{ lib, config, ... }: with lib; let cfg = config.modules.programs.nh; in { options.modules.programs.nh.enable = mkEnableOption "nh"; config = mkIf cfg.enable { programs.nh = { enable = true; clean.enable = true; clean.extraArgs = "--keep-since 4d --keep 3"; flake = "/home/vali/projects/nichts"; }; }; }