name: Build

# Trigger on push or via manual dispath.
on: [push, workflow_dispatch]

jobs:
  build:
    runs-on: ${{matrix.os}}
    name: ${{ matrix.os }} ${{ matrix.type }}
    timeout-minutes: 30

    strategy:
      fail-fast: false
      matrix:
        type: ['Release']
        os: ['ubuntu-latest']

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

    steps:
    - uses: actions/checkout@v4

    # Set up ccache
    - name: ccache
      uses: hendrikmuhs/ccache-action@v1.2

    # Install CMake
    - uses: lukka/get-cmake@latest

    # Build via CMake
    # Reference: https://github.com/lukka/run-cmake/blob/v3/action.yml
    - name: Build via cmake
      uses: lukka/run-cmake@v3
      with:
        cmakeListsOrSettingsJson: CMakeListsTxtAdvanced
        cmakeAppendedArgs: >
          -D CMAKE_C_COMPILER_LAUNCHER=ccache
          -D CMAKE_CXX_COMPILER_LAUNCHER=ccache
        buildWithCMake: true
        # Explicitly list build targets here.
        # Building "all" includes test executables and takes much longer.
        buildWithCMakeArgs: "-- gemma"
        buildDirectory: '${{ github.workspace }}/build'