From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Alex Riesen" <raa.lkml@gmail.com>
Subject: Re: [PATCH 2/5] diff --quiet
Date: Thu, 15 Mar 2007 00:14:55 +0100
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To: "Junio C Hamano" <junkio@cox.net>
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On 3/14/07, Junio C Hamano <junkio@cox.net> wrote:
> This adds the command line option 'quiet' to tell 'git diff-*'
> that we are not interested in the actual diff contents but only
> want to know if there is any change.  This option automatically
> turns --exit-code on, and turns off output formatting, as it
> does not make much sense to show the first hit we happened to
> have found.

Now I'm happy :)

~/linux$ time git diff-tree -r -s v2.6.16 v2.6.20

real    0m0.137s
user    0m0.117s
sys     0m0.020s
~/linux$ time ~/projects/git-diff/git-diff-tree -r --quiet v2.6.16 v2.6.20

real    0m0.006s
user    0m0.000s
sys     0m0.007s