cppcheck-differential.yaml

name: cppcheck-differential

on:
  pull_request:

jobs:
  cppcheck-differential:
    runs-on: ubuntu-latest

    steps:
    - name: Checkout code
      uses: actions/checkout@v2

    - name: Install dependencies
      run: |
        sudo apt-get update
        sudo apt-get install -y build-essential cmake git libpcre3-dev

    - name: Install Cppcheck from source
      run: |
        mkdir /tmp/cppcheck
        git clone https://github.com/danmar/cppcheck.git /tmp/cppcheck
        cd /tmp/cppcheck
        git checkout 2.14.1
        mkdir build
        cd build
        cmake ..
        make -j $(nproc)
        sudo make install

    - name: Get changed files
      id: changed-files
      run: |
        git fetch origin ${{ github.base_ref }} --depth=1
        git diff --name-only FETCH_HEAD ${{ github.sha }} > changed_files.txt
        cat changed_files.txt

    - name: Run Cppcheck on changed files
      run: |
        files=$(cat changed_files.txt | grep -E '\.(cpp|hpp)$' || true)
        if [ -n "$files" ]; then
          echo "Running Cppcheck on changed files: $files"
          cppcheck --enable=all --inconclusive --check-level=exhaustive --error-exitcode=1 --suppressions-list=.cppcheck_suppressions $files 2> cppcheck-report.txt
          cat cppcheck-report.txt
        else
          echo "No C++ files changed."
        fi
      shell: bash