anchor.diff:      upower
       wayland
       xf86_input_wacom
  -    xkeyboard_config
       xorg.inputproto
       xorg.libX11
       xorg.libXext
  
positive.code: , polkit
  , udev
  , upower
  , xf86_input_wacom
  , xkeyboard_config
  , wayland
  , xorg
  }:
  
  
negative.code:     xorg.libXtst
      xorg.libXxf86misc
      xorg.xf86miscproto
      xorg.xkeyboardconfig
      xorg.xproto
    ];
  
  