private function copyRecursive($source, $target)
    {
        if (!is_dir($source)) {
            $this->filesystem->ensureDirectoryExists(dirname($target));
            copy($source, $target);

            return;
        }

        $iterator = new \RecursiveIteratorIterator(
            new \RecursiveDirectoryIterator($source, \RecursiveDirectoryIterator::SKIP_DOTS),
            \RecursiveIteratorIterator::SELF_FIRST
        );

        $this->filesystem->ensureDirectoryExists($target);

        foreach ($iterator as $file) {
            $targetPath = $target . DIRECTORY_SEPARATOR . $iterator->getSubPathName();
            if ($file->isDir()) {
                $this->filesystem->ensureDirectoryExists($targetPath);
            } else {
                copy($file->getPathname(), $targetPath);
            }
        }
    }