anchor.diff:  
     src = fetchurl {
       url = "mirror://gnome/sources/json-glib/${versionMajor}/${name}.tar.xz";
  -    sha256 = "ea128ab52a824fcd06e5448fbb2bd8d9a13740d51c66d445828edba71321a621";
  +    sha256 = "fd55a9037d39e7a10f0db64309f5f0265fa32ec962bf85066087b83a2807f40a";
     };
   
     nativeBuildInputs = [
  
positive.code:     "--enable-rpath"
    ];
  
    meta = with lib; {
      description = "(de)serialization support for JSON";
      homepage = http://live.gnome.org/JsonGlib;
  
negative.code:     boolEn;
  
    versionMajor = "1.2";
    versionMinor = "8";
    version = "${versionMajor}.${versionMinor}";
  in
  stdenv.mkDerivation rec {
  