# Set REPO_MIRROR to non-empty value to get around upstream downtimes
#REPO_MIRROR="--repo-url=http://android.git.linaro.org/git-ro/tools/repo"
REPO_MIRROR="--repo-url=git://android.git.linaro.org/tools/repo"

setup-repo-vars () {
    EABI="${EABI-arm-eabi}"
    MANIFEST_REPO="${MANIFEST_REPO-git://android.git.kernel.org/platform/manifest.git}"
    MANIFEST_BRANCH="${MANIFEST_BRANCH-master}"
    MANIFEST_FILENAME="${MANIFEST_FILENAME-default.xml}"
    REPO_GROUPS=${REPO_GROUPS-"all,-notdefault,-eclipse"}
    REPO_QUIET=${REPO_QUIET-false}
    if [ "$REPO_QUIET" == "0" -o "$REPO_QUIET" == "false" ]; then
        REPO_QUIET=""
    else
        REPO_QUIET="--quiet"
    fi
    if [ -n "$REPO_SEED_URL" ]; then
        # If we use seeded builds, use higher value of repo sync -j,
        # as large share of repository content will be local and thus
        # only disk i/o bound.
        SYNC_JOBS=${SYNC_JOBS-5}
        #SYNC_JOBS=5
    else
        SYNC_JOBS=${SYNC_JOBS-3}
        #SYNC_JOBS=3
    fi

}

repo-sync-stubborn () {
    for i in 1 2; do
        time repo sync $REPO_QUIET -j$SYNC_JOBS -f || true
    done
    time repo sync $REPO_QUIET -j$SYNC_JOBS
}

repo-sync-from-mirror () {
    setup-repo-vars
    repo init $REPO_QUIET -u "${MANIFEST_REPO}" -b "${MANIFEST_BRANCH}" -m "${MANIFEST_FILENAME}" $REPO_MIRROR  -g $REPO_GROUPS
    # Save input manifest as build artifact for reference
    mkdir -p out
    cp .repo/manifest.xml out/source-manifest.xml

    echo Replace Linaro git URLs with lightweight http git URLs.
    ${BUILD_SCRIPT_ROOT}/rewrite-manifest.py .repo/manifest.xml -o processed-manifest.xml -u "${MANIFEST_REPO}"
    cp processed-manifest.xml .repo/manifest.xml

    echo ----------------------------
    repo-sync-stubborn
    # Restore source manifest temporarily to create pinned manifest
    cp out/source-manifest.xml .repo/manifest.xml
    repo manifest -r -o out/pinned-manifest.xml
}

repo-sync-from-seed () {
    setup-repo-vars

    local seed_name=$(basename $REPO_SEED_URL .tar.gz)
    mkdir -p $seed_name

    export TIMEFORMAT="TIME: Seed download and uncompress: %lR"
    time curl --silent --show-error "$REPO_SEED_URL" | gzip -d -c | tar --strip-components=1 -C $seed_name -x
    unset TIMEFORMAT

#    # Handle old seed format
#    if [ -d $seed_name/$seed_name ]; then
#        mv $seed_name ${seed_name}_
#        mv ${seed_name}_/$seed_name .
#        rmdir ${seed_name}_
#    fi

    repo init $REPO_QUIET -u "${MANIFEST_REPO}" -b "${MANIFEST_BRANCH}" -m "${MANIFEST_FILENAME}" \
    $REPO_MIRROR --reference=$PWD/$seed_name -g $REPO_GROUPS
    mkdir -p out
    cp .repo/manifest.xml out/source-manifest.xml

    echo Replace Linaro git URLs with lightweight http git URLs.
    ${BUILD_SCRIPT_ROOT}/rewrite-manifest.py .repo/manifest.xml -o processed-manifest.xml -u "${MANIFEST_REPO}"
    cp processed-manifest.xml .repo/manifest.xml

    export TIMEFORMAT="TIME: Repo sync (using seed as reference): %lR"
    repo-sync-stubborn
    unset TIMEFORMAT

    # Restore source manifest temporarily to create pinned manifest
    cp out/source-manifest.xml .repo/manifest.xml
    repo manifest -r -o out/pinned-manifest.xml
}

calc_make_jobs () {
    if [ -z "$MAKE_JOBS" ]; then
        cpuc=`cat /proc/cpuinfo  | grep processor | wc -l`
        MAKE_JOBS=4
    fi
}

function get_url_basename {
    echo "$1" | sed -e 's/^.*\/\([^/]*\)$/\1/'
}

function get_tarball_version {
#    echo "$1" | sed -e 's/^.*-//' -e 's/\.tar.*$//'
    echo "$1" | sed -r -e 's/\.tar.*$//' -e 's/^[a-z0-9]+-(.*)/\1/'
}
#echo `get_version gcc-linaro-4.5-2011.04-0.tar.bz2`
# linaro-4.5-2011.04-0
#echo `get_version binutils-2.20.1.tar.bz2`
# 2.20.1

#
# Download another builds's artifacts, as if they were
# produced by this build. Used for testing, trigger by BUILD_COPYCAT
# build config setting.
#
download_another_build () {
    local baseurl
    if ! echo "$1" | grep '://' >/dev/null; then
        baseurl="http://snapshots.linaro.org/android/$1"
    else
        baseurl=$1
    fi
    local dir=out/target/product/$TARGET_OUT_DIR
    mkdir -p $dir
    pushd $dir
    wget -nv --no-check-certificate "$baseurl/boot.tar.bz2" || true
    wget -nv --no-check-certificate "$baseurl/boot.img" || true
    wget -nv --no-check-certificate "$baseurl/system.tar.bz2" || true
    wget -nv --no-check-certificate "$baseurl/system.img" || true
    wget -nv --no-check-certificate "$baseurl/userdata.tar.bz2" || true
    wget -nv --no-check-certificate "$baseurl/userdata.img" || true
    popd
    pushd out
    wget -nv --no-check-certificate "$baseurl/source-manifest.xml" || true
    wget -nv --no-check-certificate "$baseurl/pinned-manifest.xml" || true
    popd
}

flatten_artifacts () {
    if [ "$FLATTEN_ARTIFACTS" != "0" ]; then
        mv out/target/product/$TARGET_OUT_DIR/* out/
        rm -r out/target
    fi
}

# Keep download and unpack overlays split, to download soon after start
# to catch error fast, but preserve ability overwrite something.
download_overlays () {
    local ifs_save="$IFS"
    IFS=";"
    for p in $1; do
        curl --fail --silent --show-error \
            -b license_accepted_$SOURCE_OVERLAY_ACCEPT_LICENSE=yes \
            http://snapshots.linaro.org/android/binaries/$p > $(basename $p)
    done
    IFS="$ifs_save"
}
unpack_overlays () {
    local ifs_save="$IFS"
    IFS=";"
    for p in $1; do
        tar -x -a -f $(basename $p) -C .
    done
    IFS="$ifs_save"
}

unpack_external_tarball () {
    ext_tarball_dir=$BUILD_SCRIPT_ROOT/../../build/external_tarballs

    # Always start clean
    if [[ -d $ext_tarball_dir ]]; then
        rm -rf $ext_tarball_dir
    fi

    mkdir -p $ext_tarball_dir
    pushd $ext_tarball_dir

    local ifs_save="$IFS"
    IFS=";"
    for p in $1; do
        regex_is_http="^https?://"
        regex_file=".*/(.*?)$"

        if [[ $p =~ $regex_is_http ]]; then
            # File is on a remote web server, wget it
            wget -nv --no-check-certificate $p
        fi

        if [[ $p =~ $regex_file ]]; then
            filename=${BASH_REMATCH[1]}
            tar -x -a -f "$filename" -C $ext_tarball_dir
        else
            echo "Fatal Error: $p - file name can not be determined"
            exit 1
        fi
    done
    IFS="$ifs_save"
    popd
}

# Error handler for infrastructure setup (vs compiple) errors
# Wrap infra-setup code in:
# trap infrastructure_error ERR
# trap - ERR
infrastructure_error () {
    echo "Caught infrastructure error - finishing build with 'Not Built' status"
    # Interpreted as NOT_BUILT by Shell Status plugin
    exit 123
}

# Convert Android's TARGET_PRODUCT to linaro-android-media-create --dev option value
product2lamc_dev () {
# Inventory: vexpress,snowball_emmc,mx6qsabrelite,vexpress-a9,panda,iMX53,smdkv310,snowball_sd,beagle,origen,mx53loco
    case "$1" in
        "pandaboard")
            echo -n "panda";;
        "snowball")
            echo -n "snowball_sd";;
        "full_arndale")
            echo -n "arndale";;
        *)
            echo -n "$1";;
    esac
}