From: Matthieu Moy <matthieu.moy@grenoble-inp.fr>
Date: Wed, 14 Jan 2015 10:00:55 GMT
Subject: Re: How to prevent empty git commit --amend
Message-ID: <vpqzj9lfzqg.fsf@anie.imag.fr>
In-Reply-To: <CA+iO_8mLsdsf1PepiB4M9jJh7pX8brqPdiwAvWGMdfYO0YKrCQ@mail.gmail.com>

Ivo Anjo <ivo.anjo@ist.utl.pt> writes:

> Is there a way to prevent a *git commit --amend** with nothing to
> commit from working?
> If not, I would like to suggest that this feature would be very helpful :)

I don't know any way to let Git do the check for you, but 

git diff --staged --quiet || git commit --amend

should do it. You can alias it like

[alias]
	amend = !git diff --staged --quiet || git commit --amend

and then use "git amend".

-- 
Matthieu Moy
http://www-verimag.imag.fr/~moy/