#!/bin/bash
if [[ $1 = *.ebuild ]]; then
  echo /usr/portage/$(pwd | sed 's:^.*/\([^/]*/[^/]*\):\1:')/$1
elif [[ $1 = *.eclass ]]; then
  echo /usr/portage/${PWD##*/}/$1
else
  echo Hmm, please change $0
fi