anchor.diff:    # Bluetooth
     hardware.bluetooth = {
       enable = true;
  -
  -    # Modern headsets will generally try to connect
  -    # using the A2DP profile
  -    #extraConfig = "
  -      #[General]
  -      #Enable=Source,Sink,Media,Socket
  -    #";
     };
   
     # Set hosts
  
positive.code:     # required for bluetooth package
      package = pkgs.pulseaudioFull;
      extraModules = [ pkgs.pulseaudio-modules-bt ];
  
      # TODO: This breaks login
      #configFile = pkgs.writeText "default.pa" ''
        #load-module module-switch-on-connect
      #'';
    };
  
    # X11 XKB key map
    # Mainly Caps -> Ctrl
    services.xserver.xkbOptions = "ctrl:nocaps,caps:none,shift:both_capslock,lv3:rwin_switch,grp:alt_space_toggle,altwin:swap_alt_win";
  
    # Enable touchpad support.
    services.xserver.libinput = {
  
negative.code: 
    # List packages installed in system profile. To search, run:
    # $ nix search wget
    environment.systemPackages = with pkgs; [ xlockmore ];
  
    # Open ports in the firewall.
    # networking.firewall.allowedTCPPorts = [ ... ];
  