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From: Jeff Moyer <jmoyer@redhat.com>
To: Dan Williams <dan.j.williams@intel.com>
Subject: Re: [ndctl PATCH] ndctl/list: Drop named list objects from verbose listing
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	(Dan Williams's message of "Wed, 19 Feb 2020 10:53:41 -0800")
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Dan Williams <dan.j.williams@intel.com> writes:

>> >> Will this break existing code that parses the javascript output?
>> >
>> > Always a potential for that. That said, I'd rather attempt to make it
>> > symmetric and replace it if someone screams, rather than let this
>> > quirk persist because it makes it impossible to ingest region data
>> > with the same script across -R and -Rv.
>>
>> Yeah, I see where you're coming from.  However, script authors will
>> still have to deal with older versions of ndctl in the wild (for many
>> years).  If the decision was up to me, I'd live with the wart in favor
>> of not breaking scripts when ndctl gets updated.  Users hate that.
>
> Let's do a compromise, because users also hate nonsensical legacy that
> they can't avoid. How about an environment variable,
> "NDCTL_LIST_LINT", that users can set to opt into the latest /
> cleanest output format with the understanding that the clean up may
> regress scripts that were dependent on the old bugs.

Deal.  :)

-Jeff
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