name: Protobuf Janitor

on:
  schedule:
    # Run daily at 10 AM UTC (2 AM PDT)
    - cron: 0 10 * * *
  workflow_dispatch:

jobs:
  stale-prs:
    name: Close Stale Copybara PRs
    runs-on: ubuntu-latest
    steps:
      run: |
        set -ex
        STALE_PRS=$(gh pr list --author "app/copybara-service" --limit 500 \
            --json "number" --search "updated:<=$(date --date="-7 day" +%F)" \
          | jq ".[].number")
        for pr in $(STALE_PRS); do
          echo "Closing #$pr..."
          gh pr close --comment "Auto-closing Copybara pull request" --delete-branch "$pr"
        done
      env:
        GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}