anchor.diff:  , gnome3
   }:
   let
  -  version = "3.28.1";
  +  version = "3.30.0";
     pname = "sysprof";
   in stdenv.mkDerivation rec {
     name = "${pname}-${version}";
  
positive.code: { stdenv
  , desktop-file-utils
  , fetchurl
  , fetchpatch
  , gettext
  , glib
  , gtk3
  
negative.code: 
    src = fetchurl {
      url = "mirror://gnome/sources/${pname}/${stdenv.lib.versions.majorMinor version}/${name}.tar.xz";
      sha256 = "0qrzcs60m44mmj7ln9815kfgvi2pjlhmk0p4vjc0dw3pw95jrk99";
    };
  
    nativeBuildInputs = [ desktop-file-utils gettext itstool libxml2 meson ninja pkgconfig shared-mime-info wrapGAppsHook ];
    buildInputs = [ glib gtk3 pango polkit systemd.dev systemd.lib ];
  