Github user anmolnar commented on the issue:
https://github.com/apache/zookeeper/pull/403
You could use git rebase command to squash/fixup the commits to merge them
into one.
http://fle.github.io/git-tip-keep-your-branch-clean-with-fixup-and-autosquash.html
Rebasing is also handy over standard merge when catching up with trunk,
because it generates nice, flat history of commits instead of a railway
station. ;)---
