anchor.diff:  
     meta = with stdenv.lib; {
       description = "An HTTP message parser written in C";
  -    homepage = https://github.com/nodejs/http-parser;
  +    homepage = "https://github.com/nodejs/http-parser";
       maintainers = with maintainers; [ matthewbauer ];
       license = licenses.mit;
       platforms = platforms.unix;
  
positive.code:     owner = "nodejs";
      repo = "http-parser";
      rev = "v${version}";
      sha256 = "189zi61vczqgmqjd2myjcjbbi5icrk7ccs0kn6nj8hxqiv5j3811";
    };
  
    NIX_CFLAGS_COMPILE = "-Wno-error";
  
negative.code: { stdenv, fetchFromGitHub }:
  
  let
    version = "2.9.4";
  in stdenv.mkDerivation {
    pname = "http-parser";
    inherit version;
  