{ config, lib, pkgs, ... }:

let
  dirModules = config.features.modules.system or { };
in
{
  config = lib.mkIf ((dirModules.enable or false) && (dirModules.garbage-collection.enable or true)) {
    nix = {
      settings.auto-optimise-store = true;
      gc = {
        automatic = true;
        dates = "weekly";
        options = "--delete-older-than 7d";
      };
    };
  };
}