anchor.diff:      programs = {
         home-manager.enable = true;
   
  +      rofi.enable = true;
         fzf.enable = true;
         firefox.enable = true;
         chromium.enable = true;
  
positive.code:       enable = true;
        windowManager.i3 = {
          enable = true;
          config.modifier = "Mod4";
        };
      };
      imports = [
  
negative.code: 
  let
    unstableTarball = fetchTarball https://github.com/NixOS/nixpkgs-channels/archive/nixos-unstable.tar.gz;
    mod = "Mod4";
  in
    {
      nixpkgs.config = {
  