#!/bin/sh
#
# /etc/rc.d/rc.info
#
# maintain machine info record
# adapted from a Vector Linux rc. routine
#
# call with "start" for startup, "stop" for shutdown
#
# ;o)

# where to keep the system record..
record_file=/var/log/system.record

# if you don't have a custom logo, comment this out
# or better yet, make one! it's easy. 
logo="-L 8"


# *** I M P O R T A N T ***  This wipes any changes you make to /etc/issue, 
# /etc/issue.net, and /etc/motd, WITH EACH BOOT! but they are very cool.
# To enable these, set to 1, to disable, set to zero
do_motd=1
do_issue=1
do_issue_net=1

# init..
this_host=`cat /etc/HOSTNAME`
boot_count=${boot_count:-0}
total_uptime=0
longest_uptime=0


# the functions..
view_info() {
	echo 
	echo "current system record.."
	echo 
	cat $record_file
	echo 
	exit 0
}


read_info() {
	. ${record_file}
}

info_start() {
	boot_count=$(( ${boot_count} + 1 ))

	## login message with oshi logo text.. [requires custom linux_logo]

	if [ "$install_date" = '' ]; then install_date="[unknown]"; fi

	if [ $do_motd = 1 ]; then
		linux_logo ${logo} -t "$this_host since $install_date" > /etc/motd
	fi
	if [ $do_issue = 1 ]; then
		linux_logo ${logo} -t "$this_host since $install_date" > /etc/issue
	fi
	if [ $do_issue_net = 1 ]; then
		linux_logo ${logo} -t "$this_host since $install_date" > /etc/issue.net
	fi
}

info_stop() {
	uptime=`cat /proc/uptime | cut -f 1 -d '.'`
	total_uptime=$(( ${total_uptime} + ${uptime} ))
	if [ ${uptime} -gt ${longest_uptime} ]; then
		longest_uptime=${uptime}
	fi
}

info_main() {
	echo "updating system record.."
	echo
	cat<< EOF > ${record_file}
# system history..
install_date="$install_date"
boot_count="$boot_count"
total_uptime="$total_uptime"
longest_uptime="$longest_uptime"
last_update="`date`"
EOF
}


if [ -r ${record_file} ]; then
	read_info
else
	install_date="`date`"
	info_main
	echo
	echo "new record created"
	exit 0
fi

case "$1" in
	start|begin|go)
		read_info
		info_start
		info_main
		;;
	stop|end|halt)
		read_info
		info_stop
		info_main
		;;
	view|v|-v)
		view_info
		;;
	*)
		echo "usage $0 start|stop"
		;;
esac