prerm is in rsync 3.0.9-1ubuntu1.
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 | #!/bin/sh -e
# prerm for rsync
case "$1" in
    remove|deconfigure)
	if [ -h /usr/doc/rsync ]; then
	    rm -f /usr/doc/rsync
	fi
	if [ -x /etc/init.d/rsync ]; then
		if [ -x /usr/sbin/invoke-rc.d ]; then
			invoke-rc.d rsync stop
		else
			/etc/init.d/rsync stop
		fi
	fi
	;;
    upgrade)
	if [ -h /usr/doc/rsync ]; then
	    rm -f /usr/doc/rsync
	fi
        ;;
    failed-upgrade)
        ;;
    *)
        echo "prerm called with unknown argument \`$1'" >&2
        exit 0
	;;
esac
exit 0
 |