From mboxrd@z Thu Jan  1 00:00:00 1970
From: "NODA, Kai" <nodakai@gmail.com>
Subject: Re: git tag --contains <commit> -n=1 ?
Date: Thu, 24 Dec 2009 05:37:35 +0900
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Thank you for your reply, Andreas

Andreas Schwab wrote:
...
>> Here I wonder whether "head -1" is generally correct or not when I want
>> the oldest tag.
> 
> Since the output of git tag is sorted by name, generally not.

Wow, I didn't know that.
But then, under the assumption that tags have names like verNNN,
that behavior ensures me that "head -1" works as intended.

Maybe I look at its implementation ( refs.c:do_for_each_ref , right?)
but this seems a tough code to comprehend, especially around
packed/loose/extra ...

Thanks,
Kai