check_code_format.yml

---
name: check_code_format

# yamllint disable-line rule:truthy
on:
  workflow_dispatch:
  push:
    branches:
      - main
  pull_request:

jobs:
  check_format_code:
    name: check format code
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - uses: jiro4989/setup-nim-action@v2
        with:
          nim-version: stable
          repo-token: ${{ secrets.GITHUB_TOKEN }}
          parent-nim-install-directory: ${{ runner.temp }}

      - name: Format code
        run: |
          git clean -f -x -d
          nim prettyfy

      - name: Fail if needs reformatting
        run: |
          if [[ $(git status --porcelain) ]]; then
             echo "please reformat/prettyfy these files:"
             git status --porcelain=v1
             exit 1
          fi
...