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-rw-r--r--guix/channels.scm16
1 files changed, 16 insertions, 0 deletions
diff --git a/guix/channels.scm b/guix/channels.scm
index eb56c821e5..e588d86b4b 100644
--- a/guix/channels.scm
+++ b/guix/channels.scm
@@ -28,10 +28,15 @@
#:use-module (guix derivations)
#:use-module (guix store)
#:use-module (guix i18n)
+ #:use-module ((guix utils)
+ #:select (source-properties->location
+ &error-location))
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-2)
#:use-module (srfi srfi-9)
#:use-module (srfi srfi-11)
+ #:use-module (srfi srfi-34)
+ #:use-module (srfi srfi-35)
#:autoload (guix self) (whole-package make-config.scm)
#:autoload (guix inferior) (gexp->derivation-in-inferior) ;FIXME: circular dep
#:use-module (ice-9 match)
@@ -345,6 +350,17 @@ INSTANCES."
(build-channel-instance instance core deps)))
instance))
+ (unless core-instance
+ (let ((loc (and=> (any (compose channel-location channel-instance-channel)
+ instances)
+ source-properties->location)))
+ (raise (apply make-compound-condition
+ (condition
+ (&message (message "'guix' channel is lacking")))
+ (if loc
+ (list (condition (&error-location (location loc))))
+ '())))))
+
(mapm %store-monad instance->derivation instances))
(define (whole-package-for-legacy name modules)