From 64a967cc9c4563f8ebb8dbc34e9026f8e5e2d883 Mon Sep 17 00:00:00 2001
From: Ludovic Courtès <ludo@gnu.org>
Date: Sun, 3 Nov 2013 23:09:30 +0100
Subject: ui: Make '--version' output GCS-compliant.

* guix/ui.scm (show-version-and-exit): Display copyright year, license,
  and LACK OF WARRANTY.
---
 guix/ui.scm | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/guix/ui.scm b/guix/ui.scm
index ddc93f9db4..8a28574c3c 100644
--- a/guix/ui.scm
+++ b/guix/ui.scm
@@ -137,6 +137,11 @@ (define* (show-version-and-exit #:optional (command (car (command-line))))
   "Display version information for COMMAND and `(exit 0)'."
   (simple-format #t "~a (~a) ~a~%"
                  command %guix-package-name %guix-version)
+  (display (_ "Copyright (C) 2013 the Guix authors
+License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
+This is free software: you are free to change and redistribute it.
+There is NO WARRANTY, to the extent permitted by law.
+"))
   (exit 0))
 
 (define (show-bug-report-information)
-- 
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