release.yml

name: Build + Release Wheels

on:
  push:
    # tags:
    #   - 'v?[0-9]+.[0-9]+.[0-9]+'
    #   - 'v?[0-9]+.[0-9]+.[0-9]+.[0-9]+'
  workflow_dispatch:
    inputs:
      llvm_version:
        description: "LLVM version to build"
        required: false
        default: ""
      wheel_version:
        description: "Version of the wheel packaging (appended to LLVM version)"
        required: false
        default: "0"
      skip_emulation:
        description: "Skip builds with targets requiring specified emulation (qemu / none)"
        required: true
        default: qemu
      deploy_to_testpypi:
        description: "Whether the build should be deployed to test.pypi.org instead regular PyPI"
        required: true
        default: false

jobs:
  build-wheels:
    name: "${{ matrix.os }} :: ${{ matrix.platform }}-${{ matrix.arch }}"
    runs-on: ${{ matrix.os }}

    strategy:
      matrix:
        # emulated linux: generate 6 matrix combinations with qemu on ubuntu:
        arch: ["aarch64", "ppc64le", "s390x"]
        platform: ["manylinux", "musllinux"]
        os: [ubuntu-latest]
        emulation: ["qemu"]
        exclude:
          # conditionally skip jobs requiring emulation:
          - os: ubuntu-latest
            emulation: ${{ github.event.inputs.skip_emulation }}
        include:
          # linux
          - os: ubuntu-latest
            platform: "manylinux"
            arch: "x86_64"
          - os: ubuntu-latest
            platform: "manylinux"
            arch: "i686"
          - os: ubuntu-latest
            platform: "musllinux"
            arch: "x86_64"
          - os: ubuntu-latest
            platform: "musllinux"
            arch: "i686"
          # windows
          - os: windows-latest
            platform: "win"
            arch: "AMD64"
          - os: windows-latest
            platform: "win"
            arch: "x86"
          # macos
          - os: macos-13
            platform: "macos"
            arch: "x86_64"
          - os: macos-latest
            platform: "macos"
            arch: "arm64"

    steps:
    - uses: actions/checkout@v4
    
    - name: Support long paths on Windows
      if: runner.os == 'Windows'
      run: git config --system core.longpaths true

    - name: Set up msvc on Windows
      if: runner.os == 'Windows'
      uses: ilammy/msvc-dev-cmd@v1
      with:
        arch: ${{ matrix.arch }}

    - name: Override LLVM version (${{ github.event.inputs.llvm_version }})
      if: github.event.inputs.llvm_version
      run: |
        echo "${{ github.event.inputs.llvm_version }}.${{ github.event.inputs.wheel_version }}" > clang-format_version.txt
        cat clang-format_version.txt

    - name: Set up QEMU
      uses: docker/setup-qemu-action@v3.0.0
      if: runner.os == 'Linux' && matrix.emulation == 'qemu'

    - name: Build wheels
      uses: pypa/cibuildwheel@v2.18
      env:
        CIBW_ARCHS: "${{ matrix.arch }}"
        # restrict to a single Python version as wheel does not depend on Python:
        CIBW_BUILD: "cp311-${{ matrix.platform }}*"

    - uses: actions/upload-artifact@v4
      with:
        name: artifacts-wheels-${{ matrix.platform }}-${{ matrix.arch }}
        path: ./wheelhouse/*.whl

  build-sdist:
    name: Build source distribution
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

      - name: Override LLVM version (${{ github.event.inputs.llvm_version }})
        if: github.event.inputs.llvm_version
        run: |
          echo "${{ github.event.inputs.llvm_version }}.${{ github.event.inputs.wheel_version }}" > clang-format_version.txt
          cat clang-format_version.txt
 
      - name: Build SDist
        run: pipx run build --sdist

      - uses: actions/upload-artifact@v4
        with:
          name: artifacts-sdist
          path: dist/*.tar.gz
  
  test-sdist:
    name: Test build from source distribution
    needs: [build-sdist]
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-python@v5
        name: Install Python
        with:
          python-version: '3.9'

      - uses: actions/download-artifact@v4
        with:
          name: artifacts-sdist
          path: sdist

      - name: Install from SDist
        run:
          pip install sdist/*.tar.gz

      - name: Install test requirements
        run:
          python -m pip install -r requirements-dev.txt

      - name: Set up Git identity
        run: |
          git config --global user.name Name
          git config --global user.email foo@bar.com

      - name: Run test suite
        run:
          python -m pytest

  # upload_pypi:
  #   name: Upload to PyPI
  #   needs: [build-wheels, build-sdist, test-sdist]
  #   runs-on: ubuntu-latest
  #   permissions:
  #     id-token: write
  #     contents: write
  #   if: github.repository_owner == 'ssciwr'

  #   steps:
  #     - uses: actions/download-artifact@v4
  #       with:
  #         pattern: artifacts-*
  #         merge-multiple: true
  #         path: dist

  #     - name: Upload to PyPI
  #       uses: pypa/gh-action-pypi-publish@v1.8.14
  #       if: github.event.inputs.deploy_to_testpypi == 'false'

  #     - name: Upload to TestPyPI
  #       uses: pypa/gh-action-pypi-publish@v1.8.14
  #       if: github.event.inputs.deploy_to_testpypi == 'true'
  #       with:
  #         repository-url: https://test.pypi.org/legacy/

  #     - name: GitHub release for tagged commits
  #       uses: softprops/action-gh-release@v2
  #       if: startsWith(github.ref, 'refs/tags/')