/**
* 打软链
*
* @param null $version
* @return bool
*/
public function getLinkCommand($version)
{
$user = $this->config->release_user;
$project = Project::getGitProjectName($this->getConfig()->repo_url);
$currentTmp = sprintf('%s/%s/current-%s.tmp', rtrim($this->getConfig()->release_library, '/'), $project, $project);
// 遇到回滚,则使用回滚的版本version
$linkFrom = Project::getReleaseVersionDir($version);
$cmd[] = sprintf('ln -sfn %s %s', $linkFrom, $currentTmp);
$cmd[] = sprintf('chown -h %s %s', $user, $currentTmp);
$cmd[] = sprintf('mv -fT %s %s', $currentTmp, $this->getConfig()->release_to);
return join(' && ', $cmd);
}