cibuildwheel.yml

name: Build

on:
  push:
    branches: [main]
  pull_request:
    branches: ["*"]
  workflow_dispatch: # allows you to trigger manually

# When this workflow is queued, automatically cancel any previous running
# or pending jobs from the same branch
concurrency:
  group: cidbuildwheel-${{ github.ref }}
  cancel-in-progress: true

jobs:
  build_wheels:
    name: Build wheels on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: true        
      matrix:
        os:
          - ubuntu-latest  # x64
          - ubuntu-24.04-arm  # ARM
          - macos-15-intel  # x64
          - macos-latest  # ARM
          - windows-latest  # x64
          - windows-11-arm  # ARM

    steps:
      - uses: actions/checkout@v6

      # See https://cibuildwheel.pypa.io/en/1.x/cpp_standards/
      - name: Setup MSVC on Windows x64
        if: matrix.os == 'windows-latest'
        uses: ilammy/msvc-dev-cmd@v1

      - name: Setup MSVC on Windows ARM64
        if: matrix.os == 'windows-11-arm'
        uses: bus1/cabuild/action/msdevshell@e22aba57d6e74891d059d66501b6b5aed8123c4d  # v1
        with:
          architecture: arm64

      # Install LLVM on Windows
      - name: Install LLVM on Windows x64
        if: matrix.os == 'windows-latest'
        run: |
          choco install llvm --version=18.1.8 -y --force
          echo "C:\Program Files\LLVM\bin" >> $env:GITHUB_PATH

      - name: Install LLVM on Windows ARM64
        if: matrix.os == 'windows-11-arm'
        shell: pwsh
        run: |
          Invoke-WebRequest https://github.com/llvm/llvm-project/releases/download/llvmorg-20.1.6/LLVM-20.1.6-woa64.exe -UseBasicParsing -OutFile LLVM-woa64.exe
          Start-Process -FilePath ".\LLVM-woa64.exe" -ArgumentList "/S" -Wait
          echo "C:\Program Files\LLVM\bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
          echo "CC=clang-cl" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append

      - name: Debug env
        run: env

      - name: Build wheels
        uses: pypa/cibuildwheel@v3.3.0
        env:
          CIBW_ARCHS_LINUX: auto
          DISTUTILS_USE_SDK: 1
          MSSdk: 1
          AR: llvm-ar
          AS: llvm-as
          CC: clang
          RANLIB: echo
          CIBW_BUILD_VERBOSITY: 5
        with:
          package-dir: .
          output-dir: wheelhouse
          config-file: "{package}/pyproject.toml"

      - uses: actions/upload-artifact@v5
        with:
          name: cibw-wheels-${{ matrix.os }}-${{ strategy.job-index }}
          path: ./wheelhouse/*.whl

  build_sdist:
    name: Build source distribution
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6

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

      - uses: actions/upload-artifact@v5
        with:
          name: cibw-sdist
          path: dist/*.tar.gz

  create_release:
    needs: [build_wheels, build_sdist]
    runs-on: ubuntu-latest
    permissions:
      contents: write
      checks: write
      actions: read
      issues: read
      packages: write
      pull-requests: read
      repository-projects: read
      statuses: read
    steps:
      - name: Get the tag name and determine if it's a prerelease
        id: get_tag_info
        run: |
          FULL_TAG=${GITHUB_REF#refs/tags/}
          if [[ $FULL_TAG == release-* ]]; then
            TAG_NAME=${FULL_TAG#release-}
            IS_PRERELEASE=false
          elif [[ $FULL_TAG == prerelease-* ]]; then
            TAG_NAME=${FULL_TAG#prerelease-}
            IS_PRERELEASE=true
          else
            TAG_NAME=$FULL_TAG
            IS_PRERELEASE=false
          fi
          echo "FULL_TAG=$TAG_NAME" >> $GITHUB_ENV
          echo "TAG_NAME=$TAG_NAME" >> $GITHUB_ENV
          echo "IS_PRERELEASE=$IS_PRERELEASE" >> $GITHUB_ENV

      - uses: actions/download-artifact@v5
        with:
          # unpacks all CIBW artifacts into dist/
          pattern: cibw-*
          path: dist
          merge-multiple: true
      
      - name: Create Draft Release
        id: create_release
        uses: softprops/action-gh-release@v2
        if: startsWith(github.ref, 'refs/tags/release-') || startsWith(github.ref, 'refs/tags/prerelease-')
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          name: ${{ env.TAG_NAME }}
          draft: true
          prerelease: ${{ env.IS_PRERELEASE }}
          files: "./dist/*"