automerge-dependabot.yml

---
name: Auto-merge dependabot PR's

on:
  workflow_call:
    secrets:
      github-token:
        required: true

permissions:
  pull-requests: write
  contents: write

jobs:
  dependabot:
    name: Dependabot auto-merge
    runs-on: [self-hosted, nonroot]
    timeout-minutes: 15
    if: ${{ github.actor == 'dependabot[bot]' }}

    steps:
      - name: Dependabot metadata
        id: dependabot-metadata
        uses: dependabot/fetch-metadata@v2
        with:
          github-token: "${{ secrets.github-token }}"

      - name: Approve a PR
        run: gh pr review --approve "$PR_URL"
        env:
          PR_URL: ${{ github.event.pull_request.html_url }}
          GITHUB_TOKEN: ${{ secrets.github-token }}

      - name: Enable auto-merge for Dependabot PRs
        if: ${{ steps.dependabot-metadata.outputs.update-type != 'version-update:semver-major' && github.event.pull_request.check_suite.conclusion == 'success' }}
        run: gh pr merge --auto --squash "$PR_URL"
        env:
          PR_URL: ${{ github.event.pull_request.html_url }}
          GITHUB_TOKEN: ${{ secrets.github-token }}