From 1898ad12cefd58234fc83af4e57e46754037f8ab Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Wed, 31 Oct 2018 18:23:18 +0100
Subject: [PATCH] Make sure we chdir back in case update dir is relative, refs
 #7519

---
 src/Composer/Package/Comparer/Comparer.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Composer/Package/Comparer/Comparer.php b/src/Composer/Package/Comparer/Comparer.php
index ed1931e82..c0ab98d9c 100644
--- a/src/Composer/Package/Comparer/Comparer.php
+++ b/src/Composer/Package/Comparer/Comparer.php
@@ -70,6 +70,7 @@ class Comparer
         if (!is_array($source)) {
             return;
         }
+        chdir($currentDirectory);
         chdir($this->update);
         $destination = $this->doTree('.', $destination);
         if (!is_array($destination)) {