#!/bin/sh
#
# $Id: Logclean,v 1.10 2002/02/19 15:24:57 rmg Exp $
#
#	Logclean - Get rid of old logfiles of the format <filename>.<time>
#		   If the MUSH is not running, also move <filename> to
#		   <filename>.old
#
#       Options:
#		-o	If the MUSH is running, this also deletes the 
#			<filename>.old logs.
#		-a	Gets rid of all logs. MUSH cannot be running.

PATH=/usr/ucb:/bin:/usr/bin:.; export PATH
#
. mush.config
. check_paths
#
#	Check if the MUSH is running.
#
if [ -r "$PIDFILE" ]; then
	oldpid=`cat $PIDFILE`
	if [ "$oldpid" -gt 1 ]; then
		nmush=`ps | grep $oldpid | grep netmush | wc -l`
	else
		nmush=0
	fi
else
	nmush=0
fi

#
#	Check for options.
#
del_old=0
del_all=0
if [ "$1" = "-o" ]; then
	if [ $nmush -le 0 ]; then
		echo "Use the -o option only when the MUSH is running."
		exit 0
	fi
	del_old=1
elif [ "$1" = "-a" ]; then
	if [ $nmush -gt 0 ]; then
		echo "The -a option cannot be used when the MUSH is running."
		exit 0
	fi
	del_all=1
fi

#	Save off the game log.

ls $LOGNAME.* | egrep "^$LOGNAME\.([0-9])+$" | xargs rm -f
if [ $del_all -eq 1 ]; then
	echo "Removing game logs ($LOGNAME)"
	rm -f $LOGNAME $LOGNAME.old
else
	if [ $del_old -eq 1 ]; then
		if [ -r $LOGNAME.old ]; then
			echo "Removing old game log"
			rm -f $LOGNAME.old
		fi
	elif [ $nmush -le 0 ]; then
		if [ -r $LOGNAME ]; then
			echo "Saving old game log $LOGNAME"
			mv -f $LOGNAME $LOGNAME.old
		else
			echo "No previous game log."
		fi
	fi
fi

#	Go through the conf file to find all of the diverted log filenames.
#	Do something similar with them.

log_list=`egrep -i divert_log $GAMENAME.conf | awk '{ print $3; }'`
if [ -n "$log_list" ]; then
	for logfile in $log_list
	do
		ls $logfile.* | egrep "^$logfile\.([0-9])+$" | xargs rm -f
		if [ $del_all -eq 1 ]; then
			echo "Removing logs ($logfile)"
			rm -f $logfile $logfile.old
		else
			if [ $del_old -eq 1 ]; then
				if [ -r $logfile.old ]; then
					echo "Removing old log $logfile"
					rm -f $logfile.old
				fi
			elif [ $nmush -le 0 ]; then
				if [ -r $logfile ]; then
					echo "Saving old log $logfile"
					mv -f $logfile $logfile.old
				fi
			fi
		fi
	done
fi

echo "Log cleanup done."