clang-tidy.yml

name: Clang-tidy (tiles)

on:
  # push:
  #   branches: [main]
  #   paths: [ "**.cpp", "**.h", "**.c", "**/CMakeLists.txt", "**.hpp", "**.cmake", "build-scripts/**","tools/clang-tidy-plugin/**", ".github/workflows/clang-tidy.yml", "**/.clang-tidy" ]
  workflow_dispatch:
  pull_request:
    branches: [main]
    paths:
      [
        "**.cpp",
        "**.h",
        "**.c",
        "**/CMakeLists.txt",
        "**.hpp",
        "**.cmake",
        "build-scripts/**",
        "tools/clang-tidy-plugin/**",
        ".github/workflows/clang-tidy.yml",
        "**/.clang-tidy",
      ]

# We only care about the latest revision of a PR, so cancel all previous instances.
concurrency:
  group: clang-tidy-build-${{ github.event.pull_request.number || github.ref_name }}
  cancel-in-progress: true

jobs:
  build:
    runs-on: ubuntu-latest
    env:
      CMAKE: 1
      LLVM_VERSION: "22"
      CLANG: clang++
      COMPILER: clang++
      TILES: 1
      SOUND: 1
      BUILD_PATH: "build"
      AFFECTED_FILES: "affected_files.txt"

    steps:
      - name: checkout repository
        uses: actions/checkout@v4
        with: { fetch-depth: 2 }

      - name: install dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y \
            gettext mold jq \
            sqlite3 libsqlite3-dev zlib1g-dev libvulkan-dev mesa-vulkan-drivers xvfb \
            autoconf autoconf-archive automake libtool libltdl-dev

      - name: Setup LLVM lint tools
        uses: aminya/setup-cpp@v1
        with:
          compiler: llvm-${{ env.LLVM_VERSION }}
          clang-format: ${{ env.LLVM_VERSION }}
          clang-tidy: ${{ env.LLVM_VERSION }}
          cmake: true
          ninja: true
          setup-cpp: false

      - name: Show LLVM tool versions
        run: |
          clang++ --version
          clang-format --version
          clang-tidy --version
          llvm-config --version

      #- name: Install SDL3
      #  run: |
      #    sudo apt-get install --ignore-missing libsdl3-dev libsdl3-ttf-dev libsdl3-image-dev libsdl3-mixer-dev

      - name: Install SDL3-devel dependencies
        run: |
          sudo apt-get install libasound2-dev libpulse-dev libaudio-dev libjack-dev libsndio-dev libx11-dev \
            libxext-dev libxrandr-dev libxcursor-dev libxfixes-dev libxi-dev libxss-dev libxtst-dev libxkbcommon-dev \
            libdrm-dev libgbm-dev libgl1-mesa-dev libgles2-mesa-dev libegl1-mesa-dev libdbus-1-dev \
            libibus-1.0-dev libudev-dev libpipewire-0.3-dev libwayland-dev libdecor-0-dev liburing-dev \
            libfreetype-dev libharfbuzz-dev \
            libtiff-dev libavif-dev libwebp-dev libjpeg-dev libjxl-dev \
            libflac-dev libvorbis-dev libxmp-dev libmpg123-dev libwavpack-dev

      - name: Setup ccache
        uses: hendrikmuhs/ccache-action@v1.2
        with:
          key: clang-tidy-${{ github.ref_name }}
          restore-keys: |
            clang-tidy-${{ github.ref_name }}
            clang-tidy-main
            clang-tidy-
          max-size: 500M
          verbose: 2
          save: ${{ github.event_name != 'pull_request' }}

      - name: Install shadercross
        run: bash build-scripts/install-shadercross-vcpkg.sh

      - name: add problem matcher
        run: |
          # Enable GitHub actions problem matchers
          # (See https://github.com/actions/toolkit/blob/master/docs/problem-matchers.md)
          echo "::add-matcher::build-scripts/problem-matchers/catch2.json"
          echo "::add-matcher::build-scripts/problem-matchers/debugmsg.json"

      - uses: denoland/setup-deno@v2
        with: { cache: true }

      - name: build clang-tidy plugin
        run: |
          pip install --break-system-packages lit
          bash ./build-scripts/build-clang-tidy-plugin.sh

      # - name: test clang-tidy plugin
      #   run: |
      #     lit -v $BUILD_PATH/tools/clang-tidy-plugin/test
      #     clang-tidy --version

      - name: gather affected files
        run: |
          ref=refs/remotes/pull/${{ github.event.pull_request.number }}/merge
          git fetch --no-tags --filter=blob:none --depth=2 origin "+refs/pull/${{ github.event.pull_request.number }}/merge:$ref"
          deno task affected-files --base "$ref^1" --head "$ref" --output "$AFFECTED_FILES"

      - name: run clang-tidy
        run: bash ./build-scripts/run-clang-tidy-plugin.sh

      - name: show most time consuming checks
        if: always()
        run: | # the folder may not exist if there is no file to analyze
          if [ -d clang-tidy-trace ]
          then
            jq -n 'reduce(inputs.profile | to_entries[]) as {$key,$value} ({}; .[$key] += $value) | with_entries(select(.key|contains(".wall"))) | to_entries | sort_by(.value) | reverse | .[0:10] | from_entries' clang-tidy-trace/*.json
          else
            echo "clang-tidy-trace folder not found."
          fi