#!/bin/sh
#
# Petitboot udhcpc user script.  Should be run by udhcpc when
# there is a change in the dhcp configuration.  For more info
# see the udhcpc man page and the Linux kernel source file
# Documentation/filesystems/nfsroot.txt.
#

PBOOT_USER_EVENT_SOCKET="/tmp/petitboot.ev"
log="pb-udhcpc.log"

pb_add () {
	k_server_ip=${rootpath%%:*}
	k_root_dir=${rootpath#*:}

	[ ${k_server_ip} != ${rootpath} ] || k_server_ip=${serverid}

	echo -ne "add@/net/${interface}\0name=netboot\0image=tftp://${siaddr}${boot_file}\0args=root=/dev/nfs ip=any nfsroot=${k_server_ip}:${k_root_dir}\0" | pb-event
}

pb_remove () {
	echo -ne "remove@/net/${interface}\0name=netboot\0" | pb-event
}

case "$1" in
bound | renew)
	pb_add
	;;
deconfig)
	pb_remove
	;;
*)
	;;
esac

echo "--- $1 ---" >> ${log}
set >> ${log}
echo "---------------" >> ${log}