help="Topology file")
parser.add_argument("-d", "--directory", required=True,
help="Installation directory")
- parser.add_argument("-p", "--packages", required=True, nargs='*',
+ parser.add_argument("-p", "--packages", required=False, nargs='+',
help="Packages paths to copy")
parser.add_argument("-c", "--cancel", help="Cancel installation",
action="store_true")