Cleanup Stale Branches #8
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| name: Cleanup Stale Branches | |
| on: | |
| schedule: | |
| - cron: '0 8 * * 1' # Every Monday at 08:00 UTC | |
| workflow_dispatch: | |
| inputs: | |
| dry_run: | |
| description: 'List stale branches without deleting' | |
| type: boolean | |
| default: true | |
| permissions: | |
| contents: write | |
| jobs: | |
| cleanup: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - uses: actions/checkout@v4 | |
| with: | |
| fetch-depth: 0 | |
| - name: Delete stale branches | |
| # To preserve your branch from cleanup, do ONE of: | |
| # 1. Rename it under archive/: git branch -m my-branch archive/my-branch | |
| # 2. Keep an open PR (including drafts) pointing to it | |
| # 3. Add the branch pattern to PROTECTED below | |
| env: | |
| GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| run: | | |
| DRY_RUN="${{ github.event_name == 'schedule' && 'true' || inputs.dry_run }}" | |
| COPILOT_DAYS=90 | |
| DEFAULT_DAYS=180 | |
| COPILOT_CUTOFF=$(date -d "$COPILOT_DAYS days ago" +%s) | |
| DEFAULT_CUTOFF=$(date -d "$DEFAULT_DAYS days ago" +%s) | |
| PROTECTED='^(main|master|develop|release/|hotfix/|archive/|[0-9]+\.[0-9]+-stable|preview-)' | |
| echo "Stale threshold: copilot/* = $COPILOT_DAYS days, others = $DEFAULT_DAYS days | Dry run: $DRY_RUN" | |
| git branch -r --format='%(refname:short) %(committerdate:unix)' | while read -r REF DATE; do | |
| BRANCH="${REF#origin/}" | |
| [ "$BRANCH" = "HEAD" ] && continue | |
| echo "$BRANCH" | grep -qE "$PROTECTED" && continue | |
| # copilot branches: 90 days, all others: 180 days | |
| if echo "$BRANCH" | grep -q '^copilot'; then | |
| [ "$DATE" -ge "$COPILOT_CUTOFF" ] 2>/dev/null && continue | |
| else | |
| [ "$DATE" -ge "$DEFAULT_CUTOFF" ] 2>/dev/null && continue | |
| fi | |
| # Skip branches with open PRs (including drafts) | |
| PR_COUNT=$(gh pr list --head "$BRANCH" --state open --json number --jq 'length' 2>/dev/null || echo "0") | |
| if [ "$PR_COUNT" -gt 0 ]; then | |
| echo "[skipped] $BRANCH (has open PR)" | |
| continue | |
| fi | |
| LAST=$(date -d "@$DATE" +%Y-%m-%d) | |
| if [ "$DRY_RUN" = "true" ]; then | |
| echo "[stale] $BRANCH (last commit: $LAST)" | |
| else | |
| echo "Deleting $BRANCH (last commit: $LAST)" | |
| git push origin --delete "$BRANCH" || echo " Failed to delete $BRANCH" | |
| fi | |
| done |