dependabot.yml

name: Dependabot
on: pull_request

permissions:
  contents: write
  pull-requests: write
  packages: write

env:
  REGISTRY: ghcr.io
  IMAGE_AUTHOR: mentalfs
  IMAGE_NAME: irc3-twitch
  TAG: latest

jobs:
  docker:
    runs-on: ubuntu-latest
    if: ${{ github.actor == 'dependabot[bot]' }}

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Setup Docker buildx
        uses: docker/setup-buildx-action@v3

      - name: Log into registry ${{ env.REGISTRY }}
        if: ${{ github.ref != 'refs/heads/main' }}
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_AUTHOR }}/${{ env.IMAGE_NAME }}

      - name: Build Docker image and push to ${{ env.REGISTRY }}
        id: build-and-push
        uses: docker/build-push-action@v5
        with:
          context: .
          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_AUTHOR }}/${{ env.IMAGE_NAME }}:${{ env.TAG }}
          labels: ${{ steps.meta.outputs.labels }}
          provenance: false
          push: ${{ github.ref != 'refs/heads/main' }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

  automerge:
    needs: [docker]
    runs-on: ubuntu-latest
    if: ${{ github.actor == 'dependabot[bot]' }}

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

      - name: Enable auto-merge for Dependabot PRs
        run: gh pr merge --auto --merge "$PR_URL"
        env:
          PR_URL: ${{ github.event.pull_request.html_url }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}