K8up CLI requires non-documented "hostname" flag

[akosma]

Description

When executing the k8up restic --check command, the program shows the following output:

unable to start k8up: Required flag "hostname" not set

However the hostname flag is not explained in the output of the --help command.

Additional Context

No response

Logs

No response

Expected Behavior

The hostname flag is clearly explained in the output of the --help command.

Steps To Reproduce

$ k8up restic --check

// output of --help without mention of the 'hostname' flag

unable to start k8up: Required flag "hostname" not set

Version of K8up

version=2.7.0 revision=8f203d75eaa6826405e0c288d2d0915fa6c53e79 date=2023-03-30T12:16:39Z

Version of Kubernetes

1.24

Distribution of Kubernetes

OpenShift 4.11