lithium\console\command\Library::install PHP Method

    public function install($name = null)
    {
        $results = array();
        foreach ($this->_settings['servers'] as $server => $enabled) {
            if (!$enabled) {
                continue;
            }
            $service = $this->_instance('service', array('host' => $server, 'port' => $this->port));
            if ($plugin = json_decode($service->get("lab/{$name}.json"))) {
                break;
            }
        }
        if (empty($plugin->sources)) {
            $this->error("{$name} not found.");
            return false;
        }
        $hasGit = function () {
            return strpos(shell_exec('git --version'), 'git version') !== false;
        };
        foreach ((array) $plugin->sources as $source) {
            if (strpos($source, 'phar.gz') !== false && file_exists($source)) {
                $written = file_put_contents("{$this->path}/{$plugin->name}.phar.gz", file_get_contents($source));
                if (!$written) {
                    $this->error("{$plugin->name}.phar.gz could not be saved");
                    return false;
                }
                $this->out("{$plugin->name}.phar.gz saved to {$this->path}");
                try {
                    $archive = new Phar("{$this->path}/{$plugin->name}.phar.gz");
                    if ($archive->extractTo("{$this->path}/{$plugin->name}")) {
                        $this->out("{$plugin->name} installed to {$this->path}/{$plugin->name}");
                        $this->out("Remember to update the bootstrap.");
                        return true;
                    }
                } catch (Exception $e) {
                    $this->error($e->getMessage());
                }
            }
            $url = parse_url($source);
            if (!empty($url['scheme']) && $url['scheme'] == 'git' && $hasGit()) {
                $result = shell_exec("cd {$this->path} && git clone {$source} {$plugin->name}");
                if (is_dir("{$this->path}/{$plugin->name}")) {
                    $this->out("{$plugin->name} installed to {$this->path}/{$plugin->name}");
                    $this->out("Remember to update the bootstrap.");
                    return true;
                }
            }
        }
        $this->out("{$plugin->name} not installed.");
        return false;
    }