Ticket #26751: 26751.1.patch

Gruntfile.js

@@ -43 +43 @@
                         version: {
                                 options: {
                                         processContent: function( src ) {
-                                                return src.replace( /^(\$wp_version.+?)-src';/m, '$1\';' );
+                                                return src.replace( /^\$wp_version = '(.+?)';/m, function( str, version ) {
+                                                    var date = new Date();
+
+                                                        function zero( number ) {
+                                                            if ( number < 10 ) {
+                                                                return '0' + number;
+                                                            }
+                                                            return '' + number;
+                                                        }
+
+                                                        version = version.replace( '-src', '' );
+
+                                                        if ( /[^0-9.]+/.test( version ) ) {
+                                                                // If the version is alpha|beta|RC
+                                                                version += '-' + date.getFullYear() + zero( date.getMonth() + 1 ) + zero( date.getDate() );
+                                                        }
+
+                                                        return "$wp_version = '" + version + "';";
+                                                });
                                         }
                                 },
                                 files: [