Is there a way to show only the branch structure in Git? There are a number of tools that show the commits graphically, but in my case the list is so long that it's impossible to see the structure. I guess git-log could be the answer, but I can't find any switches that only show the branching commits. This along with "--graph --branches --oneline --all" could do the trick.
EDIT: I'm looking for a way to do this in Ubuntu.