postrm is in dump 0.4b46-3.
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 | #!/bin/sh
set -e
case "$1" in
	purge)
		rm -f /var/lib/dumpdates
	;;
	remove|upgrade|failed-upgrade|abort-install|abort-upgrade|disappear)
	;;
	*)
		echo "postrm called with unknown argument \`$1'" >&2
		exit 1
esac
 |