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From: demerphq <demerphq@gmail.com>
To: Ulrich Windl <ulrich.windl@rz.uni-regensburg.de>
Cc: Michael J Gruber <git@drmicha.warpmail.net>, git@vger.kernel.org
Subject: Re: On git 1.6 (novice's opinion)
Date: Sat, 28 Mar 2009 11:33:10 +0100	[thread overview]
Message-ID: <9b18b3110903280333t1b7ec8d9x252f7e67e0753796@mail.gmail.com> (raw)
In-Reply-To: <49CCE72E.20081.258EE61F@Ulrich.Windl.rkdvmks1.ngate.uni-regensburg.de>

2009/3/27 Ulrich Windl <ulrich.windl@rz.uni-regensburg.de>:
> On 27 Mar 2009 at 13:49, Michael J Gruber wrote:
>
>> Ulrich Windl venit, vidit, dixit 27.03.2009 08:21:
>
> [...]
>
>> Keyword substitution and cvs/svn style version numbers are independent
>> issues. The sha1 describes a commit uniquely, one could use that as a
>> keyword.
>
> However version numbers and time stamps have the property of being at least
> partially ordered in respect of "newer/older". That property does not hold for
> SHA-1 checksums. Just imagine suggesting users to upgrade from Microsoft
> Word/004765c2a1e9771e886f0dbe87d4f89643cd6f70 to Microsoft
> Word/00b7e6f51130f234a969c84ee9231a5ff7fc8a82 ;-)

The problem here is that in some "version control" systems the concept
of "release version" has been conflated with "version control system
revision number".

They arent the same thing, never were, and conflating the two only
caused and causes trouble.

A "release version" is a *tag*, always has been or should have been
really, and in git is in fact.

Cheers,
yves



-- 
perl -Mre=debug -e "/just|another|perl|hacker/"

  parent reply	other threads:[~2009-03-28 10:34 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-03-27  7:21 On git 1.6 (novice's opinion) Ulrich Windl
2009-03-27  8:05 ` H.Merijn Brand
2009-03-27  9:50   ` Ulrich Windl
2009-03-27 10:57     ` Etienne Vallette d'Osia
2009-03-27 11:30       ` Etienne Vallette d'Osia
2009-03-27 12:24     ` Dmitry Potapov
2009-03-27 13:39       ` Ulrich Windl
2009-03-27 13:45         ` Matthieu Moy
2009-03-27 13:47         ` Etienne Vallette d'Osia
2009-04-01  6:50           ` Ulrich Windl
2009-04-01  7:41             ` Matthieu Moy
2009-03-28  1:30         ` Junio C Hamano
2009-03-28  1:30       ` Junio C Hamano
2009-03-28  9:53         ` Dmitry Potapov
2009-03-30  6:18     ` Russ Dill
2009-04-01  7:53       ` Ulrich Windl
2009-04-01  8:37         ` Andreas Ericsson
2009-04-01  9:47           ` Ulrich Windl
2009-04-01 10:17             ` Andreas Ericsson
2009-04-01 20:37             ` Heiko Voigt
2009-03-27 12:24 ` Dmitry Potapov
2009-03-27 13:35   ` Ulrich Windl
2009-03-27 13:44     ` Matthieu Moy
2009-04-01  6:45       ` Ulrich Windl
2009-04-01  7:42         ` Matthieu Moy
2009-03-27 12:49 ` Michael J Gruber
2009-03-27 13:48   ` Ulrich Windl
2009-03-27 14:09     ` Jakub Narebski
2009-04-01  6:59       ` Ulrich Windl
2009-04-01  7:29         ` Andreas Ericsson
2009-04-01  7:54         ` Matthieu Moy
2009-04-01  9:38           ` Ulrich Windl
2009-04-01 10:10             ` Andreas Ericsson
2009-04-02  2:17         ` Jakub Narebski
2009-03-28 10:33     ` demerphq [this message]
2009-03-28  1:30 ` Junio C Hamano
2009-04-01  7:35   ` Ulrich Windl
2009-03-29  5:41 ` Bryan Donlan
2009-03-29  9:50   ` Johannes Schindelin
2009-04-01  7:42     ` Ulrich Windl
2009-04-01  7:40   ` Ulrich Windl
2009-03-30  9:06 ` Andreas Ericsson
2009-04-01  8:15   ` Ulrich Windl
2009-04-01  8:41     ` Andreas Ericsson
2009-04-01  9:55       ` Ulrich Windl
2009-04-01 10:21         ` Andreas Ericsson
2009-04-01 11:52           ` Ulrich Windl
2009-04-01 12:40             ` Andreas Ericsson
2009-04-01  2:32 ` Kris Shannon

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