name: lint

on: [push]

jobs:
  lint:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: clang-format
        id: clang-format
        uses: DoozyX/clang-format-lint-action@c3b2c943e924028b93a707a5b1b017976ab8d50c # v0.15
        with:
          exclude: './third_party'
          extensions: 'c,h,cpp,hpp'
          clangFormatVersion: 15
          style: file

      - name: clang-format instructions
        if: ${{ failure() && steps.clang-format.outcome == 'failure' }}
        run: |
          # Instructions for fixing the formatting errors
          echo -e "\n\033[0;31mTo fix the formatting, run:\nclang-format -style=file -i \$(git ls-files \"*.c\" \"*.h\" \"*.cpp\" \"*.hpp\")\033[0m\n"
          exit 1