From mboxrd@z Thu Jan  1 00:00:00 1970
From: Junio C Hamano <gitster@pobox.com>
Subject: Re: git-diff on touched files: bug or feature?
Date: Thu, 02 Aug 2007 03:01:15 -0700
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To: Matthieu Moy <Matthieu.Moy@imag.fr>
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In-Reply-To: <7vd4y6xnw4.fsf@assigned-by-dhcp.cox.net> (Junio C. Hamano's
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Junio C Hamano <gitster@pobox.com> writes:

> Matthieu Moy <Matthieu.Moy@imag.fr> writes:
> ...
>> I've hit this while working on a project, doing a lot of modifications
>> through scripting (some regexp substitutions and such kinds of
>> things).
>
> I have to say that you are quite mistaken.
>
> Scripted style bulk modification that indiscriminately touch
> everbody but actually only modifies some, e.g. "perl -p -i", is
> a fine component of people's workflow, but that is *NOT* the
> norm.

Having said that, there is another lesson to take home from
this.

Quite honestly, a script that indiscriminately touches everybody
but only modifies a few is simply broken.  Think about "make".
"git diff" reporting many cache-dirty files is simply reminding
you the brokenness of such a script.