GNU bug report logs - #40867
guix build --rounds=N is miss advising

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#40867: closed (guix build --rounds=N is miss advising)
Date: Fri, 09 Oct 2020 21:00:02 +0000

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Your message dated Fri, 09 Oct 2020 16:59:45 -0400
with message-id <87r1q7qfni.fsf <at> gmail.com>
and subject line Re: bug#40867: guix build --rounds=N is miss advising
has caused the debbugs.gnu.org bug report #40867,
regarding guix build --rounds=N is miss advising
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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From: Jonathan Brielmaier <jonathan.brielmaier <at> web.de>
To: bug-guix <at> gnu.org
Subject: guix build --rounds=N is miss advising
Date: Sun, 26 Apr 2020 14:30:07 +0200

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.

[Message part 3 (message/rfc822, inline)]

From: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
To: Jonathan Brielmaier <jonathan.brielmaier <at> web.de>
Cc: 40867-done <at> debbugs.gnu.org
Subject: Re: bug#40867: guix build --rounds=N is miss advising
Date: Fri, 09 Oct 2020 16:59:45 -0400

Hi,

Jonathan Brielmaier <jonathan.brielmaier <at> web.de> 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

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