#!/bin/bash

# Print packages containing libraries used by two or more binaries
if [ -z "${1}" ]; then
	echo "Use `basename ${0}` --help for options."
	exit
elif [ "${1}" = "--help" ]; then
	echo "Usage: `basename ${0}` [ --emerge ] [ --help ] binary1 binary2"
	echo "The --emerge flag will emerge all shared dependencies."
	exit
elif [ "$#" -lt "2" ]; then
	echo "`basename ${0}` requires two or more binaries as arguments."
	exit
elif [ "${1}" = "--emerge" ]; then
	shift
	for i in $(sudo ldd `which ${@}` | cut -d' ' -f3 | grep -v \: | sort | uniq -d)
		do qpkg -nc -f ${i}
	done | sort | uniq -d | xargs sudo emerge
elif [ "${1}" != "--emerge" ]; then
	for i in $(sudo ldd `which ${@}`| cut -d' ' -f3 | grep -v \: | sort | uniq -d)
		do qpkg -nc -f ${i}
	done | sort | uniq -d
else
	echo "You did something wrong. Try `basename ${0}` --help."
fi