postrm is in checksecurity 2.0.16+nmu1ubuntu1.
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 41 42 43 44  | #! /bin/sh
# postrm script for checksecurity
#
# see: dh_installdeb(1)
set -e
case "$1" in
	purge)
# Clean up all log files on purge
		LOGDIR=/var/log
		for dir in $LOGDIR/setuid/ $LOGDIR/checksecurity/
		do
			[ -d "$dir" ] &&  {
			 	find $dir -type f -exec rm -f {} \;
				rmdir $dir
			}
		done
		for file in setuid.today setuid.yesterday setuid.changes \
			checksecurity.log
		do
			logfile=$LOGDIR/$file
			[ -f "$logfile" ] && rm -f $logfile
		done
	;;
	remove|upgrade|failed-upgrade|abort-install|abort-upgrade|disappear)
# Do nothing 
	;;
	*)
	echo "postrm called with unknown argument \`$1'" >&2
	exit 0
esac
# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.
# Automatically added by dh_installdebconf
if [ "$1" = purge ] && [ -e /usr/share/debconf/confmodule ]; then
	. /usr/share/debconf/confmodule
	db_purge
fi
# End automatically added section
 |