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From: Junio C Hamano <gitster@pobox.com>
To: Jeff King <peff@peff.net>
Cc: "René Scharfe" <l.s.r@web.de>,
	"Charles Bailey" <cbailey32@bloomberg.net>,
	git@vger.kernel.org
Subject: Re: [PATCH] t4212: handle systems with post-apocalyptic gmtime
Date: Tue, 01 Apr 2014 12:07:22 -0700	[thread overview]
Message-ID: <xmqqbnwk27it.fsf@gitster.dls.corp.google.com> (raw)
In-Reply-To: <20140401073848.GA22023@sigill.intra.peff.net> (Jeff King's message of "Tue, 1 Apr 2014 03:38:48 -0400")

Jeff King <peff@peff.net> writes:

> On Fri, Mar 28, 2014 at 12:30:02PM -0700, Junio C Hamano wrote:
>
>> Let's just deal with a simple known cases (like FreeBSD) in the real
>> code that everybody exercises at runtime, and have the new test only
>> check we do not segfault on a value we used to segfault upon seeing.
>
> OK. Here it is, with the other option as an "alt" patch for reference.
>
>   [1/2]: date: recognize bogus FreeBSD gmtime output
>   [2/2]: t4212: loosen far-in-future test for AIX
>   [2alt/2]: work around unreliable gmtime errors on AIX
>
> -Peff

Thanks.  2alt does not look too bad, but on the other hand, we are
replacing a value that can produce the right result on correctly
implemented gmtime with a completely bogus value only because we
know there exists one broken implementation---which does not sound a
very good trade-off, given that we would get a result that does not
correspond to the input anyway with or without the change on the
broken implementation.

  parent reply	other threads:[~2014-04-01 19:07 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-24  7:33 [PATCH 0/5] handle bogus commit dates Jeff King
2014-02-24  7:36 ` [PATCH 1/5] t4212: test bogus timestamps with git-log Jeff King
2014-02-24  7:39 ` [PATCH 2/5] fsck: report integer overflow in author timestamps Jeff King
2014-02-24  7:39 ` [PATCH 3/5] date: check date overflow against time_t Jeff King
2014-02-24  7:46 ` [PATCH 4/5] log: handle integer overflow in timestamps Jeff King
2014-02-24 19:50   ` Junio C Hamano
2014-02-24 19:58     ` Jeff King
2014-02-24 20:21       ` Junio C Hamano
2014-02-24 20:37         ` Jeff King
2014-02-24 21:01           ` Junio C Hamano
2014-02-24  7:49 ` [PATCH 5/5] log: do not segfault on gmtime errors Jeff King
2014-03-22  9:32   ` René Scharfe
2014-03-24 21:33     ` Jeff King
2014-03-24 22:03       ` René Scharfe
2014-03-24 22:11         ` Jeff King
2014-03-26 11:05   ` Charles Bailey
2014-03-26 18:21     ` Jeff King
2014-03-26 18:51       ` [PATCH] t4212: handle systems with post-apocalyptic gmtime Jeff King
2014-03-26 19:18         ` Junio C Hamano
2014-03-26 19:25           ` Jeff King
2014-03-26 19:33             ` Jeff King
2014-03-26 19:40               ` Jeff King
2014-03-26 20:36                 ` Charles Bailey
2014-03-26 20:38                   ` Jeff King
2014-03-26 20:41                     ` Charles Bailey
2014-03-26 21:22               ` Charles Bailey
2014-03-26 21:57                 ` Jeff King
2014-03-26 22:46                   ` Charles Bailey
2014-03-27 22:48                     ` Jeff King
2014-03-28 16:41                       ` Junio C Hamano
2014-03-28 18:47                         ` Jeff King
2014-03-28 19:02                           ` Junio C Hamano
2014-03-28 19:05                             ` Jeff King
2014-03-28 19:30                               ` Junio C Hamano
2014-04-01  7:38                                 ` Jeff King
2014-04-01  7:42                                   ` [PATCH 1/2] date: recognize bogus FreeBSD gmtime output Jeff King
2014-04-01 17:42                                     ` René Scharfe
2014-04-01 19:08                                       ` Junio C Hamano
2014-04-01 21:17                                         ` René Scharfe
2014-04-01 21:28                                           ` Jeff King
2014-04-01  7:43                                   ` [PATCH 2/2] t4212: loosen far-in-future test for AIX Jeff King
2014-04-01  7:45                                   ` [PATCH 2alt/2] work around unreliable gmtime errors on AIX Jeff King
2014-04-01 19:07                                   ` Junio C Hamano [this message]
2014-04-01 19:46                                     ` [PATCH] t4212: handle systems with post-apocalyptic gmtime Jeff King
2014-03-26 18:58       ` [PATCH 5/5] log: do not segfault on gmtime errors Junio C Hamano
2014-03-26 19:01         ` Jeff King
2014-03-26 21:01           ` Junio C Hamano
2014-03-26 21:09             ` Jeff King

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