#!/bin/bash
# load the library

. /usr/share/debconf/confmodule

[ -f /etc/nbd-server         ] && . /etc/nbd-server
[ -f /etc/nbd-server.oldconf ] && . /etc/nbd-server.oldconf

# clean up on incorrect exit
# XXX not sure what this is supposed to do... is the in-run flag a
# debconf feature, or did I just forget to handle it later on?
trap 'db_fset nbd-server/number in-run false; exit 1' 1 2 15

if [ "$AUTO_GEN"x = "nx" ]
then
    db_input critical nbd-server/autogen
    db_go
else
    i=0
    while [ ! -z ${NBD_FILE[$i]} ]
    do
      i=$(( $i + 1 ))
    done
    if [ $i -gt 0 ]
    then
        db_set nbd-server/number $i
    fi
    db_input medium nbd-server/number
    db_go
    db_get nbd-server/number
    NUMBER=${RET:-0}
    db_beginblock
    if [ $NUMBER -eq 0 ]
    then
        # The user didn't see the question, or isn't interested in
        # running nbd-server from the initscript.
        exit 0
    fi
    for i in $(seq 0 $(( $NUMBER - 1)) )
    do
        if [ $i -eq 0 ]
        then
            unset i
        else
            db_register nbd-server/filename nbd-server/filename$i
	    db_register nbd-server/name nbd-server/name$i
        fi
        db_subst nbd-server/filename$i number $(( $i + 0 ))
	db_subst nbd-server/name$i number $(( $i + 0 ))
        if [ ! -z ${NBD_FILE[$(( $i + 0 ))]} ]
        then
            db_set nbd-server/filename$i ${NBD_FILE[$(( $i + 0 ))]}
        fi
	if [ ! -z ${NBD_NAME[$(( $i + 0 ))]} ]
	then
	    db_set nbd-server/name$i ${NBD_NAME[$(( $i + 0 ))]}
	fi
        db_beginblock
        db_input medium nbd-server/filename$i
        db_input medium nbd-server/name$i
        db_endblock
    done
    db_endblock
    db_go
fi