anchor.diff:  
     src = fetchurl {
       url = "https://cache.ruby-lang.org/pub/ruby/${major}/${name}.tar.xz";
  -    sha256 = "886ac5eed41e3b5fc699be837b0087a6a5a3d10f464087560d2d21b3e71b754d";
  +    sha256 = "47b629808e9fd44ce1f760cdf3ed14875fc9b19d4f334e82e2cf25cb2898f2f2";
     };
   
     buildInputs = [
       gdbm
  -    libffi
  +    gmp
       openssl
       readline
       zlib
  
positive.code:     "--enable-shared"
    ];
  
    preFixup = ''
      rm "$out/share/ri/2.5.0/system/created.rid"
    '';
  
    meta = with stdenv.lib; {
      maintainers = with maintainers; [
        wkennington
  
negative.code: , fetchurl
  
  , gdbm
  , gmp
  , openssl
  , readline
  , zlib
  }:
  
  let
    major = "2.6";
    patch = "1";
    version = "${major}.${patch}";
  in
  