postinst is in sane-utils 1.0.25+git20150528-1ubuntu2.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
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set -e
. /usr/share/debconf/confmodule
SANED_DEFAULT=/etc/default/saned
saned_eh () {
echo "saned couldn't start; check your inetd configuration and README.Debian"
}
#
# 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" = "configure" ] || [ "$1" = "reconfigure" ]; then
db_get sane-utils/saned_run
RUN_SANED="$RET"
db_get sane-utils/saned_scanner_group
SANED_IN_SCANNER="$RET"
# Add saned service, disabled by default
pathfind update-inetd
if [ $? = 0 ]; then
update-inetd --add "#<off># sane-port\tstream\ttcp\tnowait\tsaned:saned\t/usr/sbin/saned saned"
fi
# Stop debconf; output to stdout after this point. update-inetd needs debconf.
db_stop
# Create saned user/group if they do not exist
if ! getent passwd | grep -q "^saned:"; then
echo "Adding saned group and user..."
adduser --home /var/lib/saned --quiet --system --no-create-home --group saned || true
fi
# Move home from /home/saned to /var/lib/saned (since 1.0.24-6)
if getent passwd | grep "^saned:" | grep -q "/home/saned"; then
echo "Test for running scanbd"
if ps -Af | grep "saned" | grep -q "scanbd"; then
echo "Stop scanbd"
invoke-rc.d --quiet scanbd stop
echo "Move homedir from /home/saned to /var/lib/saned"
usermod -d /var/lib/saned saned
echo "Start scanbd"
invoke-rc.d --quiet scanbd start
else
echo "Move homedir from /home/saned to /var/lib/saned"
usermod -d /var/lib/saned saned
fi
fi
if [ "$SANED_IN_SCANNER" = "true" ]; then
adduser --quiet saned scanner
else
if id saned | grep -q "groups=.*\(scanner\)"; then
deluser --quiet saned scanner
fi
fi
if [ -e $SANED_DEFAULT ]; then
if [ "$RUN_SANED" = "true" ]; then
RUN_SANED=yes
else
RUN_SANED=no
fi
sed -e "s/^ *RUN=.*/RUN=$RUN_SANED/" < $SANED_DEFAULT > $SANED_DEFAULT.tmp
mv -f $SANED_DEFAULT.tmp $SANED_DEFAULT
fi
fi
# Automatically added by dh_systemd_enable
if deb-systemd-helper debian-installed saned.socket; then
# This will only remove masks created by d-s-h on package removal.
deb-systemd-helper unmask saned.socket >/dev/null || true
if deb-systemd-helper --quiet was-enabled saned.socket; then
# Create new symlinks, if any.
deb-systemd-helper enable saned.socket >/dev/null || true
fi
fi
# Update the statefile to add new symlinks (if any), which need to be cleaned
# up on purge. Also remove old symlinks.
deb-systemd-helper update-state saned.socket >/dev/null || true
# End automatically added section
# Automatically added by dh_installinit
if [ -x "/etc/init.d/saned" ]; then
update-rc.d saned defaults >/dev/null
fi
if [ -x "/etc/init.d/saned" ] || [ -e "/etc/init/saned.conf" ]; then
invoke-rc.d saned start || saned_eh
fi
# End automatically added section
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