From 47d196f37faf6a35786022b4353447560beee177 Mon Sep 17 00:00:00 2001
From: vlakoff <vlakoff@gmail.com>
Date: Sun, 27 Mar 2016 00:25:17 +0100
Subject: [PATCH] Fix missing argument for getLastBackupVersion()

---
 src/Composer/Command/SelfUpdateCommand.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Composer/Command/SelfUpdateCommand.php b/src/Composer/Command/SelfUpdateCommand.php
index 354824881..91fd10b68 100644
--- a/src/Composer/Command/SelfUpdateCommand.php
+++ b/src/Composer/Command/SelfUpdateCommand.php
@@ -107,7 +107,7 @@ EOT
 
             // remove all backups except for the most recent, if any
             if ($input->getOption('clean-backups')) {
-                $this->cleanBackups($rollbackDir, $this->getLastBackupVersion());
+                $this->cleanBackups($rollbackDir, $this->getLastBackupVersion($rollbackDir));
             }
 
             return 0;