58 lines
1.5 KiB
PHP
58 lines
1.5 KiB
PHP
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<?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\Command;
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use Composer\Composer;
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use Symfony\Component\Console\Input\InputInterface;
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use Symfony\Component\Console\Output\OutputInterface;
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/**
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* @author Igor Wiedler <igor@wiedler.ch>
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*/
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class SelfUpdateCommand extends 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('self-update')
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->setDescription('Updates composer.phar to the latest version.')
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->setHelp(<<<EOT
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The <info>self-update</info> command checks getcomposer.org for newer
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versions of composer and if found, installs the latest.
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<info>php composer.phar self-update</info>
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EOT
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)
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;
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}
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protected function execute(InputInterface $input, OutputInterface $output)
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{
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$composer = $this->getComposer();
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$latest = file_get_contents('http://getcomposer.org/version');
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if (Composer::VERSION !== $latest) {
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$output->writeln(sprintf("Updating to version %s.", $latest));
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$remoteFilename = 'http://getcomposer.org/composer.phar';
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$localFilename = getcwd().'/composer.phar';
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file_put_contents($localFilename, file_get_contents($remoteFilename));
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} else {
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$output->writeln("You are using the latest composer version.");
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}
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}
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}
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