#!/bin/bash

run_scanelf()
{
	KEY=
	for dep in `scanelf -yBF '%f %n' "$1"`; do
		if [[ -z $KEY ]]; then
			KEY="$dep"
			continue
		fi
		echo $dep
	done
}

if [[ "$1" = --internal ]]; then
	mime=`file -b --mime-type "$2"`
	if [[ "$mime" == 'application/x-executable' ]] || [[ "${mime}" == 'application/x-sharedlib' ]]; then
		LINK=`run_scanelf "$2"`
		[[ "$mime" == 'application/x-sharedlib' ]] && /tmp/try_dlopen "$2"
		[[ -n $LINK ]] && echo -e ${LINK//,/\\n}
		exit 0
	fi
	exit 1
fi

[[ -z $* ]] && echo "usage: `basename $0` <package>" && exit 0

if ! portageq has_version $ROOT/ $1; then
	echo "$1 is not installed"
	exit 1
fi

LDLIBS=`/sbin/ldconfig -p`
gcc "`dirname $0`/try_dlopen.c" -o /tmp/try_dlopen -ldl

for cpv in `portageq match $ROOT/ $1`; do
	echo "Processing $cpv"
	qfile -eR $ROOT `portageq contents $ROOT/ $cpv | xargs -r -L 1 "$0" --internal | sort -u` | cut -f1 -d' ' | sort -u
done

rm -f /tmp/try_dlopen