discourse/docker_manager — pull request #14 by riking (2014-09-03 20:21:55+00:00)
Title: FIX: Unbuffer upgrader output using Open3.popen2e

SUCCESS

![image](https://cloud.githubusercontent.com/assets/627891/4140734/f05340f6-33a7-11e4-9f2a-11da222eed27.png)