anchor.diff:  
       src = fetchurl {
         url = "http://download.ceph.com/tarballs/ceph-${version}.tar.gz";
  -      sha256 = "1y6hixh6srd5aswhzq0sf0dbygwhx0ardx3w3f7qazf5rapvd03i";
  +      sha256 = "0wbkdplxs8higmlj57a7rydmx9rq08h0arjrmxmp0s80bn0v5x2c";
       };
   
       patches = [
  
positive.code: , cunit, snappy
  , rocksdb, makeWrapper
  , leveldb, oathToolkit
  
  # Optional Dependencies
  , yasm ? null, fcgi ? null, expat ? null
  
negative.code:     ps.webob
      ps.bcrypt
      ps.six
      ps.pyyaml
    ]);
  
    version = "14.2.5";
  in rec {
    ceph = stdenv.mkDerivation {
      pname = "ceph";
  