From a7ed1f97dfed28ad65550c4148994b83d06dc8c6 Mon Sep 17 00:00:00 2001
From: Baris Soner Usakli <barisusakli@gmail.com>
Date: Tue, 16 Jul 2013 14:44:18 -0400
Subject: [PATCH] delete old email key before setting new one when someone
 changes their email

---
 src/user.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/user.js b/src/user.js
index 843a099f09..f6d5f0c789 100644
--- a/src/user.js
+++ b/src/user.js
@@ -230,7 +230,10 @@ var utils = require('./../public/src/utils.js'),
 				if(data[key] !== undefined) {
 					if(key === 'email') {
 						User.setUserField(uid, 'gravatarpicture', User.createGravatarURLFromEmail(data[key]));
-						RDB.set('email:' + data['email'] +':uid', uid);
+						user.getUserField(uid, 'email', function(email) {
+							RDB.del('email:' + email + ':uid'); 
+							RDB.set('email:' + data['email'] + ':uid', uid);
+						});
 					} else if(key === 'signature') {
 						data[key] = utils.strip_tags(data[key]);
 					}