From 33db6ec71bd2efc86b73c987878ddbd309d5c627 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=96=D0=B0=D0=BA=D0=BE=D0=B2=20=D0=92=D0=B8=D1=82=D0=B0?=
 =?UTF-8?q?=D0=BB=D0=B8=D0=B9?= <vitalii.a.zhakov@domru.ru>
Date: Fri, 17 Jan 2020 10:58:52 +0500
Subject: [PATCH] touch only if update

---
 src/Composer/Installer.php | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/Composer/Installer.php b/src/Composer/Installer.php
index bf0523356..270c75544 100644
--- a/src/Composer/Installer.php
+++ b/src/Composer/Installer.php
@@ -313,6 +313,15 @@ class Installer
             }
         }
 
+        if ($this->update) {
+            $vendorDir = $this->config->get('vendor-dir');
+            if (is_dir($vendorDir)) {
+                // suppress errors as this fails sometimes on OSX for no apparent reason
+                // see https://github.com/composer/composer/issues/4070#issuecomment-129792748
+                @touch($vendorDir);
+            }
+        }
+
         if ($this->runScripts) {
             // dispatch post event
             $eventName = $this->update ? ScriptEvents::POST_UPDATE_CMD : ScriptEvents::POST_INSTALL_CMD;