auto-merge.yml

name: Auto Merge Approved PRs

on:
  pull_request:
    types: [review_requested, review_request_removed, submitted, closed]

jobs:
  auto-merge:
    runs-on: ubuntu-latest
    if: github.event.pull_request.draft == false && github.event.pull_request.merged == false

    steps:
      - name: Check PR approval status
        uses: actions/github-script@v6
        id: check-approval
        with:
          script: |
            const { data: reviews } = await github.rest.pulls.listReviews({
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: context.issue.number,
            });
            const approvedReviews = reviews.filter(review => review.state === 'APPROVED');
            const requiredApprovals = 1; // Number of required approvals before merging

            if (approvedReviews.length >= requiredApprovals) {
              return 'approved';
            } else {
              return 'not_approved';
            }
          
      - name: Merge PR if approved
        if: steps.check-approval.outputs.result == 'approved'
        uses: actions/github-script@v6
        with:
          script: |
            await github.rest.pulls.merge({
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: context.issue.number,
              merge_method: 'rebase'
            });