if ($process->run() == 0) {
$this->version = trim($process->getOutput());
} else {
+--- composer-1.0.0-14.alpha11/bin/compile~ 2015-11-25 18:30:24.000000000 +0200
++++ composer-1.0.0-14.alpha11/bin/compile 2015-11-25 18:32:33.718541181 +0200
+@@ -3,11 +3,7 @@
+
+ $cwd = getcwd();
+ chdir(__DIR__.'/../');
+-$ts = rtrim(shell_exec('git log -n1 --pretty=%ct HEAD'));
+-if (!is_numeric($ts)) {
+- echo 'Could not detect date using "git log -n1 --pretty=%ct HEAD"'.PHP_EOL;
+- exit(1);
+-}
++$ts = filemtime(__FILE__);
+ // Install with the current version to force it having the right ClassLoader version
+ // Install without dev packages to clean up the included classmap from phpunit classes
+ shell_exec('php bin/composer config autoloader-suffix ComposerPhar' . $ts);