clang_tidy.yml

name: Clang-Tidy

on:
  pull_request:
    branches: [ master ]
    paths: [ '**.cpp', '**.h' ]

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

permissions: {}

jobs:
  tidy:
    name: Clang-Tidy
    runs-on: ubuntu-24.04
    timeout-minutes: 60
    defaults:
      run:
        shell: bash
    steps:
    - uses: actions/checkout@v4
      with:
        ref: ${{ github.event.pull_request.head.sha }}
        fetch-depth: 0
    - name: Fetch base branch
      run: |
        git remote add upstream "https://github.com/${{ github.event.pull_request.base.repo.full_name }}"
        git fetch --no-tags --no-recurse-submodules upstream "${{ github.event.pull_request.base.ref }}"
    - name: Install dependencies and clang-tidy
      run: |
        sudo apt-get -y update
        sudo apt-get -y install libsdl2-dev libsdl2-mixer-dev libsdl2-image-dev gettext clang-tidy-18
    - name: Setup clang-tidy
      run: |
        sudo update-alternatives --install /usr/bin/clang-tidy clang-tidy /usr/bin/clang-tidy-18 100
        sudo update-alternatives --install /usr/bin/clang-tidy-diff clang-tidy-diff /usr/bin/clang-tidy-diff-18.py 100
    - name: Prepare compile_commands.json
      run: |
        cmake -B build -DCMAKE_BUILD_TYPE=Debug -DENABLE_STRICT_COMPILATION=ON -DENABLE_IMAGE=ON -DENABLE_TOOLS=ON -DCMAKE_EXPORT_COMPILE_COMMANDS=ON
    - name: Create results directory
      run: |
        mkdir clang-tidy-result
    - name: Analyze
      run: |
        git diff -U0 "$(git merge-base HEAD "upstream/${{ github.event.pull_request.base.ref }}")" | clang-tidy-diff -p1 -path build -export-fixes clang-tidy-result/fixes.yml
    - name: Save PR metadata
      run: |
        echo "${{ github.event.number }}" > clang-tidy-result/pr-id.txt
        echo "${{ github.event.pull_request.head.repo.full_name }}" > clang-tidy-result/pr-head-repo.txt
        echo "${{ github.event.pull_request.head.sha }}" > clang-tidy-result/pr-head-sha.txt
    - uses: actions/upload-artifact@v4
      with:
        name: clang-tidy-result
        path: clang-tidy-result/
        if-no-files-found: error