PREIN
/bin/sh
# Add saned to group scanner, cdwriter and usb for scanner access.
/usr/sbin/useradd -r -M -s /bin/false -d /etc/sane.d -c "system user for saned" saned -G cdwriter,usb,scanner || :
PREUN
/bin/sh
if [ $1 -eq 0 ] ; then
# Package removal, not upgrade
systemctl --no-reload disable --now saned.socket >/dev/null 2>&1 || :
fi
POSTIN
/bin/sh
if [ $1 -eq 1 ] ; then
# Initial installation
systemctl --no-reload preset saned.socket >/dev/null 2>&1 || :
fi
POSTUN
/bin/sh
if [ $1 -ge 1 ] ; then
# Package upgrade, not uninstall
systemctl try-restart saned.socket >/dev/null 2>&1 || :
fi