anchor.diff:     pkgconfig
      rsync
      ruby
  +   acpitool
      screen
      silver-searcher
      simplescreenrecorder
  
positive.code:    };
   in
   with pkgs; [
     automake
     bash
     bc
  
negative.code:  };
  
   hardware.pulseaudio.enable = true;
   hardware.pulseaudio.package = pkgs.pulseaudioFull;
   hardware.bluetooth.enable = true;
  
   fonts = {
     enableCoreFonts = true;
  