Installer.php 8.26 KB
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<?php
/**
 * @link http://www.yiiframework.com/
 * @copyright Copyright (c) 2008 Yii Software LLC
 * @license http://www.yiiframework.com/license/
 */

namespace yii\composer;

use Composer\Package\PackageInterface;
use Composer\Installer\LibraryInstaller;
use Composer\Repository\InstalledRepositoryInterface;
Qiang Xue committed
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use Composer\Script\CommandEvent;
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use Composer\Util\Filesystem;
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/**
 * @author Qiang Xue <qiang.xue@gmail.com>
 * @since 2.0
 */
class Installer extends LibraryInstaller
{
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    const EXTRA_BOOTSTRAP = 'bootstrap';
    const EXTRA_WRITABLE = 'writable';
    const EXTRA_EXECUTABLE = 'executable';
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    const EXTENSION_FILE = 'yiisoft/extensions.php';
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    /**
     * @inheritdoc
     */
    public function supports($packageType)
    {
        return $packageType === 'yii2-extension';
    }
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    /**
     * @inheritdoc
     */
    public function install(InstalledRepositoryInterface $repo, PackageInterface $package)
    {
        // install the package the normal composer way
        parent::install($repo, $package);
        // add the package to yiisoft/extensions.php
        $this->addPackage($package);
        // ensure the yii2-dev package also provides Yii.php in the same place as yii2 does
        if ($package->getName() == 'yiisoft/yii2-dev') {
            $this->linkBaseYiiFiles();
        }
    }
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    /**
     * @inheritdoc
     */
    public function update(InstalledRepositoryInterface $repo, PackageInterface $initial, PackageInterface $target)
    {
        parent::update($repo, $initial, $target);
        $this->removePackage($initial);
        $this->addPackage($target);
        // ensure the yii2-dev package also provides Yii.php in the same place as yii2 does
        if ($initial->getName() == 'yiisoft/yii2-dev') {
            $this->linkBaseYiiFiles();
        }
    }
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    /**
     * @inheritdoc
     */
    public function uninstall(InstalledRepositoryInterface $repo, PackageInterface $package)
    {
        // uninstall the package the normal composer way
        parent::uninstall($repo, $package);
        // remove the package from yiisoft/extensions.php
        $this->removePackage($package);
        // remove links for Yii.php
        if ($package->getName() == 'yiisoft/yii2-dev') {
            $this->removeBaseYiiFiles();
        }
    }
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    protected function addPackage(PackageInterface $package)
    {
        $extension = [
            'name' => $package->getName(),
            'version' => $package->getVersion(),
        ];
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        $alias = $this->generateDefaultAlias($package);
        if (!empty($alias)) {
            $extension['alias'] = $alias;
        }
        $extra = $package->getExtra();
        if (isset($extra[self::EXTRA_BOOTSTRAP]) && is_string($extra[self::EXTRA_BOOTSTRAP])) {
            $extension['bootstrap'] = $extra[self::EXTRA_BOOTSTRAP];
        }
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        $extensions = $this->loadExtensions();
        $extensions[$package->getName()] = $extension;
        $this->saveExtensions($extensions);
    }
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    protected function generateDefaultAlias(PackageInterface $package)
    {
        $fs = new Filesystem;
        $vendorDir = $fs->normalizePath($this->vendorDir);
        $autoload = $package->getAutoload();
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        $aliases = [];
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        if (!empty($autoload['psr-0'])) {
            foreach ($autoload['psr-0'] as $name => $path) {
                $name = str_replace('\\', '/', trim($name, '\\'));
                if (!$fs->isAbsolutePath($path)) {
                    $path = $this->vendorDir . '/' . $package->getName() . '/' . $path;
                }
                $path = $fs->normalizePath($path);
                if (strpos($path . '/', $vendorDir . '/') === 0) {
                    $aliases["@$name"] = '<vendor-dir>' . substr($path, strlen($vendorDir)) . '/' . $name;
                } else {
                    $aliases["@$name"] = $path . '/' . $name;
                }
            }
        }
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        if (!empty($autoload['psr-4'])) {
            foreach ($autoload['psr-4'] as $name => $path) {
                $name = str_replace('\\', '/', trim($name, '\\'));
                if (!$fs->isAbsolutePath($path)) {
                    $path = $this->vendorDir . '/' . $package->getName() . '/' . $path;
                }
                $path = $fs->normalizePath($path);
                if (strpos($path . '/', $vendorDir . '/') === 0) {
                    $aliases["@$name"] = '<vendor-dir>' . substr($path, strlen($vendorDir));
                } else {
                    $aliases["@$name"] = $path;
                }
            }
        }
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        return $aliases;
    }
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    protected function removePackage(PackageInterface $package)
    {
        $packages = $this->loadExtensions();
        unset($packages[$package->getName()]);
        $this->saveExtensions($packages);
    }
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    protected function loadExtensions()
    {
        $file = $this->vendorDir . '/' . self::EXTENSION_FILE;
        if (!is_file($file)) {
            return [];
        }
        // invalidate opcache of extensions.php if exists
        if (function_exists('opcache_invalidate')) {
            opcache_invalidate($file, true);
        }
        $extensions = require($file);
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        $vendorDir = str_replace('\\', '/', $this->vendorDir);
        $n = strlen($vendorDir);
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        foreach ($extensions as &$extension) {
            if (isset($extension['alias'])) {
                foreach ($extension['alias'] as $alias => $path) {
                    $path = str_replace('\\', '/', $path);
                    if (strpos($path . '/', $vendorDir . '/') === 0) {
                        $extension['alias'][$alias] = '<vendor-dir>' . substr($path, $n);
                    }
                }
            }
        }
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        return $extensions;
    }
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    protected function saveExtensions(array $extensions)
    {
        $file = $this->vendorDir . '/' . self::EXTENSION_FILE;
        $array = str_replace("'<vendor-dir>", '$vendorDir . \'', var_export($extensions, true));
        file_put_contents($file, "<?php\n\n\$vendorDir = dirname(__DIR__);\n\nreturn $array;\n");
        // invalidate opcache of extensions.php if exists
        if (function_exists('opcache_invalidate')) {
            opcache_invalidate($file, true);
        }
    }
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    protected function linkBaseYiiFiles()
    {
        $yiiDir = $this->vendorDir . '/yiisoft/yii2';
        if (!file_exists($yiiDir)) {
            mkdir($yiiDir, 0777, true);
        }
        foreach (['Yii.php', 'BaseYii.php', 'classes.php'] as $file) {
            file_put_contents($yiiDir . '/' . $file, <<<EOF
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<?php
/**
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 * This is a link provided by the yiisoft/yii2-dev package via yii2-composer plugin.
 *
 * @link http://www.yiiframework.com/
 * @copyright Copyright (c) 2008 Yii Software LLC
 * @license http://www.yiiframework.com/license/
 */
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return require(__DIR__ . '/../yii2-dev/framework/$file');
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EOF
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            );
        }
    }
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    protected function removeBaseYiiFiles()
    {
        $yiiDir = $this->vendorDir . '/yiisoft/yii2';
        foreach (['Yii.php', 'BaseYii.php', 'classes.php'] as $file) {
            if (file_exists($yiiDir . '/' . $file)) {
                unlink($yiiDir . '/' . $file);
            }
        }
        if (file_exists($yiiDir)) {
            rmdir($yiiDir);
        }
    }
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    /**
     * Sets the correct permission for the files and directories listed in the extra section.
     * @param CommandEvent $event
     */
    public static function setPermission($event)
    {
        $options = array_merge([
            self::EXTRA_WRITABLE => [],
            self::EXTRA_EXECUTABLE => [],
        ], $event->getComposer()->getPackage()->getExtra());
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        foreach ((array) $options[self::EXTRA_WRITABLE] as $path) {
            echo "Setting writable: $path ...";
            if (is_dir($path)) {
                chmod($path, 0777);
                echo "done\n";
            } else {
                echo "The directory was not found: " . getcwd() . DIRECTORY_SEPARATOR . $path;
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                return;
            }
        }

        foreach ((array) $options[self::EXTRA_EXECUTABLE] as $path) {
            echo "Setting executable: $path ...";
            if (is_file($path)) {
                chmod($path, 0755);
                echo "done\n";
            } else {
                echo "\n\tThe file was not found: " . getcwd() . DIRECTORY_SEPARATOR . $path . "\n";

                return;
            }
        }
    }
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}