From dcf4047c3d3f452e1fd94e50ebb56558b22b021f Mon Sep 17 00:00:00 2001
From: ueno <ueno>
Date: Sun, 1 Jun 2003 20:46:47 +0000
Subject: [PATCH] * riece-user.el (riece-rename-user): Don't modify entry when
 old-name == new-name.

---
 lisp/ChangeLog     |    3 +++
 lisp/riece-user.el |   18 ++++++++++--------
 2 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index b1af093..678c6f3 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,5 +1,8 @@
 2003-06-01  Daiki Ueno  <ueno@unixuser.org>
 
+	* riece-user.el (riece-rename-user): Don't modify entry when
+	old-name == new-name.
+
 	* riece-display.el (riece-configure-windows): Use window-buffer
 	instead of current-buffer.
 
diff --git a/lisp/riece-user.el b/lisp/riece-user.el
index 28d061c..f74f770 100644
--- a/lisp/riece-user.el
+++ b/lisp/riece-user.el
@@ -48,14 +48,16 @@
 
 (defun riece-rename-user (old-name new-name)
   (riece-with-server-buffer
-   (let ((symbol (intern-soft (downcase (riece-identity-prefix old-name))
-			      riece-obarray)))
-     (when symbol
-       (set (intern (downcase (riece-identity-prefix new-name))
-		    riece-obarray)
-	    (symbol-value symbol))
-       (makunbound symbol)
-       (unintern (symbol-name symbol) riece-obarray)))))
+   (unless (equal (downcase (riece-identity-prefix old-name))
+		  (downcase (riece-identity-prefix new-name)))
+     (let ((symbol (intern-soft (downcase (riece-identity-prefix old-name))
+				riece-obarray)))
+       (when symbol
+	 (set (intern (downcase (riece-identity-prefix new-name))
+		      riece-obarray)
+	      (symbol-value symbol))
+	 (makunbound symbol)
+	 (unintern (symbol-name symbol) riece-obarray))))))
 
 (defun riece-make-user (&optional channels user-at-host modes away)
   "Make an instance of user object.
-- 
1.7.10.4