Alas, one of our key principles is to not hide or rename anything in Git, so your knowledge from using Git on the command line transfers to and from Sublime Merge.
Bonus if the other strings contain placeholders e.g. "Interactive #{rebase|ucfirst}" to reduce the changes.
Bravo Jon, SourceTree has been sucking more and more recently, and as a Windows & Mac user I'm looking forward to trying this out.