@b0rk Yes! And that there are always at least 3 copies of all references in play at once (yours, the remote's, and your most recently-made copy of the remote's). The mental model is quite a lot to internalize, as powerful as the resulting tool may be.
@graydon @b0rk Gollum Wiki was a puzzle at first because it doesn't look at the checked out workspace but only the local branch head. Pay no attention to the filesystem behind the curtain...