Ludovic Courtès <ludo@HIDDEN>
to control <at> debbugs.gnu.org.
Full text available.Received: (at 78440) by debbugs.gnu.org; 15 May 2025 12:26:23 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Thu May 15 08:26:23 2025 Received: from localhost ([127.0.0.1]:52374 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1uFXfK-0004h9-ST for submit <at> debbugs.gnu.org; Thu, 15 May 2025 08:26:23 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:52968) by debbugs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from <ludo@HIDDEN>) id 1uFXfH-0004gl-I7 for 78440 <at> debbugs.gnu.org; Thu, 15 May 2025 08:26:20 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <ludo@HIDDEN>) id 1uFXf8-0005t4-QT; Thu, 15 May 2025 08:26:10 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-Version:Date:References:In-Reply-To:Subject:To: From; bh=NDUzMQ/uvLlUnoSnPq5e+ZWdxbbvjkQ9Jqrw3pwXLzI=; b=hYgqaOFXsdthY+1yFItH Xf5aqtD1+LEdoTKgx9omt/vNrgiq6Ny5P7WpT7hjSlfDhiR6UYquE7mgrrEQlF2i/5MP3CHZ50txf ZiWAlMwi1ZFtGAAJWsaU4rNCPPioBmlGlzTlE9pkvogGZt1UGVNsKQQ/Ec54WMRJHFcvL6RNBSBFg MPegfbXqKxUYt27mfnHGO75eRi8W7MKdEyMumSlzWKajXjSwaHTHhf1iRwucDTL73e+nBkDDkIwdv cUGFpobfgzXmcDoyLQQeOMUtSLthHkxQEkSf43d/L0rAZAFQFkKKhSfn7i74TWbpVfL/IqKwcvObj ianxoRxmjr5O0A==; From: =?utf-8?Q?Ludovic_Court=C3=A8s?= <ludo@HIDDEN> To: Ricardo Wurmus <rekado@HIDDEN> Subject: Re: Unexpected requirement of --writable-root when using --share with guix shell In-Reply-To: <87msbeth40.fsf@HIDDEN> (Ricardo Wurmus's message of "Thu, 15 May 2025 10:26:07 +0200") References: <87msbeth40.fsf@HIDDEN> User-Agent: mu4e 1.12.9; emacs 29.4 X-URL: https://people.bordeaux.inria.fr/lcourtes/ X-PGP-Fingerprint: 3CE4 6455 8A84 FDC6 9DB4 0CFB 090B 1199 3D9A EBB5 X-OS: x86_64-pc-linux-gnu X-Revolutionary-Date: Sextidi 26 =?utf-8?Q?Flor=C3=A9al?= an 233 de la =?utf-8?Q?R=C3=A9volution=2C?= jour du Fusain Date: Thu, 15 May 2025 14:25:35 +0200 Message-ID: <87ikm2vz5s.fsf@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 78440 Cc: 78440 <at> debbugs.gnu.org, Navid.Afkhami@HIDDEN X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) Hi Ricardo, Ricardo Wurmus <rekado@HIDDEN> writes: > Is this intentional or should we add an exception to make the > in-container home directory created for the user invoking "guix shell" > writable for that same user? This is being discussed in <https://issues.guix.gnu.org/78363>. The conclusion so far is that we should probably make $HOME writable. Thanks, Ludo=E2=80=99.
bug-guix@HIDDEN:bug#78440; Package guix.
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From: Ricardo Wurmus <rekado@HIDDEN>
To: 78440 <at> debbugs.gnu.org
Subject: Unexpected requirement of --writable-root when using --share with
guix shell
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Date: Thu, 15 May 2025 10:26:07 +0200
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This is due to a change introduced with commit=20
ce363c1dc7bd63a74dcf7788d340819f6d5db89f:
--8<---------------cut here---------------start------------->8---
commit ce363c1dc7bd63a74dcf7788d340819f6d5db89f
Author: Ludovic Court=C3=A8s <ludo@HIDDEN>
environment: Add =E2=80=98--writable-root=E2=80=99 and default to read-=
only=20
root.
=20=20=20=20
This is an incompatible change where the root file system in
=E2=80=98guix shell -C=E2=80=99 is now read-only by default.
--8<---------------cut here---------------end--------------->8---
There have been follow-up commits, such as=20
edc799dabfb059735f1a3084384925fe573d9de1 to make /tmp writable=20
again:
--8<---------------cut here---------------start------------->8---
commit edc799dabfb059735f1a3084384925fe573d9de1
Author: Ludovic Court=C3=A8s <ludo@HIDDEN>
environment, home: Make /tmp writable.
=20=20=20=20
Fixes <https://issues.guix.gnu.org/78272>.
=20=20=20=20
Fixes a bug caused by commit=20
ce363c1dc7bd63a74dcf7788d340819f6d5db89f,
which inadvertently made /tmp read-only as well.
--8<---------------cut here---------------end--------------->8---
The problem here is that the user's temporary home directory=20
inside the container is now read-only by default, because it is a=20
decendent of the read-only root directory:
--8<---------------cut here---------------start------------->8---
guix shell --container coreutils -- /bin/sh -c 'env > ~/.test'
/bin/sh: line 1: /home/rekado/.test: Read-only file system
--8<---------------cut here---------------end--------------->8---
Is this intentional or should we add an exception to make the=20
in-container home directory created for the user invoking "guix=20
shell" writable for that same user?
--=20
Ricardo
bug-guix@HIDDEN:bug#78440; Package guix.
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From: "Navid.Afkhami@HIDDEN" <Navid.Afkhami@HIDDEN>
To: "bug-guix@HIDDEN" <bug-guix@HIDDEN>
Subject: Unexpected requirement of --writable-root when using --share with
guix shell
Thread-Topic: Unexpected requirement of --writable-root when using --share
with guix shell
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Dear Guix Team,
I=E2=80=99d like to report what may be an unintended behavior in recent =
versions of guix shell.
Summary:
When using guix shell with the --share option, we are now required to =
also pass --writable-root for the command to work. This was not =
previously necessary and may be a regression or side effect of recent =
changes.
Expectation
Given that --share should allow mounting host directories into the =
container, it=E2=80=99s not clear why --writable-root is required. This =
seems to go against the previous behavior and intended design.
Please let me know if additional information is needed. Happy to assist =
with further debugging.
Best regards,
Navid
=20
- - =20
Navid Afkhami
High Performance Computing (HPC)
Max Delbr=C3=BCck Center for Molecular Medicine (MDC)
Robert-R=C3=B6ssle-Stra=C3=9Fe 10, 13125 Berlin
Phone: +49 30 9406 1316
Email: navid.afkhami@HIDDEN
=20
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Team,<o:p></o:p></span></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span =
style=3D'font-family:"IBM Plex =
Sans",sans-serif;mso-fareast-language:#1000'>I=E2=80=99d like to report =
what may be an unintended behavior in recent versions of </span><span =
style=3D'font-family:"IBM Plex =
Sans",sans-serif;mso-fareast-language:#1000'>guix shell</span><span =
style=3D'font-family:"IBM Plex =
Sans",sans-serif;mso-fareast-language:#1000'>.<o:p></o:p></span></p><p =
class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span =
style=3D'font-family:"IBM Plex =
Sans",sans-serif;mso-fareast-language:#1000'>Summary</span></b><b><span =
lang=3DEN-US style=3D'font-family:"IBM Plex =
Sans",sans-serif;mso-fareast-language:#1000'>:<o:p></o:p></span></b></p><=
p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span =
style=3D'font-family:"IBM Plex =
Sans",sans-serif;mso-fareast-language:#1000'>When using </span><span =
style=3D'font-family:"IBM Plex =
Sans",sans-serif;mso-fareast-language:#1000'>guix shell</span><span =
style=3D'font-family:"IBM Plex =
Sans",sans-serif;mso-fareast-language:#1000'> with the </span><span =
style=3D'font-family:"IBM Plex =
Sans",sans-serif;mso-fareast-language:#1000'>--share</span><span =
style=3D'font-family:"IBM Plex =
Sans",sans-serif;mso-fareast-language:#1000'> option, we are now =
required to also pass </span><span style=3D'font-family:"IBM Plex =
Sans",sans-serif;mso-fareast-language:#1000'>--writable-root</span><span =
style=3D'font-family:"IBM Plex =
Sans",sans-serif;mso-fareast-language:#1000'> for the command to work. =
This was not previously necessary and may be a regression or side effect =
of recent changes.<o:p></o:p></span></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span =
style=3D'font-family:"IBM Plex =
Sans",sans-serif;mso-fareast-language:#1000'>Expectation<o:p></o:p></span=
></b></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span =
style=3D'font-family:"IBM Plex =
Sans",sans-serif;mso-fareast-language:#1000'>Given that </span><span =
style=3D'font-family:"IBM Plex =
Sans",sans-serif;mso-fareast-language:#1000'>--share</span><span =
style=3D'font-family:"IBM Plex =
Sans",sans-serif;mso-fareast-language:#1000'> should allow mounting host =
directories into the container, it=E2=80=99s not clear why </span><span =
style=3D'font-family:"IBM Plex =
Sans",sans-serif;mso-fareast-language:#1000'>--writable-root</span><span =
style=3D'font-family:"IBM Plex =
Sans",sans-serif;mso-fareast-language:#1000'> is required. This seems to =
go against the previous behavior and intended =
design.<o:p></o:p></span></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span =
style=3D'font-family:"IBM Plex =
Sans",sans-serif;mso-fareast-language:#1000'>Please let me know if =
additional information is needed. Happy to assist with further =
debugging.<o:p></o:p></span></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span =
style=3D'font-family:"IBM Plex =
Sans",sans-serif;mso-fareast-language:#1000'>Best =
regards,<br>Navid<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"IBM Plex =
Serif",serif'><o:p> </o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Arial",sans-serif;color:#2E74B5;mso-fareast-languag=
e:#1000'>- -=C2=A0 <o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Arial",sans-serif;color:#2E74B5;mso-fareast-languag=
e:#1000'>Navid Afkhami<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Arial",sans-serif;color:#2E74B5;mso-fareast-languag=
e:#1000'>High Performance Computing (HPC)<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-family:"Arial",sans-serif;color:#2E74B5;mso-fareast-languag=
e:#1000'>Max Delbr=C3=BCck Center for Molecular Medicine =
(MDC)<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Arial",sans-serif;color:#2E74B5;mso-fareast-languag=
e:#1000'>Robert-R=C3=B6ssle-Stra=C3=9Fe 10, 13125 =
Berlin<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Arial",sans-serif;color:#2E74B5;mso-fareast-languag=
e:#1000'>Phone: +49 30 9406 1316<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-family:"Arial",sans-serif;color:#2E74B5;mso-fareast-languag=
e:#1000'>Email:=C2=A0=C2=A0 =
navid.afkhami@HIDDEN<o:p></o:p></span></p><p =
class=3DMsoNormal><o:p> </o:p></p></div></body></html>
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"Navid.Afkhami@HIDDEN" <Navid.Afkhami@HIDDEN>:bug-guix@HIDDEN.
Full text available.bug-guix@HIDDEN:bug#78440; Package guix.
Full text available.
GNU bug tracking system
Copyright (C) 1999 Darren O. Benham,
1997 nCipher Corporation Ltd,
1994-97 Ian Jackson.