Re: [PATCH] fetch: report local storage errors in status table

> Previously, if there was an error while storing a local
> tracking ref, the low-level functions would report an error,
> but fetch's status output wouldn't indicate any problem.
> E.g., imagine you have an old "refs/remotes/origin/foo/bar" but
> upstream has deleted "foo/bar" in favor of a new branch
> "foo". You would get output like this:
>
>   error: there are still refs under 'refs/remotes/origin/foo'
>   From $url_of_repo
>    * [new branch]      foo        -> origin/foo
>
> With this patch, the output takes into account the status of
> updating the local ref:
>
>   error: there are still refs under 'refs/remotes/origin/foo'
>   From $url_of_repo
>    ! [new branch]      foo        -> origin/foo  (unable to update local ref)
>
> Signed-off-by: Jeff King <peff@peff.net>