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#!/bin/sh

set -e
#
# set -e are disabled because pathfind update-inetd
# gives an piuparts error.
#

#
# POSIX-compliant shell function
# to check for the existence of a command
# Return 0 if found
#
pathfind() {
    OLDIFS="$IFS"
    IFS=:
    for p in $PATH; do
        if [ -x "$p/$*" ]; then
            IFS="$OLDIFS"
            return 0
        fi
    done
    IFS="$OLDIFS"
    return 1
}


if [ "$1" = purge ] ; then
    if pathfind update-inetd ; then
	update-inetd --remove sane-port || true
	update-inetd --remove "#<off># sane-port" || true
    fi

#
# purge systemd files
#
    rm -f /etc/systemd/system/saned.socket
    rm -f /var/lib/systemd/deb-systemd-helper-enabled/saned.socket.dsh-also
    rm -f /var/lib/systemd/deb-systemd-helper-masked/saned.socket
    if [ -d /var/lib/systemd/deb-systemd-helper-enabled ]; then
        rmdir --ignore-fail-on-non-empty /var/lib/systemd/deb-systemd-helper-enabled
    fi
    if [ -d /var/lib/systemd/deb-systemd-helper-masked ]; then
	rmdir --ignore-fail-on-non-empty /var/lib/systemd/deb-systemd-helper-masked
    fi
#
# remove pid file
#
    if [ -f /var/run/saned.pid ]; then
	rm -f /var/run/saned.pid
    fi

#
# remove user / group
#
    if pathfind deluser ; then
	deluser -q --group --system saned || true
	deluser -q --group --system scanner || true
	deluser -q --system --remove-home saned || true
    fi

fi

#DEBHELPER#

exit 0