merge.yaml

# https://docs.github.com/en/actions

name: "Merge"

on: # yamllint disable-line rule:truthy
  workflow_run:
    types:
      - "completed"
    workflows:
      - "Integrate"

jobs:
  merge:
    name: "Merge"

    runs-on: "ubuntu-latest"

    if: >
      github.event.workflow_run.event == 'pull_request' &&
      github.event.workflow_run.conclusion == 'success' &&
      github.actor == 'dependabot[bot]' && (
        startsWith(github.event.workflow_run.head_commit.message, 'composer(deps-dev)') ||
        startsWith(github.event.workflow_run.head_commit.message, 'github-actions(deps)')
      )

    steps:
      - name: "Approve pull request"
        uses: "actions/github-script@v6"
        with:
          github-token: "${{ secrets.GITHUB_TOKEN }}"
          script: |
            const pullRequest = context.payload.workflow_run.pull_requests[0];
            const repository = context.repo;

            await github.rest.pulls.createReview({
              event: "APPROVE",
              owner: repository.owner,
              repo: repository.repo,
              pull_number: pullRequest.number,
            });

      - name: "Merge pull request"
        uses: "actions/github-script@v6"
        with:
          github-token: "${{ secrets.GITHUB_TOKEN }}"
          script: |
            const pullRequest = context.payload.workflow_run.pull_requests[0];
            const repository = context.repo;

            await github.rest.pulls.merge({
              merge_method: "merge",
              owner: repository.owner,
              pull_number: pullRequest.number,
              repo: repository.repo,
            });