#!/bin/sh
#
# Copyright 2008, 2013-2014, 2017 Jonas Smedegaard <dr@jones.dk>
# Description: helper script to update architecture-specific hints
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
# 02111-1307 USA.
#
# Depends: libwww-perl

set -e

pkgsuite="$(dpkg-parsechangelog -S Distribution)"
case "$pkgsuite" in
	experimental) suite=unstable,experimental;;
	UNRELEASED|'') suite=unstable;;
	*-*) suite="$(echo "$suite" | sed -e 's/-.*//')";;
	*) suite="$pkgsuite";;
esac
[ "$pkgsuite" = "$suite" ] || echo >&2 "WARNING: using suite \"$suite\"."

pkgarchs() {
	echo >&2 "INFO: Query Debian for package \"$1\" architectures..."
	GET "https://qa.debian.org/madison.php?package=$1&table=debian&s=$suite&text=on" \
		| perl -MList::Util=uniq -F'\|\s*' \
		-E 'for (split(/[,\s]+/, pop @F)) {' \
			-E 'next if ($_ eq "source");' \
			-E '$_ = "any" if ($_ eq "all");' \
			-E 'push @a, $_};' \
		-E 'END{if (@a) {say join(" ", uniq sort @a)} else {say "none"}}'
}

for lib in directfb; do
	pkgarchs "lib$lib-dev" > "debian/ARCHS_$lib"
	export "ARCHS_$lib=$(cat debian/ARCHS_$lib)"
	perl -pi \
		-e "s/\blib$lib-dev(\s*\([^\)]*\))?\K[^,]*,/ [\$ENV{'ARCHS_$lib'}],/;" \
		debian/control
done