name: Check code style

on: [push, pull_request]

jobs:
  build:
    name:
      Check code style

    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v2

    - name: Install dependencies
      run: |
        sudo apt-get -y install indent
        sudo ln -s /usr/bin/indent /usr/bin/gindent

    - name: Make indent
      run: |
        make indent
        git status | grep 'nothing to commit'