#!/bin/bash

set -e

# set -x

HOST=${HOST:-/host}

mkdir -p "$HOST/var/log/sssd/uninstall"

mv /var/log /var/log-aside && ln -s "$HOST/var/log/sssd/uninstall" /var/log

export _SYSTEMCTL_LITE_LOGFILE="$HOST/var/log/sssd/uninstall/systemctl.log"

touch $_SYSTEMCTL_LITE_LOGFILE

echo "Initializing configuration context from host ..."

( cd "$HOST" && while read f ; do

	if [ -e "$f" ] ; then

		cp --parents -rp -t / "$f"

	fi

done ) < /etc/host-data-list

mkdir -p /etc/sssd/systemctl-lite-enabled

rm -rf /etc/systemctl-lite-enabled

ln -s /etc/sssd/systemctl-lite-enabled /etc/systemctl-lite-enabled

if [ -n "$1" ] ; then

	if [ "$1" == 'realm' -o "$1" == "/sbin/realm" -o "$1" == "/usr/sbin/realm" ] ; then

		COMMAND="$1 $2"

		shift ; shift

		params=("--install=/")

		systemctl start dbus.service

	elif [ "${1#-}" == "$1" ] ; then

		COMMAND="$1"

		shift

	fi

fi

if [ -z "$COMMAND" ] ; then

	if [ -f "$HOST/etc/$NAME/realm-join-options" ] ; then

		COMMAND='realm leave'

		params=("--install=/")

	else

		COMMAND='ipa-client-install -U --uninstall'

	fi

fi

$COMMAND "${params[@]}"

rm -rf /var/lib/sss/{mc,pipes}/*

echo "Copying new configuration to host ..."

while read f ; do

	( cd "$HOST" && find "$f" ) | while read g ; do

		if ! [ -e "/$g" ] ; then

			echo "Removing /$g"

			rm -rf "$HOST/$g"

		fi

	done

	if [ -e "$f" ] ; then

		cp --parents -rp -t "$HOST" "$f"

	fi

done < /etc/host-data-list