From 667d7db0914316067f5309acea75829a349bca20 Mon Sep 17 00:00:00 2001
From: peter <peter@jetbrains.com>
Date: Thu, 24 Dec 2015 20:55:47 +0100
Subject: [PATCH] MvcModuleStructureSynchronizer: restart bg process only once
 (IDEA-149481)

---
 .../mvc/MvcModuleStructureSynchronizer.java    | 18 +++++++-----------
 1 file changed, 7 insertions(+), 11 deletions(-)

diff --git a/plugins/groovy/src/org/jetbrains/plugins/groovy/mvc/MvcModuleStructureSynchronizer.java b/plugins/groovy/src/org/jetbrains/plugins/groovy/mvc/MvcModuleStructureSynchronizer.java
index c6437234b661..800c22358742 100644
--- a/plugins/groovy/src/org/jetbrains/plugins/groovy/mvc/MvcModuleStructureSynchronizer.java
+++ b/plugins/groovy/src/org/jetbrains/plugins/groovy/mvc/MvcModuleStructureSynchronizer.java
@@ -276,22 +276,18 @@ public class MvcModuleStructureSynchronizer extends AbstractProjectComponent {
 
       @Nullable
       @Override
-      public Continuation performInReadAction(@NotNull ProgressIndicator indicator) throws ProcessCanceledException {
-        if (!isUpToDate()) {
-          scheduleRunActions();
-          return null;
-        }
-
-        final Set<Trinity<Module, SyncAction, MvcFramework>> actions = computeRawActions(orderSnapshot);
+      public Continuation performInReadAction(@NotNull final ProgressIndicator indicator) throws ProcessCanceledException {
+        final Set<Trinity<Module, SyncAction, MvcFramework>> actions = isUpToDate() ? computeRawActions(orderSnapshot)
+                                                                                    : Collections.<Trinity<Module,SyncAction,MvcFramework>>emptySet();
         return new Continuation(new Runnable() {
           @Override
           public void run() {
-            if (!isUpToDate()) {
-              scheduleRunActions();
-            }
-            else {
+            if (isUpToDate()) {
               runActions(actions);
             }
+            else if (!indicator.isCanceled()) {
+              scheduleRunActions();
+            }
           }
         }, ModalityState.NON_MODAL);
       }