name: Dependabot Auto Merge

on:
  pull_request:
    types:
      - opened
      - synchronize
      - reopened
      - labeled

permissions:
  contents: write
  pull-requests: write

jobs:
  enable-automerge:
    if: github.event.pull_request.user.login == 'dependabot[bot]'
    runs-on: ubuntu-latest
    timeout-minutes: 10

    steps:
      - name: Fetch Dependabot metadata
        id: metadata
        uses: dependabot/fetch-metadata@d7267f607e9d3fb96fc2fbe83e0af444713e90b7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}

      - name: Enable auto-merge for patch updates
        if: |
          (github.event.pull_request.base.ref == 'main') &&
          (
            steps.metadata.outputs.update-type == 'version-update:semver-patch' ||
            steps.metadata.outputs.update-type == 'security:update'
          )
        run: gh pr merge --auto --merge "$PR_URL"
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          PR_URL: ${{ github.event.pull_request.html_url }}