anchor.diff:  , util-linux_lib
   }:
   
  +let
  +  inherit (stdenv.lib)
  +    boolEn;
  +in
   stdenv.mkDerivation rec {
  -  name = "appstream-glib-0.5.13";
  +  name = "appstream-glib-0.6.3";
   
     src = fetchurl {
       url = "https://people.freedesktop.org/~hughsient/appstream-glib/"
         + "releases/${name}.tar.xz";
  -    sha256 = "ee32f3e4d20b7e8fe58da85f277d2e1821ab845de23cdb61bda4e50c84b9c308";
  +    sha256 = "3ec355c950b86cd792b6e396a5a4a72487999e300fcacf7466a663974ec4ad24";
     };
   
     nativeBuildInputs = [
  
positive.code:     #"--disable-alpm"
      "--disable-man"
      "--enable-dep11"
    ];
  
    meta = with stdenv.lib; {
  
negative.code: 
    configureFlags = [
      "--enable-largefile"
      "--${boolEn (gobject-introspection != null)}-introspection"
      "--enable-nls"
      "--disable-gtk-doc"
      "--disable-gtk-doc-html"
  