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Hotfix release branches #34

Hotfix release branches

Hotfix release branches #34

# 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