Lakka-LibreELEC/scripts/unpack

#!/bin/bash

# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (C) 2009-2016 Stephan Raue (stephan@openelec.tv)
# Copyright (C) 2018-present Team LibreELEC (https://libreelec.tv)

. config/options "$1"

if [ -z "$1" ]; then
  die "usage: $0 package_name [parent_pkg]"
fi

if [ -z "${PKG_NAME}" ]; then
  die "$(print_color CLR_ERROR "${1}: no package.mk file found")"
fi
PARENT_PKG="${2:-${PKG_NAME}}"

pkg_lock "${PKG_NAME}" "unpack" "${PARENT_PKG}"

pkg_lock_status "ACTIVE" "${PKG_NAME}" "unpack"

$SCRIPTS/get "${PKG_NAME}"

STAMP="$PKG_BUILD/.libreelec-unpack"

mkdir -p $BUILD

# Perform a wildcard match on the package to ensure old versions are cleaned too
PKG_DEEPHASH=
for i in $BUILD/${PKG_NAME}-*; do
  if [ -d $i -a -f "$i/.libreelec-unpack" ] ; then
    . "$i/.libreelec-unpack"
    if [ "$STAMP_PKG_NAME" = "${PKG_NAME}" ]; then
      [ -z "${PKG_DEEPHASH}" ] && PKG_DEEPHASH=$(calculate_stamp)
      if [ ! "$PKG_DEEPHASH" = "$STAMP_PKG_DEEPHASH" ] ; then
        $SCRIPTS/clean "${PKG_NAME}"
      fi
    fi
  fi
done

if [ -d "$PKG_BUILD" -a ! -f "$STAMP" ]; then
  # stale pkg build dir
  $SCRIPTS/clean "${PKG_NAME}"
fi

if [ -f "$STAMP" ]; then
  pkg_lock_status "UNLOCK" "${PKG_NAME}" "unpack" "already unpacked"
  exit 0
fi

if [ -d "$SOURCES/${PKG_NAME}" -o -d "$PKG_DIR/sources" ]; then
  build_msg "CLR_UNPACK" "UNPACK" "${PKG_NAME}" "indent"

  # unpack into a unique location as unpacking into a single ${BUILD} directory is not thread-safe
  PKG_UNPACK_DIR="${BUILD}/.unpack/${PKG_NAME}"
  rm -rf "${PKG_UNPACK_DIR}"
  mkdir -p "${PKG_UNPACK_DIR}"

  pkg_call_exists pre_unpack && pkg_call pre_unpack

  if pkg_call_exists unpack; then
    pkg_call unpack
  else
    if [ -n "$PKG_URL" ]; then
      ${SCRIPTS}/extract "${PKG_NAME}" "${PKG_UNPACK_DIR}"
    fi
  fi

  _pkg_build="$(basename "${PKG_BUILD}")"
  [ -z "${PKG_SOURCE_DIR}" -a -d "${PKG_UNPACK_DIR}/${_pkg_build}"* ] && mv "${PKG_UNPACK_DIR}/${_pkg_build}"* "${PKG_BUILD}"

  if [ ! -d "${PKG_BUILD}" ]; then
    if [ -n "${PKG_SOURCE_DIR}" ]; then
      if [ -d "${PKG_UNPACK_DIR}"/${PKG_SOURCE_DIR} ]; then
        mv "${PKG_UNPACK_DIR}"/${PKG_SOURCE_DIR} "${PKG_BUILD}"
      else
        # fallback
        mv "${BUILD}"/${PKG_SOURCE_DIR} "${PKG_BUILD}"
      fi
    elif [ -d "${PKG_BUILD}"* ]; then
      mv "${PKG_BUILD}"* "${PKG_BUILD}"
    fi
  fi

  # cleanup
  rm -rf "${PKG_UNPACK_DIR}"

  if [ -d "$PKG_DIR/sources" ]; then
    [ ! -d "$PKG_BUILD" ] && mkdir -p "$PKG_BUILD"
    cp -PRf "$PKG_DIR/sources/"* "$PKG_BUILD"
  fi

  if [ -z "$PKG_URL" ]; then
    mkdir -p "${PKG_BUILD}"
  fi

  pkg_call_exists post_unpack && pkg_call post_unpack

  if [ "${PKG_SKIP_PATCHES}" != "yes" ]; then
    pkg_call_exists pre_patch && pkg_call pre_patch

    if [ "$TARGET_ARCH" = "x86_64" ]; then
      PATCH_ARCH="x86"
    else
      PATCH_ARCH="${TARGET_PATCH_ARCH:-$TARGET_ARCH}"
    fi

    PATCH_DIRS_PKG=""
    PATCH_DIRS_PRJ=""
    if [ -n "$PKG_PATCH_DIRS" ]; then
      for patch_dir in $PKG_PATCH_DIRS; do
        [ -d $PKG_DIR/patches/$patch_dir ] && PATCH_DIRS_PKG="$PATCH_DIRS_PKG $PKG_DIR/patches/$patch_dir/*.patch"
        [ -d $PROJECT_DIR/$PROJECT/patches/$PKG_NAME/$patch_dir ] && PATCH_DIRS_PRJ="$PATCH_DIRS_PRJ $PROJECT_DIR/$PROJECT/patches/$PKG_NAME/$patch_dir/*.patch"
        [ -d $PROJECT_DIR/$PROJECT/devices/$DEVICE/patches/$PKG_NAME/$patch_dir ] && PATCH_DIRS_PRJ="$PATCH_DIRS_PRJ $PROJECT_DIR/$PROJECT/devices/$DEVICE/patches/$PKG_NAME/$patch_dir/*.patch"
      done
    fi

    for i in $PKG_DIR/patches/*.patch \
             $PKG_DIR/patches/$PATCH_ARCH/*.patch \
             $PATCH_DIRS_PKG \
             $PKG_DIR/patches/$PKG_VERSION/*.patch \
             $PKG_DIR/patches/$PKG_VERSION/$PATCH_ARCH/*.patch \
             $PROJECT_DIR/$PROJECT/patches/$PKG_NAME/*.patch \
             $PROJECT_DIR/$PROJECT/patches/$PKG_NAME/$PATCH_ARCH/*.patch \
             $PATCH_DIRS_PRJ \
             $PROJECT_DIR/$PROJECT/patches/$PKG_NAME/$PKG_VERSION/*.patch \
             $PROJECT_DIR/$PROJECT/devices/$DEVICE/patches/$PKG_NAME/*.patch; do

      thisdir="$(dirname "$i")"

      if [ "$thisdir" = "$PKG_DIR/patches" ]; then
        PATCH_DESC="(common)"
      elif [ "$thisdir" = "$PKG_DIR/patches/$PATCH_ARCH" ]; then
        PATCH_DESC="(common - $PATCH_ARCH)"
      elif [ "$thisdir" = "$PKG_DIR/patches/$PKG_VERSION" ]; then
        PATCH_DESC="(common - $PKG_VERSION)"
      elif [ "$thisdir" = "$PKG_DIR/patches/$PKG_VERSION/$PATCH_ARCH" ]; then
        PATCH_DESC="($PKG_VERSION - $PATCH_ARCH)"
      elif [ "$thisdir" = "$PROJECT_DIR/$PROJECT/patches/$PKG_NAME" ]; then
        PATCH_DESC="(project)"
      elif [ "$thisdir" = "$PROJECT_DIR/$PROJECT/patches/$PKG_NAME/$PATCH_ARCH" ]; then
        PATCH_DESC="(project - $PATCH_ARCH)"
      elif [ "$thisdir" = "$PROJECT_DIR/$PROJECT/patches/$PKG_NAME/$PKG_VERSION" ]; then
        PATCH_DESC="(project - $PKG_VERSION)"
      elif [ "$thisdir" = "$PROJECT_DIR/$PROJECT/devices/$DEVICE/patches/$PKG_NAME" ]; then
        PATCH_DESC="(device)"
      else
        if [[ "$thisdir" =~ ^$PKG_DIR/.* ]]; then
          PATCH_DESC="(common - $(basename "$thisdir"))"
        elif [[ "$thisdir" =~ ^$PROJECT_DIR/.*/devices/.* ]]; then
          PATCH_DESC="(device - $(basename "$thisdir"))"
        elif [[ "$thisdir" =~ ^$PROJECT_DIR/.* ]]; then
          PATCH_DESC="(project - $(basename "$thisdir"))"
        else
          PATCH_DESC="(unknown - $(basename "$thisdir"))"
        fi
      fi

      if [ -f "$i" ]; then
        build_msg "CLR_APPLY_PATCH" "APPLY PATCH $(print_color "CLR_PATCH_DESC" "${PATCH_DESC}")" "${i#${ROOT}/}"
        if grep -qE '^GIT binary patch$|^rename from|^rename to' $i; then
          cat $i | git apply --directory=$(echo "$PKG_BUILD" | cut -f1 -d\ ) -p1 --verbose --whitespace=nowarn --unsafe-paths >&$VERBOSE_OUT
        else
          cat $i | patch -d $(echo "$PKG_BUILD" | cut -f1 -d\ ) -p1 >&$VERBOSE_OUT
        fi
      fi
    done

    pkg_call_exists post_patch && pkg_call post_patch
  fi

  if [ ! "$PKG_NAME" = "configtools" ] ; then
    for config in $(find "$PKG_BUILD" -name config.guess | sed 's/config.guess//'); do
      build_msg "CLR_FIXCONFIG" "FIXCONFIG" "${config}"

      [ -f "$config/config.guess" -a -f $TOOLCHAIN/configtools/config.guess ] && \
        cp -f $TOOLCHAIN/configtools/config.guess $config
      [ -f "$config/config.sub" -a -f $TOOLCHAIN/configtools/config.sub ] && \
        cp -f $TOOLCHAIN/configtools/config.sub $config
    done
  fi
fi

if [ "$PKG_SECTION" != "virtual" ]; then
  mkdir -p "$PKG_BUILD"

  rm -f $STAMPS/${PKG_NAME}/build_*

  PKG_DEEPHASH=$(calculate_stamp)
  for i in PKG_NAME PKG_DEEPHASH; do
    echo "STAMP_$i=\"${!i}\"" >> $STAMP
  done
fi

pkg_lock_status "UNLOCK" "${PKG_NAME}" "unpack" "unpacked"