anchor.diff:  }:
   
   let
  -  version = "2.0.1";
  +  version = "2.0.2";
   in
   stdenv.mkDerivation rec {
     name = "librsync-${version}";
   
     src = fetchFromGitHub {
  -    version = 3;
  +    version = 5;
       owner = "librsync";
       repo = "librsync";
       rev = "v${version}";
  -    sha256 = "4ed1c66c6b9b18f50e10288164455f0c046060f78f83565b6886a499f00cd912";
  +    sha256 = "8b487cd533c5c8a2f7a0668dddf3b36bff6bbbdb47ebfcf7f69d9f2fd9a77837";
     };
   
     nativeBuildInputs = [
  
positive.code:     zlib
    ];
  
    meta = with stdenv.lib; {
      homepage = http://librsync.sourceforge.net/;
      license = licenses.lgpl2Plus;
      description = "Implementation of the rsync remote-delta algorithm";
  
negative.code: { stdenv
  , cmake
  , fetchFromGitHub
  , lib
  , ninja
  , perl
  
  