08a446a install: fix subclassing of knob groups

Authored and Committed by jcholast 2 years ago
    install: fix subclassing of knob groups
    
    Add new @group decorator to declare an installer class as a knob group
    instead of subclassing Group, so that subclassing the installer does not
    create duplicates of the original group.
    
    https://fedorahosted.org/freeipa/ticket/6392
    
    Reviewed-By: Martin Basti <mbasti@redhat.com>
    
        
file modified
+7 -4