#!/bin/sh

set -e

# Custom dpkg-maintscript-helper type function to deal with
# nested /etc/default/ceph/ceph
prepare_mv_ceph_defaults() {
    local md5sum old_md5sum
    md5sum="$(md5sum "/etc/default/ceph/ceph" | sed -e 's/ .*//')"
    old_md5sum="$(dpkg-query -W -f='${Conffiles}' "ceph-common" | \
        sed -n -e "\'^ /etc/default/ceph/ceph ' { s/ obsolete$//; s/.* //; p }")"
    if [ "$md5sum" = "$old_md5sum" ]; then
        mv -f "/etc/default/ceph/ceph" "/etc/default/ceph/ceph.dpkg-remove"
        mv -f "/etc/default/ceph" "/etc/default/ceph.dpkg-backup"
    fi
}

case "$1" in
    upgrade|install)
        if [ -d /etc/default/ceph ] && [ -n "$2" ] &&
           dpkg --compare-versions -- "$2" le-nl 10.2.1-0ubuntu1; then
            prepare_mv_ceph_defaults
        fi
    ;;
esac

#DEBHELPER#

exit 0