stack-mu-plugin.php

<?php
/**
 * Plugin Name: Bitpoke Stack
 * Plugin URI: https://www.bitpoke.io/stack/
 * Description: Must-Use plugin for Stack
 * Version: git+$Format:%H$
 * Author: Bitpoke
 * Author URI: https://www.bitpoke.io/
 */

// we are copied into mu-plugins root
if (file_exists(__DIR__ . '/stack-mu-plugin/' . basename(__FILE__))) {
    require_once __DIR__ . '/stack-mu-plugin/' . basename(__FILE__);
} else {
    // load Composer autoloader if bundled
    if (file_exists(__DIR__ . '/vendor/autoload_packages.php')) {
        require_once __DIR__ . '/vendor/autoload_packages.php';
    }

    if (! class_exists('\Stack\Config')) {
        trigger_error('Bitpoke Stack WordPress mu-plugin is not fully installed! Please install with Composer or download full release archive.', E_USER_ERROR);
    }

    require __DIR__ . '/src/mu-plugin.php';
}