#!/usr/bin/env bash

# Copyright 2019 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# Creates a new release by 1) building/pushing images, 2) injecting tag into YAML, 
# 3) creating a new git tag, and 4) pushing tags/updated YAML to $BRANCH.

set -euo pipefail

log() { echo "$1" >&2; }
fail() { log "$1"; exit 1; }

TAG="${TAG?TAG env variable must be specified}"
REPO_PREFIX="${REPO_PREFIX?REPO_PREFIX env variable must be specified}"

# build and push images
./hack/make-docker-images.sh

# update yaml
./hack/make-release-artifacts.sh

# create git release / push to master
log "Pushing k8s manifests to master..."
git tag "$TAG"
git add release/
git commit --allow-empty -m "Release $TAG"
git push --tags
git push origin master

log "Successfully tagged release $TAG."