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From: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
To: Jiri Slaby <jirislaby@gmail.com>
Cc: Bob Copeland <me@bobcopeland.com>,
	tomasw@gmail.com, Dave Young <hidave.darkstar@gmail.com>,
	stable@kernel.org, linux-wireless@vger.kernel.org,
	linux-kernel@vger.kernel.org, linville@tuxdriver.com,
	Pekka Enberg <penberg@cs.helsinki.fi>,
	ath5k-devel@venema.h4ckr.net, johannes@sipsolutions.net,
	Andrew Morton <akpm@linux-foundation.org>
Subject: Re: git-describe [Was: ath5k_config_interface deadlock fix]
Date: Fri, 01 Aug 2008 17:11:54 +0100	[thread overview]
Message-ID: <489335CA.9000204@tuffmail.co.uk> (raw)
In-Reply-To: <48932AFA.5020903@gmail.com>

Jiri Slaby wrote:
> Alan Jenkins napsal(a):
>> There must be a better way (for efficient merges, right?).  But all I
>> can think of is comparing the files in question against the diff.  I
>> checked myself and the changes don't appear to have been included in
>> v2.6.26.
>
> Ah, I see. Is this a git-describe bug or my misunderstanding of the tool?

It's not an implementation bug.  It's just very easy to misunderstand.

git-describe only looks _back_ in time to what the current commit is
based on.  In this case the commit was based on v2.6.26-rc8 - but it
_wasn't_ merged into 2.6.26.  It was presumably merged in for
v2.6.27-rc1.  This is a perfectly legal history in GIT.

It's probably most often encountered during git-bisect.  If you bisect
e.g. between v2.6.26 and v.2.6.27-rc1, you're likely to see commits
which were based on v2.6.26-rc8.

If that doesn't help, try finding an introduction to GIT with some good
pictures.  I think it's easier to understand it visually.

Alan

  reply	other threads:[~2008-08-01 16:11 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-01  7:46 [PATCH] ath5k : ath5k_config_interface deadlock fix Dave Young
2008-08-01  8:01 ` Jiri Slaby
2008-08-01  8:03   ` Pekka Enberg
2008-08-01  8:14     ` Andrew Morton
2008-08-01 13:43       ` Bob Copeland
2008-08-01 15:02         ` Jiri Slaby
2008-08-01 15:21           ` Jiri Slaby
2008-08-01 15:21           ` [ath5k-devel] " Alan Jenkins
2008-08-01 15:25             ` git-describe [Was: ath5k_config_interface deadlock fix] Jiri Slaby
2008-08-01 16:11               ` Alan Jenkins [this message]
2008-08-01 15:23           ` [PATCH] ath5k : ath5k_config_interface deadlock fix Bob Copeland
2008-08-01 16:28             ` [ath5k-devel] " Alan Jenkins
2008-08-04  3:02         ` Dave Young
2008-08-04  8:06           ` Jiri Slaby
2008-08-04  9:02             ` Dave Young

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