Subject: Re: bug#40867: guix build --rounds=N is miss advising
From: Maxim Cournoyer <[email-masked]>
To: Jonathan Brielmaier <[email-masked]>
Cc: [email-masked]
Date: Fri, 09 Oct 2020 16:59:45 -0400
List-Id: <debbugs-submit.debbugs.gnu.org>

Hi,

Jonathan Brielmaier <[email-masked]> writes:

> The help section for `guix build --rounds=N` in 7.1.1 Common Build
> Options is miss advising.
>
> ```
> Note that, currently, the differing build results are not kept
> around, so you will have to manually investigate in case of an
> error—e.g., by stashing one of the build results with ‘guix archive
> --export’ (*note Invoking guix archive::), then rebuilding, and finally
> comparing the two results.
> ```
>
> Should rather endorse `guix build --rounds=N --keep-failed` as this
> option preservers all differing builds, not only one. This option was
> proposed by Marius Bakke in IRC.

Fixed with commit 5918cb5341; closing.

Thanks for the report!

Maxim