From 17f3c12bf64a79d619c734b0dc9a2c5156067eca Mon Sep 17 00:00:00 2001
From: Gary Katsevman <git@gkatsev.com>
Date: Wed, 23 Oct 2013 19:17:29 -0400
Subject: [PATCH] make sure that unsetting using set with an object works

---
 backbone-nested.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/backbone-nested.js b/backbone-nested.js
index 1ee5d72..bfc9c26 100644
--- a/backbone-nested.js
+++ b/backbone-nested.js
@@ -75,13 +75,17 @@
         unsetObj[key] = null;
         Backbone.NestedModel.__super__.set.call(this, unsetObj, opts);
       } else {
+        var unsetObj = newAttrs;
+
         // normal set(), or an unset of nested attribute
         if (opts.unset && attrPath){
           // make sure Backbone.Model won't unset the top-level attribute
           opts = _.extend({}, opts);
           delete opts.unset;
+        } else if (opts.unset && _.isObject(key)) {
+          unsetObj = key;
         }
-        Backbone.NestedModel.__super__.set.call(this, newAttrs, opts);
+        Backbone.NestedModel.__super__.set.call(this, unsetObj, opts);
       }
 
       this._runDelayedTriggers();