invoiceninja/app/Console/Commands/PostUpdate.php

<?php

namespace App\Console\Commands;

use Composer\Composer;
use Composer\Factory;
use Composer\IO\NullIO;
use Composer\Installer;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\Artisan;
use Symfony\Component\Console\Input\ArrayInput;
use Composer\Console\Application;

class PostUpdate extends Command
{

    protected $name = 'ninja:post-update';
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'ninja:post-update';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Run basic upgrade commands';

    /**
     * Execute the console command.
     *
     * @return mixed
     */
    public function handle()
    {
        set_time_limit(0);

        info("running post update");

        try {
            Artisan::call('migrate');
        } catch (Exception $e) {
            \Log::error("I wasn't able to migrate the data.");
        }

        try {
            Artisan::call('optimize');
        } catch (Exception $e) {
            \Log::error("I wasn't able to optimize.");
        }


        $composer_data = array(
          'url' => 'https://getcomposer.org/composer.phar',
          'dir' => __DIR__.'/.code',
          'bin' => __DIR__.'/.code/composer.phar',
          'json' => __DIR__.'/.code/composer.json',
          'conf' => array(
            "autoload" => array(
              "psr-4" => array(
                "" => "local/"
              )
            )
          )
        );

        if(!is_dir($composer_data['dir']))
            mkdir($composer_data['dir'],0777,true);

        if(!is_dir("{$composer_data['dir']}/local"))
        mkdir("{$composer_data['dir']}/local",0777,true);

        copy($composer_data['url'],$composer_data['bin']);
        require_once "phar://{$composer_data['bin']}/src/bootstrap.php";

        $conf_json = json_encode($composer_data['conf'],JSON_PRETTY_PRINT|JSON_UNESCAPED_SLASHES|JSON_UNESCAPED_UNICODE);
        file_put_contents($composer_data['json'],$conf_json);
        chdir($composer_data['dir']);
        putenv("COMPOSER_HOME={$composer_data['dir']}");
        putenv("OSTYPE=OS400"); 
        $app = new \Composer\Console\Application();

        $factory = new \Composer\Factory();
        $output = $factory->createOutput();

        $input = new \Symfony\Component\Console\Input\ArrayInput(array(
          'command' => 'install',
        ));
        $input->setInteractive(false);
        echo "<pre>";
        $cmdret = $app->doRun($input,$output); 
        echo "end!";

        \Log::error(print_r($cmdret,1));

    }
}