#!/bin/bash

function die() {
        exit ${1:-1}
}

function error() {
        echo "$@" >&2
        die 1
}

PORTAGEQ="/usr/bin/portageq"
[ -z "$( type -p $PORTAGEQ )" ] && error "portageq missing - Please merge sys-apps/portage"

SEARCHPATH="$( portageq vdb_path )"
[ -d "$SEARCHPATH" ] || unset SEARCHPATH
SEARCHPATH="${SEARCHPATH:-/var/db/pkg/}"

# We'll assume that the only packages containing "~x86" are going to be testing ones...
find "$SEARCHPATH" -name "*.ebuild" -type f | xargs grep "KEYWORDS=.*~x86" | \
sed "s|$SEARCHPATH|| ; s|^/||" | cut -d"/" -f1,2 | sort | uniq

exit $?