build.yml

name: CI

on:
  workflow_dispatch:
    inputs:
      use_qemu:
        description: 'Use qemu to build linux aarch64, ppc64le & s390x'
        required: true
        default: true
  schedule:
    - cron: '0 18 * * 5'  # "At 18:00 on Friday."
  pull_request:
  push:
    branches:
      - main
      - py2-legacy
    tags:
      - "*.*.*"

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

env:
  USE_QEMU: ${{ fromJSON(github.event.inputs.use_qemu || 'false') || (github.event_name == 'schedule') || startsWith(github.ref, 'refs/tags/') }}

jobs:
  lint:
    name: Lint
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: "3.x"
      - uses: pre-commit/action@v3.0.1


  build_wheels:
    name: Build ${{ matrix.build }}${{ matrix.arch }} wheels on ${{ matrix.os }}
    needs: [lint]
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        include:
          - os: ubuntu-latest
            arch: "x86_64"
            build: "manylinux_"
            use_qemu: false
          - os: ubuntu-latest
            arch: "x86_64"
            build: "musllinux_"
            use_qemu: false
          - os: ubuntu-latest
            arch: "i686"
            build: "manylinux_"
            use_qemu: false
          - os: ubuntu-latest
            arch: "i686"
            build: "musllinux_"
            use_qemu: false
          - os: ubuntu-latest
            arch: "aarch64"
            build: "manylinux_"
            use_qemu: true
          - os: ubuntu-latest
            arch: "aarch64"
            build: "musllinux_"
            use_qemu: true
          - os: ubuntu-latest
            arch: "ppc64le"
            build: "manylinux_"
            use_qemu: true
          - os: ubuntu-latest
            arch: "ppc64le"
            build: "musllinux_"
            use_qemu: true
          - os: ubuntu-latest
            arch: "s390x"
            build: "manylinux_"
            use_qemu: true
          - os: ubuntu-latest
            arch: "s390x"
            build: "musllinux_"
            use_qemu: true
          - os: ubuntu-latest
            arch: "armv7l"
            build: "musllinux_"
            use_qemu: true
          - os: windows-2019
            arch: "AMD64"
            build: ""
            use_qemu: false
          - os: windows-2022
            arch: "ARM64"
            build: ""
            use_qemu: false
          - os: windows-2019
            arch: "x86"
            build: ""
            use_qemu: false
          - os: macos-14
            arch: "universal2"
            build: ""
            use_qemu: false

    steps:
      - uses: actions/checkout@v4
        if: (!matrix.use_qemu) || fromJSON(env.USE_QEMU)
        with:
          fetch-depth: 0  # required for versioneer to find tags

      - uses: yezz123/setup-uv@v4

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3.2.0
        if: matrix.use_qemu && fromJSON(env.USE_QEMU)

      - name: Build wheels
        uses: pypa/cibuildwheel@v2.21
        if: (!matrix.use_qemu) || fromJSON(env.USE_QEMU)
        env:
          CIBW_ARCHS: "${{ matrix.arch }}"
          CIBW_BUILD: "cp39-${{ matrix.build }}*"

      - uses: actions/upload-artifact@v4
        if: (!matrix.use_qemu) || fromJSON(env.USE_QEMU)
        with:
          name: cibw-${{ runner.os }}-${{ matrix.build }}${{ matrix.arch }}
          path: ./wheelhouse/*.whl

  build_manylinux2010_wheels:
    name: Build ${{ matrix.arch }} manylinux2010 wheels
    needs: [lint]
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        include:
          - arch: "x86_64"
          - arch: "i686"

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0  # required for versioneer to find tags

      - name: Build wheels
        uses: pypa/cibuildwheel@v2.21
        env:
          CIBW_ARCHS: "${{ matrix.arch }}"
          CIBW_BUILD: "cp39-manylinux_*"
          CIBW_MANYLINUX_X86_64_IMAGE: "manylinux2010"
          CIBW_MANYLINUX_I686_IMAGE: "manylinux2010"
          CIBW_BUILD_FRONTEND: "build"

      - uses: actions/upload-artifact@v4
        with:
          name: cibw-manylinux2010-${{ matrix.arch }}
          path: ./wheelhouse/*.whl

  build_sdist:
    name: Build source distribution
    needs: [lint]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0  # required for versioneer to find tags

      - name: Build SDist
        run: pipx run build --sdist

      - uses: actions/upload-artifact@v4
        with:
          name: cibw-sdist
          path: dist/*.tar.gz

  test_sdist:
    name: Test SDist with python ${{ matrix.python }}
    needs: [build_sdist]
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        python: ["3.8", "3.13"]

    steps:
      - uses: actions/checkout@v4
      - uses: astral-sh/setup-uv@v3

      - name: Setup environment
        run: |
          uv venv --python ${{ matrix.python }}
          uv pip install pytest pytest-cov

      - name: Install dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y --no-install-recommends libssl-dev

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

      - name: Install SDist
        env:
          CMAKE_ARGS: "-DBUILD_CMAKE_FROM_SOURCE:BOOL=OFF"
        run: |
          uv pip install dist/*.tar.gz
          rm -rf dist

      - name: Test installed SDist
        run: .venv/bin/pytest ./tests

  check_dist:
    name: Check dist
    needs: [build_wheels, build_manylinux2010_wheels, build_sdist, test_sdist]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/download-artifact@v4
        with:
          pattern: cibw-*
          merge-multiple: true
          path: dist

      - run: pipx run twine check --strict dist/*

  upload_pypi:
    name: Upload to PyPI
    needs: [check_dist]
    runs-on: ubuntu-latest
    if: github.event_name == 'push' && github.repository == 'scikit-build/cmake-python-distributions' && startsWith(github.ref, 'refs/tags/')
    environment:
      name: pypi
      url: https://pypi.org/p/cmake
    permissions:
      id-token: write
      attestations: write
    steps:
      - uses: actions/download-artifact@v4
        with:
          pattern: cibw-*
          merge-multiple: true
          path: dist

      - name: Generate artifact attestation for sdist and wheel
        uses: actions/attest-build-provenance@ef244123eb79f2f7a7e75d99086184180e6d0018 # v1.4.4
        with:
          subject-path: "dist/cmake-*"

      - uses: pypa/gh-action-pypi-publish@release/v1
        with:
          attestations: true