91e5b10d05
* 2.2: Added sleep() workaround for windows php rename bug [HttpKernel] removed unused variable Conflicts: src/Symfony/Component/HttpKernel/Kernel.php
196 lines
6.7 KiB
PHP
196 lines
6.7 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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/**
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* {@inheritdoc}
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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 = $realCacheDir.'_old';
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$filesystem = $this->getContainer()->get('filesystem');
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if (!is_writable($realCacheDir)) {
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throw new \RuntimeException(sprintf('Unable to write in the "%s" directory', $realCacheDir));
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}
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if ($filesystem->exists($oldCacheDir)) {
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$filesystem->remove($oldCacheDir);
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}
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$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 ($input->getOption('no-warmup')) {
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$filesystem->rename($realCacheDir, $oldCacheDir);
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} else {
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// the warmup cache dir name must have the same length than the real one
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// to avoid the many problems in serialized resources files
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$warmupDir = substr($realCacheDir, 0, -1).'_';
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if ($filesystem->exists($warmupDir)) {
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$filesystem->remove($warmupDir);
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}
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$this->warmup($warmupDir, $realCacheDir, !$input->getOption('no-optional-warmers'));
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$filesystem->rename($realCacheDir, $oldCacheDir);
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if (defined('PHP_WINDOWS_VERSION_BUILD')) {
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sleep(1); // workaround for windows php rename bug
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}
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$filesystem->rename($warmupDir, $realCacheDir);
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}
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$filesystem->remove($oldCacheDir);
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}
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/**
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* @param string $warmupDir
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* @param string $realCacheDir
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* @param bool $enableOptionalWarmers
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*/
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protected function warmup($warmupDir, $realCacheDir, $enableOptionalWarmers = true)
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{
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$this->getContainer()->get('filesystem')->remove($warmupDir);
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// create a temporary kernel
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$realKernel = $this->getContainer()->get('kernel');
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$realKernelClass = get_class($realKernel);
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$namespace = '';
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if (false !== $pos = strrpos($realKernelClass, '\\')) {
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$namespace = substr($realKernelClass, 0, $pos);
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$realKernelClass = substr($realKernelClass, $pos + 1);
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}
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$tempKernel = $this->getTempKernel($realKernel, $namespace, $realKernelClass, $warmupDir);
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$tempKernel->boot();
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// warmup temporary dir
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$warmer = $tempKernel->getContainer()->get('cache_warmer');
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if ($enableOptionalWarmers) {
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$warmer->enableOptionalWarmers();
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}
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$warmer->warmUp($warmupDir);
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// fix references to the Kernel in .meta files
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foreach (Finder::create()->files()->name('*.meta')->in($warmupDir) as $file) {
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file_put_contents($file, preg_replace(
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'/(C\:\d+\:)"'.get_class($tempKernel).'"/',
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sprintf('$1"%s"', $realKernelClass),
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file_get_contents($file)
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));
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}
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// fix references to cached files with the real cache directory name
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foreach (Finder::create()->files()->in($warmupDir) as $file) {
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$content = str_replace($warmupDir, $realCacheDir, file_get_contents($file));
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file_put_contents($file, $content);
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}
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// fix references to kernel/container related classes
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$search = $tempKernel->getName().ucfirst($tempKernel->getEnvironment());
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$replace = $realKernel->getName().ucfirst($realKernel->getEnvironment());
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foreach (Finder::create()->files()->name($search.'*')->in($warmupDir) as $file) {
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$content = str_replace($search, $replace, file_get_contents($file));
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file_put_contents(str_replace($search, $replace, $file), $content);
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unlink($file);
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}
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}
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/**
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* @param KernelInterface $parent
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* @param string $namespace
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* @param string $parentClass
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* @param string $warmupDir
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*
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* @return KernelInterface
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*/
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protected function getTempKernel(KernelInterface $parent, $namespace, $parentClass, $warmupDir)
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{
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$rootDir = $parent->getRootDir();
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// the temp kernel class name must have the same length than the real one
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// to avoid the many problems in serialized resources files
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$class = substr($parentClass, 0, -1).'_';
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// the temp kernel name must be changed too
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$name = substr($parent->getName(), 0, -1).'_';
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$code = <<<EOF
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<?php
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namespace $namespace
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{
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class $class extends $parentClass
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{
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public function getCacheDir()
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{
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return '$warmupDir';
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}
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public function getName()
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{
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return '$name';
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}
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public function getRootDir()
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{
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return '$rootDir';
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}
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}
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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";
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return new $class($parent->getEnvironment(), $parent->isDebug());
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}
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}
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