generate-dockerfiles-patches.yml

name: Generate Dockerfiles/patches

on:
  push:
    branches:
      - master
    tags-ignore:
      - '*'
  pull_request:
    paths:
      - cpanfile
      - config.yml
      - generate.pl
      - .github/workflows/generate-dockerfiles-patches.yml

jobs:
  generate:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7

      - name: Set up git user name and email
        run: |
          git config --global user.email "test@github-actions"
          git config --global user.name "GitHub Actions"

      - name: Install system perl and cpanm
        run: |
          sudo apt-get update && sudo apt-get install -y --no-install-recommends perl cpanminus

      - name: Install dependencies
        run: |
          sudo cpanm --quiet --installdeps --notest .

      - name: Generate Dockerfiles/patches
        id: generate
        run: |
          export DOCKER_PERL_DOWNLOADS_DIR=/tmp/docker-perl-downloads
          perl ./generate.pl
          /usr/bin/git --no-pager diff --stat > diffstat.txt
          if [[ -s diffstat.txt ]]; then
            echo has_extra_diffs=1 >> $GITHUB_OUTPUT
          fi

      - name: Fail if there are extra diffs
        if: steps.generate.outputs.has_extra_diffs
        run: |
          echo "::error title=generate::Extra diffs found during generate"
          echo "Additional changes found during generate - check diffstat below:"
          echo "::group::diffstat"
          cat diffstat.txt
          echo "::endgroup::"
          echo

          exit 1