merge-bot-pr.yml

name: Merge bot PR after CI
on: pull_request

permissions:
  contents: write
  pull-requests: write
  # checks: read # For private repositories
  # actions: read # For private repositories

jobs:
  judge-dependabot:
    timeout-minutes: 5
    runs-on: ubuntu-latest
    outputs:
      merge: ${{ steps.conclusion.outputs.merge }}
    if: ${{ github.actor == 'dependabot[bot]' }}
    steps:
      - name: Dependabot metadata
        id: dependabot
        uses: dependabot/fetch-metadata@v2.0.0
      - name: Judge
        id: conclusion
        if: >-
          steps.dependabot.outputs.update-type != 'version-update:semver-major' || contains(steps.dependabot.outputs.dependency-names, 'DeterminateSystems')
        run: echo -n 'merge=true' | tee -a "$GITHUB_OUTPUT"
  dependabot:
    needs: [judge-dependabot]
    if: ${{ needs.judge-dependabot.outputs.merge == 'true' }}
    timeout-minutes: 30
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Wait other jobs
        uses: kachick/wait-other-jobs@v2
        timeout-minutes: 30
        with:
          github-token: '${{ secrets.GITHUB_TOKEN }}'
          retry-method: 'equal_intervals'
          min-interval-seconds: '15'
      - name: Approve and merge
        run: gh pr review --approve "$PR_URL" && gh pr merge --auto --squash --delete-branch "$PR_URL"
        env:
          PR_URL: ${{github.event.pull_request.html_url}}
          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}

  # Avoid `automerge` renovate official feature.
  #   It wait longtime to be merged.
  # Avoid `platformAutomerge` renovate official feature.
  #   It requires many changes in GitHub settings.
  #    - `Allow auto-merge`
  #    - `Require status checks to pass before merging` and specify the status names
  #   Changing in all personal repository is annoy task for me. Even if using terrafform, getting mandatory CI names in each repo is too annoy!
  renovate:
    runs-on: ubuntu-latest
    if: ${{ github.actor == 'renovate[bot]' }}
    steps:
      - uses: actions/checkout@v4
      - name: Wait other jobs
        uses: kachick/wait-other-jobs@v2
        timeout-minutes: 30
        with:
          github-token: '${{ secrets.GITHUB_TOKEN }}'
          retry-method: 'equal_intervals'
          min-interval-seconds: '15'
      - name: Approve and merge
        run: gh pr review --approve "$PR_URL" && gh pr merge --auto --squash --delete-branch "$PR_URL"
        env:
          PR_URL: ${{github.event.pull_request.html_url}}
          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}