Re: [PATCH 0/4] rebase: update branches in multi-part topic

> This is a feature I've wanted for quite a while. When working on the sparse
> index topic, I created a long RFC that actually broke into three topics for
> full review upstream. These topics were sequential, so any feedback on an
> earlier one required updates to the later ones. I would work on the full
> feature and use interactive rebase to update the full list of commits.
> However, I would need to update the branches pointing to those sub-topics.
>
> This series adds a new --update-refs option to 'git rebase' (along with a
> rebase.updateRefs config option) that adds 'git update-ref' commands into
> the TODO list. This is powered by the commit decoration machinery.