#!/bin/bash

set -e

export LANG=C

git config --global user.email "android-build-bot@fake-email.com"
git config --global user.name "android-build-bot"

mkdir -p ${HOME}/bin ${WORKSPACE}/build/out
curl https://storage.googleapis.com/git-repo-downloads/repo > ${HOME}/bin/repo
wget https://git.linaro.org/ci/publishing-api.git/blob_plain/HEAD:/linaro-cp.py -O ${HOME}/bin/linaro-cp.py
chmod a+x ${HOME}/bin/*
export PATH=${HOME}/bin:${PATH}

export base_dir="${HOME}/srv/${JOB_NAME}"
export cpu_count=$(getconf _NPROCESSORS_ONLN)
export jcpu_count=$(expr ${cpu_count} '*' 2)

sudo add-apt-repository "deb http://cz.archive.ubuntu.com/ubuntu utopic main universe"
sudo apt-get update
sudo apt-get install -y -f gcc-4.6 bc

# Move to persistent drive
if [ ! -d "${base_dir}" ]; then
    mkdir -p ${base_dir}
    chmod 777 ${base_dir}
fi
cd ${base_dir}

if [ -z $BUILD_CONFIG_REPO ] && [ -z $BUILD_CONFIG_BRANCH ] && [ -z $BUILDCONFIG_FILENAME ]; then
    echo "ERROR: Please provide the config repository, branch and filename"
    exit 1
else
    rm -rf android-build-configs
    git clone $BUILD_CONFIG_REPO -b $BUILD_CONFIG_BRANCH
fi

source android-build-configs/$BUILD_CONFIG_FILENAME

export PATH=$PATH:$PWD/tests/

if [ -z $MANIFEST_URL ]; then
    MANIFEST_URL=https://android.googlesource.com/platform/manifest/
fi

if [ -z $MANIFEST_BRANCH ]; then
    MANIFEST_BRANCH=master
fi

if [ -z $LOCAL_MANIFEST_URL ]; then
    echo "WARNING: local manifest not specified"
    echo "build is using main manifest only"
else
    if [ -z $LOCAL_MANIFEST_BRANCH ]; then
        echo "WARNING: local manifest branch not specified, using master branch"
        LOCAL_MANIFEST_BRANCH=master
    fi
fi

if [ -n $REPO_SEED_DIR ]; then
   REFERENCE="--reference=$REPO_SEED_DIR"
fi

if [ -z $BOOT_TO_GUI_TEST ]; then
   BOOT_TO_GUI_TEST=0
fi

mkdir -p android
cd android/

# setup tmpfs since we have enough free memory
# The default is half of the memory (size=50%)
mkdir -p out/target/product
sudo mount -t tmpfs tmpfs out/target/product

MAKE_TARGETS="${MAKE_TARGETS-droidcore}"

echo "SYNCING CODE"

REPO_START=$(date +%s.%N)
repo init -u $MANIFEST_URL -b $MANIFEST_BRANCH  $REFERENCE

if [ -n $LOCAL_MANIFEST_URL ]; then
    cd .repo
    rm -rf local_manifests
    git clone $LOCAL_MANIFEST_URL -b $LOCAL_MANIFEST_BRANCH local_manifests
    cd -
fi

rm -rf art/ build/ external/vixl

set +e

# Download the code
repo sync --force-sync -j${cpu_count} -c > $WORKSPACE/sync-logs.txt 2>&1

if [ $? -ne 0 ]; then
    echo "Error: *** Error repo sync failed"
    cat $WORKSPACE/sync-logs.txt
    exit -1
fi

repo manifest -r -o $WORKSPACE/pinned-manifest.xml

# Configure ccache
USE_CCACHE=1
CCACHE_DIR="${base_dir}/.ccache"
CCACHE_SLOPPINESS=file_macro,include_file_mtime,time_macros
export USE_CCACHE CCACHE_DIR CCACHE_SLOPPINESS
ccache -M 50G

if [ -n "$PATCHSETS" ]; then
    for i in $PATCHSETS; do
        sh ./android-patchsets/$i
    done
fi

if [ -n "$GERRIT_PROJECT" ]  && [ $GERRIT_EVENT_TYPE == "patchset-created" ]; then
    cd `grep -rni $GERRIT_PROJECT\" .repo/local_manifests | grep -Po 'path="\K[^"]*'`
    if git pull ssh://git@$GERRIT_HOST/$GERRIT_PROJECT $GERRIT_REFSPEC | grep -q "Automatic merge failed" ; then
        git reset --hard
        echo "Error: *** Error patch merge failed"
        exit -1
    fi
    cd -
else
    echo "Build Triggered by timer or after merging the patch"
fi

REPO_END=$(date +%s.%N)
REPO_TIME=$(echo "$REPO_END - $REPO_START" | bc)

MAKE_JOBS=${cpu_count}

echo "BUILDING CODE"

#Clean previous build artifacts
rm -rf out/host/