Re: git subtree error (just how do you expect me to merge 0 trees?)

> Junio C Hamano <gitster@pobox.com> writes:
>
>>> With one positional option, git-subtree add simply assumes
>>> it's a refspec.  Is there an easy way to check whether a string is a
>>> proper refspec?  Even better would be a way to check if a string is a
>>> path to a git repository.
>>
>> Do you literally mean "a path to a repository" in the above, or do
>> you mean "a remote that is like what is accepted by 'git fetch'"?
>
> It's the latter as git-subtree calls git-fetch to do the work of
> getting revisions.