{ lib, config, pkgs, ... }: let cfg = config.marleyos.programs.nh; home = config.home.homeDirectory; in { options.marleyos.programs.nh.enable = lib.mkEnableOption "nh"; config = lib.mkIf cfg.enable { home.packages = with pkgs; [ nh ]; home.sessionVariables.FLAKE = lib.mkDefault "${home}/marleyos"; }; }