From a979cc78ed141855a76b7f196d24205c41107bbc Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Tue, 11 Aug 2015 11:20:15 +0100
Subject: [PATCH] Suppress warnings on touch() failures of the vendor dir, refs
 #4070

---
 src/Composer/Installer.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Composer/Installer.php b/src/Composer/Installer.php
index 1b329c2bb..a3eb66301 100644
--- a/src/Composer/Installer.php
+++ b/src/Composer/Installer.php
@@ -344,7 +344,9 @@ class Installer
 
             $vendorDir = $this->config->get('vendor-dir');
             if (is_dir($vendorDir)) {
-                touch($vendorDir);
+                // suppress errors as this fails sometimes on OSX for no apparent reason
+                // see https://github.com/composer/composer/issues/4070#issuecomment-129792748
+                @touch($vendorDir);
             }
         }