postinst 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 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 | #!/bin/sh
# postinst script for multipath-tools
#
# see: dh_installdeb(1)
set -e
# summary of how this script can be called:
#        * <postinst> `configure' <most-recently-configured-version>
#        * <old-postinst> `abort-upgrade' <new version>
#        * <conflictor's-postinst> `abort-remove' `in-favour' <package>
#          <new-version>
#        * <postinst> `abort-remove'
#        * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
#          <failed-install-package> <version> `removing'
#          <conflicting-package> <version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package
RULE=/etc/udev/rules.d/multipath.rules
case "$1" in
    configure)
	if [ -n "$2" ] && dpkg --compare-versions "$2" lt "0.4.7-4"; then
	    if [ -L $RULE ] && ! readlink -e $RULE; then
	    	echo -n "Removing dangling $RULE symlink..."
		rm $RULE
		echo "done."
	    fi
	fi
    ;;
    abort-upgrade|abort-remove|abort-deconfigure)
    ;;
    *)
        echo "postinst called with unknown argument \`$1'" >&2
        exit 1
    ;;
esac
# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.
# Automatically added by dh_installinit
if [ -x "/etc/init.d/multipath-tools" ]; then
	if [ ! -e "/etc/init/multipath-tools.conf" ]; then
		update-rc.d multipath-tools defaults >/dev/null
	fi
	invoke-rc.d multipath-tools start || exit $?
fi
# End automatically added section
# Automatically added by dh_installinit
if [ -x "/etc/init.d/multipath-tools-boot" ]; then
	if [ ! -e "/etc/init/multipath-tools-boot.conf" ]; then
		update-rc.d multipath-tools-boot start 21 S . >/dev/null
	fi
fi
# End automatically added section
# Automatically added by dh_installudev
if [ "$1" = configure ]; then
	if [ -e "/etc/udev/rules.d/95_multipath.rules" ]; then
		echo "Preserving user changes to /etc/udev/rules.d/95-multipath.rules ..."
		if [ -e "/etc/udev/rules.d/95-multipath.rules" ]; then
			mv -f "/etc/udev/rules.d/95-multipath.rules" "/etc/udev/rules.d/95-multipath.rules.dpkg-new"
		fi
		mv -f "/etc/udev/rules.d/95_multipath.rules" "/etc/udev/rules.d/95-multipath.rules"
	fi
fi
# End automatically added section
# Automatically added by dh_makeshlibs
if [ "$1" = "configure" ]; then
	ldconfig
fi
# End automatically added section
exit 0
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