anchor.diff:  { stdenv, lib, fetchurl, zlib, patchelf, runtimeShell }:
   
   let
  -  version = "1.8.2";
  +  version = "1.9.3";
   in
   
   stdenv.mkDerivation {
  
positive.code: 
    meta = with lib; {
      description = "Complete open source platform for building web and mobile apps in pure JavaScript";
      homepage = http://www.meteor.com;
      license = licenses.mit;
      platforms = [ "x86_64-linux" ];
      maintainers = with maintainers; [ cstrahan ];
  
negative.code:   pname = "meteor";
    src = fetchurl {
      url = "https://static-meteor.netdna-ssl.com/packages-bootstrap/${version}/meteor-bootstrap-os.linux.x86_64.tar.gz";
      sha256 = "1njp2db939w3ah5k943bkgm62k969fj47qwmlzvhmmg87xwnq3fb";
    };
  
    #dontStrip = true;
  