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:     url = "https://github.com/silnrsi/graphite/releases/download/${version}/"
        + "${name}.tgz";
      hashOutput = false;
      sha256 = "bab92ed1844d6538e7e5bda76f6ac9aaf633e38b683983b942c78c8ce063ad7c";
    };
  
    nativeBuildInputs = [
  
negative.code: }:
  
  let
    version = "1.3.12";
  in
  stdenv.mkDerivation rec {
    name = "graphite2-${version}";
  