{ configuration ? import ./lib/from-env.nix "NIXOS_CONFIG" <nixos-config> , system ? builtins.currentSystem }: let eval = import ./lib/eval-config.nix { inherit system; modules = [ configuration ]; }; in { inherit (eval) pkgs config options; system = eval.config.system.build.toplevel; inherit (eval.config.system.build) vm vmWithBootLoader; }