#!/usr/bin/env bash

#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You 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.
#

##
## Variables with defaults (if not overwritten by environment)
##
MVN=${MVN:-mvn}

##
## Required variables
##
OLD_VERSION=${OLD_VERSION}
NEW_VERSION=${NEW_VERSION}

if [ -z "${OLD_VERSION}" ]; then
    echo "NEW_VERSION was not set."
    exit 1
fi

if [ -z "${NEW_VERSION}" ]; then
    echo "NEW_VERSION was not set."
    exit 1
fi

# fail immediately
set -o errexit
set -o nounset

CURR_DIR=`pwd`
BASE_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
PROJECT_ROOT="${BASE_DIR}/../../"

# Sanity check to ensure that resolved paths are valid; a LICENSE file should aways exist in project root
if [ ! -f ${PROJECT_ROOT}/LICENSE ]; then
    echo "Project root path ${PROJECT_ROOT} is not valid; script may be in the wrong directory."
    exit 1
fi

###########################

cd ${PROJECT_ROOT}

# change version in all pom files
mvn versions:set -DgenerateBackupPoms=false -DnewVersion=${NEW_VERSION}

# change version in Dockerbuild file
perl -pi -e "s#^ENV OPERATOR_VERSION=.*#ENV OPERATOR_VERSION=${NEW_VERSION}#" Dockerfile
# change Helm chart version info
perl -pi -e "s#^version: .*#version: ${NEW_VERSION}#" helm/flink-kubernetes-operator/Chart.yaml
perl -pi -e "s#^appVersion: .*#appVersion: ${NEW_VERSION}#" helm/flink-kubernetes-operator/Chart.yaml
#change version of documentation
cd docs
perl -pi -e "s#^  Version = .*#  Version = \"${NEW_VERSION}\"#" config.toml
perl -pi -e "s#^  VersionTitle = .*#  VersionTitle = \"${NEW_VERSION}\"#" config.toml
cd ..

git commit -am "[release] Update version to ${NEW_VERSION}"

NEW_VERSION_COMMIT_HASH=`git rev-parse HEAD`

echo "Done. Created a new commit for the new version ${NEW_VERSION}, with hash ${NEW_VERSION_COMMIT_HASH}"
echo "If this is a new version to be released (or a candidate to be voted on), don't forget to create a signed release tag on GitHub and push the changes."
echo "e.g., git tag -s -m \"Apache Flink Kubernetes Operator, release 2.0 candidate #2\" release-2.2-rc2 ${NEW_VERSION_COMMIT_HASH}"

cd ${CURR_DIR}
