...
[ "x${d}" != "x" ] &&
sudo kpartx -as ../${output} &&
sudo mount /dev/mapper/${l}p1 /tmp/${d} &&
sed -i 's| init=/usr/lib/raspi-config/init_resize.sh||' /tmp/${d}/cmdline.txt &&
sed -i 's| quiet||' /tmp/${d}/cmdline.txt &&
sed -i 's|#\(dtparam=spi\)|\1|' /tmp/${d}/config.txt &&
sed -i 's|#\(dtparam=i2c\)|\1|' /tmp/${d}/config.txt &&
sudo umount /tmp/${d} &&
sudo kpartx -d ../${output} &&
rmdir /tmp/${d}