anchor.diff:  }:
   
   let
  -  version = "0.10.0";
  +  version = "0.11.0";
   in
   stdenv.mkDerivation rec {
     name = "thrift-${version}";
  
positive.code: 
    configureFlags = [
      "--disable-tests"
      "--disable-tutorial"
      "--disable-coverage"
    ];
  
    passthru = {
      srcVerification = fetchurl {
        failEarly = true;
        pgpsigUrls = map (n: "${n}.asc") src.urls;
        pgpKeyFingerprint = "9782 694B 8B54 B4AD D345  E52A BB06 368F 66B7 78F9";
        inherit (src) urls outputHash outputHashAlgo;
      };
    };
  
negative.code:   src = fetchurl {
      url = "mirror://apache/thrift/${version}/${name}.tar.gz";
      hashOutput = false;
      sha256 = "c4ad38b6cb4a3498310d405a91fef37b9a8e79a50cd0968148ee2524d2fa60c2";
    };
  
    buildInputs = [
  