{
  configuration,
  system,
  ...
}:
let
  sources = import ../npins;
  eval = import "${sources.nixpkgs}/nixos/lib/eval-config.nix" {
    inherit system;
    specialArgs = {
      inherit sources;
    };
    modules = [ configuration ];
  };
in
{
  inherit (eval) pkgs config options;
  system = eval.config.system.build.toplevel;
  inherit (eval.config.system.build) vm vmWithBootLoader;
}