From: Junio C Hamano <gitster@pobox.com>
Date: Fri, 10 Oct 2014 21:18:29 GMT
Subject: Re: bug with partial commit and pre-commit hook updating the index
Message-ID: <xmqqy4sn4o9m.fsf@gitster.dls.corp.google.com>
In-Reply-To: <20141010171834.GB21355@kitenet.net>

Joey Hess <joey@kitenet.net> writes:

> I have found many uses for the feature that lets a pre-commit hook stage
> changes in the index that will be included in the commit. But now I seem
> to have found a bug in the support for that, involving partial commits.
>
> It seems that, after a partial commit in which the pre-commit hook
> stages a modification of a file, the index is is left without that
> staged change. This only occurs with "git commit $file", not "git commit -a".

Aren't pre-* hooks about verifications?  Who told you that you are
allowed to muck with the index there?