anchor.diff:      # Enable helpful DBus services.
       services.udisks2.enable = true;
       services.upower.enable = config.powerManagement.enable;
  +    services.gvfs.enable = true;
  +    services.gvfs.package = pkgs.xfce.gvfs;
     };
   }
  
positive.code:       "/share/gtksourceview-2.0"
      ];
  
      environment.variables = {
        GIO_EXTRA_MODULES = [ "${pkgs.xfce.gvfs}/lib/gio/modules" ];
      };
  
      services.xserver.gdk-pixbuf.modulePackages = [ pkgs.librsvg ];
  
      services.xserver.desktopManager.session = [{
  
negative.code:       exo
        garcon
        gtk-xfce-engine
        libxfce4ui
        tumbler
        xfconf
  