name: Config

on:
  workflow_dispatch:
  pull_request:
    types:
      - opened
      - synchronize
      - reopened
      - ready_for_review
  push:
    branches:
      - master
      - stable
      - v*

permissions:
  contents: read

jobs:
  # This tests various versions of CMake in various combinations, to make sure
  # the configure step passes.
  cmake:
    if: github.event.pull_request.draft == false
    strategy:
      fail-fast: false
      matrix:
        include:
        - runs-on: ubuntu-22.04
          cmake: "3.15"

        - runs-on: ubuntu-24.04
          cmake: "3.26"

        - runs-on: ubuntu-24.04
          cmake: "3.29"

        - runs-on: macos-15-intel
          cmake: "3.15"

        - runs-on: macos-14
          cmake: "4.2"

        - runs-on: windows-latest
          cmake: "4.2"

    name: 🐍 3.11 • CMake ${{ matrix.cmake }} • ${{ matrix.runs-on }}
    runs-on: ${{ matrix.runs-on }}

    steps:
    - uses: actions/checkout@v6

    - name: Setup Python 3.11
      uses: actions/setup-python@v6
      with:
        python-version: 3.11

    - name: Install uv
      uses: astral-sh/setup-uv@v7

    - name: Prepare env
      run: uv pip install --python=python --system -r tests/requirements.txt

    # An action for adding a specific version of CMake:
    #   https://github.com/jwlawson/actions-setup-cmake
    - name: Setup CMake ${{ matrix.cmake }}
      uses: jwlawson/actions-setup-cmake@v2.1
      with:
        cmake-version: ${{ matrix.cmake }}

    # These steps use a directory with a space in it intentionally
    - name: Configure
      shell: bash
      run: cmake -S. -B"build dir" -DPYBIND11_WERROR=ON -DDOWNLOAD_CATCH=ON

    # Only build and test if this was manually triggered in the GitHub UI
    - name: Build
      working-directory: build dir
      if: github.event_name == 'workflow_dispatch'
      run: cmake --build . --config Release

    - name: Test
      working-directory: build dir
      if: github.event_name == 'workflow_dispatch'
      run: cmake --build . --config Release --target check
