Hotfix release branches #18
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# This workflow is intended to be manually triggered via the GitHub Action tab. | |
# Given a hotfix branch, it will attempt to open a PR to all release branches and | |
# by default auto merge them | |
name: Hotfix release branches | |
on: | |
workflow_dispatch: | |
inputs: | |
hotfix_commit: | |
description: 'Hotfix commit hash' | |
required: true | |
hotfix_suffix: | |
description: 'Hotfix branch suffix (e.g. hotfix/v0.8-{suffix})' | |
required: true | |
release_branch_pattern: | |
description: 'Release branch pattern (regex)' | |
required: true | |
default: 'release/.*' | |
auto_merge: | |
description: 'Automatically merge the hotfix PRs' | |
required: true | |
type: choice | |
default: 'true' | |
options: | |
- true | |
- false | |
jobs: | |
hotfix_release_branches: | |
permissions: write-all | |
# See https://runs-on.com/runners/linux/ | |
# use a lower powered instance since this just does i/o to docker hub | |
runs-on: [runs-on,runner=2cpu-linux-x64,"run-id=${{ github.run_id }}"] | |
steps: | |
# needs RKUO_DEPLOY_KEY for write access to merge PR's | |
- name: Checkout Repository | |
uses: actions/checkout@v4 | |
with: | |
ssh-key: "${{ secrets.RKUO_DEPLOY_KEY }}" | |
fetch-depth: 0 | |
- name: Set up Git user | |
run: | | |
git config user.name "Richard Kuo [bot]" | |
git config user.email "rkuo[bot]@danswer.ai" | |
- name: Fetch All Branches | |
run: | | |
git fetch --all --prune | |
- name: Verify Hotfix Commit Exists | |
run: | | |
git rev-parse --verify "${{ github.event.inputs.hotfix_commit }}" || { echo "Commit not found: ${{ github.event.inputs.hotfix_commit }}"; exit 1; } | |
- name: Get Release Branches | |
id: get_release_branches | |
run: | | |
BRANCHES=$(git branch -r | grep -E "${{ github.event.inputs.release_branch_pattern }}" | sed 's|origin/||' | tr -d ' ') | |
if [ -z "$BRANCHES" ]; then | |
echo "No release branches found matching pattern '${{ github.event.inputs.release_branch_pattern }}'." | |
exit 1 | |
fi | |
echo "Found release branches:" | |
echo "$BRANCHES" | |
# Join the branches into a single line separated by commas | |
BRANCHES_JOINED=$(echo "$BRANCHES" | tr '\n' ',' | sed 's/,$//') | |
# Set the branches as an output | |
echo "branches=$BRANCHES_JOINED" >> $GITHUB_OUTPUT | |
# notes on all the vagaries of wiring up automated PR's | |
# https://github.com/peter-evans/create-pull-request/blob/main/docs/concepts-guidelines.md#triggering-further-workflow-runs | |
# we must use a custom token for GH_TOKEN to trigger the subsequent PR checks | |
- name: Create and Merge Pull Requests to Matching Release Branches | |
env: | |
HOTFIX_COMMIT: ${{ github.event.inputs.hotfix_commit }} | |
HOTFIX_SUFFIX: ${{ github.event.inputs.hotfix_suffix }} | |
AUTO_MERGE: ${{ github.event.inputs.auto_merge }} | |
GH_TOKEN: ${{ secrets.RKUO_PERSONAL_ACCESS_TOKEN }} | |
run: | | |
# Get the branches from the previous step | |
BRANCHES="${{ steps.get_release_branches.outputs.branches }}" | |
# Convert BRANCHES to an array | |
IFS=$',' read -ra BRANCH_ARRAY <<< "$BRANCHES" | |
# Loop through each release branch and create and merge a PR | |
for RELEASE_BRANCH in "${BRANCH_ARRAY[@]}"; do | |
echo "Processing $RELEASE_BRANCH..." | |
# Parse out the release version by removing "release/" from the branch name | |
RELEASE_VERSION=${RELEASE_BRANCH#release/} | |
echo "Release version parsed: $RELEASE_VERSION" | |
HOTFIX_BRANCH="hotfix/${RELEASE_VERSION}-${HOTFIX_SUFFIX}" | |
echo "Creating PR from $HOTFIX_BRANCH to $RELEASE_BRANCH" | |
# Checkout the release branch | |
echo "Checking out $RELEASE_BRANCH" | |
git checkout "$RELEASE_BRANCH" | |
# Create the new hotfix branch | |
if git rev-parse --verify "$HOTFIX_BRANCH" >/dev/null 2>&1; then | |
echo "Hotfix branch $HOTFIX_BRANCH already exists. Skipping branch creation." | |
else | |
echo "Branching $RELEASE_BRANCH to $HOTFIX_BRANCH" | |
git checkout -b "$HOTFIX_BRANCH" | |
fi | |
# Check if the hotfix commit is a merge commit | |
if git rev-list --merges -n 1 "$HOTFIX_COMMIT" >/dev/null 2>&1; then | |
# -m 1 uses the target branch as the base (which is what we want) | |
echo "Hotfix commit $HOTFIX_COMMIT is a merge commit, using -m 1 for cherry-pick" | |
CHERRY_PICK_CMD="git cherry-pick -m 1 $HOTFIX_COMMIT" | |
else | |
CHERRY_PICK_CMD="git cherry-pick $HOTFIX_COMMIT" | |
fi | |
# Perform the cherry-pick | |
echo "Executing: $CHERRY_PICK_CMD" | |
eval "$CHERRY_PICK_CMD" | |
if [ $? -ne 0 ]; then | |
echo "Cherry-pick failed for $HOTFIX_COMMIT on $HOTFIX_BRANCH. Aborting..." | |
git cherry-pick --abort | |
continue | |
fi | |
# Push the hotfix branch to the remote | |
echo "Pushing $HOTFIX_BRANCH..." | |
git push origin "$HOTFIX_BRANCH" | |
echo "Hotfix branch $HOTFIX_BRANCH created and pushed." | |
# Check if PR already exists | |
EXISTING_PR=$(gh pr list --head "$HOTFIX_BRANCH" --base "$RELEASE_BRANCH" --state open --json number --jq '.[0].number') | |
if [ -n "$EXISTING_PR" ]; then | |
echo "An open PR already exists: #$EXISTING_PR. Skipping..." | |
continue | |
fi | |
# Create a new PR and capture the output | |
PR_OUTPUT=$(gh pr create --title "Merge $HOTFIX_BRANCH into $RELEASE_BRANCH" \ | |
--body "Automated PR to merge \`$HOTFIX_BRANCH\` into \`$RELEASE_BRANCH\`." \ | |
--head "$HOTFIX_BRANCH" --base "$RELEASE_BRANCH") | |
# Extract the URL from the output | |
PR_URL=$(echo "$PR_OUTPUT" | grep -Eo 'https://github.com/[^ ]+') | |
echo "Pull request created: $PR_URL" | |
# Extract PR number from URL | |
PR_NUMBER=$(basename "$PR_URL") | |
echo "Pull request created: $PR_NUMBER" | |
if [ "$AUTO_MERGE" == "true" ]; then | |
echo "Attempting to merge pull request #$PR_NUMBER" | |
# Attempt to merge the PR | |
gh pr merge "$PR_NUMBER" --merge --auto --delete-branch | |
if [ $? -eq 0 ]; then | |
echo "Pull request #$PR_NUMBER merged successfully." | |
else | |
# Optionally, handle the error or continue | |
echo "Failed to merge pull request #$PR_NUMBER." | |
fi | |
fi | |
done |