equals checks work, uses id now as well. Taken from:

http://blog.brunoscopelliti.com/angularjs-directive-to-check-that-passwords-match
the old one from SO does not seem to work any more

services/web/app/views/user/settings.jade

@@ -70,6 +70,7 @@ block content
 											.form-group
 												label(for='newPassword1') New Password
 												input.form-control(
+													id='newPassword1',
 													type='password',
 													name='newPassword1',
 													placeholder='*********',
@@ -85,7 +86,7 @@ block content
 													name='newPassword2',
 													placeholder='*********',
 													ng-model="newPassword2",
-													equals="{{newPassword1}}"
+													equals="newPassword1"
 												)
 												span.small.text-primary(ng-show="changePasswordForm.newPassword2.$invalid && changePasswordForm.newPassword2.$dirty")
 													| Doesn't match

services/web/public/coffee/directives/equals.coffee

@@ -2,14 +2,14 @@ define [
 	"base"
 ], (App) ->
 
-	App.directive 'equals', () ->
+	App.directive "equals", [->
 		return {
-			require: "ngModel",
-			link: (scope, element, attrs, ngModel) ->
-				scope.$watch attrs.ngModel, () -> validate()
-				attrs.$observe 'equals', () -> validate()
-
-				validate = () ->
-					equal = (attrs.equals == ngModel.$viewValue)
-					ngModel.$setValidity('areEqual', equal)
+			require: "ngModel"
+			link: (scope, elem, attrs, ctrl) ->
+				firstField = "#" + attrs.equals
+				elem.add(firstField).on "keyup", ->
+					scope.$apply ->
+						equal = elem.val() == $(firstField).val()
+						ctrl.$setValidity "areEqual", equal
 		}
+	]