TDoG-Skin/app/Http/Middleware/RedirectToSetup.php

<?php

namespace App\Http\Middleware;

use Closure;
use Composer\Semver\Comparator;
use Illuminate\Filesystem\Filesystem;
use Illuminate\Support\Facades\Artisan;

class RedirectToSetup
{
    public function handle($request, Closure $next)
    {
        $version = config('app.version');
        $hasLock = resolve(Filesystem::class)->exists(storage_path('install.lock'));

        // If lock isn't existed, it means that BS isn't installed.
        // Database is unavailable at this time, so we should disable the loader.
        if (!$hasLock) {
            config(['translation-loader.translation_loaders' => []]);
        }

        if ($hasLock && !$request->is('setup*') && Comparator::greaterThan($version, option('version', $version))) {
            Artisan::call('update');
        }

        if ($hasLock || $request->is('setup*')) {
            return $next($request);
        }

        return redirect('/setup');
    }
}