merge.yml

name: Merge

on:
  pull_request_review:
    types: [submitted]

jobs:
  merge:
    permissions:
      contents: write
      pull-requests: write
    if:
      github.event.review.state == 'approved' &&
      (
        github.event.review.author_association == 'OWNER' ||
        github.event.review.author_association == 'MEMBER' ||
        github.event.review.author_association == 'COLLABORATOR'
      )
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Set Git config
        run: |
          git config --local user.name "github-actions[bot]"
          git config --local user.email "41898282+github-actions[bot]@users.noreply.github.com"
      - name: Rebase to target branch when needed in order to fast-forward merge
        run: |
          git fetch origin ${{ github.event.pull_request.base.ref }}
          git rebase origin/${{ github.event.pull_request.base.ref }}
      - name: Push back source branch (head)
        run: |
          git push "${{ github.event.pull_request.head.repo.clone_url }}" HEAD:${{ github.event.pull_request.head.ref }} --force
      - name: Push to target branch (base)
        run: |
          # git push "${{ github.event.pull_request.base.repo.clone_url }}" ${{ github.event.pull_request.base.ref }}
          git push origin HEAD:${{ github.event.pull_request.base.ref }}