anchor.diff:  
     system.defaults.trackpad.Clicking = true;
   
  +  environment.systemPackages =
  +    [ pkgs.lnl.tmux
  +      pkgs.lnl.vim
  +
  +      pkgs.curl
  +      pkgs.fzf
  +      pkgs.gettext
  +      pkgs.git
  +      pkgs.jq
  +      pkgs.silver-searcher
  +
  +      pkgs.nix-repl
  +      pkgs.nox
  +    ];
  +
  +  services.nix-daemon.enable = true;
  +  services.nix-daemon.tempDir = "/nix/tmp";
  +
  +  services.activate-system.enable = true;
  +
     programs.tmux.enable = true;
     programs.tmux.loginShell = "${config.programs.zsh.shell} -l";
     programs.tmux.enableSensible = true;
  
positive.code:   '';
  
    programs.zsh.enable = true;
  
    programs.zsh.shellInit = ''
      cfg=$HOME/.nixpkgs/darwin-config.nix
  
negative.code: { config, lib, pkgs, ... }:
  {
    system.defaults.NSGlobalDomain.AppleKeyboardUIMode = 3;
    system.defaults.NSGlobalDomain.ApplePressAndHoldEnabled = false;
    system.defaults.NSGlobalDomain.InitialKeyRepeat = 10;
  