From 3122cc31d778718d314554a5fe840cf60e5f2ee2 Mon Sep 17 00:00:00 2001
From: Kirill Likhodedov <Kirill.Likhodedov@jetbrains.com>
Date: Sun, 11 Mar 2012 17:02:08 +0400
Subject: [PATCH] Avoid duplicates in vcs roots

The project is often a module, i.e. its root is added as project base dir.
=> check for duplicates when adding a content root.
---
 .../intellij/openapi/vcs/impl/ModuleDefaultVcsRootPolicy.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/platform/lang-impl/src/com/intellij/openapi/vcs/impl/ModuleDefaultVcsRootPolicy.java b/platform/lang-impl/src/com/intellij/openapi/vcs/impl/ModuleDefaultVcsRootPolicy.java
index 3601d54c8485..429479debfc5 100644
--- a/platform/lang-impl/src/com/intellij/openapi/vcs/impl/ModuleDefaultVcsRootPolicy.java
+++ b/platform/lang-impl/src/com/intellij/openapi/vcs/impl/ModuleDefaultVcsRootPolicy.java
@@ -86,7 +86,7 @@ public class ModuleDefaultVcsRootPolicy extends DefaultVcsRootPolicy {
         // explicitly (we know it anyway)
         VcsDirectoryMapping mapping = mappingList.getMappingFor(file, module);
         final String mappingVcs = mapping != null ? mapping.getVcs() : null;
-        if (vcsName.equals(mappingVcs)) {
+        if (vcsName.equals(mappingVcs) && !result.contains(file)) {
           result.add(file);
         }
       }