#!/bin/sh
# preinst script for itzks-systems-common
#
# 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

case "$1" in
	install|upgrade)
		if ! dpkg-divert --list | grep passwd.gnu 1>/dev/null 2>/dev/null; then
			dpkg-divert --add --rename --package itzks-systems-common --divert /usr/bin/passwd.gnu /usr/bin/passwd
		fi

		# move itzks_papersize.js from /etc/iceweasel/pref to /etc/firefox-esr/
		if dpkg --compare-versions "$2" le "2016.07.15.1"; then
			mkdir -p /etc/firefox-esr
			if dpkg-maintscript-helper supports mv_conffile 2>/dev/null; then
				dpkg-maintscript-helper mv_conffile /etc/iceweasel/pref/itzks_papersize.js /etc/firefox-esr/itzks_papersize.jss 2016.07.15.1 -- "$@"
			fi
		fi

		;;
	abort-upgrade)
		;;
	*)
		echo "preinst called with unknown argument \`$1'" >&2
		exit 1
		;;
esac

# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.

#DEBHELPER#

exit 0