03/03: ui: Disable Guile deprecation warnings by default.

[Ludovic Courtès]

civodul pushed a commit to branch master
in repository guix.

commit ce92d269fea0a2bfac0ac20414f77127d2f07500
Author: Ludovic Courtès <address@hidden>
Date:   Tue May 16 14:31:37 2017 +0200

    ui: Disable Guile deprecation warnings by default.
    
    * guix/ui.scm (initialize-guix): Call (debug-disable 'warn-deprecated)
    when "GUILE_WARN_DEPRECATED" is not set.
---
 guix/ui.scm | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/guix/ui.scm b/guix/ui.scm
index edd04da..9e0fa26 100644
--- a/guix/ui.scm
+++ b/guix/ui.scm
@@ -302,6 +302,13 @@ exiting.  ARGS is the list of arguments received by the 
'throw' handler."
 
 (define (initialize-guix)
   "Perform the usual initialization for stand-alone Guix commands."
+  ;; By default don't annoy users with deprecation warnings.  In practice,
+  ;; 'define-deprecated' in (ice-9 deprecated) arranges so that those warnings
+  ;; are emitted at expansion-time only, but there are cases where they could
+  ;; slip through, for instance when interpreting code.
+  (unless (getenv "GUILE_WARN_DEPRECATED")
+    (debug-disable 'warn-deprecated))
+
   (install-locale)
   (textdomain %gettext-domain)