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diff --git a/vendor/psy/psysh/src/Psy/Command/PsyVersionCommand.php b/vendor/psy/psysh/src/Psy/Command/PsyVersionCommand.php
new file mode 100644
index 000000000..c245e0c5f
--- /dev/null
+++ b/vendor/psy/psysh/src/Psy/Command/PsyVersionCommand.php
@@ -0,0 +1,41 @@
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2017 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Command;
+
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+/**
+ * A dumb little command for printing out the current Psy Shell version.
+ */
+class PsyVersionCommand extends Command
+{
+    /**
+     * {@inheritdoc}
+     */
+    protected function configure()
+    {
+        $this
+            ->setName('version')
+            ->setDefinition(array())
+            ->setDescription('Show Psy Shell version.')
+            ->setHelp('Show Psy Shell version.');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $output->writeln($this->getApplication()->getVersion());
+    }
+}