anchor.diff:    ];
   
     nativeBuildInputs = [
  -    meson ninja pkgconfig gettext wrapGAppsHook libxslt docbook_xml_dtd_42
  +    meson ninja pkgconfig gettext wrapGAppsHook libxslt docbook_xml_dtd_42 docbook_xml_dtd_43
       valgrind-light docbook_xsl gtk-doc desktop-file-utils gobjectIntrospection
     ];
   
  
positive.code:   ];
  
    mesonFlags = [
      "-Denable-rpm=false"
      "-Denable-oauth=false"
      "-Denable-ubuntu-reviews=false"
      "-Denable-gudev=false"
    ];
  
    passthru = {
  
negative.code: { stdenv, fetchurl, substituteAll, pkgconfig, meson, ninja, gettext, gnome3, wrapGAppsHook, packagekit, ostree
  , glib, appstream-glib, libsoup, polkit, isocodes, gspell, libxslt, gobjectIntrospection, flatpak, fwupd
  , json-glib, libsecret, valgrind-light, docbook_xsl, docbook_xml_dtd_42, docbook_xml_dtd_43, gtk-doc, desktop-file-utils }:
  
  stdenv.mkDerivation rec {
    name = "gnome-software-${version}";
    version = "3.30.5";
  
    src = fetchurl {
      url = "mirror://gnome/sources/gnome-software/${stdenv.lib.versions.majorMinor version}/${name}.tar.xz";
      sha256 = "0d2x208qbkx8szkrfddv1bz4rd9awfhbxvh078j7zrrfmzvq7892";
    };
  
    patches = [
  