Update

trunk/_vendor/doctrine/doctrine-bundle/Command/Proxy/DelegateCommand.php

@@ -0,0 +1,104 @@
+<?php
+
+namespace Doctrine\Bundle\DoctrineBundle\Command\Proxy;
+
+use Doctrine\ORM\Version;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+
+/**
+ * Command Delegate.
+ */
+abstract class DelegateCommand extends Command
+{
+    /** @var Command */
+    protected $command;
+
+    /**
+     * @return Command
+     */
+    abstract protected function createCommand();
+
+    /**
+     * @return string
+     */
+    protected function getMinimalVersion()
+    {
+        return '2.3.0-DEV';
+    }
+
+    /**
+     * @return bool
+     */
+    private function isVersionCompatible()
+    {
+        return version_compare(Version::VERSION, $this->getMinimalVersion()) >= 0;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function isEnabled()
+    {
+        return $this->isVersionCompatible();
+    }
+
+    /**
+     * @param string $entityManagerName
+     *
+     * @return Command
+     */
+    protected function wrapCommand($entityManagerName)
+    {
+        if (! $this->isVersionCompatible()) {
+            throw new \RuntimeException(sprintf('"%s" requires doctrine-orm "%s" or newer', $this->getName(), $this->getMinimalVersion()));
+        }
+
+        DoctrineCommandHelper::setApplicationEntityManager($this->getApplication(), $entityManagerName);
+        $this->command->setApplication($this->getApplication());
+
+        return $this->command;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    protected function configure()
+    {
+        if ($this->isVersionCompatible()) {
+            $this->command = $this->createCommand();
+
+            $this->setHelp($this->command->getHelp());
+            $this->setDefinition($this->command->getDefinition());
+            $this->setDescription($this->command->getDescription());
+        }
+
+        $this->addOption('em', null, InputOption::VALUE_OPTIONAL, 'The entity manager to use for this command');
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        return $this->wrapCommand($input->getOption('em'))->execute($input, $output);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    protected function interact(InputInterface $input, OutputInterface $output)
+    {
+        $this->wrapCommand($input->getOption('em'))->interact($input, $output);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    protected function initialize(InputInterface $input, OutputInterface $output)
+    {
+        $this->wrapCommand($input->getOption('em'))->initialize($input, $output);
+    }
+}