dianping/phoenix — pull request #291 by leoliang (2013-11-26 17:08:48+00:00)
Title: finish tag function

1. 生成nginx conf
2. 检查nginx conf是否可以运行
3. 对模型打tag
4. 对nginx conf打tag
5. 如果以上任何一步出错，则回滚所有tag