From mboxrd@z Thu Jan  1 00:00:00 1970
From: Konrad Hinsen <konrad.hinsen@fastmail.net>
Subject: Re: Emacs not seeing newer packages after pull
Date: Tue, 31 Mar 2020 20:25:02 +0200
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To: Ivan Vilata i Balaguer <ivan@selidor.net>, help-guix@gnu.org

Konrad Hinsen <konrad.hinsen@fastmail.net> writes:

> No, and yes. Meaning that I most definitely didn't expect it, but I
> confirm your observations. And I am running Guix System, so it's not
> related to your Guix-under-Debian installation.

I did some experiments in the Guix REPL created by emacs-guix, but
I don't understand what's happening. Here I am exploring
emacs-caps-lock, a package that I got with today's pull:

scheme@(emacs-guix)> (%search-load-path "gnu/packages/emacs-xyz")
$4 = "/home/hinsen/.config/guix/current/share/guile/site/3.0/gnu/packages/emacs-xyz.scm"

Looks OK. Let's look at the module and its filename:

scheme@(emacs-guix)> (resolve-module '(gnu packages emacs-xyz))
$5 = #<directory (gnu packages emacs-xyz) 7fb01ffb3280>
scheme@(emacs-guix)> (module-filename (resolve-module '(gnu packages emacs-xyz)))
$6 = "gnu/packages/emacs-xyz.scm"

A relative filename, but relative to what? Why isn't this an absolute
one? As for the package:

scheme@(emacs-guix)> (module-variable (resolve-module '(gnu packages emacs-xyz)) 'emacs-caps-lock)
$7 = #f

It's not in there (but it is in the source code). And now for the real
surprise:

scheme@(emacs-guix)> (reload-module (resolve-module '(gnu packages emacs-xyz)))
$8 = #<directory (gnu packages emacs-xyz) 7fb01ffb3280>
scheme@(emacs-guix)> (module-filename (resolve-module '(gnu packages emacs-xyz)))
$9 = "/home/hinsen/.config/guix/current/share/guile/site/3.0/gnu/packages/emacs-xyz.scm"
scheme@(emacs-guix)> (module-variable (resolve-module '(gnu packages emacs-xyz)) 'emacs-caps-lock)
$10 = #<variable 7fb010e61210 value: #<package emacs-caps-lock@1.0 /home/hinsen/.config/guix/current/share/guile/site/3.0/gnu/packages/emacs-xyz.scm:1745 7fb01398ef20>>

What the heck has Guile been loading the first time???

Cheers,
  Konrad