From 577f261a7bbf86ec5b83ec76c94cb0adbfbb894d Mon Sep 17 00:00:00 2001
From: Kirill Likhodedov <kirill.likhodedov@jetbrains.com>
Date: Mon, 11 Apr 2011 16:29:24 +0400
Subject: [PATCH] HgFile: correctly calculate relative path for root.

---
 plugins/hg4idea/src/org/zmlx/hg4idea/HgFile.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/plugins/hg4idea/src/org/zmlx/hg4idea/HgFile.java b/plugins/hg4idea/src/org/zmlx/hg4idea/HgFile.java
index c1303b834d13..15a7d85718c8 100644
--- a/plugins/hg4idea/src/org/zmlx/hg4idea/HgFile.java
+++ b/plugins/hg4idea/src/org/zmlx/hg4idea/HgFile.java
@@ -75,6 +75,9 @@ public class HgFile {
   }
 
   private static String buildRelativePath(File anchestor, File descendant) {
+    if (anchestor.equals(descendant)) {
+      return ".";
+    }
     if (anchestor.equals(descendant.getParentFile())) {
       return descendant.getName();
     }