public function checkSetting($setting)
{
$result = parent::checkSetting($setting);
// Extra check to make sure the hosts file *does* exist
if ($result) {
$this->file_system = new FileSystem();
$hosts_file = drush_get_option('rum-hosts-file', '');
if ($this->file_system->checkFile($hosts_file)) {
return TRUE;
} else {
throw new RumHostsFileDoesNotExist($hosts_file);
}
}
return FALSE;
}
