#!/bin/bash

op="pusage"

function detect() {
	IFS=$'\n'
	for psline in `ps -ef | grep [r]sync`; do
		ppid="`echo $psline | awk '{ print $2 }'`"
		pptime=`echo $psline | awk '{ print $5 }'`
		ppcmd="`echo $psline | \
			sed 's/.*\(rsync .*\)/\1/'`"
		echo
		echo posible backup process $ppid started at $pptime
		echo
		if [ ! -z "$1" ]; then
		if [ "$1" = "kill" ]; then
			echo -en "want me to kill it? [y/N]: "
			read answer
			echo
			if [ "$answer" = "y" ]; then
				kill -9 $ppid
			fi
		fi
		fi
	done
	IFS=""
}

#if [ $# = 1 ]; then
	case $1 in
		status)
			if [ ! -f ~/.backup ]; then
				echo
				echo "backup activated (no rejection file)"
				detect
			else
				txt="`grep ^# ~/.backup | cut -d ' ' -f 2-`"
				if [ -z "`cat ~/.backup | grep ^off`" ]; then
					echo
					echo backup activated, $txt
					detect
				else
					echo
					echo backup rejected, $txt
					detect "kill"
				fi
			fi
			;;
		off)
			echo "# disabled at `date`" > ~/.backup
			echo "off" >> ~/.backup
			detect "kill"
			;;
		on)
			echo "# enabled at `date`" > ~/.backup
			echo "on" >> ~/.backup
			;;
		*)
			echo -en "\nusage:\n$0 [status|off|on]\n\n"
			;;
	esac
#fi