istio.io/scripts/build_old_archive.sh

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#!/bin/bash
# Copyright Istio Authors
#
# 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.
# NOTE: this only works for v1.5+ because it needs an `archive-version`
# make target to create an archive.
set -ex
[[ $1 =~ ^build-old-archive-([0-9]\.[0-9]+)\.0$ ]] ||
{ echo "Target format error: should be 'build-old-archive-x.x.0', got '$1'"; exit 1; }
VERSION="${BASH_REMATCH[1]}"
CURRENT_BRANCH=$(git rev-parse --abbrev-ref HEAD)
ARCHIVE_BRANCH="release-${VERSION}"
git checkout "${ARCHIVE_BRANCH}"
git pull --ff-only "${ISTIOIO_GIT_SOURCE}" "${ARCHIVE_BRANCH}"
echo "Making an archive for ${ARCHIVE_BRANCH}..."
make archive-version
git checkout "${CURRENT_BRANCH}"
rm -rf "archive/v${VERSION}"
mv "archived_version/v${VERSION}" archive
if [[ $(git status --porcelain) && "${DRY_RUN:-}" != '1' ]]; then
git add "archive/v${VERSION}"
git commit -m "build an archive of v${VERSION} in ${CURRENT_BRANCH}"
git push origin "${CURRENT_BRANCH}"
fi