build

#!/bin/bash
set -eu

header() {
	echo
	echo "================================================================================"
	echo "$1"
	echo "--------------------------------------------------------------------------------"
	echo
}

bail() {
	echo >&2 "$*  Did you misconfigure Concourse?"
	exit 2
}
test -n "${APP_NAME:-}"       || bail "APP_NAME must be set to the name of this package."
test -n "${MODULE:-}"         || bail "MODULE must be set to the Go Module path of this package."
test -n "${GOPATH:-}"         || bail "Expecting GOPATH to be set -- make sure correct image is specified."

test -f "${VERSION_FROM}"     || bail "Version file (${VERSION_FROM}) not found."
VERSION=$(cat "${VERSION_FROM}")
test -n "${VERSION}"          || bail "Version file (${VERSION_FROM}) was empty."

# Resource Directories
export ROOT_PATH="$(pwd)"

mkdir -p "$(dirname ${GOPATH}/src/${MODULE})"
mv ${ROOT_PATH}/git "${GOPATH}/src/${MODULE}
ln -snf "${GOPATH}/src/${MODULE} ${ROOT_PATH}/git
export PATH=${PATH}:${GOPATH}/bin
export REPO_ROOT="${GOPATH}/src/${MODULE}"

export BUILD_ROOT="${ROOT_PATH}/build"
export CI_ROOT="${ROOT_PATH}/git-ci"
export VERSION_FROM="version/number"
export RELEASE_ROOT="${REPO_ROOT}/artifacts"

header "Building $APP_NAME v$VERSION..."

cd "$REPO_ROOT"
go version; echo; echo

make clean release VERSION="$VERSION"
cd "$RELEASE_ROOT"
tar -zcvf "$BUILD_ROOT/$APP_NAME-$VERSION.tar.gz" "$APP_NAME-"*

echo
echo "================================================================================"
echo "SUCCESS!"
exit 0