Cleanup Merged/Closed PR Branches #6
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| name: Cleanup Merged/Closed PR Branches | |
| on: | |
| schedule: | |
| - cron: '0 2 * * 0' # Every Sunday at 2 AM UTC | |
| workflow_dispatch: # Allow manual triggering | |
| inputs: | |
| dry_run: | |
| description: 'Dry run (show what would be deleted without actually deleting)' | |
| required: false | |
| default: 'false' | |
| type: boolean | |
| permissions: | |
| contents: write | |
| pull-requests: read | |
| jobs: | |
| cleanup-branches: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@v4 | |
| with: | |
| fetch-depth: 0 # Need full history to see all branches | |
| token: ${{ secrets.PAT_TOKEN }} | |
| - name: Install GitHub CLI | |
| run: | | |
| curl -fsSL https://cli.github.com/packages/githubcli-archive-keyring.gpg | sudo dd of=/usr/share/keyrings/githubcli-archive-keyring.gpg \ | |
| && sudo chmod go+r /usr/share/keyrings/githubcli-archive-keyring.gpg \ | |
| && echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/githubcli-archive-keyring.gpg] https://cli.github.com/packages stable main" | sudo tee /etc/apt/sources.list.d/github-cli.list > /dev/null \ | |
| && sudo apt update \ | |
| && sudo apt install gh -y | |
| - name: Configure git | |
| run: | | |
| git config --global user.email "[email protected]" | |
| git config --global user.name "GitHub Action" | |
| - name: Cleanup merged/closed PR branches | |
| env: | |
| GH_TOKEN: ${{ secrets.PAT_TOKEN }} | |
| run: | | |
| echo "Starting branch cleanup process..." | |
| # Check if this is a dry run | |
| DRY_RUN="${{ github.event.inputs.dry_run || 'false' }}" | |
| if [ "$DRY_RUN" = "true" ]; then | |
| echo "🔍 DRY RUN MODE - No branches will actually be deleted" | |
| echo "" | |
| fi | |
| # Define protected branches and patterns | |
| protected_branches=( | |
| "master" | |
| "main" | |
| ) | |
| # Translation branch patterns (any 2-letter combination) | |
| translation_pattern="^[a-zA-Z]{2}$" | |
| # Get all remote branches except protected ones | |
| echo "Fetching all remote branches..." | |
| git fetch --all --prune | |
| # Get list of all remote branches (excluding HEAD) | |
| all_branches=$(git branch -r | grep -v 'HEAD' | sed 's/origin\///' | grep -v '^$') | |
| # Get all open PRs to identify branches with open PRs | |
| echo "Getting list of open PRs..." | |
| open_pr_branches=$(gh pr list --state open --json headRefName --jq '.[].headRefName' | sort | uniq) | |
| echo "Open PR branches:" | |
| echo "$open_pr_branches" | |
| echo "" | |
| deleted_count=0 | |
| skipped_count=0 | |
| for branch in $all_branches; do | |
| branch=$(echo "$branch" | xargs) # Trim whitespace | |
| # Skip if empty | |
| if [ -z "$branch" ]; then | |
| continue | |
| fi | |
| echo "Checking branch: $branch" | |
| # Check if it's a protected branch | |
| is_protected=false | |
| for protected in "${protected_branches[@]}"; do | |
| if [ "$branch" = "$protected" ]; then | |
| echo " ✓ Skipping protected branch: $branch" | |
| is_protected=true | |
| skipped_count=$((skipped_count + 1)) | |
| break | |
| fi | |
| done | |
| if [ "$is_protected" = true ]; then | |
| continue | |
| fi | |
| # Check if it's a translation branch (any 2-letter combination) | |
| # Also protect any branch that starts with 2 letters followed by additional content | |
| if echo "$branch" | grep -Eq "$translation_pattern" || echo "$branch" | grep -Eq "^[a-zA-Z]{2}[_-]"; then | |
| echo " ✓ Skipping translation/language branch: $branch" | |
| skipped_count=$((skipped_count + 1)) | |
| continue | |
| fi | |
| # Check if branch has an open PR | |
| if echo "$open_pr_branches" | grep -Fxq "$branch"; then | |
| echo " ✓ Skipping branch with open PR: $branch" | |
| skipped_count=$((skipped_count + 1)) | |
| continue | |
| fi | |
| # Check if branch had a PR that was merged or closed | |
| echo " → Checking PR history for branch: $branch" | |
| # Look for PRs from this branch (both merged and closed) | |
| pr_info=$(gh pr list --state all --head "$branch" --json number,state,mergedAt --limit 1) | |
| if [ "$pr_info" != "[]" ]; then | |
| pr_state=$(echo "$pr_info" | jq -r '.[0].state') | |
| pr_number=$(echo "$pr_info" | jq -r '.[0].number') | |
| merged_at=$(echo "$pr_info" | jq -r '.[0].mergedAt') | |
| if [ "$pr_state" = "MERGED" ] || [ "$pr_state" = "CLOSED" ]; then | |
| if [ "$DRY_RUN" = "true" ]; then | |
| echo " 🔍 [DRY RUN] Would delete branch: $branch (PR #$pr_number was $pr_state)" | |
| deleted_count=$((deleted_count + 1)) | |
| else | |
| echo " ✗ Deleting branch: $branch (PR #$pr_number was $pr_state)" | |
| # Delete the remote branch | |
| if git push origin --delete "$branch" 2>/dev/null; then | |
| echo " Successfully deleted remote branch: $branch" | |
| deleted_count=$((deleted_count + 1)) | |
| else | |
| echo " Failed to delete remote branch: $branch" | |
| fi | |
| fi | |
| else | |
| echo " ✓ Skipping branch with open PR: $branch (PR #$pr_number is $pr_state)" | |
| skipped_count=$((skipped_count + 1)) | |
| fi | |
| else | |
| # No PR found for this branch - it might be a stale branch | |
| # Check if branch is older than 30 days and has no recent activity | |
| last_commit_date=$(git log -1 --format="%ct" origin/"$branch" 2>/dev/null || echo "0") | |
| if [ "$last_commit_date" != "0" ] && [ -n "$last_commit_date" ]; then | |
| # Calculate 30 days ago in seconds since epoch | |
| thirty_days_ago=$(($(date +%s) - 30 * 24 * 60 * 60)) | |
| if [ "$last_commit_date" -lt "$thirty_days_ago" ]; then | |
| if [ "$DRY_RUN" = "true" ]; then | |
| echo " 🔍 [DRY RUN] Would delete stale branch (no PR, >30 days old): $branch" | |
| deleted_count=$((deleted_count + 1)) | |
| else | |
| echo " ✗ Deleting stale branch (no PR, >30 days old): $branch" | |
| if git push origin --delete "$branch" 2>/dev/null; then | |
| echo " Successfully deleted stale branch: $branch" | |
| deleted_count=$((deleted_count + 1)) | |
| else | |
| echo " Failed to delete stale branch: $branch" | |
| fi | |
| fi | |
| else | |
| echo " ✓ Skipping recent branch (no PR, <30 days old): $branch" | |
| skipped_count=$((skipped_count + 1)) | |
| fi | |
| else | |
| echo " ✓ Skipping branch (cannot determine age): $branch" | |
| skipped_count=$((skipped_count + 1)) | |
| fi | |
| fi | |
| echo "" | |
| done | |
| echo "==================================" | |
| echo "Branch cleanup completed!" | |
| if [ "$DRY_RUN" = "true" ]; then | |
| echo "Branches that would be deleted: $deleted_count" | |
| else | |
| echo "Branches deleted: $deleted_count" | |
| fi | |
| echo "Branches skipped: $skipped_count" | |
| echo "==================================" | |
| # Clean up local tracking branches (only if not dry run) | |
| if [ "$DRY_RUN" != "true" ]; then | |
| echo "Cleaning up local tracking branches..." | |
| git remote prune origin | |
| fi | |
| echo "Cleanup process finished." |