From mboxrd@z Thu Jan  1 00:00:00 1970
From: Junio C Hamano <gitster@pobox.com>
Subject: Re: 'show' pretty %B without a diff
Date: Mon, 20 Dec 2010 01:05:17 -0800
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To: Peter Vereshagin <peter@vereshagin.org>
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Peter Vereshagin <peter@vereshagin.org> writes:

> Hey Mr(s) git show some good to me!
>
> I'd like to output a comment in my script.
> Thus, I try: 'git show --format="%B" commitId'
> There is always diff in the end of the output. No matter what format I specify, even when it is empty.
> How can I avoid diff output in the 'git show'?

The best answer to "avoid" it would be not to use "git show"; after all
the command is about showing the change it introduces when it is used on a
commit.

Especially if you are doing a script, you probably should be using
"cat-file commit" anyway, no?