#!/bin/sh

set -e

if [ "$1" = "configure" ]; then
	# If the log directory does not exist, create it and restart ntpd to
	# enable logging.
	if ! [ -d /var/log/ntpsec ]; then
		# This has to be duplicated from the ntpsec postinst so the
		# user and group exist for the install command below. This
		# package intentionally does not depend on ntpsec.  Even if it
		# did, a Pre-Depends would be required, which Policy frowns
		# upon.
		addgroup --system --quiet ntpsec
		adduser --system --quiet --ingroup ntpsec \
			--no-create-home --home /nonexistent ntpsec

		install -o ntpsec -g ntpsec -d /var/log/ntpsec
		invoke-rc.d ntpsec restart
	fi

	if [ "$1" = "configure" ] && [ -n "$2" ] &&
	   dpkg --compare-versions "$2" le-nl "1.1.0+dfsg1-2~"; then
		mv -n /var/lib/ntp/ntpviz/day/* /var/lib/ntpsec/ntpviz/day/ \
			2> /dev/null || true
		mv -n /var/lib/ntp/ntpviz/week/* /var/lib/ntpsec/ntpviz/week/ \
			2> /dev/null || true
		rmdir /var/lib/ntp/ntpviz/day \
		      /var/lib/ntp/ntpviz/week \
		      /var/lib/ntp/ntpviz \
		      /var/lib/ntp \
			2> /dev/null || true
	fi
fi

#DEBHELPER#

if [ "$1" = "configure" ] && [ -n "$2" ] &&
   dpkg --compare-versions "$2" le-nl "1.1.0+dfsg1-2~"; then
	# We have completed the transition of /etc/ntp.d.
	rm -f /etc/ntp.d/ntpviz.conf
	rmdir /etc/ntp.d 2> /dev/null || true
fi