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- <?php
-
-
- namespace yii\composer;
-
- use Composer\Composer;
- use Composer\DependencyResolver\Operation\UpdateOperation;
- use Composer\EventDispatcher\EventSubscriberInterface;
- use Composer\Installer\PackageEvent;
- use Composer\Installer\PackageEvents;
- use Composer\IO\IOInterface;
- use Composer\Plugin\PluginInterface;
- use Composer\Script;
- use Composer\Script\ScriptEvents;
-
-
- class Plugin implements PluginInterface, EventSubscriberInterface
- {
-
-
- private $_packageUpdates = [];
-
-
- private $_vendorDir;
-
-
-
-
- public function activate(Composer $composer, IOInterface $io)
- {
- $installer = new Installer($io, $composer);
- $composer->getInstallationManager()->addInstaller($installer);
- $this->_vendorDir = rtrim($composer->getConfig()->get('vendor-dir'), '/');
- $file = $this->_vendorDir . '/yiisoft/extensions.php';
- if (!is_file($file)) {
- @mkdir(dirname($file), 0777, true);
- file_put_contents($file, "<?php\n\nreturn [];\n");
- }
- }
-
-
-
- public static function getSubscribedEvents()
- {
- return [
- PackageEvents::POST_PACKAGE_UPDATE => 'checkPackageUpdates',
- ScriptEvents::POST_UPDATE_CMD => 'showUpgradeNotes',
- ];
- }
-
-
-
-
- public function checkPackageUpdates(PackageEvent $event)
- {
- $operation = $event->getOperation();
- if ($operation instanceof UpdateOperation) {
- $this->_packageUpdates[$operation->getInitialPackage()->getName()] = [
- 'from' => $operation->getInitialPackage()->getVersion(),
- 'fromPretty' => $operation->getInitialPackage()->getPrettyVersion(),
- 'to' => $operation->getTargetPackage()->getVersion(),
- 'toPretty' => $operation->getTargetPackage()->getPrettyVersion(),
- 'direction' => $event->getPolicy()->versionCompare(
- $operation->getInitialPackage(),
- $operation->getTargetPackage(),
- '<'
- ) ? 'up' : 'down',
- ];
- }
- }
-
-
-
- public function showUpgradeNotes(Script\Event $event)
- {
- $packageName = 'yiisoft/yii2';
- if (!isset($this->_packageUpdates[$packageName])) {
- return;
- }
-
- $package = $this->_packageUpdates['yiisoft/yii2'];
-
-
-
- if ($package['fromPretty'] == $package['toPretty']) {
- return;
- }
-
- $io = $event->getIO();
-
-
-
-
- if ($package['direction'] === 'up' && $this->isNumericVersion($package['fromPretty'])) {
-
- $notes = $this->findUpgradeNotes($packageName, $package['fromPretty']);
- if ($notes !== false && empty($notes)) {
-
- return;
- }
-
- $this->printUpgradeIntro($io, $package);
-
- if ($notes) {
-
- if (count($notes) > 250) {
- $io->write("\n <fg=yellow;options=bold>The relevant notes for your upgrade are too long to be displayed here.</>");
- } else {
- $io->write("\n " . trim(implode("\n ", $notes)));
- }
- }
-
- $io->write("\n You can find the upgrade notes for all versions online at:");
- } else {
- $this->printUpgradeIntro($io, $package);
- $io->write("\n You can find the upgrade notes online at:");
- }
- $this->printUpgradeLink($io, $package);
- }
-
-
-
- private function printUpgradeLink($io, $package)
- {
- $maxVersion = $package['direction'] === 'up' ? $package['toPretty'] : $package['fromPretty'];
-
- if (!$this->isNumericVersion($maxVersion)) {
- $maxVersion = 'master';
- }
- $io->write(" https://github.com/yiisoft/yii2/blob/$maxVersion/framework/UPGRADE.md\n");
- }
-
-
-
- private function printUpgradeIntro($io, $package)
- {
- $io->write("\n <fg=yellow;options=bold>Seems you have "
- . ($package['direction'] === 'up' ? 'upgraded' : 'downgraded')
- . ' Yii Framework from version '
- . $package['fromPretty'] . ' to ' . $package['toPretty'] . '.</>'
- );
- $io->write("\n <options=bold>Please check the upgrade notes for possible incompatible changes");
- $io->write(' and adjust your application code accordingly.</>');
- }
-
-
-
- private function findUpgradeNotes($packageName, $fromVersion)
- {
- $upgradeFile = $this->_vendorDir . '/' . $packageName . '/UPGRADE.md';
- if (!is_file($upgradeFile) || !is_readable($upgradeFile)) {
- return false;
- }
- $lines = preg_split('~\R~', file_get_contents($upgradeFile));
- $relevantLines = [];
- $consuming = false;
- foreach($lines as $line) {
- if (preg_match('/^Upgrade from Yii ([0-9]\.[0-9]+\.?[0-9]*)/i', $line, $matches)) {
- if (version_compare($matches[1], $fromVersion, '<')) {
- break;
- }
- $consuming = true;
- }
- if ($consuming) {
- $relevantLines[] = $line;
- }
- }
- return $relevantLines;
- }
-
-
-
- private function isNumericVersion($version)
- {
- return preg_match('~^([0-9]\.[0-9]+\.?[0-9]*)~', $version);
- }
- }
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