From mboxrd@z Thu Jan  1 00:00:00 1970
From: Junio C Hamano <gitster@pobox.com>
Subject: Re: [PATCH] Support diff.autorefreshindex=true in `git-diff --quiet'
Date: Mon, 01 Sep 2008 03:31:36 -0700
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To: Karl Chen <quarl@cs.berkeley.edu>
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In-Reply-To: <quack.20080901T0129.lth8wuci80o@roar.cs.berkeley.edu> (Karl
 Chen's message of "Mon, 01 Sep 2008 01:29:27 -0700")
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Karl Chen <quarl@cs.berkeley.edu> writes:

> When diff.autorefreshindex is true, if a file has merely been 'touched'
> (mtime changed, but contents unchanged), then `git-diff --quiet' will
> now return 0 (indicating no change) instead of 1, and also silently
> refresh the index.

My knee-jerk reaction is that I do not particularly like this, but I
haven't thought things through.  What does --exit-code do with or without
the configuration variable?