auto-merge.yml

# Pull request auto-merge
#
# Automatically merge pull requests after requirements are met.
#
# References:
#
# - https://cli.github.com/manual/gh_pr_merge
# - https://docs.github.com/actions/learn-github-actions/contexts
# - https://docs.github.com/actions/using-workflows/events-that-trigger-workflows#pull_request
# - https://docs.github.com/actions/using-workflows/using-github-cli-in-workflows
# - https://docs.github.com/repositories/configuring-branches-and-merges-in-your-repository/configuring-pull-request-merges/managing-auto-merge-for-pull-requests-in-your-repository
# - https://docs.github.com/webhooks-and-events/webhooks/webhook-events-and-payloads#pull_request
# - https://github.com/actions/checkout
# - https://github.com/hmarr/debug-action

---
name: auto-merge
on:
  pull_request:
    types:
      - opened
      - synchronize
env:
  GITHUB_TOKEN: ${{ secrets.PAT_REPO }}
jobs:
  auto-merge:
    if: github.event.pull_request.auto_merge == null && github.event.pull_request.draft == false
    runs-on: ubuntu-latest
    steps:
      - id: debug
        name: Print environment variables and event payload
        uses: hmarr/debug-action@v2.1.0
      - id: checkout
        name: Checkout ${{ github.head_ref }}
        uses: actions/checkout@v4.0.0
        with:
          persist-credentials: false
          ref: ${{ github.head_ref }}
      - id: enable
        name: Enable auto-merge
        run: gh pr merge ${{ github.event.number }} --auto --squash