anchor.diff:  , nautilus_unwrapped
   , shared-mime-info
   , totem
  +, tracker
   }:
   
   # NOTE: This wrapper is for working around circular dependencies.
  
positive.code:       --prefix 'XDG_DATA_DIRS' : "${evince}/share" \
        --prefix 'XDG_DATA_DIRS' : "${gdk-pixbuf}/share" \
        --prefix 'XDG_DATA_DIRS' : "${gnome-terminal}/share" \
        --prefix 'XDG_DATA_DIRS' : "${totem}/share" \
        --prefix 'XDG_DATA_DIRS' : "${shared-mime-info}/share" \
        --prefix 'XDG_DATA_DIRS' : "$XDG_ICON_DIRS"
  
      wrapProgram $out/bin/nautilus-desktop \
  
negative.code:     gvfs
      nautilus_unwrapped
      totem
      tracker
    ];
  
    installPhase = ''
  