From 8bfb4498cb4b69b5a0dedd658559ccbbc3d8a49c Mon Sep 17 00:00:00 2001
From: Avital Oliver <avital@thewe.net>
Date: Thu, 16 Aug 2012 11:44:50 -0700
Subject: [PATCH] Added comment explaining the use of the mongo positional
 operator

---
 packages/accounts-passwords/passwords_server.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/packages/accounts-passwords/passwords_server.js b/packages/accounts-passwords/passwords_server.js
index 96e06f1ca8..9340de71f4 100644
--- a/packages/accounts-passwords/passwords_server.js
+++ b/packages/accounts-passwords/passwords_server.js
@@ -181,6 +181,10 @@
         throw new Meteor.Error(403, "Validate email link expired");
       var userId = tokenDocument.userId;
       var email = tokenDocument.email;
+
+      // update the validated flag on the index in the emails array
+      // matching email (see
+      // http://www.mongodb.org/display/DOCS/Updating/#Updating-The%24positionaloperator)
       Meteor.users.update({_id: userId, "emails.email": email},
                           {$set: {"emails.$.validated": true}});
       Meteor.accounts._emailValidationTokens.remove({token: token});