From 539448df98e1fa79fcfa88546945bce0be900ad3 Mon Sep 17 00:00:00 2001
From: Roman Shevchenko <roman.shevchenko@jetbrains.com>
Date: Mon, 8 Jun 2015 11:14:00 +0300
Subject: [PATCH] platform: log updated stub indices

---
 .../com/intellij/psi/stubs/StubIndexImpl.java | 20 +++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/platform/lang-impl/src/com/intellij/psi/stubs/StubIndexImpl.java b/platform/lang-impl/src/com/intellij/psi/stubs/StubIndexImpl.java
index 30564a951551..6e0d5fd0a1ea 100644
--- a/platform/lang-impl/src/com/intellij/psi/stubs/StubIndexImpl.java
+++ b/platform/lang-impl/src/com/intellij/psi/stubs/StubIndexImpl.java
@@ -79,27 +79,27 @@ public class StubIndexImpl extends StubIndex implements ApplicationComponent, Pe
   public StubIndexImpl(FileBasedIndex fileBasedIndex /* need this to ensure initialization order*/ ) throws IOException {
     final boolean forceClean = Boolean.TRUE == ourForcedClean.getAndSet(Boolean.FALSE);
 
-    final StubIndexExtension<?, ?>[] extensions = Extensions.getExtensions(StubIndexExtension.EP_NAME);
-    boolean needRebuild = false;
+    StubIndexExtension<?, ?>[] extensions = Extensions.getExtensions(StubIndexExtension.EP_NAME);
+    StringBuilder updated = new StringBuilder();
     for (StubIndexExtension extension : extensions) {
-      //noinspection unchecked
-      needRebuild |= registerIndexer(extension, forceClean);
+      @SuppressWarnings("unchecked") boolean rebuildRequested = registerIndexer(extension, forceClean);
+      if (rebuildRequested) {
+        updated.append(extension).append(' ');
+      }
     }
-    if (needRebuild) {
+    if (updated.length() > 0) {
       if (ApplicationManager.getApplication().isUnitTestMode()) {
         requestRebuild();
       }
       else {
-        final Throwable e = new Throwable();
+        final Throwable e = new Throwable(updated.toString());
         // avoid direct forceRebuild as it produces dependency cycle (IDEA-105485)
-        ApplicationManager.getApplication().invokeLater(
-          new Runnable() {
+        ApplicationManager.getApplication().invokeLater(new Runnable() {
           @Override
           public void run() {
             forceRebuild(e);
           }
-        }, ModalityState.NON_MODAL
-        );
+        }, ModalityState.NON_MODAL);
       }
     }
     dropUnregisteredIndices();