From 813ab5f3eb4b7794d9d26d9e62be881b2e5eae41 Mon Sep 17 00:00:00 2001
From: Kirill Likhodedov <Kirill.Likhodedov@jetbrains.com>
Date: Sat, 24 May 2014 17:11:59 +0400
Subject: [PATCH] [log] Don't schedule a refresh task if there is nothing to
 refresh

---
 .../src/com/intellij/vcs/log/data/VcsLogRefresherImpl.java    | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/platform/vcs-log/impl/src/com/intellij/vcs/log/data/VcsLogRefresherImpl.java b/platform/vcs-log/impl/src/com/intellij/vcs/log/data/VcsLogRefresherImpl.java
index c7845f878ab0..cdb9f80fe1a9 100644
--- a/platform/vcs-log/impl/src/com/intellij/vcs/log/data/VcsLogRefresherImpl.java
+++ b/platform/vcs-log/impl/src/com/intellij/vcs/log/data/VcsLogRefresherImpl.java
@@ -113,7 +113,9 @@ public class VcsLogRefresherImpl implements VcsLogRefresher {
 
   @Override
   public void refresh(@NotNull Collection<VirtualFile> rootsToRefresh) {
-    mySingleTaskController.request(new RefreshRequest(rootsToRefresh));
+    if (!rootsToRefresh.isEmpty()) {
+      mySingleTaskController.request(new RefreshRequest(rootsToRefresh));
+    }
   }
 
   @NotNull