#!/usr/bin/env bash

set -e

# This script downloads previous maven packages that have been downloaded

# from Google Cloud Storage to local path for faster build

usage()

{

echo "usage: prepare_maven_cache.sh

--archive-uri gcs uri to retrieve maven .m2 archive

--output-dir output directory for .m2 directory"

}

while [ "$1" != "" ]; do

case "$1" in

--archive-uri ) ARCHIVE_URI="$2"; shift;;

--output-dir ) OUTPUT_DIR="$2"; shift;;

* ) usage; exit 1

esac

shift

done

if [[ ! ${ARCHIVE_URI} ]]; then usage; exit 1; fi

if [[ ! ${OUTPUT_DIR} ]]; then usage; exit 1; fi

# Install Google Cloud SDK if gsutil command not exists

if [[ ! $(command -v gsutil) ]]; then

CURRENT_DIR=$(dirname "$BASH_SOURCE")

. "${CURRENT_DIR}"/install-google-cloud-sdk.sh

fi

gsutil -q cp ${ARCHIVE_URI} /tmp/.m2.tar

tar xf /tmp/.m2.tar -C ${OUTPUT_DIR}