parser.add_argument("-t","--timeout",metavar="secs",default=0,help="When searching for a keyserver and not all volumes can be unlocked, abort after this period of time, given in seconds. Defaults to infinity. This argument can be specified as a host-based configuration parameter as well; the command-line argument always takes precedence.")
parser.add_argument("-v","--verbose",action="count",default=0,help="Increase verbosity. Can be specified multiple times.")
parser.add_argument("filename",metavar="filename",help="Exported database file to load TLS-PSKs and list of disks from.")
parser.add_argument("hostname",metavar="hostname",nargs="?",help="When hostname is given, auto-searching for suitable servers is disabled and only a connection to the given hostname is attempted.")