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From: Jeff King <peff@peff.net>
To: Junio C Hamano <gitster@pobox.com>
Cc: "Zbigniew Jędrzejewski-Szmek" <zbyszek@in.waw.pl>,
	"Randal L. Schwartz" <merlyn@stonehenge.com>,
	"Ralf Nyren" <ralf.nyren@ericsson.com>,
	git@vger.kernel.org
Subject: Re: Strange effect merging empty file
Date: Thu, 22 Mar 2012 13:59:53 -0400	[thread overview]
Message-ID: <20120322175952.GA13069@sigill.intra.peff.net> (raw)
In-Reply-To: <7vty1gy3eh.fsf@alter.siamese.dyndns.org>

On Thu, Mar 22, 2012 at 10:03:02AM -0700, Junio C Hamano wrote:

> > I was thinking the same thing. And it seems this came up once before,
> > and the list seemed to favor special-casing merge-recursive (but not
> > diffcore):
> >
> >   http://thread.gmane.org/gmane.comp.version-control.git/116917/focus=117082
> 
> Yeah, thanks for digging up the old thread. I was looking at the patch to
> merge-recursive from Dscho on that thread and I think it identified the
> place that needs patching correctly. I was on a tablet, without the access
> to the surrounding code outside the patch context, so I do not know if the
> logic to detect the pure-rename of an empty file in the patch was correct,
> or the patch still applies to the current codebase, though.

It's easy to apply the patch manually, and I have written a test.
However, it seems to cause lots of other parts of t6022 to fail. I'll
try to dig up the cause.

-Peff

  reply	other threads:[~2012-03-22 18:00 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-21 10:28 Strange effect merging empty file Ralf Nyren
2012-03-21 10:54 ` Zbigniew Jędrzejewski-Szmek
2012-03-21 17:14   ` Junio C Hamano
2012-03-22 12:17   ` Randal L. Schwartz
2012-03-22 12:39     ` Ralf Nyren
2012-03-22 12:47     ` Zbigniew Jędrzejewski-Szmek
2012-03-22 14:01       ` Jeff King
2012-03-22 17:03         ` Junio C Hamano
2012-03-22 17:59           ` Jeff King [this message]
2012-03-22 18:25             ` Jeff King
2012-03-22 18:52               ` Jeff King
2012-03-22 18:53                 ` [PATCH 1/3] drop casts from users EMPTY_TREE_SHA1_BIN Jeff King
2012-03-22 18:53                 ` [PATCH 2/3] make is_empty_blob_sha1 available everywhere Jeff King
2012-03-22 18:53                 ` [PATCH 3/3] merge-recursive: don't detect renames from empty files Jeff King
2012-03-22 19:18                   ` Jonathan Nieder
2012-03-22 21:53                     ` Jeff King
2012-03-22 18:52               ` Strange effect merging empty file Junio C Hamano
2012-03-22 19:03                 ` Jeff King
2012-03-22 19:12                   ` Junio C Hamano
2012-03-22 22:46                     ` [PATCH 0/2] merging renames of empty files Jeff King
2012-03-22 22:52                       ` [PATCH 1/2] teach diffcore-rename to optionally ignore empty content Jeff King
2012-03-22 22:52                       ` [PATCH 2/2] merge-recursive: don't detect renames of empty files Jeff King
2012-03-22 23:37                       ` [PATCH 0/2] merging " Junio C Hamano
2012-03-23  0:23                         ` Jeff King
2012-03-23  4:56                           ` Junio C Hamano

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