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#!/usr/bin/env bash

# Copyright The Helm Authors. All rights reserved.

#

# 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.

set -o errexit

set -o nounset

set -o pipefail

readonly SCRIPT_DIR=$(dirname "$(readlink -f "$0")")

show_help() {

cat << EOF

Usage: $(basename "$0") <options>

Create and push a tag.

-h, --help Display help

-d, --debug Display verbose output

-r, --remote The name of the remote to push the tag to (default: upstream)

-f, --force Force an existing tag to be overwritten

-t, --tag The name of the tag to create

-s, --skip-push Skip pushing the tag

EOF

}

main() {

local debug=

local tag=

local remote=upstream

local force=()

local skip_push=

while :; do

case "${1:-}" in

-h|--help)

show_help

exit

;;

-d|--debug)

debug=true

;;

-t|--tag)

if [[ -n "${2:-}" ]]; then

tag="$2"

shift

else

echo "ERROR: '--tag' cannot be empty." >&2

show_help

exit 1

fi

;;

-r|--remote)

if [[ -n "${2:-}" ]]; then

remote="$2"

shift

else

echo "ERROR: '--remote' cannot be empty." >&2

show_help

exit 1

fi

;;

-f|--force)

force+=(--force)

;;

-s|--skip-push)

skip_push=true

;;

*)

break

;;

esac

shift

done

if [[ -z "$tag" ]]; then

echo "ERROR: --tag is required!" >&2

show_help

exit 1

fi

if [[ -n "$debug" ]]; then

set -x

fi

pushd "$SCRIPT_DIR" > /dev/null

git fetch "$remote"

git tag -a -m "Release $tag" "$tag" "$remote/master" "${force[@]}"

if [[ -z "$skip_push" ]]; then

git push "$remote" "refs/tags/$tag" "${force[@]}"

fi

popd > /dev/null

}

main "$@"