use rapt-parsechangelog to reduce recipe generation time from 9m47.675s to 0m44.677s yay
 echo -n "LIBKIPI:=libkipi_" &&\
 rapt-parsechangelog -lpackaging//libkipi/debian/changelog | grep-dctrl -ensVersion -FSource . | cut -d: -f2- | cut -d- -f1 && \
 echo -n "libkipi_UPVER:=" && \
 rapt-parsechangelog -lpackaging//libkipi/debian/changelog | grep-dctrl -ensVersion -FSource . | cut -d: -f2- | sed -e s/[+-].*SprezzOS[0-9]*// | sed -e s/+sfsg//g \
 ) > sprezzos-world/libkipi
make: Nothing to be done for "all".

real    0m44.677s
user    0m13.647s
sys     0m0.573s

 echo -n "LIBKIPI:=libkipi_" &&\
 dpkg-parsechangelog -lpackaging//libkipi/debian/changelog | grep-dctrl -ensVersion -FSource . | cut -d: -f2- | cut -d- -f1 && \
 echo -n "libkipi_UPVER:=" && \
 dpkg-parsechangelog -lpackaging//libkipi/debian/changelog | grep-dctrl -ensVersion -FSource . | cut -d: -f2- | sed -e s/[+-].*SprezzOS[0-9]*// | sed -e s/+sfsg//g \
 ) > sprezzos-world/libkipi
make: Nothing to be done for "all".

real    9m47.675s
user    8m19.937s
sys     0m46.930s