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