name: format

on:
  pull_request:
    paths-ignore:
      - "**.lock"

jobs:
  test:
    runs-on: nixos-latest
    steps:
      - name: checkout
        uses: actions/checkout@v4
        with:
          ref: "main"
      - name: dev
        uses: actions/nix/develop@main
        with:
          flake: .
          run: treefmt --ci