From 9df65ee4c842c1531560426df2a0d3f0a6b826e3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Haso=C5=88?= <martin.hason@gmail.com>
Date: Thu, 17 Oct 2013 11:10:16 +0200
Subject: [PATCH] Fixed filesystem issue on windows

---
 src/Composer/Util/Filesystem.php | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/Composer/Util/Filesystem.php b/src/Composer/Util/Filesystem.php
index 58d807f40..fe7b90bbd 100644
--- a/src/Composer/Util/Filesystem.php
+++ b/src/Composer/Util/Filesystem.php
@@ -223,11 +223,11 @@ class Filesystem
         }
 
         $commonPath = $to;
-        while (strpos($from.'/', $commonPath.'/') !== 0 && '/' !== $commonPath && !preg_match('{^[a-z]:/?$}i', $commonPath)) {
+        while (strpos($from.'/', $commonPath.'/') !== 0 && '/' !== $commonPath && !preg_match('{^[a-z]:/?$}i', $commonPath) && '.' !== $commonPath) {
             $commonPath = dirname($commonPath);
         }
 
-        if (0 !== strpos($from, $commonPath) || '/' === $commonPath) {
+        if (0 !== strpos($from, $commonPath) || '/' === $commonPath || '.' === $commonPath) {
             return $to;
         }
 
@@ -261,11 +261,11 @@ class Filesystem
         }
 
         $commonPath = $to;
-        while (strpos($from.'/', $commonPath.'/') !== 0 && '/' !== $commonPath && !preg_match('{^[a-z]:/?$}i', $commonPath)) {
+        while (strpos($from.'/', $commonPath.'/') !== 0 && '/' !== $commonPath && !preg_match('{^[a-z]:/?$}i', $commonPath) && '.' !== $commonPath) {
             $commonPath = dirname($commonPath);
         }
 
-        if (0 !== strpos($from, $commonPath) || '/' === $commonPath) {
+        if (0 !== strpos($from, $commonPath) || '/' === $commonPath || '.' === $commonPath) {
             return var_export($to, true);
         }