From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marius Bakke <mbakke@fastmail.com>
Subject: Re: Why are these derivations different?
Date: Sat, 08 Jun 2019 22:45:07 +0200
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References: <alpine.DEB.2.20.1906081023140.5164@marsh.hcoop.net>
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To: Jack Hill <jackhill@jackhill.us>, help-guix@gnu.org

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Jack Hill <jackhill@jackhill.us> writes:

> Hi Guix,
>
> I'm trying to copy the store items for ungoogled-chromium from one of my=
=20
> hosts that has many computational resources to another one that does not,=
=20
> so that I do not have to build ungoogled-chromium on the less powerful=20
> host.
>
> However, even after copying the store items using guix archive --export |=
=20
> guix archive --import, the less powerful host wants to build=20
> ungoogled-chromium because the derivations differ (see attachments).

I suspect this has to do with grafts.  Guix is missing a substitute for
the 'ungrafted' package and fails to realize the grafted derivation.

Exporting with --no-grafts should do the trick.

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