public function push($name = null) {
		if (!$name) {
			$name = $this->in("please supply a name");
		}
		$path = $this->_toPath($name);
		$name = basename($name);
		$file = "{$path}.phar.gz";

		if (!file_exists("phar://{$file}/config/{$name}.json")) {
			$this->error(array(
				"The forumla for {$name} is missing.", "Run li3 library formulate {$name}"
			));
			return false;
		}
		$formula = json_decode(file_get_contents("phar://{$file}/config/{$name}.json"));
		$isValid = (
			!empty($formula->name) && !empty($formula->version)
			&& !empty($formula->summary) && !empty($formula->sources)
		);
		if (!$isValid) {
			$this->error(array(
				"The forumla for {$name} is not valid.", "Run li3 library formulate {$name}"
			));
			return false;
		}
		if (file_exists($file)) {
			$service = $this->_instance('service', array(
				'host' => $this->server, 'port' => $this->port,
				'auth' => 'Basic', 'username' => $this->username, 'password' => $this->password
			));
			$boundary = md5(date('r', time()));
			$headers = array("Content-Type: multipart/form-data; boundary={$boundary}");
			$name = basename($file);
			$data = join("\r\n", array(
				"--{$boundary}",
				"Content-Disposition: form-data; name=\"phar\"; filename=\"{$name}\"",
				"Content-Type: application/phar", "",
				base64_encode(file_get_contents($file)),
				"--{$boundary}--"
			));
			$result = json_decode($service->post(
				'/lab/server/receive', $data, compact('headers')
			));

			if ($service->last->response->status['code'] == 201) {
				$this->out(array(
					"{$result->name} added to {$this->server}.",
					"See http://{$this->server}/lab/plugins/view/{$result->id}"
				));
				return $result;
			}
			if (!empty($result->error)) {
				$this->error($result->error);
				return false;
			}
			$this->error((array) $result);
			return false;
		}
		$this->error(array("{$file} does not exist.", "Run li3 library archive {$name}"));
		return false;
	}