Option	Description	Default	Environment Variable	Command Line Argument
server_url	The URL of the server.	None	SERVER_URL	--server-url
to	The path to update the client to.	None	TO	--to
for_os	The operating system for the update.	Currently Running OS	FOR_OS	--for-os
username	The username for authentication (optional).	None	MINUS_GAMES_USERNAME	--username
password	The password for authentication (optional).	None	MINUS_GAMES_PASSWORD	--password