name: Format Nix Flake

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

jobs:
  format:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

      - name: Install Nix
        uses: cachix/install-nix-action@v2
        with:
          nix_version: '2.18.1' # or desired Nix version

      - name: Format Nix Flake
        run: nix fmt