automerge.yml

name: "Automerge"
on:
  workflow_run:
    workflows:
      - CI
    types:
      - completed

jobs:
  Automerge:
    runs-on: ubuntu-latest
    if: |
      github.event.workflow_run.event == 'pull_request' &&
      github.event.workflow_run.conclusion == 'success'
    steps:
      - name: 'Merge PR'
        uses: actions/github-script@v6
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const pr = await github.rest.pulls.get({
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: context.payload.workflow_run.pull_requests[0].number,
            });
            if (!pr.data.title.startsWith('chore(deps-dev):')) {
              console.log('Not Merged 🚫');
              console.log(`Title '${pr.data.title}' does not start with 'chore(deps-dev):'`);
            } else if (pr.data.user.login !== 'dependabot[bot]') {
              console.log('Not Merged 🚫');
              console.log(`User '${pr.data.user.login}' does not equal 'dependabot[bot]'`);
            } else {
              await github.rest.pulls.merge({
                owner: context.repo.owner,
                repo: context.repo.repo,
                pull_number: context.payload.workflow_run.pull_requests[0].number,
              });
              console.log('Merged 🎉');
            }