[vtk-developers] How to update someone else's topic (or create a new topic off of theirs)

[Utkarsh Ayachit]

> For solution number 2 below, is it really necessary to close the original
> merge request? Git is pretty good about managing the history DAG. If the
> original gets merged first and then the new, the second merge should
> include only those commits since the fork. If the the second gets merged
> before the original, I would expect git to do a no-op if you tried to
> merge the original.

That's correct. The original merge request need not be closed, but
better if it is since if the topic is amended (or rebased) then the
two merge-requests would diverge.

Utkarsh