From mboxrd@z Thu Jan  1 00:00:00 1970
From: Junio C Hamano <gitster@pobox.com>
Subject: Re: [PATCH] Teach git-describe --long to output always the long
 format
Date: Sun, 24 Feb 2008 19:08:08 -0800
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To: "Shawn O. Pearce" <spearce@spearce.org>
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"Shawn O. Pearce" <spearce@spearce.org> writes:

>> +		else
>> +			printf("%s-0-g%s\n", n->path,
>> +				find_unique_abbrev(cmit->object.sha1, abbrev));
>
> Is this really that useful?  Where is having the tag and the commit
> SHA-1 both useful?

I had the same question.  The only place that I find this could
be useful is when you tag, build and install, and then find
glitches before pushing the results out and rewind, rebuild and
re-tag.  I unfortunately have this issue almost all the time.

But even then, I would probably not rely on this patch.