provide additional command 'apply' for Toolbox. It's similar to 'install', but applies the patch silently and without ui

updater/src/com/intellij/updater/Runner.java

@@ -1,3 +1,18 @@
+/*
+ * Copyright 2000-2016 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package com.intellij.updater;
 
 import org.apache.log4j.FileAppender;
@@ -65,12 +80,16 @@ public class Runner {
 
       create(spec);
     }
-    else if (args.length >= 2 && "install".equals(args[0])) {
+    else if (args.length >= 2 && ("install".equals(args[0]) || "apply".equals(args[0]))) {
       String destFolder = args[1];
       initLogger();
       logger.info("destFolder: " + destFolder);
 
-      install(jarFile, destFolder);
+      if ("install".equals(args[0])) {
+        install(jarFile, destFolder);
+      } else {
+        apply(jarFile, destFolder);
+      }
     }
     else {
       printUsage();
@@ -248,6 +267,11 @@ public class Runner {
                        });
   }
 
+  private static void apply(final String jarFile, final String destFolder) throws Exception {
+     logger.info("Applying patch to the " + destFolder);
+     doInstall(jarFile, new ConsoleUpdaterUI(), destFolder);
+  }
+
   private static boolean doInstall(String jarFile, UpdaterUI ui, String destFolder) throws OperationCancelledException {
     try {
       try {