anchor.diff:  
     nixpkgs.config = {
       allowUnfree = true;
  +    allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
  +      "steam"
  +      "steam-original"
  +      "steam-runtime"
  +    ];
       st = {
         conf = builtins.readFile ../../programs/st/config.h;
         extraLibs = with pkgs; [ harfbuzz ];
  
positive.code:   users.users.icy = {
      isNormalUser = true;
      extraGroups = [ "wheel" "docker" "audio" "video" "dialout" ];
    };
  
    nix = {
  
negative.code: let
    asusctl-tar = fetchTarball "https://github.com/NixOS/nixpkgs/archive/a4a81b6f6c27e5a964faea25b7b5cbe611f98691.tar.gz";
  in
  { self, config, pkgs, theme, lib, ... }:
  
  {
    imports =
  