Bash will generate a very nice message for us:
/tmp/ff.sh: line 1: SOMEVAR: parameter null or not set
Let's save some keystrokes by not replacing this with our own inferior
messages.
Make sure our RPM macros work as intended. Based on the original PR
(#16464) by Mikhail Novosyolov.
Co-authored-by: Mikhail Novosyolov <m.novosyolov@rosalinux.ru>