{
  config,
  lib,
  ...
}: let
  cfg = config.vhack.nixconfig;
in {
  options.vhack.nixconfig = {
    enable = lib.mkEnableOption "sophisticated nix settings";
  };
  config = lib.mkIf cfg.enable {
    nix = {
      #    gc = {
      #      automatic = true;
      #      dates = "daily";
      #      options = "--delete-older-than 3";
      #    };
      settings = {
        auto-optimise-store = true;
        experimental-features = ["nix-command" "flakes"];
        trusted-users = [
          "root"
          "@wheel"
        ];
      };
    };
  };
}