Laravelista\LumenVendorPublish\VendorPublishCommand::publishFile PHP Method

    protected function publishFile($from, $to)
    {
        if ($this->files->exists($to) && !$this->option('force')) {
            return;
        }
        $this->createParentDirectory(dirname($to));
        $this->files->copy($from, $to);
        $this->status($from, $to, 'File');
    }