PREIN

/bin/sh

getent group usbmuxd >/dev/null || groupadd -r usbmuxd -g 113
getent passwd usbmuxd >/dev/null || \
useradd -r -g usbmuxd -d / -s /sbin/nologin \
	-c "usbmuxd user" -u 113 usbmuxd
exit 0

PREUN

/bin/sh

if [ $1 -eq 0 ] ; then 
        # Package removal, not upgrade 
        /usr/bin/systemctl --no-reload disable usbmuxd.service > /dev/null 2>&1 || : 
        /usr/bin/systemctl stop usbmuxd.service > /dev/null 2>&1 || : 
fi

POSTIN

/bin/sh

/sbin/ldconfig

if [ $1 -eq 1 ] ; then 
        # Initial installation 
        /usr/bin/systemctl preset usbmuxd.service >/dev/null 2>&1 || : 
fi

POSTUN

/bin/sh

/sbin/ldconfig

/usr/bin/systemctl daemon-reload >/dev/null 2>&1 || : 
if [ $1 -ge 1 ] ; then 
        # Package upgrade, not uninstall 
        /usr/bin/systemctl try-restart usbmuxd.service >/dev/null 2>&1 || : 
fi