anchor.diff:      homepage = http://maven.apache.org/;
       license = licenses.asl20;
       platforms = platforms.unix;
  +    maintainers = with maintainers; [ cko ];
     };
   }
  
positive.code: 
  assert jdk != null;
  
  let version = "3.5.0"; in
  stdenv.mkDerivation rec {
    name = "apache-maven-${version}";
  
  
negative.code: 
    src = fetchurl {
      url = "mirror://apache/maven/maven-3/${version}/binaries/${name}-bin.tar.gz";
      sha256 = "1zza5kjf69hnx41gy3yhvsk1kz259nig5njcmzjbsr8a75p1yyvh";
    };
  
    buildInputs = [ makeWrapper ];
  