From: Junio C Hamano <gitster@pobox.com>
Date: Tue, 01 Jan 2013 05:54:01 GMT
Subject: Re: git subtree error (just how do you expect me to merge 0 trees?)
Message-ID: <7vy5gdbg92.fsf@alter.siamese.dyndns.org>
In-Reply-To: <87d2xpwnty.fsf@waller.obbligato.org>

greened@obbligato.org writes:

> 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.

If that is the case, t should behave similar to 'git fetch' for
consistency.  If you want to name "current repository", you can
simply give "." as the repository parameter; this has long been
supported by 'git fetch' (as 'git pull . $branch' has been the way
to say 'git merge' for a long time).