clang-tidy-lint.yml

name: 🔍 Static Analysis

on:
  pull_request:
    branches: [ main ]

env:
  BUILD_TYPE: Release

jobs:
  lint:
    runs-on: ubuntu-latest
  
    steps:
    - uses: actions/checkout@v4
      with:
        submodules: recursive
        fetch-depth: 2

    - name: Install dependencies
      run: |
        sudo apt-get update
        sudo apt-get install xorg-dev libglu1-mesa-dev clang clang-tidy
      
    - name: Workaround for https://github.com/actions/runner-images/issues/8659
      run: |
        echo "TEMPORARY WORKAROUND FOR GITHUB RUNNER BUG #8659\n\nRemoving GCC 13 as it breaks Clang14"
        sudo rm -f /etc/apt/sources.list.d/ubuntu-toolchain-r-ubuntu-test-jammy.list
        sudo apt-get update
        sudo apt-get install -y --allow-downgrades libc6=2.35-0ubuntu3.6 libc6-dev=2.35-0ubuntu3.6 libstdc++6=12.3.0-1ubuntu1~22.04 libgcc-s1=12.3.0-1ubuntu1~22.04

    - name: Make all changed headers reachable
      run: |
        echo '// NOLINTBEGIN(misc-include-cleaner)' > core/src/extra.cpp
        git diff -U0 --name-only HEAD^ | grep -oP 'core/include/\K.*.hpp' | awk '{ $0= "#include <" $0 ">"; print }' >> core/src/extra.cpp
        git diff -U0 --name-only HEAD^ | grep -oP 'core/src/\K.*.hpp' | awk '{ $0= "#include \"" $0 "\""; print }' >> core/src/extra.cpp
        echo '// NOLINTEND(misc-include-cleaner)' >> core/src/extra.cpp
        sed -i '/set(CUBOS_CORE_SOURCE/a "src/extra.cpp"' core/CMakeLists.txt
        git add core/src/extra.cpp

        echo '// NOLINTBEGIN(misc-include-cleaner)' > engine/src/extra.cpp
        git diff -U0 --name-only HEAD^ | grep -oP 'engine/include/\K.*.hpp' | awk '{ $0= "#include <" $0 ">"; print }' >> engine/src/extra.cpp
        git diff -U0 --name-only HEAD^ | grep -oP 'engine/src/\K.*.hpp' | awk '{ $0= "#include \"" $0 "\""; print }' >> engine/src/extra.cpp
        echo '// NOLINTEND(misc-include-cleaner)' >> engine/src/extra.cpp
        sed -i '/set(CUBOS_ENGINE_SOURCE/a "src/extra.cpp"' engine/CMakeLists.txt
        git add engine/src/extra.cpp

        echo '// NOLINTBEGIN(misc-include-cleaner)' > tools/tesseratos/src/extra.cpp
        git diff -U0 --name-only HEAD^ | grep -oP 'tools/tesseratos/include/\K.*.hpp' | awk '{ $0= "#include <" $0 ">"; print }' >> tools/tesseratos/src/extra.cpp
        git diff -U0 --name-only HEAD^ | grep -oP 'tools/tesseratos/src/\K.*.hpp' | awk '{ $0= "#include \"" $0 "\""; print }' >> tools/tesseratos/src/extra.cpp
        echo '// NOLINTEND(misc-include-cleaner)' >> tools/tesseratos/src/extra.cpp
        sed -i '/set(TESSERATOS_SOURCE/a "src/extra.cpp"' tools/tesseratos/CMakeLists.txt
        git add tools/tesseratos/src/extra.cpp
  
    - name: Prepare compile_commands.json
      run: cmake -B build -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DBUILD_CORE_SAMPLES=ON -DBUILD_CORE_TESTS=ON -DBUILD_ENGINE_SAMPLES=ON -DBUILD_TESSERATOS_SAMPLES=ON -DUSE_CLANG_TIDY=ON
      shell: bash
      env:
        CC:   clang-14
        CXX:  clang++-14

    - name: Build glad
      run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}} --target glad

    - name: Analyze
      run: |
        run-clang-tidy -j$(nproc) -p=build \
          -header-filter="(core|engine|tools/tesseratos)/(src|include)/.*" \
          files "($(git diff -U0 --name-only HEAD^ | grep -vP '.*/lib/.*' | paste -s -d\|))" \
          -export-fixes clang-tidy-fixes.yaml || true

    - name: Run clang-tidy-pr-comments action
      uses: platisd/clang-tidy-pr-comments@master
      with:
        github_token: ${{ secrets.GITHUB_TOKEN }}
        clang_tidy_fixes: clang-tidy-fixes.yaml
        request_changes: true
        suggestions_per_comment: 10