class Zip::OutputStream

def finalize_current_entry
  return unless @current_entry
  finish
  @current_entry.compressed_size = @output_stream.tell - \
                                   @current_entry.local_header_offset - \
                                   @current_entry.calculate_local_header_size
  @current_entry.size = @compressor.size
  @current_entry.crc = @compressor.crc
  @output_stream << @encrypter.data_descriptor(@current_entry.crc, @current_entry.compressed_size, @current_entry.size)
  @current_entry.gp_flags |= @encrypter.gp_flags
  @current_entry = nil
  @compressor = ::Zip::NullCompressor.instance
end