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From: David Turner <dturner@twopensource.com>
To: Jeff King <peff@peff.net>
Cc: git mailing list <git@vger.kernel.org>
Subject: Re: git reset for index restoration?
Date: Thu, 22 May 2014 14:08:16 -0400	[thread overview]
Message-ID: <1400782096.18134.1.camel@stross> (raw)
In-Reply-To: <20140522164634.GB30419@sigill.intra.peff.net>

On Thu, 2014-05-22 at 12:46 -0400, Jeff King wrote:
> On Thu, May 22, 2014 at 12:22:43PM -0400, David Turner wrote:
> 
> > If I have a git repository with a clean working tree, and I delete the
> > index, then I can use git reset (with no arguments) to recreate it.
> > However, when I do recreate it, it doesn't come back the same.  I have
> > not analyzed this in detail, but the effect is that commands like git
> > status take much longer because they must read objects out of a pack
> > file.  In other words, the index seems to not realize that the index (or
> > at least most of it) represents the same state as HEAD.  If I do git
> > reset --hard, the index is restored to the original state (it's
> > byte-for-byte identical), and the pack file is no longer read.
> 
> Are you sure it's reading a packfile?

Well, it's calling inflate(), and strace says it is reading
e.g. .git/objects/pack/pack-....{idx,pack}.

So, I would say so.

  reply	other threads:[~2014-05-22 18:08 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-22 16:22 git reset for index restoration? David Turner
2014-05-22 16:46 ` Jeff King
2014-05-22 18:08   ` David Turner [this message]
2014-05-22 18:23     ` Jeff King
2014-05-22 19:26       ` David Turner
2014-05-22 16:46 ` Elijah Newren
2014-05-22 18:17   ` David Turner
2014-05-22 18:39     ` Jeff King
2014-05-22 19:07       ` David Turner
2014-05-22 19:09         ` Jeff King
2014-05-22 19:30           ` Jeff King
2014-05-22 21:34             ` Junio C Hamano
2014-05-22 21:53               ` David Turner
2014-05-22 21:58                 ` Junio C Hamano
2014-05-22 22:01                   ` David Turner
2014-05-22 22:12                     ` Junio C Hamano
2014-05-22 22:18                       ` Junio C Hamano
2014-05-22 23:33                         ` Duy Nguyen
2014-05-22 23:37                           ` David Turner
2014-05-22 22:29                       ` Junio C Hamano
2014-05-22 23:02                         ` David Turner
2014-05-22 23:14                           ` Junio C Hamano

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