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From: "Ludovic Courtès" <ludo@gnu.org>
To: Maxime Devos <maximedevos@telenet.be>
Cc: guix-devel@gnu.org, maxim.cournoyer@gmail.com,
	zimoun <zimon.toutoune@gmail.com>
Subject: Re: weird OpenBLAS time-machine
Date: Sat, 05 Feb 2022 15:19:07 +0100	[thread overview]
Message-ID: <87pmo1gzvo.fsf@gnu.org> (raw)
In-Reply-To: <af3c9fb8c71fee557d9c41bf85318a83029a067c.camel@telenet.be> (Maxime Devos's message of "Thu, 03 Feb 2022 10:21:13 +0100")

Hi,

Maxime Devos <maximedevos@telenet.be> skribis:

> zimoun schreef op do 03-02-2022 om 03:19 [+0100]:
>> The issue is because concurrency.  If two time-machines are run
>> concurrently, they both update ~/.cache/guix/checkouts/ and the end
>> result is hard to predict.

Ah, glad you found out the culprit!

> FWIW it's a known issue but I can't find it on issues.guix.gnu.org.
> The (unimplemented) fix is to use worktrees, or don't checkout and use
> the libgit2 / (guix git) equivalent of
> "git show 46fc72b2bfee2a30a3c3f3320e7d84b4b2fd646e some-file".

Hmm I cannot find it either.  But yeah, probably better than worktrees
would be reading blobs directly off Git.

Thanks,
Ludo’.


      parent reply	other threads:[~2022-02-05 14:19 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-02 17:00 weird OpenBLAS time-machine zimoun
2022-02-03  2:19 ` zimoun
2022-02-03  9:21   ` Maxime Devos
2022-02-03 10:42     ` zimoun
2022-02-03 12:20       ` Maxime Devos
2022-02-05 14:19     ` Ludovic Courtès [this message]

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