diff -r 000000000000 -r 7f95f8617b0b vendor/symfony/src/Symfony/Bundle/FrameworkBundle/Command/CacheClearCommand.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Bundle/FrameworkBundle/Command/CacheClearCommand.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,170 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bundle\FrameworkBundle\Command;
+
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\HttpKernel\KernelInterface;
+use Symfony\Component\Finder\Finder;
+
+/**
+ * Clear and Warmup the cache.
+ *
+ * @author Francis Besset <francis.besset@gmail.com>
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class CacheClearCommand extends ContainerAwareCommand
+{
+    protected $name;
+
+    /**
+     * @see Command
+     */
+    protected function configure()
+    {
+        $this
+            ->setName('cache:clear')
+            ->setDefinition(array(
+                new InputOption('no-warmup', '', InputOption::VALUE_NONE, 'Do not warm up the cache'),
+            ))
+            ->setDescription('Clear the cache')
+            ->setHelp(<<<EOF
+The <info>cache:clear</info> command clears the application cache for a given environment
+and debug mode:
+
+<info>php app/console cache:clear --env=dev</info>
+<info>php app/console cache:clear --env=prod --no-debug</info>
+EOF
+            )
+        ;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $realCacheDir = $this->getContainer()->getParameter('kernel.cache_dir');
+        $oldCacheDir  = $realCacheDir.'_old';
+
+        if (!is_writable($realCacheDir)) {
+            throw new \RuntimeException(sprintf('Unable to write in the "%s" directory', $realCacheDir));
+        }
+
+        $kernel = $this->getContainer()->get('kernel');
+        $output->writeln(sprintf('Clearing the cache for the <info>%s</info> environment with debug <info>%s</info>', $kernel->getEnvironment(), var_export($kernel->isDebug(), true)));
+
+        if ($input->getOption('no-warmup')) {
+            rename($realCacheDir, $oldCacheDir);
+        } else {
+            $warmupDir = $realCacheDir.'_new';
+
+            $this->warmup($warmupDir);
+
+            rename($realCacheDir, $oldCacheDir);
+            rename($warmupDir, $realCacheDir);
+        }
+
+        $this->getContainer()->get('filesystem')->remove($oldCacheDir);
+    }
+
+    protected function warmup($warmupDir)
+    {
+        $this->getContainer()->get('filesystem')->remove($warmupDir);
+
+        $parent = $this->getContainer()->get('kernel');
+        $class = get_class($parent);
+        $namespace = '';
+        if (false !== $pos = strrpos($class, '\\')) {
+            $namespace = substr($class, 0, $pos);
+            $class = substr($class, $pos + 1);
+        }
+
+        $kernel = $this->getTempKernel($parent, $namespace, $class, $warmupDir);
+        $kernel->boot();
+
+        $warmer = $kernel->getContainer()->get('cache_warmer');
+        $warmer->enableOptionalWarmers();
+        $warmer->warmUp($warmupDir);
+
+        // fix container files and classes
+        $regex = '/'.preg_quote($this->getTempKernelSuffix(), '/').'/';
+        $finder = new Finder();
+        foreach ($finder->files()->name(get_class($kernel->getContainer()).'*')->in($warmupDir) as $file) {
+            $content = file_get_contents($file);
+            $content = preg_replace($regex, '', $content);
+
+            // fix absolute paths to the cache directory
+            $content = preg_replace('/'.preg_quote($warmupDir,'/').'/', preg_replace('/_new$/', '', $warmupDir), $content);
+
+            file_put_contents(preg_replace($regex, '', $file), $content);
+            unlink($file);
+        }
+
+        // fix meta references to the Kernel
+        foreach ($finder->files()->name('*.meta')->in($warmupDir) as $file) {
+            $content = preg_replace(
+                '/C\:\d+\:"'.preg_quote($class.$this->getTempKernelSuffix(), '"/').'"/',
+                sprintf('C:%s:"%s"', strlen($class), $class),
+                file_get_contents($file)
+            );
+            file_put_contents($file, $content);
+        }
+    }
+
+    protected function getTempKernelSuffix()
+    {
+        if (null === $this->name) {
+            $this->name = '__'.uniqid().'__';
+        }
+
+        return $this->name;
+    }
+
+    protected function getTempKernel(KernelInterface $parent, $namespace, $class, $warmupDir)
+    {
+        $suffix = $this->getTempKernelSuffix();
+        $rootDir = $parent->getRootDir();
+        $code = <<<EOF
+<?php
+
+namespace $namespace
+{
+    class $class$suffix extends $class
+    {
+        public function getCacheDir()
+        {
+            return '$warmupDir';
+        }
+
+        public function getRootDir()
+        {
+            return '$rootDir';
+        }
+
+        protected function getContainerClass()
+        {
+            return parent::getContainerClass().'$suffix';
+        }
+    }
+}
+EOF;
+        $this->getContainer()->get('filesystem')->mkdir($warmupDir);
+        file_put_contents($file = $warmupDir.'/kernel.tmp', $code);
+        require_once $file;
+        @unlink($file);
+        $class = "$namespace\\$class$suffix";
+
+        return new $class($parent->getEnvironment(), $parent->isDebug());
+    }
+}