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@ -12,6 +12,7 @@
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namespace Composer\SelfUpdate;
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use Composer\IO\IOInterface;
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use Composer\Pcre\Preg;
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use Composer\Util\HttpDownloader;
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use Composer\Config;
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@ -64,7 +65,7 @@ class Versions
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*
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* @return void
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*/
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public function setChannel($channel)
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public function setChannel($channel, IOInterface $io = null)
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{
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if (!in_array($channel, self::$channels, true)) {
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throw new \InvalidArgumentException('Invalid channel '.$channel.', must be one of: ' . implode(', ', self::$channels));
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@ -72,8 +73,15 @@ class Versions
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$channelFile = $this->config->get('home').'/update-channel';
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$this->channel = $channel;
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$storedChannel = Preg::isMatch('{^\d+$}D', $channel) ? 'stable' : $channel;
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$previouslyStored = file_exists($channelFile) ? trim((string) file_get_contents($channelFile)) : null;
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// rewrite '2' and '1' channels to stable for future self-updates, but LTS ones like '2.2' remain pinned
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file_put_contents($channelFile, (Preg::isMatch('{^\d+$}D', $channel) ? 'stable' : $channel).PHP_EOL);
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file_put_contents($channelFile, $storedChannel.PHP_EOL);
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if ($io !== null && $previouslyStored !== $storedChannel) {
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$io->writeError('Storing "<info>'.$storedChannel.'</info>" as default update channel for the next self-update run.');
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}
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}
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/**
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