'ntpq -c ":config"' does not work (it probably never did)

[Matthew Selsky]

On Mon, Sep 09, 2019 at 08:46:26AM -0700, James Browning via devel wrote:
>    While working on a script, I stumbled across this issue. the cmd.Cmd
>    class does not call its precmd function from its onecmd function in
>    either Python 2.7 or 3.6. I see several possible paths forward.
> 
>    1. Ignore the issue and hope it goes away.
>    2. Report it upstream.
>    3. Change over to hot_config option exclusively.
>    4. Add a wrapper to onecmd that fixes things.
>    5. More extensive fixes to cmd.Cmd.
>    6. Change to a new command-line interpreter.
>    7. Another path I am not even considering.
> 
>    I would advocate for the wrapper or changing to hot_config as the least
>    not good options at this time. Ignoring it stacks up technical debt for
>    later. Upstream would probably say it works as intended. Changing to a
>    new interpreter would throw away all the good work on this one. More
>    extensive work is possible but probably beyond my capabilities.

Yes, please talk to upstream and see what they recommend.  And this change
should be documented in our incompatible changes list until we have a
compatible function (or we decide to leave the feature out)


Thanks,
-Matt