From a19695cdcbcc20b96db86749fe26272a3d6706c8 Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Sun, 4 Dec 2011 18:44:40 +0100
Subject: [PATCH] Tentative fix for *nix

---
 src/Composer/Downloader/Util/Filesystem.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/Composer/Downloader/Util/Filesystem.php b/src/Composer/Downloader/Util/Filesystem.php
index bd8a346af..e20296b51 100644
--- a/src/Composer/Downloader/Util/Filesystem.php
+++ b/src/Composer/Downloader/Util/Filesystem.php
@@ -61,12 +61,12 @@ class Filesystem
         $from = rtrim(strtr($from, '\\', '/'), '/');
         $to = rtrim(strtr($to, '\\', '/'), '/');
 
-        $commonPath = dirname($to);
-        while (strpos($from, $commonPath) !== 0 && '/' !== $commonPath && !preg_match('{^[a-z]:/$}i', $commonPath)) {
+        $commonPath = strtr(dirname($to), '\\', '/');
+        while (strpos($from, $commonPath) !== 0 && '/' !== $commonPath && !preg_match('{^[a-z]:/?$}i', $commonPath) && '.' !== $commonPath) {
             $commonPath = strtr(dirname($commonPath), '\\', '/');
         }
 
-        if (0 !== strpos($from, $commonPath) || '/' === $commonPath) {
+        if (0 !== strpos($from, $commonPath) || '/' === $commonPath || '.' === $commonPath) {
             return $to;
         }