bug #579 Check if autoload.php exists before trying to update it (nicolas-grekas)

This PR was merged into the 1.5-dev branch.

Discussion
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Check if autoload.php exists before trying to update it

Close #578

Commits
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cde1535 Check if autoload.php exists before trying to update it

Author: fabpot

src/Flex.php

@@ -674,6 +674,10 @@ private function updateAutoloadFile()
 
         $autoloadFile = $this->config->get('vendor-dir').'/autoload.php';
 
+        if (!file_exists($autoloadFile)) {
+            return;
+        }
+
         $code = file_get_contents($autoloadFile);
         $code = substr($code, \strlen("<?php\n"));