lint.yml

name: Lint CI
on:
  push:
    branches: ['main']
  pull_request:
  workflow_dispatch:

jobs:
  cpp-linter:
    name: C++ lints(clang-format + clang-tidy)
    runs-on: ubuntu-24.04
    permissions:
      pull-requests: write
      issues: write
    steps:
      - uses: actions/checkout@v4

      # NOTE: meson has no dependencies, so --break-system-packages doesn't really break anything!
      - name: Setup Meson
        run: |
          pip install meson --break-system-packages

      - name: Setup Clang
        run: |
          wget https://apt.llvm.org/llvm.sh
          chmod +x llvm.sh
          sudo ./llvm.sh 19
          echo "CC=clang-19" >> "$GITHUB_ENV"
          echo "CXX=clang++-19" >> "$GITHUB_ENV"
          echo "OBJC=clang-19" >> "$GITHUB_ENV"

      - name: Prepare compile_commands.json
        run: |
          sudo apt-get update
          sudo apt-get install ninja-build libsdl2-2.0-0 libsdl2-dev libsdl2-ttf* libsdl2-mixer* libsdl2-image* desktop-file-utils -y --no-install-recommends

          meson setup build -Dbuildtype=release -Dclang_libcpp=disabled -Dtests=true
          meson compile -C build git_version.hpp

      - uses: cpp-linter/cpp-linter-action@v2
        id: linter
        continue-on-error: true
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          style: file
          version: 19
          database: build
          files-changed-only: ${{ github.event_name != 'workflow_dispatch' }}
          lines-changed-only: ${{ github.event_name != 'workflow_dispatch' }}
          thread-comments: update
          tidy-checks: ''
          step-summary: true
          file-annotations: true
          ignore: subprojects|build|android|assets|recordings|docs|toolchains|platforms|wrapper|src/libs/core/hash-library|tests|src/lobby/curl_client.*

      - name: Fail CI run if linter checks failed
        if: steps.linter.outputs.checks-failed != 0
        run: |
          echo "${{ steps.linter.outputs.checks-failed }} linter checks failed"
          exit 1