protected function dev($input, $output, $kit)
{
$path = $input->getArgument('path');
$this->install(['repo' => 'getkirby/' . $kit, 'branch' => 'master', 'path' => $path, 'output' => $output]);
util::remove(realpath($path) . '/panel');
util::remove(realpath($path) . '/kirby');
$output->writeln('Installing the core developer preview...');
$this->install(['repo' => 'getkirby/kirby', 'branch' => 'develop', 'path' => $path . '/kirby', 'output' => $output]);
$output->writeln('Installing the panel developer preview...');
$this->install(['repo' => 'getkirby/panel', 'branch' => 'develop', 'path' => $path . '/panel', 'output' => $output]);
$output->writeln('<comment>The developer preview has been installed!</comment>');
$output->writeln('');
}