{ options , config , lib , pkgs , ... }: with lib; with lib.plusultra; let cfg = config.plusultra.apps.r2modman; in { options.plusultra.apps.r2modman = with types; { enable = mkBoolOpt false "Whether or not to enable r2modman."; }; config = mkIf cfg.enable { environment.systemPackages = with pkgs; [ r2modman ]; }; }