Require you to be sync'ed to tip before pushing. That's not the case. In fact, in the context of Linux kernel development, there's many emails on LKML where L

Require you to be sync'ed to tip before pushing. That's not the case. In fact, in the context of Linux kernel development, there's many emails on LKML where Linus is telling someone that they shouldn't be merging random-kernel-of-the-day into their development branch.