format-check.yml

name: Format check

on:
  push:
    branches:
      - main
    paths:
      - .clang-format
      - include/**
      - src/**
  pull_request:
    branches:
      - main
    paths:
      - .clang-format
      - include/**
      - src/**

jobs:
  format-check:
    runs-on: ubuntu-latest

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

      - name: Set up Clang-Format
        run: |
          if ! command -v clang-format &> /dev/null; then
            echo "Clang-Format not found, installing..."
            sudo apt-get update
            sudo apt-get install -y clang-format
          else
            echo "Clang-Format is already installed."
          fi

      - name: Check formatting
        run: |
          # Find all C/C++ files and check formatting
          files=$(find . -name '*.h' -o -name '*.c' -o -name '*.hpp' -o -name '*.cpp')
          if [ -z "$files" ]; then
            echo "No C/C++ files found."
            exit 0
          fi

          # Initialize a flag to track formatting issues
          formatting_issues=0

          # Check formatting for each file
          for file in $files; do
            if clang-format -style=file -output-replacements-xml "$file" | grep -q '<replacement '; then
              echo "Formatting issues found in $file"
              formatting_issues=1
            fi
          done

          # Exit with the appropriate status code
          if [ $formatting_issues -eq 1 ]; then
            echo "Please format the files using clang-format version "$(clang-format --version)" and commit the changes."
            exit 1
          else
            echo "All files are properly formatted."
            exit 0
          fi