#!/bin/sh
#
# set -x

#	author:	Toralf Foerster, Hamburg, Germany

#	category
C=$1

cd /usr/portage || exit 1
[[ -d $C ]] || exit 2

#	result file for this category
L=$HOME/$C.BadHomepages.txt
rm -f $L

#	loop over all packages of the category
for P in $C/*
do
	#	get all _different_ home pages from all ebuilds of this package
	grep "^HOMEPAGE=\"http://" $P/*.ebuild 2>/dev/null |\
	grep -v '{' | cut -f3- -d '/' | sed 's/"//g' | sort -u |\
	while read H
	do
 		wget --spider --quiet --no-check-certificate --connect-timeout 20 --timeout 10 --tries=2 --user-agent=foo.bar $H -O /dev/null
		[[ $? -ne 0 ]] && grep -H "^HOMEPAGE=\"http://$H" $P/*.ebuild >> $L
	done
done