Re: [PATCH 0/5] branch: Fix --track on a remote-tracking non-branch

> However, in addition to requiring a matching remote/refspec, I also
> (for reasons that are still unclear to me) added a requirement that
> the resulting remote ref name (to be stored into branch.<name>.merge)
> must start with "refs/heads/" (see the last line of
> branch.c:check_tracking_branch()).
>
> Although it is typically the case that an upstream branch is a proper
> (refs/heads/*) branch in the remote repo (which explains why we have
> not noticed this until now), I think it is _wrong_ of Git to _require_
> this when configuring the upstream.