GNU bug report logs - #41785
[PATCH] DRAFT services: Add 'hurd-in-vm service-type'.

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From: Ludovic Courtès <ludo <at> gnu.org>
To: Mathieu Othacehe <othacehe <at> gnu.org>
Cc: 41785 <at> debbugs.gnu.org, "Jan \(janneke\) Nieuwenhuizen" <janneke <at> gnu.org>
Subject: [bug#41785] [PATCH] DRAFT services: Add 'hurd-in-vm service-type'.
Date: Fri, 12 Jun 2020 17:39:20 +0200

Hi Mathieu!

Mathieu Othacehe <othacehe <at> gnu.org> skribis:

>> So, assuming ‘find-image’ is non-monadic, the code above becomes
>> something like:
>>
>>   (system-image
>>     (image (inherit base-image)
>>            (size image-size)
>>            (operating-system
>>             (with-parameters ((%current-target-system "i586-pc-gnu"))
>>               os))))
>
> I would prefer 'target' to be part of the image itself, as I proposed
> here: https://lists.gnu.org/archive/html/guix-devel/2020-05/msg00417.html.
>
> There's no way for now, that the image is built without cross-compiling
> for "i586-pc-gnu", so I think it could be part of the "image" record
> itself.
>
> WDYT?

Yes, why not, a ‘target’ field in <image> sounds fine.

In general, I think lowerable objects should not be parameterized by
target/system.  However, <image> is an exception because it needs to
access the operating system record, and still use the desired target, if
any.

Thanks,
Ludo’.

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