Is there a way to add a hidden folder (with . prefix) to SourceTree?

Question

I'm using Spacemacs on OS X. I want to add the folder .emacs.d to SourceTree since it's clone of a git repo. However I can't even locate any hidden folder from SourceTree -> File -> Open. Does that mean I'll have to rely on some other git interface?

Answer 1

Found out that you can just drag the folder into "Repository Browser"