vendor/ember/development/handlebars-runtime.js in ember-rails-0.9.2 vs vendor/ember/development/handlebars-runtime.js in ember-rails-0.10.0

@@ -1,14 +1,44 @@
+/*
+
+Copyright (C) 2011 by Yehuda Katz
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
+*/
+
 // lib/handlebars/base.js
 
 /*jshint eqnull:true*/
 this.Handlebars = {};
 
 (function(Handlebars) {
 
-Handlebars.VERSION = "1.0.rc.2";
+Handlebars.VERSION = "1.0.0-rc.3";
+Handlebars.COMPILER_REVISION = 2;
 
+Handlebars.REVISION_CHANGES = {
+  1: '<= 1.0.rc.2', // 1.0.rc.2 is actually rev2 but doesn't report it
+  2: '>= 1.0.0-rc.3'
+};
+
 Handlebars.helpers  = {};
 Handlebars.partials = {};
 
 Handlebars.registerHelper = function(name, fn, inverse) {
   if(inverse) { fn.not = inverse; }
@@ -223,15 +253,35 @@
           programWrapper = this.programs[i] = Handlebars.VM.program(fn);
           return programWrapper;
         }
       },
       programWithDepth: Handlebars.VM.programWithDepth,
-      noop: Handlebars.VM.noop
+      noop: Handlebars.VM.noop,
+      compilerInfo: null
     };
 
     return function(context, options) {
       options = options || {};
-      return templateSpec.call(container, Handlebars, context, options.helpers, options.partials, options.data);
+      var result = templateSpec.call(container, Handlebars, context, options.helpers, options.partials, options.data);
+
+      var compilerInfo = container.compilerInfo || [],
+          compilerRevision = compilerInfo[0] || 1,
+          currentRevision = Handlebars.COMPILER_REVISION;
+
+      if (compilerRevision !== currentRevision) {
+        if (compilerRevision < currentRevision) {
+          var runtimeVersions = Handlebars.REVISION_CHANGES[currentRevision],
+              compilerVersions = Handlebars.REVISION_CHANGES[compilerRevision];
+          throw "Template was precompiled with an older version of Handlebars than the current runtime. "+
+                "Please update your precompiler to a newer version ("+runtimeVersions+") or downgrade your runtime to an older version ("+compilerVersions+").";
+        } else {
+          // Use the embedded version info since the runtime doesn't know about this revision yet
+          throw "Template was precompiled with a newer version of Handlebars than the current runtime. "+
+                "Please update your runtime to a newer version ("+compilerInfo[1]+").";
+        }
+      }
+
+      return result;
     };
   },
 
   programWithDepth: function(fn, data, $depth) {
     var args = Array.prototype.slice.call(arguments, 2);