{
  description = "Nathan user packages";

  inputs = {
    nixpkgs-us.url = "github:nixos/nixpkgs/nixos-unstable";

    external.url = "./external";

  };

  outputs = { self, ... }@inputs: let 
    system = "x86_64-linux";

    pkgs-us = import inputs.nixpkgs-us {
      inherit system;
      config.allowUnfree = true;
    };

    in {

        hmModule = { config, lib, pkgs, ... }: import ./. { inherit config lib pkgs pkgs-us self; };  

    };
}