op-mode: T6367: fix "force commit-archive" TypeError
/usr/bin/config-mgmt requires an argument OR to be symbolically linked to
*commit-revision or *commit-archive, for which it interprets argv[0] through
the useful trickery:
https://github.com/vyos/vyos-1x/blob/current/python/vyos/config_mgmt.py#L693-L700
Traceback (most recent call last):
File "/usr/bin/config-mgmt", line 33, in <module>
sys.exit(load_entry_point('vyos==1.3.0', 'console_scripts', 'config-mgmt')())
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/vyos/config_mgmt.py", line 746, in run
func = getattr(config_mgmt, args['subcommand'])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^TypeError: attribute name must be string, not 'NoneType'