postrm is in mouseemu 0.16-0ubuntu10.
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 36 37 38 39 40  | #!/bin/sh -e
# Automatically added by dh_installinit
if [ "$1" = "purge" ] ; then
	update-rc.d mouseemu 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
abort_move_conffile () {
	SOURCE="$1"
	TARGET="$2"
	if [ -e "$SOURCE.moved-by-preinst" ]; then
		echo >&2 "Aborting move of unmodified conffile $SOURCE to $TARGEET ..."
		mv -f "$SOURCE.moved-by-preinst" "$SOURCE"
	elif [ -e "$TARGET" ]; then
		echo >&2 "Aborting move of modified conffile $SOURCE to $TARGET ..."
		mv -f "$TARGET" "$SOURCE"
	fi
	return 0
}
case $1 in
	abort-install|abort-upgrade)
		if dpkg --compare-versions "$2" lt 0.15-6ubuntu2; then
			abort_move_conffile /etc/udev/mouseemu.rules \
				/etc/udev/rules.d/85-mouseemu.rules
		fi
		;;
esac
exit 0
 |