main.yml

# Seeded from https://github.com/lukka/CppCMakeVcpkgTemplate
# Thank you Lucas Beyer for the template!

name: CI

env:
  BUILD_TYPE: Debug Release

on: [push, pull_request, workflow_dispatch]

jobs:
  job:
    name: ${{ matrix.os }}-${{ matrix.compiler }}-${{ matrix.linkage }}-${{ matrix.config }}
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
        config: [dbg, rel]
        linkage: [static, shared]
        include:
          # - os: windows-latest
          #   triplet: x64-windows
          # - os: ubuntu-latest
          #   triplet: x64-linux
          # - os: ubuntu-latest
          #   triplet: i686-linux
          # - os: macos-latest
          #   triplet: x64-osx
          - os: windows-latest
            config: dbg
            linkage: shared
            add_shared_path: $env:PATH +=  ";" + (Get-Item .).FullName + "\builds\ninja-cl-shared\src\Debug"
          - os: windows-latest
            config: rel
            add_shared_path: $env:PATH +=  ";" + (Get-Item .).FullName + "\builds\ninja-cl-shared\src\Release"
          - os: ubuntu-latest
            gcc12: true
            compiler: g++-12
          - os: ubuntu-latest
            clang18: true
            compiler: clang++-18
            pre_configure: dev/ci-pre-configure-clang 18
          - os: macos-latest
            compiler: c++
          - os: windows-latest
            compiler: cl
    env:
      # Indicates the location of the vcpkg as a Git submodule of the project
      # repository. Not using "VCPKG_ROOT" because a variable with the same name
      # is defined in the VS's Developer Command Prompt environment in VS 2022
      # 17.6, which would override this one if it had the same name.
      # ^^^ JLL: macos needs VCPKG_ROOT.
      VCPKG_ROOT: ${{ github.workspace }}/vcpkg
      _VCPKG_: ${{ github.workspace }}/vcpkg
      # Tells vcpkg where binary packages are stored.
      VCPKG_DEFAULT_BINARY_CACHE: ${{ github.workspace }}/vcpkg/bincache
      # Let's use GitHub Action cache as storage for the vcpkg Binary Caching feature.
      VCPKG_BINARY_SOURCES: 'clear;x-gha,readwrite'
      CXX: ${{ matrix.compiler }}

    steps:
      # - name: List compilers
      #   run: |
      #     apt list --installed | grep clang
      #     apt list --installed | grep g++

    # Set env vars needed for vcpkg to leverage the GitHub Action cache as a storage
    # for Binary Caching.
      - uses: actions/github-script@v7
        with:
          script: |
            core.exportVariable('ACTIONS_CACHE_URL', process.env.ACTIONS_CACHE_URL || '');
            core.exportVariable('ACTIONS_RUNTIME_TOKEN', process.env.ACTIONS_RUNTIME_TOKEN || '');

      - uses: actions/checkout@v4
        with:
          submodules: true
      - name: "Create directory '${{ env.VCPKG_DEFAULT_BINARY_CACHE }}'"
        run: mkdir -p $VCPKG_DEFAULT_BINARY_CACHE
        shell: bash

      # Setup the build machine with the most recent versions of CMake and
      # Ninja. Both are cached if not already: on subsequent runs both will be
      # quickly restored from GitHub cache service.
      - uses: lukka/get-cmake@latest

      # Restore vcpkg from the GitHub Action cache service. Note that packages
      # are restored by vcpkg's binary caching when it is being run afterwards
      # by CMake.
      - name: Restore vcpkg
        uses: actions/cache@v4
        with:
          # The first path is the location of vcpkg: it contains the vcpkg
          # executable and data files, as long as the built package archives
          # (aka binary cache) which are located by VCPKG_DEFAULT_BINARY_CACHE
          # env var. The other paths starting with '!' are exclusions: they
          # contain termporary files generated during the build of the installed
          # packages.
          path: |
            ${{ env._VCPKG_ }}
            !${{ env._VCPKG_ }}/buildtrees
            !${{ env._VCPKG_ }}/packages
            !${{ env._VCPKG_ }}/downloads
            !${{ env._VCPKG_ }}/installed
          # The key is composed in a way that it gets properly invalidated whenever a different version of vcpkg is being used.
          key: |
            ${{ hashFiles( '.git/modules/vcpkg/HEAD' )}}

      # On Windows runners, let's ensure to have the Developer Command Prompt
      # environment setup correctly. As used here the Developer Command Prompt
      # created is targeting x64 and using the default the Windows SDK.
      - uses: ilammy/msvc-dev-cmd@v1

      # Run CMake to generate Ninja project files, using the vcpkg's toolchain
      # file to resolve and install the dependencies as specified in vcpkg.json.
      # Note that the vcpkg's toolchain is specified in the CMakePresets.json
      # file.

      # This step also runs vcpkg with Binary Caching leveraging GitHub Action
      # cache to store the built packages artifacts.
      - name: Restore from cache the dependencies and generate project files
        run: |
          ${{ matrix.pre_configure }}
          cmake --preset ninja-${{ matrix.compiler }}-${{ matrix.linkage }} -DCMAKE_CXX_COMPILER=${{ matrix.compiler }}

      - name: Build
        run: |
          ${{ matrix.add_shared_path }}
          cmake --build --preset build-ninja-${{ matrix.compiler }}-${{ matrix.linkage}}-${{ matrix.config }}

      - name: Test
        run: |
          ${{ matrix.add_shared_path }}
          ctest --preset test-ninja-${{ matrix.compiler }}-${{ matrix.linkage}}-${{ matrix.config }} --output-on-failure