#!/bin/bash
#
# ewww 0.4
# author:  Christian Birchinger <joker@netswarm.net>
#
# Version for portage >=2.1 cache format
#

WEBBROWSER='browser'

#PORTDIR="`portageq portdir`"
PORTDIR='/usr/portage'

if [ -z "$1" ]; then
  echo -e "\nUsage: ${0##*/} [category/]application\n"
  exit
fi
string="$1"

if [[ "${string}" = */* ]]; then

  cachefile="/var/cache/edb/dep/${PORTDIR}/$(portageq best_visible / ${string})"
  
  if [ ! -f "${cachefile}" ]; then
    echo "No matches found."
    exit
  fi

  homepage="`grep '^HOMEPAGE=' ${cachefile} | cut -f2- -d=`"

  exec ${WEBBROWSER} "${homepage}"
  exit
fi

counter=0
emerge --nospinner -s ${string} | ( while read output; do
  if [ "${output:0:3}" = "*  " ]; then
    let counter++
    hits="${output##*\ } ${hits}"
  fi
  if [ "${output:0:9}" = "Homepage:" ]; then
    lasthp=${homepage}
    homepage="${output##*\ }"
    [ "${homepage}" = "${lasthp}" ] && let counter--
  fi
done

if [ ${counter} = 0 ]; then
  echo "No matches found."
elif [ ${counter} = 1 ]; then
  exec ${WEBBROWSER} ${homepage}
else
   echo "Multiple matches found: ${hits}"
   echo "Be more specific."
fi
)