preinst is in multipath-tools 0.4.9-3ubuntu7.
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 45 46 47 48 49 50 51 52 | #! /bin/sh
# preinst script for multipath-tools
set -e
case "$1" in
    install)
    ;;
    upgrade)
	if dpkg --compare-versions "$2" lt "0.4.7-3"; then
	    [ -e /etc/rcS.d/S03multipath-tools-boot ] && rm /etc/rcS.d/S03multipath-tools-boot
	fi
	if dpkg --compare-versions "$2" lt "0.4.8-7"; then
	    [ -e /etc/rcS.d/S04multipath-tools-boot ] && rm /etc/rcS.d/S04multipath-tools-boot
	fi
	if dpkg --compare-versions "$2" lt "0.4.9"; then
	    if [ -e /var/lib/multipath/bindings ]; then
	        echo "Moving bindings file to /etc/multipath/"
	        mkdir -p /etc/multipath/
	        mv /var/lib/multipath/bindings /etc/multipath/
	    fi
	fi
    ;;
    abort-upgrade)
    ;;
    *)
        echo "preinst called with unknown argument \`$1'" >&2
        exit 1
    ;;
esac
if ! dmsetup targets | cut -d' ' -f1 | grep -q '^multipath$'; then
  modprobe -v dm-multipath || true
fi
# Automatically added by dh_installudev
if [ "$1" = install ] || [ "$1" = upgrade ]; then
	if [ -e "/etc/udev/rules.d/95_multipath.rules" ]; then
		if [ "`md5sum \"/etc/udev/rules.d/95_multipath.rules\" | sed -e \"s/ .*//\"`" = \
		     "`dpkg-query -W -f='${Conffiles}' multipath-tools | sed -n -e \"\\\\' /etc/udev/rules.d/95_multipath.rules '{s/ obsolete$//;s/.* //p}\"`" ]
		then
			rm -f "/etc/udev/rules.d/95_multipath.rules"
		fi
	fi
fi
# End automatically added section
exit 0
 |