postrm is in nas 1.9.4-6.
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.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35  | #!/bin/sh -e
case "$1" in
	remove|purge)
		if [ "$1" = "purge" -a -e /usr/share/debconf/confmodule ]; then
		# Source debconf library.
			. /usr/share/debconf/confmodule
			# Remove my changes to the db.
			db_purge
		fi
		;;
	upgrade|failed-upgrade|abort-install|abort-upgrade|disappear)
		;;
esac
# Automatically added by dh_installinit/10.6.4ubuntu1
if [ "$1" = "purge" ] ; then
	update-rc.d nas remove >/dev/null
fi
# In case this system is running systemd, we make systemd reload the unit files
# to pick up changes.
if [ -d /run/systemd/system ] ; then
	systemctl --system daemon-reload >/dev/null || true
fi
# End automatically added section
# Automatically added by dh_installdebconf/10.6.4ubuntu1
if [ "$1" = purge ] && [ -e /usr/share/debconf/confmodule ]; then
	. /usr/share/debconf/confmodule
	db_purge
fi
# End automatically added section
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