Re: [PATCH v2 4/6] transport-helper: warn when refspec is not used

> Felipe Contreras <felipe.contreras@gmail.com> writes:
>
>> For the modes that need it. In the future we should probably error out,
>> instead of providing half-assed support.
>>
>> The reason we want to do this is because if it's not present, the remote
>> helper might be updating refs/heads/*, or refs/remotes/origin/*,
>> directly, and in the process fetch will get confused trying to update
>> refs that are already updated, or older than what they should be. We
>> shouldn't be messing with the rest of git.
>
> So that answers my question in the response to an earlier one in
> this series.  We expect the ref updates to be done by the fetch or
> push that drives the helper, and do not want the helper to interfere
> with its ref updates.
>
> So it is not just 'refspec' _allows_ the refs to be constrained to a
> private namespace, like the earlier updates made the documentation
> say; it _is_ mandatory to use refspecs to constrain them to avoid
> touching refs/heads and refs/remotes namespace.