#!/bin/bash

INSTALLED_SETS="$(cut -d\@ -f2 < /var/lib/portage/world_sets)"

echo installed sets: $INSTALLED_SETS

DEFAULT_LOCATION="/etc/portage/sets/"

SET_LOCATIONS="$(grep location -rh /etc/portage/repos.conf | sed -e "s/location = \(.*\)$/\1\/sets/") $DEFAULT_LOCATION"
#echo all setlocations: $SET_LOCATIONS
for location in $SET_LOCATIONS ; do
  if [[ ! -d $location ]] ; then continue ; fi
  for setlocation in $location/* ; do
#    echo testing $setlocation
    setname=$(basename $setlocation)
    if echo $INSTALLED_SETS | grep -qw $setname ; then
      echo installed: $setlocation
      INSTALLEDSETLOCATION="${INSTALLEDSETLOCATION} ${setlocation}"
    fi
  done
done

INSTALLEDSETLOCATION="${INSTALLEDSETLOCATION} /var/lib/portage/world"

echo installed setfiles: $INSTALLEDSETLOCATION
echo
echo
for SET in $INSTALLEDSETLOCATION ; do
  #echo looking for $1 in $SET
  grep -H $1 $SET | grep -v ":#"
done