DCodeX/.github/workflows/codeql.yml at main · Sam-Si/DCodeX · GitHub

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name: "CodeQL"

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]
  schedule:
    # Run weekly on Sundays at 04:00 UTC to catch new CVEs in dependencies.
    - cron: '0 4 * * 0'

jobs:
  analyze:
    name: Analyze (C/C++)
    runs-on: ubuntu-24.04
    permissions:
      security-events: write    # Required to upload SARIF results.
      contents: read            # Required to checkout code.
      actions: read             # Required for private repos.

    strategy:
      fail-fast: false
      matrix:
        # CodeQL supports: cpp, csharp, go, java, javascript, python, ruby, swift.
        language: [ 'c-cpp' ]

    steps:
    - name: Checkout repository
      uses: actions/checkout@v4

    # ── Initialize CodeQL ────────────────────────────────────────────
    - name: Initialize CodeQL
      uses: github/codeql-action/init@v3
      with:
        languages: ${{ matrix.language }}
        # Use the extended query suite for deeper analysis (security + quality).
        queries: security-extended

    # ── Toolchain Setup ──────────────────────────────────────────────
    # CodeQL for C/C++ needs to observe the build. We must set up the
    # same LLVM 19 + Bazel toolchain used by the main CI pipeline so
    # that the CodeQL tracer can instrument the compilation.
    - name: Set up LLVM 19
      run: |
        sudo apt-get update
        sudo apt-get install -y wget gnupg ca-certificates
        sudo mkdir -p /usr/share/keyrings
        wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo gpg --dearmor -o /usr/share/keyrings/llvm-archive-keyring.gpg
        echo "deb [signed-by=/usr/share/keyrings/llvm-archive-keyring.gpg] http://apt.llvm.org/noble/ llvm-toolchain-noble-19 main" | sudo tee /etc/apt/sources.list.d/llvm.list
        sudo apt-get update
        sudo apt-get install -y clang-19 lld-19 libclang-rt-19-dev
        sudo ln -sf /usr/bin/clang-19 /usr/bin/clang
        sudo ln -sf /usr/bin/clang++-19 /usr/bin/clang++
        sudo ln -sf /usr/bin/lld-19 /usr/bin/lld

    - name: Cache Bazel
      uses: actions/cache@v4
      with:
        path: |
          ~/.cache/bazel
        key: ${{ runner.os }}-codeql-bazel-${{ hashFiles('**/MODULE.bazel', '**/WORKSPACE', '**/WORKSPACE.bazel') }}
        restore-keys: |
          ${{ runner.os }}-codeql-bazel-

    # ── Build (observed by CodeQL tracer) ────────────────────────────
    # Use the CI bazelrc for resource-constrained runners.
    # Build all targets so CodeQL sees the full source graph.
    - name: Bazel Build (CodeQL traced)
      run: |
        bazel --bazelrc=.github/workflows/ci.bazelrc build \
          --verbose_failures \
          //...

    # ── Upload Results ───────────────────────────────────────────────
    - name: Perform CodeQL Analysis
      uses: github/codeql-action/analyze@v3
      with:
        category: "/language:${{ matrix.language }}"