<?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:----cZ/dRy5lqOVa7zrwxd+pnH3cUVjewo4/VqzvmAtfKzodseOYUXwyILq+AFK6r2fst0oT72mSgugNTzbwiVeQ3RVwPtI99DAmC2G23xrKhzbZUGCqSooMUnQFBWZGtvedf0Mi1eZxsb/VLQ3eMjn05bW6OAuz0YNauwSLw5jbwCVBWw3OoIkuyTUhILU2UpnzfaVV8URA1uNWzo6bnMAdG5S9DmaM3hAShOGnFWxxy+Bc3mI7xA10u8kLvdwT7c9CvGfSuYakRqB6EpZ3awcTnmMOiyrwzw5+FDPeT7rMM/WaN2CNOl7HdH9dCY7X5eg8ziePxVyGplAa3mp9cI8eeXH4/pdrGPJi9vgoSAueP+vFQwXNmK4ZmCvZxNk5RXl0gmT4QvHXimrilVN4MPc1tCvC95mNLGp1TAljrtBPgBAfN1Hw8IczVpndEYI+T1yJG4si3zoK58SifKnDmciMYMPyIwtiZmreadeC0PxlggOwCfx3gvwnwFAIq7/YQ66WPNRpOJg1wgAvNN9/hC53EG1Izx0MLuyga1ERyNI5hFem9Z+x8ggzAfaJTVPyquWccIVrFRlNpMEwQIj/uYSGqacu8hxof3PK07iGvNddOAx6w5ft9T9VZEX/T+WAkenmX0TfjPZAdiTPW1VTWq/0Gz6v1YOeFIWEfKd/CaSapMA=----ATTACHMENT:----OTI5MjQ2MzQ1OTE3NTg0NyA5MjIxMTEzMDM1NDM4Njg5IDg1ODk3MTg3MzI0NDAzNDM=