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add release.sh to make release process easier
Signed-off-by: Ryotaro Banno <[email protected]>
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‎release.sh

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#!/usr/bin/env bash
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#set -x
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set -eu
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set -o pipefail
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check-git-branches(){
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if [ "$(git rev-parse --abbrev-ref HEAD)" != "main" ]; then
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echo "ERROR: call me from the main branch."
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exit 1
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fi
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if [ "$(git rev-parse main)" != $(git rev-parse origin/main) ]; then
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echo "ERROR: run 'git pull' beforehand."
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exit 1
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fi
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}
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list-prs(){
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commit_range=$1
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shift
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# Get the commits related to the topic.
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git log --pretty=%h $commit_range -- "$@" | \
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# Group the commits in sets of 10.
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awk 'NR == 1 { a = $1 } NR != 1 && NR % 10 == 1 { print a; a = $1 } { a = a "," $1 } END { print a }' | \
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# Get the PRs of the commits.
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xargs -I@ gh pr list -s all -S @ --json mergedAt,title,url,author | \
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# Format the ChangeLog messages using the PRs info.
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jq -r '.[] | .mergedAt+"* "+.title+" by @"+.author.login+" in "+.url' | \
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sort -u | \
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sed -r 's/^[^*]+//'
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}
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get-mantle-latest-tag(){
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git describe --tags --abbrev=0 --match='v*' | sed 's/^v//'
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}
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case-mantle(){
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check-git-branches
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# Check Mantle's changes
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MANTLE_LATEST_TAG=$(get-mantle-latest-tag)
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MANTLE_PRS=$(list-prs v$MANTLE_LATEST_TAG...HEAD . ":^charts")
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if [ "$MANTLE_PRS" = "" ]; then
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echo "You don't have to release Mantle."
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else
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echo "What's Changed:"
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echo
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echo "$MANTLE_PRS"
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echo
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echo "The current version is" $MANTLE_LATEST_TAG
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echo -n "Next version? (only numbers and dots accepted) "
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read NEXT_MANTLE_VERSION
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echo "Run the following code:"
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echo
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echo -e "\tgit switch main"
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echo -e "\tgit pull"
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echo -e "\tgit tag v${NEXT_MANTLE_VERSION}"
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echo -e "\tgit push origin v${NEXT_MANTLE_VERSION}"
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echo
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echo "Then, CI will draft a new release, so edit it to publish it."
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echo "After that, please run '$0 mantle-helm-chart'"
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echo
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echo "Please see RELEASE.md for the details."
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fi
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}
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case-mantle-helm-chart(){
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check-git-branches
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# Check mantle Helm Chart changes
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MANTLE_HELM_CHART_LATEST_TAG=$(git describe --tags --abbrev=0 --match='mantle-chart-*')
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MANTLE_HELM_CHART_PRS=$(list-prs $MANTLE_HELM_CHART_LATEST_TAG...HEAD charts/mantle)
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if [ "$MANTLE_HELM_CHART_PRS" = "" ]; then
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echo "You don't have to release mantle Helm Chart."
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else
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MANTLE_LATEST_TAG=$(get-mantle-latest-tag)
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echo "What's Changed:"
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echo
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echo "$MANTLE_HELM_CHART_PRS"
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echo
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echo "The detected Mantle version is" $MANTLE_LATEST_TAG
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echo "The current version is" $MANTLE_HELM_CHART_LATEST_TAG
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echo -n "Next version (only numbers and dots accepted)? "
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read MANTLE_HELM_CHART_NEXT_VERSION
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echo "Run the following code:"
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echo
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echo -e "\tAPPVERSION=$MANTLE_LATEST_TAG"
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echo -e "\tCHARTVERSION=$MANTLE_HELM_CHART_NEXT_VERSION"
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echo -e "\tgit switch main"
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echo -e "\tgit pull"
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echo -e "\tgit switch -c bump-mantle-chart-\${CHARTVERSION}"
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echo -e "\tsed -r -i" '"s/appVersion: \"[[:digit:]]+\.[[:digit:]]+\.[[:digit:]]+\"/appVersion: \"${APPVERSION}\"/g" charts/mantle/Chart.yaml'
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echo -e "\tsed -r -i" '"s/^version: [[:digit:]]+\.[[:digit:]]+\.[[:digit:]]+/version: ${CHARTVERSION}/g" charts/mantle/Chart.yaml'
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echo -e "\tgit commit -a -s -m" '"Bump mantle chart version to ${CHARTVERSION}"'
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echo -e "\tgit push --set-upstream origin bump-mantle-chart-\${CHARTVERSION}"
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echo
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echo "Then,"
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echo "1. Create a PR and merge it."
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echo "2. Run CI https://github.com/cybozu-go/mantle/actions/workflows/helm-release.yaml to release the new Helm Chart."
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echo "3. Edit the release note."
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echo "4. Run '$0 mantle-cluster-wide-helm-chart'"
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echo
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echo "Please see RELEASE.md for the details."
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fi
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}
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case-mantle-cluster-wide-helm-chart(){
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check-git-branches
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# Check mantle-cluster-wide Helm Chart changes
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MANTLE_CLUSTER_WIDE_HELM_CHART_LATEST_TAG=$(git describe --tags --abbrev=0 --match='mantle-cluster-wide-chart-*')
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MANTLE_CLUSTER_WIDE_HELM_CHART_PRS=$(list-prs $MANTLE_CLUSTER_WIDE_HELM_CHART_LATEST_TAG...HEAD charts/mantle-cluster-wide)
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if [ "$MANTLE_CLUSTER_WIDE_HELM_CHART_PRS" = "" ]; then
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echo "You don't have to release mantle-cluster-wide Helm Chart."
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else
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echo "What's Changed:"
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echo
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echo "$MANTLE_CLUSTER_WIDE_HELM_CHART_PRS"
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echo
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echo "The current version is" $MANTLE_CLUSTER_WIDE_HELM_CHART_LATEST_TAG
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echo -n "Next version (only numbers and dots accepted)? "
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read MANTLE_CLUSTER_WIDE_HELM_CHART_NEXT_VERSION
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echo "Run the following code:"
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echo
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MANTLE_LATEST_TAG=$(get-mantle-latest-tag)
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echo -e "\tAPPVERSION=$MANTLE_LATEST_TAG"
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echo -e "\tCHARTVERSION=$MANTLE_CLUSTER_WIDE_HELM_CHART_NEXT_VERSION"
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echo -e "\tgit switch main"
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echo -e "\tgit pull"
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echo -e "\tgit" 'switch -c bump-mantle-cluster-wide-chart-${CHARTVERSION}'
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echo -e "\tsed" '-r -i "s/appVersion: \"[[:digit:]]+\.[[:digit:]]+\.[[:digit:]]+\"/appVersion: \"${APPVERSION}\"/g" charts/mantle-cluster-wide/Chart.yaml'
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echo -e "\tsed" '-r -i "s/^version: [[:digit:]]+\.[[:digit:]]+\.[[:digit:]]+/version: ${CHARTVERSION}/g" charts/mantle-cluster-wide/Chart.yaml'
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echo -e "\tgit" 'commit -a -s -m "Bump mantle-cluster-wide chart version to ${CHARTVERSION}"'
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echo -e "\tgit" 'push --set-upstream origin bump-mantle-cluster-wide-chart-${CHARTVERSION}'
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echo
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echo "Then,"
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echo "1. Create a PR and merge it."
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echo "2. Run CI https://github.com/cybozu-go/mantle/actions/workflows/helm-release.yaml to release the new Helm Chart."
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echo "3. Edit the release note."
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echo
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echo "Please see RELEASE.md for the details."
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fi
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}
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case "$@" in
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mantle )
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case-mantle
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;;
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mantle-helm-chart )
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case-mantle-helm-chart
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;;
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mantle-cluster-wide-helm-chart )
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case-mantle-cluster-wide-helm-chart
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;;
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* )
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echo "Usage: $0 <command>"
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echo
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cat <<EOS
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This script helps the maintainers release Mantle and its Helm Charts. It checks
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that there are some changes to be released, then prints instructions to release
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them if necessary.
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Commands:
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mantle:
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Print instructions to release Mantle.
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mantle-helm-chart:
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Print instructions to release mantle Helm Chart.
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mantle-cluster-wide-helm-chart:
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Print instructions to release mantle-cluster-wide Helm Chart.
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EOS
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;;
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esac

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