ci.yml

name: SQUINT CI

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]

jobs:
  build-and-test-linux:
    name: Build and Test (Linux)
    runs-on: ubuntu-latest
    strategy:
      matrix:
        compiler: [gcc, clang]
        version: [12, 17]
        blas: [MKL, OpenBLAS, NONE]
        include:
          - compiler: gcc
            version: 12
            dockerfile: Dockerfile.gcc-dev
          - compiler: clang
            version: 17
            dockerfile: Dockerfile.llvm-dev
        exclude:
          - compiler: gcc
            version: 17
          - compiler: clang
            version: 12

    steps:
    - uses: actions/checkout@v4

    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v3

    - name: Cache Docker layers
      uses: actions/cache@v4
      with:
        path: /tmp/.buildx-cache
        key: ${{ runner.os }}-buildx-${{ matrix.compiler }}-${{ matrix.version }}-${{ hashFiles(format('{0}/{1}', github.workspace, matrix.dockerfile)) }}
        restore-keys: |
          ${{ runner.os }}-buildx-${{ matrix.compiler }}-${{ matrix.version }}-

    - name: Build Docker image
      uses: docker/build-push-action@v5
      with:
        context: .
        file: ${{ github.workspace }}/${{ matrix.dockerfile }}
        build-args: |
          COMPILER_VERSION=${{ matrix.version }}
        tags: ${{ matrix.compiler }}-${{ matrix.version }}:latest
        load: true
        cache-from: type=local,src=/tmp/.buildx-cache
        cache-to: type=local,dest=/tmp/.buildx-cache-new,mode=max

    - name: Move cache
      run: |
        rm -rf /tmp/.buildx-cache
        mv /tmp/.buildx-cache-new /tmp/.buildx-cache

    - name: Build and Test in Docker
      run: |
        docker run --rm -v ${{ github.workspace }}:/src ${{ matrix.compiler }}-${{ matrix.version }}:latest bash -c "
          cd /src &&
          mkdir build &&
          cd build &&
          source /opt/intel/oneapi/setvars.sh &&
          cmake .. -G Ninja \
            -DSQUINT_BUILD_TESTS=ON \
            -DBLAS_BACKEND=${{ matrix.blas }} \
            -DCMAKE_CXX_COMPILER=${{ matrix.compiler == 'gcc' && 'g++' || 'clang++' }}-${{ matrix.version }} &&
          cmake --build . &&
          ctest -L SQUINT --output-on-failure
        "

  build-and-test-windows:
    name: Build and Test (Windows)
    runs-on: windows-2022
    strategy:
      matrix:
        compiler: [msvc]
        version: [2022]
        blas: [MKL, OpenBLAS, NONE]
        include:
          - compiler: msvc
            version: 2022
            dockerfile: Dockerfile.msvc-dev

    steps:
    - uses: actions/checkout@v4

    - name: Cache Docker image
      uses: actions/cache@v4
      with:
        path: ${{ github.workspace }}\docker-image.tar
        key: ${{ runner.os }}-docker-${{ matrix.compiler }}-${{ matrix.version }}-${{ hashFiles(format('{0}\{1}', github.workspace, matrix.dockerfile)) }}

    - name: Load cached Docker image
      if: steps.cache-docker-image.outputs.cache-hit == 'true'
      run: |
        docker load -i ${{ github.workspace }}\docker-image.tar
      shell: pwsh

    - name: Build Docker image
      if: steps.cache-docker-image.outputs.cache-hit != 'true'
      run: |
        docker build -t ${{ matrix.compiler }}-${{ matrix.version }}:latest `
          --build-arg COMPILER_VERSION=${{ matrix.version }} `
          -f ${{ github.workspace }}\${{ matrix.dockerfile }} .
        docker save -o ${{ github.workspace }}\docker-image.tar ${{ matrix.compiler }}-${{ matrix.version }}:latest
      shell: pwsh

    - name: Build and Test in Docker
      run: |
        docker run --rm -v ${PWD}:C:\src ${{ matrix.compiler }}-${{ matrix.version }}:latest powershell -Command "
          cd C:\src;
          mkdir build;
          cd build;
          cmake .. -G Ninja `
            -DSQUINT_BUILD_TESTS=ON `
            -DBLAS_BACKEND=${{ matrix.blas }};
          cmake --build .;
          ctest -L SQUINT --output-on-failure
        "
      shell: pwsh

  clang-tidy:
    name: Clang-Tidy
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v4

    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v3

    - name: Cache Docker layers
      uses: actions/cache@v4
      with:
        path: /tmp/.buildx-cache
        key: ${{ runner.os }}-buildx-llvm-dev-${{ hashFiles('**/Dockerfile.llvm-dev') }}
        restore-keys: |
          ${{ runner.os }}-buildx-llvm-dev-

    - name: Build Docker image
      uses: docker/build-push-action@v5
      with:
        context: .
        file: ${{ github.workspace }}/Dockerfile.llvm-dev
        build-args: |
          COMPILER_VERSION=17
        tags: llvm-dev:latest
        load: true
        cache-from: type=local,src=/tmp/.buildx-cache
        cache-to: type=local,dest=/tmp/.buildx-cache-new,mode=max

    - name: Move cache
      run: |
        rm -rf /tmp/.buildx-cache
        mv /tmp/.buildx-cache-new /tmp/.buildx-cache

    - name: Run Clang-Tidy in Docker
      run: |
        docker run --rm -v ${{ github.workspace }}:/src llvm-dev:latest bash -c "
          cd /src &&
          mkdir build &&
          cd build &&
          cmake -G Ninja -DSQUINT_BUILD_TESTS=ON -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DBLAS_BACKEND=NONE .. &&
          cd .. &&
          find ./include -name '*.cpp' -or -name '*.hpp' | 
          xargs -P $(nproc) clang-tidy -p build
        "

    - name: Check Clang-Tidy result
      run: |
        if [ $? -ne 0 ]; then
          echo "Clang-Tidy found issues. Please fix them before merging."
          exit 1
        fi