# Prototype file for setting up course-specific environment

echo "Attaching $SUBJECT ... "
setup_dir=`/bin/attach -p $SUBJECT`

if [ $? == 0 ]; then

	# Record information to remove setup later
	setup_filsys=$SUBJECT

	# Set prompt to reflect changed environment
	PS1="${SUBJECT}\$ "

	if [ -r $setup_dir/.attachrc.bash ]; then
		unset SUBJECT	# to prevent infinite loops
		echo "Running commands in $setup_dir/.attachrc.bash ... "
		source $setup_dir/.attachrc.bash
        else
	    if [ -r $setup_dir/.attachrc ]; then
		echo "This locker is not yet configured for the 'setup' command with the bash shell."
		echo "(.attachrc.bash not readable).  Please contact the locker maintainer."
		echo "For more information, see http://debathena.mit.edu/setup.bash"
	    fi
	    # Do minimal environment setup
	    add $setup_filsys

	fi
else
	echo ""
        echo "The $SUBJECT filesystem could not be attached."
	filsys=(`hesinfo $SUBJECT filsys`)
	if [ ${#filsys} -lt 3 ]; then
		echo "Check your spelling of the filesystem name."
	else
		echo -n "The ${filsys[0]} fileserver"
		if [ ${filsys[0]} != "AFS" ]; then 
		    echo -n " named ${filsys[2]}"
		fi
		echo " may be down."
	fi
	if [ -n "$XSESSION" ]; then
	    echo "Type exit to get rid of this window."
	else
	    kill -HUP $$	# cause shell to exit
	fi
fi
unset SUBJECT	# to prevent infinite loops