<?php

namespace Composer\Util;

use Composer\Downloader\DownloaderInterface;
use Composer\Package\PackageInterface;
use React\Promise\PromiseInterface;

class SyncHelper
{
    /**
     * Helps you download + install a single package in a synchronous way
     *
     * This executes all the required steps and waits for promises to complete
     *
     * @param Loop                  $loop        Loop instance which you can get from $composer->getLoop()
     * @param DownloaderInterface   $downloader  Downloader instance you can get from $composer->getDownloadManager()->getDownloader('zip') for example
     * @param string                $path        the installation path for the package
     * @param PackageInterface      $package     the package to install
     * @param PackageInterface|null $prevPackage the previous package if this is an update and not an initial installation
     */
    public static function downloadAndInstallPackageSync(
        Loop $loop,
        DownloaderInterface $downloader,
        string $path,
        PackageInterface $package,
        ?PackageInterface $prevPackage = null,
    ): void {
        $type = $prevPackage ? 'update' : 'install';

        try {
            self::await($loop, $downloader->download($package, $path, $prevPackage));

            self::await($loop, $downloader->prepare($type, $package, $path, $prevPackage));

            if ($type === 'update') {
                self::await($loop, $downloader->update($package, $prevPackage, $path));
            } else {
                self::await($loop, $downloader->install($package, $path));
            }
        } catch (\Exception $e) {
            self::await($loop, $downloader->cleanup($type, $package, $path, $prevPackage));
            throw $e;
        }

        self::await($loop, $downloader->cleanup($type, $package, $path, $prevPackage));
    }

    /**
     * Waits for a promise to resolve
     *
     * @param Loop                  $loop    Loop instance which you can get from $composer->getLoop()
     */
    public static function await(Loop $loop, ?PromiseInterface $promise = null): void
    {
        if ($promise) {
            $loop->wait([$promise]);
        }
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NDkwNjU0MDkzODczMTg0MiA5NTAwNzEzMDc1NjYwODQwIDQ5NjIwMjU0MTE5Mzc0NzA=