bug#45066: closed (guix environment --container is borken)

[GNU bug Tracking System]

Your message dated Sun, 06 Dec 2020 22:02:14 +0100
with message-id <874kky1wdl.fsf@gnu.org>
and subject line Re: bug#45066: guix environment --container is borken
has caused the debbugs.gnu.org bug report #45066,
regarding guix environment --container is borken
to be marked as done.

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45066: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=45066
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> --- Begin Message ---
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> Subject: 
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> guix environment --container is borken
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> Date: 
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> Sun, 06 Dec 2020 16:59:41 +0800
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> User-agent: 
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> K-9 Mail for Android
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> In the new guix `guix environment --container` is borken.
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> The reason lies in the 8bc5ca5160db3d82bd5b6b2b7ed80c96f42bd33e of the master branch:
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> It checks if the file exists and then returns a boolean
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> None of my 3 Guix System machines have this file but they can still run unprivileged containers.
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> Please fix it,
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> thanks very much
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>
> luhux
> --- End Message ---

--- Begin Message --- Subject: Re: bug#45066: guix environment --container is borken Date: Sun, 06 Dec 2020 22:02:14 +0100

zimoun <zimon.toutoune@gmail.com> skriver:

> Hi,
>
> On Sun, 06 Dec 2020 at 16:59, luhux <luhux@outlook.com> wrote:
>> In the new guix `guix environment --container` is borken.
>
> It is not broken.

It was broken.  :-)

> Have you tried the recommendation?
>
> --8<---------------cut here---------------start------------->8---
> $ su -
> Password: 
> # echo 1 > /proc/sys/kernel/unprivileged_userns_clone 
> # logout
>
> $ guix environment -C --ad-hoc hello -- hello 
> Hello, world!
> --8<---------------cut here---------------end--------------->8---

...because this only works on the Debian kernel.

We need to find a more robust test for user namespaces, but for now I
reverted the commit.

Closing!  Thanks for the report luhux.  :-)

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