name: Bump Caddy version

on:
  schedule:
  - cron: "12 */4 * * *"

jobs:
  bump_caddy:
    runs-on: ubuntu-latest
    steps:

    - uses: actions/checkout@v2
      with:
        token: ${{ secrets.PUSH_GITHUB_TOKEN }}

    - name: Regenerate Dockerfiles
      run: make update

    - name: Configure git
      run: |
        git config user.name "${GITHUB_ACTOR}"
        git config user.email "${GITHUB_ACTOR}@users.noreply.github.com"

    - name: Commit and push changes
      run: |
        git add */Dockerfile
        if output=$(git status --porcelain) && [ ! -z "$output" ]; then
          git commit -m 'Bump Caddy version'
          git push
        fi