.github/workflows/linux.yml

# Linux CI (Windows box validates syntax only; full compile is CI's job).
# Matrix: ubuntu-22.04/24.04 x Python 3.11/3.12/3.13, GCC default + one
# Clang job (24.04/3.12 via include-merge). No secrets, no releases/uploads.
# Future work (out of scope): cibuildwheel/manylinux wheels.
name: linux
on:
  push:
  pull_request:
jobs:
  build-test:
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-22.04, ubuntu-24.04]
        python-version: ["3.11", "3.12", "3.13"]
        include:
          - os: ubuntu-24.04
            python-version: "3.12"
            cc: clang
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}
      - name: Install Clang
        if: ${{ matrix.cc == 'clang' }}
        run: sudo apt-get update && sudo apt-get install -y clang
      - name: Install package
        run: |
          if [ "${{ matrix.cc }}" = "clang" ]; then export CC=clang CXX=clang++; fi
          pip install -e .[test]
      - name: Portable kernel tests
        run: pytest tests/test_kernels_portable.py tests/test_native.py -q
      - name: Surjo parity
        run: python scripts/parity_surjo.py
      - name: Kernel variant
        run: python -c "from cism import _native; print(_native.kernel_variant())"