web/tools/release.sh

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#!/usr/bin/env bash
#
# According to the GitLab flow release branching model,
# cherry-pick the last commit on the main branch to the release branch,
# and then create a tag and gem package on the release branch (naming format: 'release/<X.Y>').
#
#
# Usage:
#
# It can be run on main branch, and it should be used after just finishing the last feature in the version plan,
# or just after merging the hotfix to the main branch.
#
# Requires: Git, Gulp
set -eu
GEM_SPEC="jekyll-theme-chirpy.gemspec"
check() {
if [[ -n $(git status . -s) ]]; then
echo "Error: Commit unstaged files first, and then run this tool againt."
exit -1
fi
if [[ ! -f $GEM_SPEC ]]; then
echo -e "Error: Missing file \"$GEM_SPEC\"!\n"
exit -1
fi
}
## Remove unnecessary theme settings
cleanup_config() {
cp _config.yml _config.yml.bak
sed -i "s/^img_cdn:.*/img_cdn:/;s/^avatar:.*/avatar:/" _config.yml
}
resume_config() {
mv _config.yml.bak _config.yml
}
release() {
_default_branch="$(git symbolic-ref refs/remotes/origin/HEAD | sed 's@^refs/remotes/origin/@@')"
_version="$(grep "spec.version" jekyll-theme-chirpy.gemspec | sed 's/.*= "//;s/".*//')" # X.Y.Z
_release_branch="release/${_version%.*}"
if [[ -z $(git branch -v | grep "$_release_branch") ]]; then
# create a new release branch
git checkout -b "$_release_branch"
else
# cherry-pick the latest commit from default branch to release branch
_last_commit="$(git rev-parse "$_default_branch")"
git checkout "$_release_branch"
git cherry-pick "$_last_commit" -m 1
fi
# create new tag
echo -e "Create tag v$_version\n"
git tag "v$_version"
# build a gem package
echo -e "Build the gem pakcage for v$_version\n"
cleanup_config
rm -f ./*.gem
gem build "$GEM_SPEC"
resume_config
}
main() {
check
release
}
main