name: Style

on:
  push:
    branches:
      - main
  pull_request:

jobs:
  test:
    strategy:
      matrix:
        os: [ubuntu-22.04]
        compiler: [clang]

    runs-on: ${{ matrix.os }}

    steps:
    - name: Environment setup
      uses: actions/checkout@v4
    - name: Install clang-format
      run: |
          wget -O- https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
          sudo add-apt-repository 'deb http://apt.llvm.org/bullseye/ llvm-toolchain-bullseye-17 main'
          sudo apt update && sudo apt install clang-format-17
    - name: C style
      env:
        CC: ${{ matrix.compiler }}
        FC: gfortran-11
      run: |
        make info
        make format-c -j2 CLANG_FORMAT=clang-format-17 && git diff --exit-code
