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authorLudovic Courtès <ludo@gnu.org>2019-10-18 22:37:20 +0200
committerLudovic Courtès <ludo@gnu.org>2019-10-18 23:22:25 +0200
commit6aeae5b90b9513d316141c0131fd43c76a200f63 (patch)
tree48f3b5a671a26aef6c78ba7eb903acbb3d18c523 /gnu/services
parent17a5cb45d444104e28cf7c42e15a5ed5e761a555 (diff)
downloadguix-6aeae5b90b9513d316141c0131fd43c76a200f63.tar
guix-6aeae5b90b9513d316141c0131fd43c76a200f63.tar.gz
herd: Define 'shepherd-message-port'.
* gnu/services/herd.scm (shepherd-message-port): New variable. (display-message): Use it instead of 'current-error-port'.
Diffstat (limited to 'gnu/services')
-rw-r--r--gnu/services/herd.scm7
1 files changed, 6 insertions, 1 deletions
diff --git a/gnu/services/herd.scm b/gnu/services/herd.scm
index 2207b2d34b..112a7dc104 100644
--- a/gnu/services/herd.scm
+++ b/gnu/services/herd.scm
@@ -25,6 +25,7 @@
#:use-module (srfi srfi-35)
#:use-module (ice-9 match)
#:export (%shepherd-socket-file
+ shepherd-message-port
shepherd-error?
service-not-found-error?
@@ -140,8 +141,12 @@ does not denote an error."
(#f ;not an error
#t)))
+(define shepherd-message-port
+ ;; Port where messages coming from shepherd are printed.
+ (make-parameter (current-error-port)))
+
(define (display-message message)
- (format (current-error-port) "shepherd: ~a~%" message))
+ (format (shepherd-message-port) "shepherd: ~a~%" message))
(define* (invoke-action service action arguments cont)
"Invoke ACTION on SERVICE with ARGUMENTS. On success, call CONT with the