[RFC PATCH 02/28] cli: Add LIL shell

[Wolfgang Denk]

Dear Tom,

In message <20210707135839.GW9516 at bill-the-cat> you wrote:
> 
> As I've said a few times in this thread, this not being an sh-style
> interpreter is a strike against it.  And if we're going to insist on a
> bug-for-bug upgrade to our hush (so that all of the hugely complex
> existing scripts keep working) we might as well not upgrade.  Frankly I
> suspect that down the line IF a new cli interpreter comes in to U-Boot
> we will have to keep the old one around as a "use this instead" option
> for another long number of years, so that if there are any systems with
> non-trivial scripts but upgrade U-Boot and don't / won't / can't
> re-validate their entire sequence, they can just use the old cli.

Do you actually have an example where code working on our ancient
port of hush would fail on the current upstream version?

Best regards,

Wolfgang Denk

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