[Rpm-maint] [rpm-software-management/rpm] Sending multiple identical options to a macro will leak them to the next macro accepting the same option (Issue #3056)

[Panu Matilainen]

It's a bug alright. I actually just stumbled on that code a couple of days ago thinking this doesn't look right. It isn't.

It's not just multiple identical options, it's any local macro multiply defined, issue being that freeArgs() only ever pops once. Easily reproduced with eg

> rpm --define "aa 0" --define "my() %{define:aa 1} %{define:aa 2}" --eval "%my" --eval "%aa"
> warning: Macro %aa defined but not used within scope
> 
>1

It should "obviously" output 0.

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