#!/bin/sh
# preinst script for pgpool2
#
# see: dh_installdeb(1)

set -e

# summary of how this script can be called:
#        * <new-preinst> `install'
#        * <new-preinst> `install' <old-version>
#        * <new-preinst> `upgrade' <old-version>
#        * <old-preinst> `abort-upgrade' <new-version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package

LASTVERSION=1.3-2

# Prepare to move a conffile without triggering a dpkg question
prep_mv_conffile() {
    CONFFILE="$1"

    if [ -e "$CONFFILE" ]; then
        md5sum="`md5sum \"$CONFFILE\" | sed -e \"s/ .*//\"`"
        old_md5sum=`dpkg-query -W -f'${Conffiles}' pgpool2 |grep $CONFFILE |sed 's/\(^\s.*\s\)\(.*\)/\2/'`
        if [ "$md5sum" = "$old_md5sum" ]; then
            rm -f "$CONFFILE"
        fi
    fi
}


case "$1" in
    install|upgrade)
        if dpkg --compare-versions "$2" le "$LASTVERSION"; then
            prep_mv_conffile "/etc/pgpool.conf"
            prep_mv_conffile "/etc/pcp.conf"
            prep_mv_conffile "/etc/pool_hba.conf"
        fi
    ;;

    abort-upgrade)
    ;;

    *)
        echo "preinst 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
