static_analysis.yaml

name: static_analysis

on:
  push:
    branches: ['**']
  pull_request:
    branches: ['**']

jobs:
  # We verify the minimal CMake version we support is preserved when building with default CMake flags
  minimal_cmake_version:
    name: "Minimal CMake version"
    timeout-minutes: 30
    runs-on: ubuntu-22.04
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: "Get current CMake version"
        id: cmake_version
        run: |
          
          work_dir=$(pwd)       
          # Go back from RealSense directory to parent directory  
          cd ..
          
          git clone https://github.com/nlohmann/cmake_min_version.git
          cd cmake_min_version
          # We clone a specific commit which we tested the process as working
          git checkout 687dc56e1cf52c865cebf6ac94ad67906d6e1369
          
          echo "Install LibRealSense pre-installed packages requirements"
          sudo apt-get install libglfw3-dev libgl1-mesa-dev libglu1-mesa-dev at
          
          python3 -mvenv venv
          venv/bin/pip3 install -r requirements.txt
          venv/bin/python3 cmake_downloader.py --latest_release
          output=$(venv/bin/python3 cmake_min_version.py $work_dir)
          echo "$output"
          
          # Retrieve CMake minimal version from the last line of the tool output.
          current_cmake_version=$(echo ${output: -30} | cut -d' ' -f 2 | head -c -3)

          echo $current_cmake_version

          # Saving cmake minimal version string in GitHub output
          echo "current_cmake_version=$current_cmake_version" >> $GITHUB_OUTPUT

      - name: "Check minimal CMake version"
        env:
          EXPECTED_CMAKE_VERSION: "3.8"
          CURRENT_CMAKE_VERSION: ${{ steps.cmake_version.outputs.current_cmake_version }}
          RESULT: ${{ steps.cmake_version.outputs.current_cmake_version <= 3.8 }}
        run: |
          regex_pattern="VERSION [0-9]+\.[0-9]+\.[0-9]+"

          echo $RESULT

          if [ "$CURRENT_CMAKE_VERSION" == "${EXPECTED_CMAKE_VERSION}" ] || [ "$CURRENT_CMAKE_VERSION" \< "${EXPECTED_CMAKE_VERSION}" ]
          then
            echo "The test PASSED, current CMake version is $CURRENT_CMAKE_VERSION and it is not higher than ${EXPECTED_CMAKE_VERSION}"
          else
            echo "Error - The minimal CMake version required for LibRS is ${EXPECTED_CMAKE_VERSION} but on this build the minimal CMake version that works is $CURRENT_CMAKE_VERSION"
            exit 1
          fi