name: Test Docker

on: [push, pull_request, workflow_dispatch]

jobs:
  build:

    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        docker: [
          # Run slower jobs first to give them a headstart and reduce waiting time
          ubuntu-20.04-focal-arm64v8,
          ubuntu-20.04-focal-ppc64le,
          ubuntu-20.04-focal-s390x,
          # Then run the remainder
          alpine,
          amazon-2-amd64,
          arch,
          centos-7-amd64,
          centos-8-amd64,
          centos-stream-8-amd64,
          debian-10-buster-x86,
          fedora-34-amd64,
          fedora-35-amd64,
          ubuntu-18.04-bionic-amd64,
          ubuntu-20.04-focal-amd64,
        ]
        dockerTag: [main]
        include:
          - docker: "ubuntu-20.04-focal-arm64v8"
            qemu-arch: "aarch64"
          - docker: "ubuntu-20.04-focal-ppc64le"
            qemu-arch: "ppc64le"
          - docker: "ubuntu-20.04-focal-s390x"
            qemu-arch: "s390x"

    name: ${{ matrix.docker }}

    steps:
    - uses: actions/checkout@v2

    - name: Build system information
      run: python3 .github/workflows/system-info.py

    - name: Set up QEMU
      if: "matrix.qemu-arch"
      run: |
        docker run --rm --privileged aptman/qus -s -- -p ${{ matrix.qemu-arch }}

    - name: Docker pull
      run: |
        docker pull pythonpillow/${{ matrix.docker }}:${{ matrix.dockerTag }}

    - name: Docker build
      run: |
        # The Pillow user in the docker container is UID 1000
        sudo chown -R 1000 $GITHUB_WORKSPACE
        docker run --name pillow_container  -v $GITHUB_WORKSPACE:/Pillow pythonpillow/${{ matrix.docker }}:${{ matrix.dockerTag }}
        sudo chown -R runner $GITHUB_WORKSPACE

    - name: After success
      run: |
        PATH="$PATH:~/.local/bin"
        docker start pillow_container
        pil_path=`docker exec pillow_container /vpy3/bin/python -c 'import os, PIL;print(os.path.realpath(os.path.dirname(PIL.__file__)))'`
        docker stop pillow_container
        sudo mkdir -p $pil_path
        sudo cp src/PIL/*.py $pil_path
        .ci/after_success.sh
      env:
        MATRIX_DOCKER: ${{ matrix.docker }}

    - name: Upload coverage
      uses: codecov/codecov-action@v1
      with:
        flags: GHA_Docker
        name: ${{ matrix.docker }}

  success:
    needs: build
    runs-on: ubuntu-latest
    name: Docker Test Successful
    steps:
      - name: Success
        run: echo Docker Test Successful