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239 lines
7.0 KiB
PHP
239 lines
7.0 KiB
PHP
<?php
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/*
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* This file is part of Composer.
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*
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* (c) Nils Adermann <naderman@naderman.de>
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* Jordi Boggiano <j.boggiano@seld.be>
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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 Composer\Repository\Vcs;
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use Composer\Config;
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use Composer\Util\ProcessExecutor;
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use Composer\Util\Filesystem;
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use Composer\IO\IOInterface;
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/**
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* @author BohwaZ <http://bohwaz.net/>
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*/
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class FossilDriver extends VcsDriver
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{
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protected $tags;
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protected $branches;
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protected $rootIdentifier;
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protected $repoFile;
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protected $checkoutDir;
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protected $infoCache = array();
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/**
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* {@inheritDoc}
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*/
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public function initialize()
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{
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// Make sure fossil is installed and reachable.
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$this->checkFossil();
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// Ensure we are allowed to use this URL by config.
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$this->config->prohibitUrlByConfig($this->url, $this->io);
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// Only if url points to a locally accessible directory, assume it's the checkout directory.
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// Otherwise, it should be something fossil can clone from.
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if (Filesystem::isLocalPath($this->url) && is_dir($this->url)) {
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$this->checkoutDir = $this->url;
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} else {
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$localName = preg_replace('{[^a-z0-9]}i', '-', $this->url);
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$this->repoFile = $this->config->get('cache-repo-dir') . '/' . $localName . '.fossil';
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$this->checkoutDir = $this->config->get('cache-vcs-dir') . '/' . $localName . '/';
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$this->updateLocalRepo();
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}
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$this->getTags();
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$this->getBranches();
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}
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/**
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* Check that fossil can be invoked via command line.
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*/
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protected function checkFossil()
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{
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if (0 !== $this->process->execute('fossil version', $ignoredOutput)) {
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throw new \RuntimeException("fossil was not found, check that it is installed and in your PATH env.\n\n" . $this->process->getErrorOutput());
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}
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}
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/**
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* Clone or update existing local fossil repository.
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*/
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protected function updateLocalRepo()
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{
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$fs = new Filesystem();
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$fs->ensureDirectoryExists($this->checkoutDir);
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if (!is_writable(dirname($this->checkoutDir))) {
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throw new \RuntimeException('Can not clone '.$this->url.' to access package information. The "'.$this->checkoutDir.'" directory is not writable by the current user.');
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}
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// update the repo if it is a valid fossil repository
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if (is_file($this->repoFile) && is_dir($this->checkoutDir) && 0 === $this->process->execute('fossil info', $output, $this->checkoutDir)) {
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if (0 !== $this->process->execute('fossil pull', $output, $this->checkoutDir)) {
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$this->io->writeError('<error>Failed to update '.$this->url.', package information from this repository may be outdated ('.$this->process->getErrorOutput().')</error>');
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}
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} else {
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// clean up directory and do a fresh clone into it
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$fs->removeDirectory($this->checkoutDir);
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$fs->remove($this->repoFile);
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$fs->ensureDirectoryExists($this->checkoutDir);
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if (0 !== $this->process->execute(sprintf('fossil clone %s %s', ProcessExecutor::escape($this->url), ProcessExecutor::escape($this->repoFile)), $output)) {
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$output = $this->process->getErrorOutput();
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throw new \RuntimeException('Failed to clone '.$this->url.' to repository ' . $this->repoFile . "\n\n" .$output);
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}
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if (0 !== $this->process->execute(sprintf('fossil open %s', ProcessExecutor::escape($this->repoFile)), $output, $this->checkoutDir)) {
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$output = $this->process->getErrorOutput();
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throw new \RuntimeException('Failed to open repository '.$this->repoFile.' in ' . $this->checkoutDir . "\n\n" .$output);
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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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public function getRootIdentifier()
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{
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if (null === $this->rootIdentifier) {
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$this->rootIdentifier = 'trunk';
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}
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return $this->rootIdentifier;
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}
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/**
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* {@inheritDoc}
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*/
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public function getUrl()
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{
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return $this->url;
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}
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/**
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* {@inheritDoc}
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*/
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public function getSource($identifier)
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{
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return array('type' => 'fossil', 'url' => $this->getUrl(), 'reference' => $identifier);
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}
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/**
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* {@inheritDoc}
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*/
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public function getDist($identifier)
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{
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return null;
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}
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/**
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* {@inheritdoc}
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*/
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public function getFileContent($file, $identifier)
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{
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$command = sprintf('fossil cat -r %s %s', ProcessExecutor::escape($identifier), ProcessExecutor::escape($file));
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$this->process->execute($command, $content, $this->checkoutDir);
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if (!trim($content)) {
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return null;
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}
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return $content;
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}
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/**
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* {@inheritdoc}
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*/
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public function getChangeDate($identifier)
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{
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$this->process->execute('fossil finfo -b -n 1 composer.json', $output, $this->checkoutDir);
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list($ckout, $date, $message) = explode(' ', trim($output), 3);
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return new \DateTime($date, new \DateTimeZone('UTC'));
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}
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/**
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* {@inheritDoc}
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*/
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public function getTags()
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{
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if (null === $this->tags) {
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$tags = array();
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$this->process->execute('fossil tag list', $output, $this->checkoutDir);
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foreach ($this->process->splitLines($output) as $tag) {
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$tags[$tag] = $tag;
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}
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$this->tags = $tags;
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}
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return $this->tags;
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}
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/**
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* {@inheritDoc}
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*/
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public function getBranches()
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{
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if (null === $this->branches) {
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$branches = array();
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$bookmarks = array();
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$this->process->execute('fossil branch list', $output, $this->checkoutDir);
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foreach ($this->process->splitLines($output) as $branch) {
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$branch = trim(preg_replace('/^\*/', '', trim($branch)));
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$branches[$branch] = $branch;
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}
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$this->branches = $branches;
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}
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return $this->branches;
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}
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/**
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* {@inheritDoc}
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*/
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public static function supports(IOInterface $io, Config $config, $url, $deep = false)
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{
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if (preg_match('#(^(?:https?|ssh)://(?:[^@]@)?(?:chiselapp\.com|fossil\.))#i', $url)) {
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return true;
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}
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if (preg_match('!/fossil/|\.fossil!', $url)) {
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return true;
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}
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// local filesystem
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if (Filesystem::isLocalPath($url)) {
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$url = Filesystem::getPlatformPath($url);
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if (!is_dir($url)) {
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return false;
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}
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$process = new ProcessExecutor();
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// check whether there is a fossil repo in that path
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if ($process->execute('fossil info', $output, $url) === 0) {
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return true;
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}
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}
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return false;
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}
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}
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