GNU bug report logs - #69401
/etc/guix/machines.scm symlink can be garbage collected

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Efraim Flashner <efraim <at> flashner.co.il>
Subject: bug#69401: closed (Re: bug#69401: /etc/guix/machines.scm symlink
 can be garbage collected)
Date: Sun, 07 Apr 2024 23:13:03 +0000

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Your bug report

#69401: /etc/guix/machines.scm symlink can be garbage collected

which was filed against the guix package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 69401 <at> debbugs.gnu.org.

-- 
69401: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=69401
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Ludovic Courtès <ludo <at> gnu.org>
To: Efraim Flashner <efraim <at> flashner.co.il>
Cc: 69401-done <at> debbugs.gnu.org
Subject: Re: bug#69401: /etc/guix/machines.scm symlink can be garbage collected
Date: Mon, 08 Apr 2024 01:11:43 +0200

Ludovic Courtès <ludo <at> gnu.org> skribis:

> Ludovic Courtès <ludo <at> gnu.org> skribis:
>
>> root <at> hydra-guix-108 ~# guix gc -R $(readlink -f /run/current-system) |grep machines.scm
>> /gnu/store/xg26iis3ydik6zxqk24cyk7h9zli1d25-machines.scm
>> root <at> hydra-guix-108 ~# ls -l /etc/guix/machines.scm
>> lrwxrwxrwx 1 root root 56 Mar  7 11:53 /etc/guix/machines.scm -> /gnu/store/1171q4xhph07ll3mlzlg7igcwg3c98i1-machines.scm
>
> Turns out that both files are identical, but:
>
>   • /gnu/store/1171q4xhph07ll3mlzlg7igcwg3c98i1-machines.scm is built
>     with
>     /gnu/store/g8p09w6r78hhkl2rv1747pcp9zbk6fxv-guile-3.0.9/bin/guile
>     (‘guile-final’ ungrafted);
>
>   • /gnu/store/xg26iis3ydik6zxqk24cyk7h9zli1d25-machines.scm is built
>     with
>     /gnu/store/g49b4v7dff8xwfi7wpi8pps1ixhld3n7-guile-3.0.9/bin/guile
>     (‘guile-final’ grafted).
>
> As it turns out, <scheme-file> (used for “machines.scm”) uses
> ‘gexp->file’, which, unlike ‘gexp->script’, does not default to
> (default-guile).  That probably explains the difference.

I believe this is fixed by b30b838d5055e36be19d030db28838fec4474d98.

Ludo’.

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From: Efraim Flashner <efraim <at> flashner.co.il>
To: bug-guix <at> gnu.org
Subject: /etc/guix/machines.scm symlink can be garbage collected
Date: Mon, 26 Feb 2024 08:53:11 +0200

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Some of the build nodes behind the Berlin build farm have a childhurd
which can build packages.  Unfortunately, the symlink from
/etc/guix/machines.scm to the generated file in the store to setup
offloading has been garbage collected on several of the machines.

-- 
Efraim Flashner   <efraim <at> flashner.co.il>   רנשלפ םירפא
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