From: Rolf Eike Beer <eb@emlix.com>
To: git@vger.kernel.org, Linus Torvalds <torvalds@linux-foundation.org>
Cc: Tobias Ulmer <tu@emlix.com>, Junio C Hamano <gitster@pobox.com>,
linux-kernel@vger.kernel.org
Subject: Re: data loss when doing ls-remote and piped to command
Date: Thu, 16 Sep 2021 14:17:34 +0200 [thread overview]
Message-ID: <2677927.DK6gFqPMyL@devpool47> (raw)
In-Reply-To: <85a103f6-8b3c-2f21-cc0f-04f517c0c9a1@emlix.com>
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Am Donnerstag, 16. September 2021, 12:12:48 CEST schrieb Tobias Ulmer:
> On 16/09/2021 08:38, Rolf Eike Beer wrote:
> ...
>
> > The redirection seems to be an important part of it. I now did:
> >
> > git ... 2>&1 | sha256sum
>
> I've tried to reproduce this since yesterday, but couldn't until now:
>
> 2>&1 made all the difference, took less than a minute.
>
> Different repo, different machine, but also running Tumbleweed
> 5.14.1-1-default, git 2.33.0
>
> while [ "`git --git-dir=$PWD/in/linux/.git ls-remote origin 2>&1 | tee
> failed.out | sha1sum`" = "7fa299e589bacdc908395730beff542b0fc684eb -"
> ]; do echo -n .; done
> ..........
>
> failed.out has multiple lines like this:
>
> --8<--
> 4e77f7f1261f65cff06918bc5e66d02a418fc842 refs/tags/v3.10.18^{}
> f7b8df0cc81cf82a4ac6834225bddbe46a340455a4a5d52f29d08d923ce8d232b0b497da674d
> d2c refs/tags/v3.18
> b2776bf7149bddd1f4161f14f79520f17fc1d71d refs/tags/v3.18^{}
> --8<--
>
>
> Running the same on Archlinux (5.13.13-arch1-1, 2.33.0) doesn't show the
> problem.
> This may well turn out not to be git, but a kernel issue.
Linus,
since you have been hacking around in pipe.c recently, I fear this isn't
entirely impossible. Have you any idea?
For easier reference, the complete thread is at:
https://public-inbox.org/git/85a103f6-8b3c-2f21-cc0f-04f517c0c9a1@emlix.com/T/
Eike
--
Rolf Eike Beer, emlix GmbH, http://www.emlix.com
Fon +49 551 30664-0, Fax +49 551 30664-11
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Geschäftsführung: Heike Jordan, Dr. Uwe Kracke – Ust-IdNr.: DE 205 198 055
emlix - smart embedded open source
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next prev parent reply other threads:[~2021-09-16 12:17 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-15 12:43 data loss when doing ls-remote and piped to command Rolf Eike Beer
2021-09-15 18:17 ` Junio C Hamano
2021-09-16 6:38 ` Rolf Eike Beer
2021-09-16 10:12 ` Tobias Ulmer
2021-09-16 12:17 ` Rolf Eike Beer [this message]
2021-09-16 15:49 ` Mike Galbraith
2021-09-17 6:38 ` Mike Galbraith
2021-09-16 17:11 ` Linus Torvalds
2021-09-16 20:42 ` Junio C Hamano
2021-09-17 6:59 ` Rolf Eike Beer
2021-09-17 19:13 ` Jeff King
2021-09-17 19:28 ` Linus Torvalds
2021-09-18 6:33 ` Mike Galbraith
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