anchor.diff:          outputHash
           outputHashAlgo
           urls;
  -      sha1Url = "https://github.com/silnrsi/graphite/releases/download/"
  -        + "${version}/${name}.sha1sum";
         failEarly = true;
  +      fullOpts = {
  +        sha1Url = "https://github.com/silnrsi/graphite/releases/download/"
  +          + "${version}/${name}.sha1sum";
  +      };
       };
     };
   
  
positive.code: }:
  
  let
    version = "1.3.11";
  in
  stdenv.mkDerivation rec {
    name = "graphite2-${version}";
  
negative.code:     url = "https://github.com/silnrsi/graphite/releases/download/${version}/"
        + "${name}.tgz";
      hashOutput = false;
      sha256 = "cd9530c16955c181149f9af1f13743643771cb920c75a04c95c77c871a2029d0";
    };
  
    nativeBuildInputs = [
  