http://bugs.winehq.org/show_bug.cgi?id=30551
--- Comment #26 from Nikolay Sivov bunglehead@gmail.com 2012-07-02 12:10:49 CDT --- You do 'git fetch' to pull new commits, and then for example a 'git rebase origin' to move to tip. Please use git manual if you have more questions on how to use it.