build-manylinux.yml

name: ManyLinux

# Run CI only when a release is created, on changes to main branch, or any PR
# to main. Do not run CI on any other branch. Also, skip any non-source changes
# from running on CI
on:
  push:
    branches: main
    paths-ignore:
      - 'docs/**'
      - 'examples/**'
      - '.gitignore'
      - '*.rst'
      - '*.md'
      - '.github/workflows/*.yml'
      # re-include current file to not be excluded
      - '!.github/workflows/build-manylinux.yml'

  pull_request:
    branches: main
    paths-ignore:
      - 'docs/**'
      - 'examples/**'
      - '.gitignore'
      - '*.rst'
      - '*.md'
      - '.github/workflows/*.yml'
      # re-include current file to not be excluded
      - '!.github/workflows/build-manylinux.yml'

  # the github release drafter can call this workflow
  workflow_call:

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}-manylinux
  cancel-in-progress: true

jobs:
  build:
    name: ${{ matrix.arch }}
    runs-on: ubuntu-24.04
    permissions:
      contents: read
      packages: write

    strategy:
      fail-fast: false  # if a particular matrix build fails, don't skip the rest
      matrix:
        arch: [x86_64, i686]

    env:
      CIBW_ARCHS: ${{ matrix.arch }}

    steps:
    - uses: actions/checkout@v4.2.1

    - name: Log in to the Container registry
      uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567
      with:
        registry: ghcr.io
        username: ${{ github.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}

    - name: Inspect image, skip build if image exists
      id: inspect
      continue-on-error: true
      run: docker manifest inspect ghcr.io/${{ github.repository }}_${{ matrix.arch }}:${{ hashFiles('buildconfig/manylinux-build/**') }}

    - name: Extract metadata (tags, labels) for Docker
      id: meta
      uses: docker/metadata-action@8e5442c4ef9f78752691e2d8f8d19755c6f78e81
      with:
        images: ghcr.io/${{ github.repository }}_${{ matrix.arch }}
        tags: type=raw,value=${{ hashFiles('buildconfig/manylinux-build/**') }}

    - name: Build and push Docker image
      if: steps.inspect.outcome == 'failure'
      uses: docker/build-push-action@4f58ea79222b3b9dc2c8bbdd6debcef730109a75
      with:
        context: ${{ github.workspace }}/buildconfig/manylinux-build/docker_base
        file: ${{ github.workspace }}/buildconfig/manylinux-build/docker_base/Dockerfile-${{ matrix.arch }}
        push: true
        tags: ${{ steps.meta.outputs.tags }}
        labels: ${{ steps.meta.outputs.labels }}

    - name: Build and test wheels
      env:
        # set custom pygame images
        CIBW_MANYLINUX_X86_64_IMAGE: ghcr.io/${{ github.repository }}_x86_64:${{ steps.meta.outputs.version }}
        CIBW_MANYLINUX_PYPY_X86_64_IMAGE: ghcr.io/${{ github.repository }}_x86_64:${{ steps.meta.outputs.version }}
        CIBW_MANYLINUX_I686_IMAGE: ghcr.io/${{ github.repository }}_i686:${{ steps.meta.outputs.version }}
        CIBW_MANYLINUX_PYPY_I686_IMAGE: ghcr.io/${{ github.repository }}_i686:${{ steps.meta.outputs.version }}

      uses: pypa/cibuildwheel@v2.21.3

    # We upload the generated files under github actions assets
    - name: Upload dist
      uses: actions/upload-artifact@v4
      with:
        name: pygame-wheels-manylinux-${{ matrix.arch }}
        path: ./wheelhouse/*.whl
        compression-level: 0  # wheels are already zip files, no need for more compression