Merge pull request #4138 from sequelize/fix-update-set-options

update should pass options to set

lib/instance.js

@@ -770,12 +770,15 @@ Instance.prototype.hookValidate = function(options) {
 Instance.prototype.update = function(values, options) {
   var changedBefore = this.changed() || []
     , sideEffects
-    , fields;
+    , fields
+    , setOptions;
 
   options = options || {};
   if (Array.isArray(options)) options = {fields: options};
 
-  this.set(values, {attributes: options.fields});
+  setOptions = this.$Model.$optClone(options);
+  setOptions.attributes = options.fields;
+  this.set(values, setOptions);
 
   // Now we need to figure out which fields were actually affected by the setter.
   sideEffects = _.without.apply(this, [this.changed() || []].concat(changedBefore));

lib/model.js

@@ -285,7 +285,7 @@ var conformOptions = function(options, self) {
   });
 };
 
-var optClone = Model.prototype.__optClone = function(options) {
+var optClone = Model.prototype.__optClone = Model.prototype.$optClone = function(options) {
   options = options || {};
   return Utils.cloneDeep(options, function(elem) {
     // The InstanceFactories used for include are pass by ref, so don't clone them.