It only removes the last commit. It's terribly named IMO, actually, cause I think that's seldomly the kind of thing you get into "omg I messed up how do I undo"

It only removes the last commit. It's terribly named IMO, actually, cause I think that's seldomly the kind of thing you get into "omg I messed up how do I undo" panic for. The undo described here is much more powerful and much closer to what people expect from the word "undo" from its functionality in other tools.