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-rw-r--r--guix/channels.scm8
1 files changed, 6 insertions, 2 deletions
diff --git a/guix/channels.scm b/guix/channels.scm
index 826ee729ad..f0261dc2da 100644
--- a/guix/channels.scm
+++ b/guix/channels.scm
@@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2018, 2019 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2018, 2019, 2020 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2018 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
;;;
@@ -36,7 +36,8 @@
#:use-module (guix i18n)
#:use-module ((guix utils)
#:select (source-properties->location
- &error-location))
+ &error-location
+ &fix-hint))
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-2)
#:use-module (srfi srfi-9)
@@ -457,6 +458,9 @@ INSTANCES."
(raise (apply make-compound-condition
(condition
(&message (message "'guix' channel is lacking")))
+ (condition
+ (&fix-hint (hint (G_ "Make sure your list of channels
+contains one channel named @code{guix} providing the core of Guix."))))
(if loc
(list (condition (&error-location (location loc))))
'())))))