anchor.diff:        isSystem = true;
       };
   
  +    programs.dconf.enable = true;
       programs.evince.enable = mkDefault true;
       programs.file-roller.enable = mkDefault true;
   
  
positive.code:     environment.variables.GNOME_SESSION_DEBUG = optionalString cfg.debug "1";
  
      environment.variables.GIO_EXTRA_MODULES = [
        "${lib.getLib pkgs.gnome3.dconf}/lib/gio/modules"
        "${pkgs.gnome3.gvfs}/lib/gio/modules"
      ];
  
  
negative.code:         glib-networking
          gnome-menus
          gnome3.adwaita-icon-theme
          gtk3.out
          hicolor-icon-theme
          lightlocker
  