private function handleArchive(OutputInterface $output, $source)
	{
		$tmpDir  = $this->joomla->getCfg('tmp_path');
		$tmpPath = $tmpDir . '/' . basename($source);
		$this->writeln($output, "Extracting $source", OutputInterface::VERBOSITY_VERBOSE);

		copy($source, $tmpPath);

		return $this->unpack($tmpPath);
	}