#!/bin/sh
# postrm script for chrony
#
# see: dh_installdeb(1)

set -e

. /usr/share/debconf/confmodule

# targets: purge|remove|upgrade|failed-upgrade|abort-install|abort-upgrade|disappear

ubuntu_ntp_pools_sources_filepath="/etc/chrony/sources.d/ubuntu-ntp-pools.sources"
ucf_managed_sources="true"

db_get chrony/configure_ubuntu_pools_in_sourcesd
ucf_managed_sources="${RET}"

case "$1" in
    purge)
        rm -f /var/lib/chrony/*
        rm -f /etc/chrony/chrony.conf
        rm -f /etc/chrony/chrony.keys
        if command -v ucf >/dev/null
        then
            ucf --purge /etc/chrony/chrony.conf
            ucf --purge /etc/chrony/chrony.keys
            if [ "${ucf_managed_sources}" = "true" ]; then
                ucf --purge "${ubuntu_ntp_pools_sources_filepath}"
            fi
            if [ -x "$(command -v ucfr)" ]; then
                ucfr --purge chrony /etc/chrony/chrony.conf
                ucfr --purge chrony /etc/chrony/chrony.keys
                if [ "${ucf_managed_sources}" = "true" ]; then
                    ucfr --purge chrony "${ubuntu_ntp_pools_sources_filepath}"
                fi
            fi
        fi
        rm -rf /etc/chrony
        rm -rf /run/chrony || true
        rm -rf /run/chrony-dhcp || true
        rm -rf /var/lib/chrony
        rm -rf /var/log/chrony
        # Remove "_chrony" system user/group
        if [ -x "$(command -v deluser)" ]
        then
            deluser --quiet --system _chrony > /dev/null 2>&1 || true
        fi

        for d in /var/lib/chrony /var/log/chrony /etc/chrony/chrony.keys; do
            if dpkg-statoverride --list "$d" >/dev/null; then
                dpkg-statoverride --remove "$d"
            fi
        done
    ;;

    remove|upgrade|failed-upgrade|abort-install|abort-upgrade|disappear)
    ;;

    *)
        echo "postrm 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
