Subject: [PATCH 2/2] doc: give example of when to use describe in .guix-channel file

From: Karl Hallsby <[email-masked]>
Date: Wed, 28 Dec 2022 17:40:59 -0600

---
 doc/guix.texi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/doc/guix.texi b/doc/guix.texi
index 7c02e2d392..cb9d1d685c 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -5620,6 +5620,11 @@ The modules must be @b{underneath} the specified directory, as the
 defined as @code{(define-module (gnu packages fun))} must be located at
 @code{base/gnu/packages/fun.scm}.
 
+Doing this allows for only parts of a repository to be used as a
+channel, as Guix looks for valid Guile modules when pulling. For
+instance, by default @command{guix deploy} machine configuration files
+are not valid Guile modules, making @command{guix pull} fail.
+
 @node Declaring Channel Dependencies
 @section Declaring Channel Dependencies
 
-- 
2.37.1