GNU bug report logs - #47989
[PATCH] channels: Add a #:system argument to channel-instances->manifest.

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Message #29 received at 47989 <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: Christopher Baines <mail <at> cbaines.net>
Cc: 47989 <at> debbugs.gnu.org
Subject: Re: bug#47989: [PATCH] channels: Add a #:system argument to
 channel-instances->manifest.
Date: Tue, 11 May 2021 10:48:35 +0200

Hi,

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

> Yep, the Guix Data Service currently uses channel-instances->manifest to
> compute the channel instance derivations (which show up here for example
> [1]. Currently it computes the derivations for different systems by
> setting %current-system, but this has the side effect of also running
> the Guile code for computing the derivation with Guile for that system.
>
> 1: https://data.guix.gnu.org/revision/afec2784174058fdd85d9698e1fa748c45bfa8ee/channel-instances

I see, that’s because you explicitly want to channel derivations for
several systems in this case.  Got it!

Ludo’.

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