name: Validation

on: 
  pull_request:
    branches:
      - '*'

jobs:
  clang-format:
    name: "clang-format"
    runs-on: ubuntu-20.04
    env:
      CC: clang-9
      CXX: clang-9
      CMAKE_GENERATOR: "Ninja"
    steps:
    - name: "Clone Repository"
      uses: actions/checkout@v1
    - name: "Submodules & Packages"
      shell: bash
      run: |
        git submodule update --init --recursive
        sudo apt-get -qq update
        sudo apt-get purge libjpeg9-dev:amd64 libjpeg8-dev:amd64 libjpeg-turbo8-dev:amd64
        sudo apt-get install build-essential clang clang-format checkinstall pkg-config cmake ninja-build git qt5-default libqwt-qt5-dev libqt5svg5-dev libavcodec-dev libavutil-dev libswscale-dev
    - name: "Cache: Prerequisites"
      uses: actions/cache@v2
      with:
        path: |
          build/temp/libobs-download/libobs-download-prefix/src/libobs.7z
        key: ubuntu-20.04
    - name: "Configure & Format Project"
      shell: bash
      run: |
        cmake -H. -B"build/temp" \
          -DCMAKE_INSTALL_PREFIX="build/distrib" \
          -DCMAKE_PACKAGE_NAME="streamfx-${{ matrix.id }}" -DCMAKE_PACKAGE_PREFIX="build/package" \
          -DOBS_DOWNLOAD=ON \
          -DENABLE_CLANG=TRUE
        cmake --build "build/temp" --config RelWithDebInfo --target StreamFX_CLANG-FORMAT
    - name: "Validate Formatting"
      shell: bash
      run: |
        git --no-pager diff --patch --minimal HEAD --
        git update-index --refresh
        git diff-index --quiet HEAD --