#! /bin/sh
#
# check_conflicts - Checks for an SRC modula-3-lib port
# installed into the same PREFIX.

portnames=$(pkg_info -aI | sed -n -e '/^modula-3-/s/[ 	].*$//p')
for port in ${portnames}; do
    prefixes=$(pkg_info -p ${port} |\
	sed -n -e 's/^[ 	]*CWD to \([^ 	]*\).*$/\1/p')
    for prefix in ${prefixes}; do
	if [ X${prefix} = X${PREFIX} ]; then
	    echo "This port conflicts with your installed \"${port}\" port."
	    echo "Please remove \"${port}\" before continuing."
	    exit 1;
	fi
    done
done
exit 0