GNU bug report logs - #28399
[PATCH]: Fix mysql activation, and add a basic test.

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From: ludo <at> gnu.org (Ludovic Courtès)
To: Christopher Baines <mail <at> cbaines.net>
Cc: 28399 <at> debbugs.gnu.org
Subject: [bug#28399] [PATCH 1/2] services: mysql: Fix missing modules on activation.
Date: Mon, 11 Sep 2017 09:50:46 +0200

Hi Chris,

Christopher Baines <mail <at> cbaines.net> skribis:

> Some systems using the MySQL service would fail to boot, giving the error:
>
>   ERROR: no code for module (ice-9 popen)
>
> * gnu/services/databases.scm (%mysql-activation): Wrap the gexp using
>   with-imported-modules, to ensure that the required modules are available.

[...]

> +    (with-imported-modules '((ice-9 popen)
> +                             (guix build utils))

The effect of this would be to import (ice-9 popen) from the host Guile
in the build side.  Thus someone running Guile 2.2.2 on the host would
get a slightly different file from someone running Guile 2.0.14, and so
on, which hinders reproducibility.

The ‘use-modules’ form should be enough.  Does the test you sent
reproduce the original problem?

Thanks,
Ludo’.

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