check_clang_format_on_pr.yml

name: Check Style in Code

on: [pull_request]

jobs:
  clang-format:
    name: Check sources by clang-format for added/changed files in PR
    runs-on: ubuntu-latest
    steps:
      - name: Install LLVM and Clang
        uses: KyleMayes/install-llvm-action@v2
        with:
          version: "18.1.8"

      - name: Install parallel for work with check many files
        run: |
          sudo apt-get update
          sudo apt-get install parallel -y

      - name: Checkout repository code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0 # for work tj-actions/changed-files
          persist-credentials: false # for work tj-actions/changed-files

      - name: Get C/C++/Protobuf source files that have added/changed
        id: changed-files
        uses: tj-actions/changed-files@v45
        with:
          files: '**/*.{h,H,hpp,hh,h++,hxx,c,C,cpp,cc,c++,cxx,ino,pde,cu,proto}'
          files_ignore: 'thirdparty*/**/*.{h,H,hpp,hh,h++,hxx,c,C,cpp,cc,c++,cxx,ino,pde,cu,proto}'

      - name: List added/changed C/C++/Protobuf source file(s) for check
        if: steps.changed-files.outputs.any_changed == 'true'
        run: |
          for file in ${{ steps.changed-files.outputs.all_changed_files }}; do
            echo "$file was changed"
          done

      - name: Check added/changed C/C++/Protobuf source file(s) by clang-format
        if: steps.changed-files.outputs.any_changed == 'true'
        run: |
          parallel clang-format --style=file --Werror  --dry-run --verbose ::: \
            ${{ steps.changed-files.outputs.all_changed_files }}