wheels.yml

name: Build Wheels

on:
  # Workflow can only be ran manually through the GUI
  workflow_dispatch:

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

jobs:
  build_wheels:
    name: Build wheels for ${{ matrix.os }}
    runs-on: ${{ matrix.os }}

    strategy:
      # If true, Github will cancel all other jobs in the matrix if any of them fails
      fail-fast: false
      matrix:
          # macos-13 is x86_64, macos-14 is arm64.
          # cibuildwheel takes care of building for all supported Python versions as stated in pyproject.toml
          os: [
              ubuntu-latest,
              windows-latest,
              #macos-13,
              macos-14
            ]

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          # Fetch everything to ensure we get tags
          fetch-depth: 0
      
      # Install Conan here already because we want to cache/restore its installed dependencies.
      # TODO: Caching requires more work on linux wheels since those happen inside Docker environment
      - name: Install Conan
        run: pip install conan==2.8.1

      - name: Get Conan cache path
        id: conan-cache-path
        shell: bash
        run: echo "conan_cache=$(conan config home)" >> $GITHUB_OUTPUT

      - name: Cache Conan dependencies
        id: cache-conan
        uses: actions/cache@v4
        env:
          cache-name: conan2-cache
        with:
          path: ${{ steps.conan-cache-path.outputs.conan_cache }}
          key: ${{ runner.os }}-${{ env.cache-name }}-${{ hashFiles('**/conanfile.py') }}
          restore-keys: |
            ${{ runner.os }}-${{ env.cache-name }}-

      # Create new Conan profile only if we didn't hit cache
      - if: ${{ steps.cache-conan.outputs.cache-hit != 'true' }}
        name: Create default Conan profile if no cache was hit
        run: conan profile detect --exist-ok
      
      - name: Build and test wheels (cibuildwheel)
        uses: pypa/cibuildwheel@v2.21.3

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