01/03: services: shepherd: Clarify error message about missing service.

[Ludovic Courtès]

civodul pushed a commit to branch master
in repository guix.

commit 2c2ec261a8d3c37e5147038f47ad24c57cde4134
Author: Ludovic Courtès <address@hidden>
Date:   Mon Jul 18 15:22:37 2016 +0200

    services: shepherd: Clarify error message about missing service.
    
    Suggested by Tobias Geerinckx-Rice <address@hidden>.
    
    * gnu/services/shepherd.scm 
(assert-valid-graph)[assert-satisfied-requirements]:
    Clarify error message.
---
 gnu/services/shepherd.scm |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gnu/services/shepherd.scm b/gnu/services/shepherd.scm
index f35a6bf..a14f515 100644
--- a/gnu/services/shepherd.scm
+++ b/gnu/services/shepherd.scm
@@ -175,7 +175,7 @@ assertion failure."
                           (&message
                            (message
                             (format #f (_ "service '~a' requires '~a', \
-which is undefined")
+which is not provided by any service")
                                     (match (shepherd-service-provision service)
                                       ((head . _) head)
                                       (_          service))