This file is indexed.

postinst is in shorewall6-lite 4.5.21.6-1.

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.

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#!/bin/sh -e

case "$1" in
    configure)
        # if we are upgrading from version < 3.4 then we have to rename the
        # configuration file
        if [ "$2" ] && dpkg --compare-versions "$2" lt "3.4"
        then
            if [ -f /etc/shorewall6-lite/shorewall.conf ]
            then
                rm /etc/shorewall6-lite/shorewall.conf
            fi
        fi
        ;;

    abort-upgrade|abort-remove|abort-deconfigure)
        ;;
        
    *)
        echo "postinst called with unknown argument \`$1'" >&2
        exit 0
        ;;
esac

# Automatically added by dh_installinit
if [ -x "/etc/init.d/shorewall6-lite" ]; then
	if [ ! -e "/etc/init/shorewall6-lite.conf" ]; then
		update-rc.d shorewall6-lite start 40 S . stop 89 0 6 . >/dev/null
	fi
fi
# End automatically added section