GNU bug report logs - #33515
[PATCH 0/5] Cuirass/Hydra: evaluate jobs in an inferior

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Message #26 received at 33515 <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: 33515 <at> debbugs.gnu.org
Cc: Mark H Weaver <mhw <at> netris.org>
Subject: Re: [bug#33515] [PATCH 0/5] Cuirass/Hydra: evaluate jobs in an
 inferior
Date: Thu, 27 Dec 2018 18:27:03 +0100

Hello!

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

> This patch set changes the way we compute continuous integration jobs:
> instead of letting Guile auto-compile all of Guix from its checkout,
> we first build Guix in the same way as ‘guix pull’, open an inferior
> to that Guix, and run the job evaluation code in that inferior.
>
> I think it’s cleaner and it should be faster and less resource-hungry
> than the current approach.
>
> The build-aux/hydra/gnu-system.scm file will now rely on the
> (guix channels) and (guix inferior) with the new ‘checkout->channel-instance’
> and ‘inferior-eval-with-store’ procedures, which means that Cuirass
> (and Hydra) will need to be using a recent Guix to be able to perform
> the evaluation.  Apart from that ‘gnu-system.scm’ is rather decoupled
> from the Guix APIs.

I’ve pushed the patches to the ‘wip-ci-inferior’ branch and created
these two jobsets:

  https://berlin.guixsd.org/jobset/wip-ci-inferior
  https://hydra.gnu.org/jobset/gnu/wip-ci-inferior

Evaluation with Cuirass on berlin went fine.

I suspect evaluation on hydra will fail though, because it’s probably
running an older Guix version; we’ll have to upgrade there.  Mark, would
you like to take a look?

Ludo’.

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