#!/bin/sh

set -e

_adopt_conffile() {
    conffile=$1
    pkg=$2

    [ -f ${conffile}.dpkg-bak ] || return 0

    md5sum="$(md5sum ${conffile} | sed -e 's/ .*//')"
    old_md5sum="$(dpkg-query -W -f='${Conffiles}' $pkg | \
                        sed -n -e "\' ${conffile} ' { s/ obsolete$//; s/.* //; p }")"
    # On new installs, if the policy file was preserved on systemd upgrade
    # by dpkg-maintscript helper, copy it back if the new file has not been modified yet
    if [ "$md5sum" = "$old_md5sum" ]; then
        mv ${conffile}.dpkg-bak ${conffile}
    fi
}

adduser --quiet --system --group --no-create-home --home /run/systemd \
    --gecos "systemd Time Synchronization" systemd-timesync

if [ "$1" = configure ] && [ -z "$2" ]; then
    _adopt_conffile /etc/dhcp/dhclient-exit-hooks.d/timesyncd systemd-timesyncd
    _adopt_conffile /etc/systemd/timesyncd.conf systemd-timesyncd
fi

# Automatically added by dh_systemd_enable/12.10ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	# This will only remove masks created by d-s-h on package removal.
	deb-systemd-helper unmask 'systemd-timesyncd.service' >/dev/null || true

	# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'systemd-timesyncd.service'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'systemd-timesyncd.service' >/dev/null || true
	else
		# Update the statefile to add new symlinks (if any), which need to be
		# cleaned up on purge. Also remove old symlinks.
		deb-systemd-helper update-state 'systemd-timesyncd.service' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_systemd_start/12.10ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -d /run/systemd/system ]; then
		systemctl --system daemon-reload >/dev/null || true
		if [ -n "$2" ]; then
			_dh_action=restart
		else
			_dh_action=start
		fi
		deb-systemd-invoke $_dh_action 'systemd-timesyncd.service' >/dev/null || true
	fi
fi
# End automatically added section