Github user miguelaferreira commented on the pull request:
https://github.com/apache/cloudstack/pull/730#issuecomment-134934893
@ustcweizhou good catch!
The idea of that script was to be a simple collection of git commands and
assumed that people already understood git. But then we iterated many times
over it, adding more and more logic to make it "easier to use". The issue you
just bumped into is the downside: the script became to tied up in small details!
We should fix this structurally in the script.
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