# Copyright 1999-2016 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$

EAPI=6

COMMIT="2e8cbabaa9196e1c52dadd4945cf7f75c8e348ce"

DESCRIPTION="Digital TV scan tables"
HOMEPAGE="https://git.linuxtv.org/cgit.cgi/dtv-scan-tables.git/"
SRC_URI="https://git.linuxtv.org/cgit.cgi/dtv-scan-tables.git/snapshot/${COMMIT}.tar.xz -> ${P}.tar.xz"

LICENSE="LGPL-2.1"
SLOT="0"
KEYWORDS="~amd64 ~x86"

DTV_DELIVERY_SYSTEMS_V3="atsc dvb-c dvb-s dvb-t"
DTV_DELIVERY_SYSTEMS_V5="isdb-t"
DTV_DELIVERY_SYSTEMS="${DTV_DELIVERY_SYSTEMS_V3} ${DTV_DELIVERY_SYSTEMS_V5}"
DTV_COUNTRIES="ad ar at au ax be bg br ca ch cn co cz de dk ee es fi fr gr hk hr hu ie il ir ir is it lt lu lv nl no nz pl pt ro ru se si sk tw ua ug uk us vn"

for system in ${DTV_DELIVERY_SYSTEMS[@]}; do IUSE="${IUSE} dtv_delivery_systems_${system}"; done
for country in ${DTV_COUNTRIES[@]}; do IUSE="${IUSE} dtv_countries_${country}"; done

DEPEND="media-tv/v4l-utils"

S=${WORKDIR}/${COMMIT}

src_prepare() {
	default

	local my_delivery_systems system
	for system in ${DTV_DELIVERY_SYSTEMS_V3[@]}; do
		use dtv_delivery_systems_${system} && my_delivery_systems+="${my_delivery_systems} ${system}"
	done
	sed -i "s:DVBV3DIRS = .*:DVBV3DIRS = ${my_delivery_systems}:" Makefile || die
	for system in ${DTV_DELIVERY_SYSTEMS_V5[@]}; do
		use dtv_delivery_systems_${system} && my_delivery_systems+="${my_delivery_systems} ${system}"
	done
	sed -i "s:DVBV5DIRS = .*:DVBV5DIRS = ${my_delivery_systems}:" Makefile || die
	
	[[ -z ${my_delivery_systems} ]] && die "No DTV_DELIVERY_SYSTEMS set"
	
	local my_countries country
	for country in ${DTV_COUNTRIES[@]}; do
		if ! use dtv_countries_${country}; then
			find -name ${country}-* -exec rm {} \; || die
		else
			my_countries+="${my_countries} ${country}"
		fi
	done
	
	local scan_file_count=0
	for system in ${my_delivery_systems[@]}; do
		scan_file_count+=$(find ${system} -type f | wc -l)
	done
	[[ ${scan_file_count} -eq 0 ]] &&
		die "No scan files for DTV_DELIVERY_SYSTEMS=\"${my_delivery_systems## }\" and DTV_COUNTRIES=\"${my_countries## }\""
}	

src_install() {
	PREFIX="${D}"/usr emake install
}