From mboxrd@z Thu Jan  1 00:00:00 1970
From: Maxim Cournoyer <maxim.cournoyer@gmail.com>
Subject: Re: emacs-guix error
Date: Sun, 27 Jan 2019 20:49:04 -0500
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References: <p4cs9j33scb20btjt6uiajj4.1548639014638@email.lge.com>
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	(brettg@posteo.net's message of "Sun, 27 Jan 2019 19:30:34 -0600")
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To: "brettg@posteo.net" <brettg@posteo.net>
Cc: Alex Kost <alezost@gmail.com>, help-guix <help-guix@gnu.org>

Hello!

[...]

> Are you using Guix from a git checkout?  In that case you=E2=80=99ll need=
 to
> recompile as there has been an ABI change.

My normal Guix run from guix pull, but I do have a Guix checkout that I
use with the pre-inst-env wrapper.

I have this set in my ~/.emacs.

--8<---------------cut here---------------start------------->8---
(setq guix-directory "~/src/guix")
--8<---------------cut here---------------end--------------->8---

IIUC, that doesn't cause Emacs-Guix to use that Guix, only locate
package definition.

In any case, running make clean-go and rebuilding my guix source tree
didn't make the issue go away, but I got a different error when using
C-c . b (guix-devel-build-package-definition); it was failing to find
the module (guix build utils), which led me to the bug 28144.

The suggested workaround by Ludovic to delete the file guix/profiles.go
made the problem go away.

So this might be related.

HTH,

Maxim