build.sh

#!/bin/bash
set -eu

# ----------------------------------------------------------------------
# Variables that can be overriden by caller
# ----------------------------------------------------------------------
SOURCE=${SOURCE:-~/android/source}
APK_DIR=${APK_DIR:-~/android/apk}
LUNCH_CHOICE=
# ----------------------------------------------------------------------

_show_help() {
    echo "Usage:"
    echo "  $_shell_script [-b <manifest_branch> [-k|--keep-local]] [-h|--help]"
    echo ""
    echo "A script to build AOSP/SODP 10 with linux kernel 4.14 for xperia devices"
    echo ""
    echo "WARNING:"
    echo "  The script is doing terrible things like:"
    echo "  - deleting files"
    echo "  - git hard resets"
    echo "  - git checkouts"
    echo "  therefore the script must not be used in a developers aosp tree with changed files"
    echo "  and/or local commits. Both might get lost when running this script!"
    echo ""
    echo "Options:"
    echo "  -b <manifest_branch>    switches the repo to the specified manifest_branch, e.g. android-10.0.0_r21"
    echo "  -k|--keep-local         keeps the branch for the local manifests repo when switching branches"
    echo "  -h|--help               display this help"
    echo "  -x|--exclude-gapps      excludes opengapps from the build and implicitly removes the opengapps"
    echo "                          repos from the source tree"
    echo ""
    echo "Script variables:"
    echo "  SOURCE          AOSP/SODP root folder"
    echo "                  Default: ~/android/source"
    echo "  APK_DIR         currently not used"
    echo "                  Default: ~/android/apk"
    echo "  LUNCH_CHOICE    e.g. aosp_h3113-userdebug, aosp_h9436-userdebug,..."
    echo "                  Default: not set"
    echo ""
    echo "To pass the variables to the script use env, e.g. for pioneer use following command:"
    echo "  env LUNCH_CHOICE=aosp_h3113-userdebug ./$_shell_script"
}

_pick_pr() {
    local _remote=$1
    local _pr_refspec=$2
    local _commits=${3:-1}
    local _max_commits=${4:-$_commits}
    local _excluded_commits=${5:-}
    local _index=$(($_commits - 1))
    local _count=0
    local _current_commit

    git fetch $_remote $_pr_refspec

    while [ $_index -ge 0 -a $_count -lt $_max_commits ]; do
        _current_commit=`git log --pretty=format:%h FETCH_HEAD~$_index|head -1`
        if echo $_excluded_commits | grep $_current_commit; then
            echo "skip commit"
        else
            git cherry-pick --allow-empty -Xtheirs --no-edit FETCH_HEAD~$_index
        fi
        _index=$(($_index - 1))
        _count=$(($_count + 1))
    done
}

_put_gapps_apk() {
    local _apk_name=$1
    local _target_dir=$2
    local _version=`aapt dump badging $APK_DIR/$_apk_name |grep versionCode=|sed "s#.*versionCode='\([[:digit:]]*\).*#\1#1"`
    mkdir -p $_target_dir
    rm $_target_dir/*
    cp $APK_DIR/$_apk_name $_target_dir/$_version.apk
}

_clean()  {
    pushd .repo/manifests
        git clean -d -f
        git checkout .
        git pull
    popd

    pushd .repo/local_manifests
        _local_manifests_branch=$(git symbolic-ref -q HEAD)
        _local_manifests_branch=${_local_manifests_branch##refs/heads/}
        _local_manifests_branch=${_local_manifests_branch:-HEAD}

        git clean -d -f
        git fetch
        git reset --hard origin/$_local_manifests_branch
    popd

    if [ -d kernel/sony/msm-4.9 ]; then
        rm -r kernel/sony/msm-4.9
    fi

    if [ -d hardware/qcom/sdm845 ]; then
        rm -r hardware/qcom/sdm845
    fi

    if [ -d hardware/qcom/sm8150 ]; then
        rm -r hardware/qcom/sm8150
    fi

    if [ -d device/sony/customization/ ]; then
        rm -r device/sony/customization
    fi

    if [ -h vendor/qcom/opensource/Android.bp ]; then
        rm vendor/qcom/opensource/Android.bp
    fi

    for _path in \
        device/sony/$_platform \
        device/sony/common \
        device/sony/sepolicy \
        kernel/sony/msm-4.14/common-kernel \
        kernel/sony/msm-4.14/kernel \
        vendor/opengapps/build \
        vendor/opengapps/sources/all \
        vendor/opengapps/sources/arm \
        vendor/opengapps/sources/arm64 \
        vendor/oss/transpower
    do
        if [ -d $_path ]; then
            pushd $_path
                git clean -d -f
                git reset --hard m/$_current_branch
            popd
        fi
    done
}

_init_opengapps() {
    if $_exclude_gapps; then
        return
    fi

    pushd .repo/local_manifests
        cat >opengapps.xml <<EOF
<?xml version="1.0" encoding="UTF-8"?>
<manifest>
  <remote name="opengapps" fetch="https://github.com/opengapps/" />
  <remote name="opengapps-gitlab" fetch="https://gitlab.opengapps.org/opengapps/" />

  <project path="vendor/opengapps/build" name="aosp_build" revision="master" remote="opengapps" />
  <project path="vendor/opengapps/sources/all" name="all" clone-depth="1" revision="master" remote="opengapps-gitlab" />
  <!-- arm64 depends on arm -->
  <project path="vendor/opengapps/sources/arm" name="arm" clone-depth="1" revision="master" remote="opengapps-gitlab" />
  <project path="vendor/opengapps/sources/arm64" name="arm64" clone-depth="1" revision="master" remote="opengapps-gitlab" />
</manifest>
EOF
    popd
}

_repo_switch() {
    repo sync -j32 --force-sync
    repo init -b $_new_branch

    if [ "$_keep_local" = "false" ]; then
        pushd .repo/local_manifests
            git checkout $_new_branch
        popd
    fi
}

_repo_update() {
    ./repo_update.sh
}

_post_update() {
    _pull_opengapps
    _customize_build
}

_pull_opengapps() {
    if $_exclude_gapps; then
        return
    fi

    for _path in \
        vendor/opengapps/sources/all \
        vendor/opengapps/sources/arm \
        vendor/opengapps/sources/arm64
    do
        pushd $_path
            git lfs pull opengapps-gitlab &
        popd
    done
    wait
}

_customize_build() {
    mkdir device/sony/customization
    if ! $_exclude_gapps; then
        cat >device/sony/customization/customization.mk <<EOF
GAPPS_VARIANT := pico

GAPPS_PRODUCT_PACKAGES += \\
    Chrome

WITH_DEXPREOPT := true

GAPPS_FORCE_WEBVIEW_OVERRIDES := true
GAPPS_FORCE_BROWSER_OVERRIDES := true

\$(call inherit-product, vendor/opengapps/build/opengapps-packages.mk)

EOF
    fi

    cat >>device/sony/customization/customization.mk <<EOF
BOARD_USE_ENFORCING_SELINUX := true
EOF
}

_make() {
    if [ -n "$_new_branch" ]; then
        make clean
    else
        make installclean
    fi

    pushd kernel/sony/msm-4.14/common-kernel
        _platform_upper=`echo $_platform|tr '[:lower:]' '[:upper:]'`
        sed -i "s/PLATFORMS=.*/PLATFORMS=$_platform/1" build-kernels-clang.sh
        sed -i "s/$_platform_upper=.*/$_platform_upper=$_device/1" build-kernels-clang.sh
        find . -name "*$_device*" -exec rm "{}" \;
        bash ./build-kernels-clang.sh
    popd

    make -j`nproc --all`
}

_build() {
    _clean
    _init_opengapps
    _repo_update
    _post_update
    _make
}

_switch_branch() {
    _clean
    _init_opengapps
    _repo_switch
}

# ----------------------------------------------------------------------
# Main
# ----------------------------------------------------------------------

cd $SOURCE

declare _shell_script=${0##*/}
declare _new_branch=""
declare _keep_local="false"
declare _exclude_gapps="false"

while (( "$#" )); do
    case $1 in
        -b)
            _new_branch=$2
            shift 2
            ;;
        -k|--keep-local)
            _keep_local="true"
            shift
            ;;
        -x|--exclude-gapps)
            _exclude_gapps="true"
            shift
            ;;
        -h|--help)
            _show_help
            exit 0
            ;;
        *)
            echo "Unknown parameter: $1 for help use $_shell_script -h"
            exit 1
            ;;
    esac
done

if [ -z "$_new_branch" -a "$_keep_local" = "true" ]; then
    echo "-k|--keep-local can only be used with -b"
    echo "For help use $_shell_script -h"
fi

set +u # prevent following android calls from failing because of unset variables
. build/envsetup.sh
lunch $LUNCH_CHOICE
declare _device=`get_build_var PRODUCT_DEVICE 2>/dev/null`
declare _platform=`get_build_var PRODUCT_PLATFORM 2>/dev/null`
set -u

_current_branch=`cat .repo/manifests/default.xml|grep default\ revision|sed 's#^.*refs/tags/\(.*\)"#\1#1'`

if [ -n "$_new_branch" ]; then
    _switch_branch
fi

_build