Add update channels support to self-update and diagnose, fixes #4960
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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\SelfUpdate;
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use Composer\Util\RemoteFilesystem;
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use Composer\Config;
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use Composer\Json\JsonFile;
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/**
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* @author Jordi Boggiano <j.boggiano@seld.be>
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*/
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class Versions
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{
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private $rfs;
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private $config;
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private $channel;
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public function __construct(Config $config, RemoteFilesystem $rfs)
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{
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$this->rfs = $rfs;
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$this->config = $config;
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}
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public function getChannel()
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{
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if ($this->channel) {
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return $this->channel;
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}
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$channelFile = $this->config->get('home').'/update-channel';
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if (file_exists($channelFile)) {
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$channel = trim(file_get_contents($channelFile));
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if (in_array($channel, array('stable', 'preview', 'snapshot'), true)) {
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return $this->channel = $channel;
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}
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}
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return $this->channel = 'stable';
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}
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public function setChannel($channel)
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{
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if (!in_array($channel, array('stable', 'preview', 'snapshot'), true)) {
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throw new \InvalidArgumentException('Invalid channel '.$channel.', must be one of: stable, preview, snapshot');
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}
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$channelFile = $this->config->get('home').'/update-channel';
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$this->channel = $channel;
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file_put_contents($channelFile, $channel.PHP_EOL);
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}
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public function getLatest()
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{
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$protocol = extension_loaded('openssl') ? 'https' : 'http';
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$versions = JsonFile::parseJson($this->rfs->getContents('getcomposer.org', $protocol . '://getcomposer.org/versions', false));
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foreach ($versions[$this->getChannel()] as $version) {
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if ($version['min-php'] <= PHP_VERSION_ID) {
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return $version;
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}
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}
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throw new \LogicException('There is no version of Composer available for your PHP version ('.PHP_VERSION.')');
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}
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}
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