auto-merged.yml

name: Dependabot automation

# https://docs.github.com/en/code-security/dependabot/working-with-dependabot/automating-dependabot-with-github-actions#enable-auto-merge-on-a-pull-request
on:
  pull_request:
    types:
      - opened

permissions:
  pull-requests: write # need to approve/merge
  contents: write # need to merge
  issues: write # need to append label
  repository-projects: write # need to change pull request title

jobs:
  dependabot-automation:
    runs-on: ubuntu-latest
    if: ${{ github.actor == 'dependabot[bot]' }}
    timeout-minutes: 15
    steps:
      - name: Dependabot metadata
        id: metadata
        uses: dependabot/fetch-metadata@v1.6.0
        with:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      - name: Approve & enable auto-merge for Dependabot PR
        if: |
          steps.metadata.outputs.update-type == 'version-update:semver-patch' ||
          (steps.metadata.outputs.update-type == 'version-update:semver-minor' && steps.metadata.outputs.dependency-type == 'direct:development')
        run: |
          gh pr review --approve "$PR_URL"
          gh pr edit "$PR_URL" -t "(auto merged) $PR_TITLE"
          gh pr merge --auto --merge "$PR_URL"
        env:
          PR_URL: ${{ github.event.pull_request.html_url }}
          PR_TITLE: ${{ github.event.pull_request.title }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}