GNU logs - #42983, boring messages

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Subject: bug#42983: "sudo -E guix pull" breaks ~/.config/guix/current for regular user
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From: Danny Milosavljevic <dannym@HIDDEN>
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Hello,

Paul <paul@HIDDEN> reported on IRC that his guix behaved strangely.  =
Upon
investigation we found that the following happens (on a Guix system), when =
logged
in as regular user (not root):

$ readlink ~/.config/guix/current
/var/guix/profiles/per-user/dannym/current-guix
$ sudo -E guix pull
$ readlink ~/.config/guix/current
/var/guix/profiles/per-user/root/current-guix

You can also rm -f ~/.config/guix/current after that and do everything above
again and it will happen again.  It even happens when guix pull has nothing=
 to
do.

That doesn't seem right.  We should at least try to prevent this from happe=
ning,
or warn or something.

The guix package manager that did that is:

$ sudo -E guix describe
Generation 64   Aug 22 2020 11:41:04    (current)
  guix dad963a
    repository URL: https://git.savannah.gnu.org/git/guix.git
    branch: master
    commit: dad963a4393ea51409baa63817b26b449ed58338
  heads 50b97d4
    repository URL: https://github.com/daym/heads-guix.git
    branch: wip-musl
    commit: 50b97d446ebafd0be7a0e19d87cd236882093244

$ sudo -i
# guix describe
Generation 64   22. August 2020 11:41:04        (aktuell)
  guix dad963a
    Repository-URL: https://git.savannah.gnu.org/git/guix.git
    Branch: master
    Commit: dad963a4393ea51409baa63817b26b449ed58338
  heads 50b97d4
    Repository-URL: https://github.com/daym/heads-guix.git
    Branch: wip-musl
    Commit: 50b97d446ebafd0be7a0e19d87cd236882093244

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From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: Danny Milosavljevic <dannym@HIDDEN>
Subject: bug#42983: Acknowledgement ("sudo -E guix pull" breaks
 ~/.config/guix/current for regular user)
Message-ID: <handler.42983.B.15980920883382.ack <at> debbugs.gnu.org>
References: <20200822122750.78ddc111@HIDDEN>
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Reply-To: 42983 <at> debbugs.gnu.org
Date: Sat, 22 Aug 2020 10:29:02 +0000

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42983: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D42983
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Message sent to bug-guix@HIDDEN:

Subject: bug#42983: "sudo -E guix pull" breaks ~/.config/guix/current for regular user
Resent-From: Bengt Richter <bokr@HIDDEN>
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To: Danny Milosavljevic <dannym@HIDDEN>
Cc: 42983 <at> debbugs.gnu.org
Reply-To: Bengt Richter <bokr@HIDDEN>
Date: Sat, 22 Aug 2020 18:20:09 +0200
From: Bengt Richter <bokr@HIDDEN>
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Hi,

On +2020-08-22 12:27:50 +0200, Danny Milosavljevic wrote:
> Hello,
> 
> Paul <paul@HIDDEN> reported on IRC that his guix behaved strangely.  Upon
> investigation we found that the following happens (on a Guix system), when logged
> in as regular user (not root):
> 
> $ readlink ~/.config/guix/current
> /var/guix/profiles/per-user/dannym/current-guix
> $ sudo -E guix pull
> $ readlink ~/.config/guix/current
> /var/guix/profiles/per-user/root/current-guix
> 
> You can also rm -f ~/.config/guix/current after that and do everything above
> again and it will happen again.  It even happens when guix pull has nothing to
> do.
> 
> That doesn't seem right.  We should at least try to prevent this from happening,
> or warn or something.
>

ISTM it looks like a bug that should be fixed[1], urgently, not just warned about :)
[1] eliminated from the possibility of happening :)

> The guix package manager that did that is:
> 
> $ sudo -E guix describe
> Generation 64   Aug 22 2020 11:41:04    (current)
>   guix dad963a
>     repository URL: https://git.savannah.gnu.org/git/guix.git
>     branch: master
>     commit: dad963a4393ea51409baa63817b26b449ed58338
>   heads 50b97d4
>     repository URL: https://github.com/daym/heads-guix.git
>     branch: wip-musl
>     commit: 50b97d446ebafd0be7a0e19d87cd236882093244
> 
> $ sudo -i
> # guix describe
> Generation 64   22. August 2020 11:41:04        (aktuell)
>   guix dad963a
>     Repository-URL: https://git.savannah.gnu.org/git/guix.git
>     Branch: master
>     Commit: dad963a4393ea51409baa63817b26b449ed58338
>   heads 50b97d4
>     Repository-URL: https://github.com/daym/heads-guix.git
>     Branch: wip-musl
>     Commit: 50b97d446ebafd0be7a0e19d87cd236882093244

I find it peculiar that root (sudo -i) looks like it's using swedish locale
("aktuell" is swedish for "current") with the rest of the output identical.
(Hm, maybe that's also Norwegian ;-)

If describe is describing two things that are identical end values of
readlink -f thing{1..2}, I think it would be helpful to show the thing{1..2}
profile links it's using.

BTW, what would sudo guix describe without the -E (preserving user environment) have produced?

-- 
Regards,
Bengt Richter

Message sent to bug-guix@HIDDEN:

Subject: bug#42983: "sudo -E guix pull" breaks ~/.config/guix/current for regular user
Resent-From: Leo Famulari <leo@HIDDEN>
Original-Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org>
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To: Danny Milosavljevic <dannym@HIDDEN>
Cc: 42983 <at> debbugs.gnu.org
Date: Sat, 22 Aug 2020 12:22:41 -0400
From: Leo Famulari <leo@HIDDEN>
Message-ID: <20200822162241.GA5895@HIDDEN>
References: <20200822122750.78ddc111@HIDDEN>
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On Sat, Aug 22, 2020 at 12:27:50PM +0200, Danny Milosavljevic wrote:
> Paul <paul@HIDDEN> reported on IRC that his guix behaved strangely.  Upon
> investigation we found that the following happens (on a Guix system), when logged
> in as regular user (not root):
> 
> $ readlink ~/.config/guix/current
> /var/guix/profiles/per-user/dannym/current-guix
> $ sudo -E guix pull
> $ readlink ~/.config/guix/current
> /var/guix/profiles/per-user/root/current-guix

What is expected to happen in this case? Why would one want to use an
unprivileged environment with privileges to do `guix pull`, which is a
per-user operation?

Last modified: Sat, 22 Aug 2020 16:30:02 UTC

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