name: Test Docker images (on PR)

on:
  pull_request:
    paths:
      # Run only when DockerFile files are modified
      - "docker/*/Dockerfile"

permissions: {}

jobs:
  get_changed_files:
    name: "Build all modified docker images"
    runs-on: ubuntu-latest
    outputs:
      matrix: ${{ steps.set-matrix.outputs.matrix }}
    steps:
      - name: Check out code
        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0  # v7.0.0
        with:
          persist-credentials: false
      - name: Get changed files
        id: changed-files
        uses: tj-actions/changed-files@9426d40962ed5378910ee2e21d5f8c6fcbf2dd96  # v47.0.6
        with:
          files: docker/*/Dockerfile
          json: "true"
      - name: Run step if only the files listed above change
        if: steps.changed-files.outputs.any_changed == 'true'
        id: set-matrix
        env:
          CHANGED_FILES: "${{ steps.changed-files.outputs.all_changed_files }}"
        run: |
          echo "matrix=$(echo ${CHANGED_FILES} | sed -e 's/\\\"/\"/g')" >> $GITHUB_OUTPUT
  build_modified_files:
    needs: get_changed_files
    name: Build Docker images on modified files
    runs-on: ubuntu-latest
    if: ${{ needs.get_changed_files.outputs.matrix != '[]' }}
    strategy:
      fail-fast: false
      matrix:
        docker-file: ${{ fromJson(needs.get_changed_files.outputs.matrix) }}
    steps:
      - name: Cleanup disk
        run: |
          sudo ls -l /usr/local/lib/
          sudo ls -l /usr/share/
          sudo du -sh /usr/local/lib/
          sudo du -sh /usr/share/
          sudo rm -rf /usr/local/lib/android
          sudo rm -rf /usr/share/dotnet
          sudo du -sh /usr/local/lib/
          sudo du -sh /usr/share/
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd  # v4.0.0
      - name: Check out code
        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0  # v7.0.0
        with:
          persist-credentials: false
      - name: Build Docker image
        uses: docker/build-push-action@bcafcacb16a39f128d818304e6c9c0c18556b85f  # v7.1.0
        with:
          file: ${{ matrix.docker-file }}
          context: .
          push: False