code_style.yml

name: Code Style
on: pull_request

jobs:
  clang-format:
    name: Clang Format
    runs-on: ubuntu-latest
    container: ubuntu:rolling
    env:
      DEBIAN_FRONTEND: "noninteractive"
    steps:
      - name: Update environment
        shell: bash
        run: |
          # Update package lists
          apt update -qq

          # Install tools
          apt install -y \
            clang-format \
            git

      - name: Checkout
        uses: actions/checkout@v3

      - name: Fetch ${{ github.base_ref }}
        shell: bash
        run: |
          git config --global --add safe.directory $(pwd)
          git fetch --progress --depth=1 origin ${{ github.base_ref }}
          git log --pretty=oneline

      - name: Style check
        shell: bash
        run: |
          git-clang-format origin/${{ github.base_ref }}
          git diff | tee format-diff
          if [ -s format-diff ]; then exit 1; fi