[Rpm-maint] [rpm-software-management/rpm] RFE: pass parametric macro options and arguments to Lua natively (#1092)

[nim-nim]

@hroncok from the lua language POW you need a tristate for flags: nil (not passed), true (passed as true), false (passed as false). Otherwise it’s real easy to be confused when handling things that have a default state absent any flag, or an antonym (with/without, quiet/verbose, etc), or 

One may argue that that does not matter given the primitive state of the current rpm argument parser, but what that actually tells me building a new API, that bakes existing parsing problems even deeper, is quite unwise.

@pmatilai has the right general idea but it would probably be safer to expose arguments using an existing cli parsing API (such as lua argparse) and not embark in a journey to rediscover problems others mastered a long time ago. 

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