hush: BUG in varexp2 when doing a=${a:+$a }a

[Denys Vlasenko]

Fixed in git.
Thank you.

On Sun, Jun 4, 2023 at 1:23 PM Aleksander Mazur <deweloper at wp.pl> wrote:
>
> Hi,
>
> hush aborts when doing mentioned parameter substitution.
> (Fortunately it works fine when double-quoted.)
>
> $ ./hush
>
>
> BusyBox v1.37.0.git (2023-06-04 12:42:18 CEST) hush - the humble shell
> Enter 'help' for a list of built-in commands.
>
> /tmp $ a=${a:+$a }a
> /tmp $ echo $a
> a
> /tmp $ a=${a:+$a }a
> hush: BUG in varexp2
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