codeql.yml

name: Semantic Analysis

on:
  push:
    branches:
      - main
    tags:
      - '*'
    paths-ignore:
      - '**.md'
  pull_request:
    types: [opened, synchronize, reopened, ready_for_review]
    branches:
      - main
    paths-ignore:
      - '**.md'
      - 'changelog.lua'
      - '.gitignore'
  schedule:
    - cron: '00 00 * * 6'

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

jobs:
  analyze:
    name: Scan with CodeQL
    runs-on: 'ubuntu-24.04'
    permissions:
      actions: read
      contents: read
      security-events: write

    strategy:
      fail-fast: false
      matrix:
        language: ['cpp']

    steps:
      - name: Checkout Git repository
        run: cd .. && git clone https://github.com/evo-lua/evo-runtime --recursive --jobs=$(nproc)

      # Initializes the CodeQL tools for scanning.
      - name: Initialize CodeQL scan
        uses: github/codeql-action/init@v3
        with:
          languages: ${{ matrix.language }}

      - name: Set up ccache
        uses: hendrikmuhs/ccache-action@v1.2

      - name: Update apt cache
        run: sudo apt-get update

      - name: Install Ninja
        run: sudo apt-get install ninja-build

        # Can't actually be used on CI runners, but we need the headers for embedding webview
      - name: Install WebKitGTK
        run: sudo apt-get install gtk+-3.0-dev webkit2gtk-4.1-dev --yes

      - name: Install PulseAudio
        run: sudo apt-get install pulseaudio libpulse-dev --yes

      - name: Configure environment
        run: |
              export PATH="/usr/lib/ccache:$PATH"
              echo "CC=/usr/lib/ccache/gcc" >> $GITHUB_ENV
              echo "CXX=/usr/lib/ccache/g++" >> $GITHUB_ENV

      - name: Build dependencies
        run: bash deps/unixbuild-all.sh

      - name: Build the runtime
        run: bash ./unixbuild.sh

      - name: Perform CodeQL analysis
        uses: github/codeql-action/analyze@v3
        with:
          category: "/language:${{matrix.language}}"
          upload: false  # Upload separately so it can be filtered
          output: sarif-results

      - name: Basic sanity check
        run: ls -l && ls -l sarif-results && file sarif-results/cpp.sarif

      - name: Filter SARIF
        uses: advanced-security/filter-sarif@v1
        with:
          # Getting spammed with library alerts is useless; no one will ever fix them all
          patterns: |
            +**/*.c
            +**/*.cpp
            -**/*deps/**
          input: sarif-results/${{ matrix.language }}.sarif
          output: sarif-results/${{ matrix.language }}.sarif

      - name: Upload SARIF
        uses: github/codeql-action/upload-sarif@v3
        with:
          sarif_file: sarif-results/${{ matrix.language }}.sarif
          category: "/language:${{matrix.language}}"

      - name: Upload analysis results
        uses: actions/upload-artifact@v4
        with:
          name: sarif-results
          path: sarif-results
          retention-days: 1