updates.py
remove_array[$num_removes]=$f
(( num_removes++ ))
fi
done
# Newly added files
notice ""
notice "Adding file add instructions to update manifests"
num_newfiles=${#newfiles[*]}
for ((i=0; $i<$num_newfiles; i=$i+1)); do
f="${newfiles[$i]}"
# If we've already tested this file, then skip it
for ((j=0; $j<$num_oldfiles; j=$j+1)); do
if [ "$f" = "${oldfiles[j]}" ]; then
continue 2
fi
done
dir=$(dirname "$workdir/$f")
mkdir -p "$dir"
$XZ $XZ_OPT --compress $BCJ_OPTIONS --lzma2 --format=xz --check=crc64 --force --stdout "$newdir/$f" > "$workdir/$f"
copy_perm "$newdir/$f" "$workdir/$f"
if check_for_add_if_not_update "$f"; then
make_add_if_not_instruction "$f" "$updatemanifestv3"
else
make_add_instruction "$f" "$updatemanifestv3"
fi
archivefiles="$archivefiles \"$f\""
done
notice ""
notice "Adding file remove instructions to update manifests"
for ((i=0; $i<$num_removes; i=$i+1)); do
f="${remove_array[$i]}"
verbose_notice " remove \"$f\""
echo "remove \"$f\"" >> $updatemanifestv3
done
# Add remove instructions for any dead files.
notice ""
notice "Adding file and directory remove instructions from file 'removed-files'"
append_remove_instructions "$newdir" "$updatemanifestv3"
notice ""
notice "Adding directory remove instructions for directories that no longer exist"
num_olddirs=${#olddirs[*]}
for ((i=0; $i<$num_olddirs; i=$i+1)); do
f="${olddirs[$i]}"
# If this dir doesn't exist in the new directory remove it.
if [ ! -d "$newdir/$f" ]; then
verbose_notice " rmdir $f/"
echo "rmdir \"$f/\"" >> $updatemanifestv3
fi
done
$XZ $XZ_OPT --compress $BCJ_OPTIONS --lzma2 --format=xz --check=crc64 --force "$updatemanifestv3" && mv -f "$updatemanifestv3.xz" "$updatemanifestv3"
mar_command="$mar_command -C \"$workdir\" -c output.mar"
eval "$mar_command $archivefiles"
mv -f "$workdir/output.mar" "$archive"
# cleanup
rm -fr "$workdir"
notice ""
notice "Finished"
notice ""