RuntimePreparer preparer = null;
File gemfile = new File( root, "Gemfile" );
if (gemfile.exists()) {
preparer = new BundlerAwareRuntimePreparer( rubyAppMetaData );
} else {
preparer = new BaseRuntimePreparer( rubyAppMetaData );
}
runtimeMetaData.setRuntimeInitializer( initializer );
runtimeMetaData.setRuntimePreparer( preparer );
}