anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "ntfs-3g";
  -  version = "2012.1.15";
  +  version = "2014.2.15";
     name = "${pname}-${version}";
   
     buildInputs = [libuuid] ++ stdenv.lib.optionals crypto [gnutls libgcrypt];
  
positive.code:       ln -sv mount.ntfs-3g $out/sbin/mount.ntfs
      '';
  
    meta = {
      homepage = http://www.tuxera.com/community/;
      description = "FUSE-base NTFS driver with full write support";
      maintainers = [ stdenv.lib.maintainers.urkud ];
      platforms = stdenv.lib.platforms.linux;
    };
  }
  
negative.code: 
    src = fetchurl {
      url = "http://tuxera.com/opensource/ntfs-3g_ntfsprogs-${version}.tgz";
      sha256 = "0mjv98m2j0kdzkjiqd2ra1akhb8milx8nwcx7hd26jxi1i09jc2c";
    };
  
    patchPhase = ''
  