From mboxrd@z Thu Jan  1 00:00:00 1970
From: Goswin von Brederlow <goswin-v-b@web.de>
Subject: Re: Please default to 'commit -a' when no changes were added
Date: Fri, 23 Apr 2010 11:25:39 +0200
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Cc: Adam Brewster <adambrewster@gmail.com>,
	Goswin von Brederlow <goswin-v-b@web.de>,
	Nicolas Pitre <nico@fluxnic.net>,
	Jonathan Nieder <jrnieder@gmail.com>, 578764@bugs.debian.org,
	git@vger.kernel.org
To: Jon Seymour <jon.seymour@gmail.com>
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	(Jon Seymour's message of "Fri, 23 Apr 2010 08:38:21 +1000")
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Jon Seymour <jon.seymour@gmail.com> writes:

> On Fri, Apr 23, 2010 at 7:48 AM, Adam Brewster <adambrewster@gmail.com> wrote:
>
>> Consider
>>
>> $ echo -e '#!/bin/bash\nif git diff-tree --quiet HEAD; then git commit
>> -a; else git commit; fi' > `git --exec-path`/git-ci
>> $ chmod 555 `git --exec-path`/git-ci
>>
>> Adam
>
> Perhaps I am missing something, but I would have thought git
> diff-files --quiet would be more useful in this context...
>
> jon.

% git diff-files; git diff-files --quiet; echo $?
:100644 100644 09f06ca1503da57f89331ddc44f0a3c60313c531 0000000000000000000000000000000000000000 M      debian/changelog
:100644 100644 978b107709d1e45b5240a86960587d2a61d8afe6 0000000000000000000000000000000000000000 M      debian/control
1

% git add debian/control

% git diff-files; git diff-files --quiet; echo $?
:100644 100644 09f06ca1503da57f89331ddc44f0a3c60313c531 0000000000000000000000000000000000000000 M      debian/changelog
1

% git add debian/changelog 

% git diff-files; echo $? 
0

Doesn't tell me if there is an index prepared alraedy or not. Only tells
me if there are changes that are not in the index.

MfG
        Goswin