protected function setProject(InputInterface $input)
{
$project = $input->getArgument('project');
$this->_projectPath = $this->_projectPath . '/' . $project;
if (is_dir($this->_projectPath)) {
throw new ExistingProjectException('Target project directory already exists');
}
mkdir($this->_projectPath, 0777, true);
return $project;
}