On Sun, Mar 15, 2020 at 05:42:58PM -0600, Simon Glass wrote:

> Bash allows for variables to expand only if non-empty:
> 
>       $ var=test
>       $ echo ${var:+"$var"}
>       test
>       $ echo ${var:+"-k $var"}
>       -k test
>       $ var=
>       $ echo ${var:+"-k $var"}
> 
> Use this feature to avoid the workaround.
> 
> Signed-off-by: Simon Glass <s...@chromium.org>

Reviewed-by: Tom Rini <tr...@konsulko.com>

-- 
Tom

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