bashrc

workdir_set()
{
	export workdir=$1
	export LOGFILE=$workdir/log
	PS1="$PS1[$workdir] "
}

workdir_mk()
{
	workdir=$(mktemp -d workdir-XXXXX)/
	touch $workdir/log
	workdir_set $workdir
	echo ". bashrc && workdir_set $workdir"
}

workdir_commmit()
{
	if [[ "$workdir" == "" ]]
	then
		echo No workdir!
		return 1
	fi
	cat $workdir/log >> log
	rm $workdir/log
	mv $workdir old_$workdir
	unset $workdir
}