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#!/bin/bash
# Copyright The OpenTelemetry Authors
# SPDX-License-Identifier: Apache-2.0
usage() { echo "Usage: $0 -t <tag>" 1>&2; exit 1; }
while getopts ":t:" o; do
case "${o}" in
t)
tag=${OPTARG}
;;
*)
usage
;;
esac
done
if [ ! -z "${t}" ]; then
usage
fi
#validate tag
semver_regex="^(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)(\\-[0-9A-Za-z-]+(\\.[0-9A-Za-z-]+)*)?(\\+[0-9A-Za-z-]+(\\.[0-9A-Za-z-]+)*)?$"
if [[ ${tag} =~ ${semver_regex} ]]; then
echo "${tag} is valid semver tag"
else
echo "Error: ${tag} is not a valid semver tag. Exiting"
exit -1
fi
#ensure tag doesn't exits
if [[ $(git tag --list ${tag}) ]]; then
echo "Error: Tag ${tag} already exists. Exiting"
exit -1
fi
if ! git diff --quiet; then \
echo "Error: Working tree is not clean, can't proceed with the release process\n"
git status
git diff
exit 1
fi
# check changelog exists
changelog_file="./CHANGELOG.md"
if [ ! -f $changelog_file ]; then
echo "Error: $changelog_file doesn't exist. Ensure that you are running this script from repo root directory "
exit 1
fi
if [ ! grep -q "^\#\# \[Unreleased\]$" $changelog_file ]; then
echo "Error: $changelog_file doesn't contain Unreleased information. Please update the file with changes and run this script again."
exit 1
fi
git checkout -b pre_release_${tag} main
if [ $? -ne 0 ]; then
echo "Error: Cannot create release branch. Ensure you have sufficient permissions to repo and try again."
exit 1
fi
# update CHANGELOG.md
date=$(date '+%Y-%m-%d')
sed -i "/\#\# \[Unreleased\]/a\\ \n\#\# \[${tag}\] ${date}" $changelog_file
if [ $? -ne 0 ]; then
echo "Error: Cannot update CHANGELOG.md file. Update it manually, create the ${tag} and push changes to upstream"
exit 1
fi
git add CHANGELOG.md
git commit -m "Prepare for releasing ${tag}"
echo "Now validate the changes using git diff main, create the ${tag} and push changes to upstream"
echo
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