# Copyright 1999-2009 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/media-video/vdr/vdr-1.6.0-r1.ebuild,v 1.5 2009/01/12 13:23:01 zzam Exp $

inherit eutils flag-o-matic multilib

# Switches supported by extensions-patch
EXT_PATCH_FLAGS="atsc cmdsubmenu cutterlimit cutterqueue cuttime ddepgentry
	dolbyinrec dvbplayer dvbsetup dvdarchive dvdchapjump graphtft hardlinkcutter iptv
	jumpplay liemikuutio lnbshare mainmenuhooks menuorg noepg osdmaxitems pinplugin
	rotor settime setup sortrecords sourcecaps livebuffer
	ttxtsubs timercmd timerinfo validinput yaepg
	syncearly dvlfriendlyfnames dvlrecscriptaddon dvlvidprefer
	volctrl wareagleicon lircsettings deltimeshiftrec"

IUSE="debug vanilla dxr3 ${EXT_PATCH_FLAGS}"

EXT_V="56"
EXT_P=VDR-Extensions-Patch-${EXT_V}
EXT_DIR=${WORKDIR}/${EXT_P}/
# Set if != $PV
#EXT_VDR_PV=1.5.12

DESCRIPTION="Video Disk Recorder - turns a pc into a powerful set top box for DVB"
HOMEPAGE="http://www.cadsoft.de/vdr/"
SRC_URI="ftp://ftp.cadsoft.de/vdr/${P}.tar.bz2
	http://www.zulu-entertainment.de/files/patches/${EXT_P}.tar.bz2"

KEYWORDS="~amd64 ~ppc ~x86"
SLOT="0"
LICENSE="GPL-2"

COMMON_DEPEND="media-libs/jpeg
	sys-libs/libcap
	>=media-libs/fontconfig-2.4.2
	>=media-libs/freetype-2
	sys-devel/gettext"

DEPEND="${COMMON_DEPEND}
	media-tv/linuxtv-dvb-headers
	dev-util/unifdef"

RDEPEND="${COMMON_DEPEND}
	dev-lang/perl
	>=media-tv/gentoo-vdr-scripts-0.4.2
	media-fonts/corefonts"

# pull in vdr-setup to get the xml files, else menu will not work
PDEPEND="setup? ( >=media-plugins/vdr-setup-0.3.1-r1 )"

CONF_DIR=/etc/vdr
CAP_FILE=${S}/capabilities.sh
CAPS="# Capabilities of the vdr-executable for use by startscript etc."

pkg_setup() {
	check_menu_flags

	use debug && append-flags -g
	PLUGIN_LIBDIR="/usr/$(get_libdir)/vdr/plugins"
}

check_menu_flags() {
	if use menuorg && use setup; then
		echo
		eerror "Please use only one of this USE-Flags"
		eerror "\tmenuorg setup"
		die "multiple menu manipulation"
	fi
}

add_cap() {
	local arg
	for arg; do
		CAPS="${CAPS}\n${arg}=1"
	done
}

enable_patch() {
	local arg ARG_UPPER
	for arg; do
		ARG_UPPER=$(echo $arg|tr '[:lower:]' '[:upper:]')
		echo "${ARG_UPPER} = 1" >> Make.config
	done
}

extensions_add_make_conf()
{
	# copy all ifdef for extensions-patch to Make.config
	sed -e '1,/need to touch the following:/d' \
		-e '/ifdef DVBDIR/,/^$/d' \
		Make.config.template >> Make.config
}

extensions_all_defines() {
	# extract all possible settings for extensions-patch
	sed -e '/^#\?[A-Z].*= 1/!d' -e 's/^#\?//' -e 's/ .*//' \
		Make.config.template \
		| sort \
		| tr '[:upper:]' '[:lower:]'
}

extensions_all_defines_unset() {
	# extract all possible settings for extensions-patch
	# and convert them to -U... for unifdef
	sed -e '/^#\?[A-Z].*= 1/!d' -e 's/^#\?/-UUSE_/' -e 's/ .*//' \
		Make.config.template \
		| tr '\n' ' '
}

do_unifdef() {
	ebegin "Unifdef sources"
	local mf="Makefile.get"
	cat <<'EOT' > $mf
include Makefile
show_def:
	@echo $(DEFINES)
show_src_files:
	@echo $(OBJS:%.o=%.c)
EOT

	local DEFINES=$(extensions_all_defines_unset)

	local RAW_DEFINES=$(make -f "$mf" show_def)
	local VDR_SRC_FILES=$(make -f "$mf" show_src_files)
	local KEEP_FILES=""
	rm "$mf"

	local def
	for def in $RAW_DEFINES; do
		case "${def}" in
			-DUSE*)
				DEFINES="${DEFINES} ${def}"
				;;
		esac
	done

	local f
	for f in *.c; do

		# Removing the src files the Makefile does not use for compiling vdr
		if ! has $f ${VDR_SRC_FILES} ${KEEP_FILES}; then
			rm -f ${f} ${f%.c}.h
			continue
		fi

		unifdef ${DEFINES} "$f" > "tmp.$f"
		mv "tmp.$f" "$f"
	done
	for f in *.h; do
		unifdef ${DEFINES} "$f" > "tmp.$f"
		mv "tmp.$f" "$f"
		[[ -s $f ]] || rm "$f"
	done
	eend 0
}

src_unpack() {

	unpack ${A}

	cd "${S}"
	epatch "${FILESDIR}"/vdr-dvb-api-5-is-fine.diff

	ebegin "Changing pathes for gentoo"

	sed \
	  -e 's-ConfigDirectory = VideoDirectory;-ConfigDirectory = CONFDIR;-' \
	  -i vdr.c

	cat > Make.config <<-EOT
		#
		# Generated by ebuild ${PF}
		#
		PREFIX			= /usr
		DVBDIR			= /usr/include
		PLUGINLIBDIR	= ${PLUGIN_LIBDIR}
		CONFDIR			= ${CONF_DIR}
		VIDEODIR		= /var/vdr/video
		LOCDIR			= \$(PREFIX)/share/vdr/locale

		DEFINES			+= -DCONFDIR=\"\$(CONFDIR)\"

	EOT
	eend 0

	epatch "${FILESDIR}"/vdr-1.6.0-makefile-install-header.diff
	if use dxr3; then
		einfo "Applying dxr3 subtitle hack"
		epatch "${FILESDIR}"/vdr-1.6.0-dxr3-subtitlehack.diff
	fi

	sed -i i18n-to-gettext.pl \
		-e '/MSGIDBUGS/s/""/"automatically created from i18n.c by vdr-plugin.eclass <vdr\\@gentoo.org>"/'

	# Do not install runvdr script and plugins
	sed -i Makefile \
		-e 's/runvdr//' \
		-e 's/ install-plugins//'

	if ! use vanilla; then

		cd "${S}"
		# Now apply extensions patch
		local fname="${PN}-${EXT_VDR_PV:-${PV}}_extensions.diff"
		epatch "${EXT_DIR}/${fname}"

		# other gentoo patches
		# epatch "${FILESDIR}/..."

		# This allows us to start even if some plugin does not exist
		# or is not loadable.
		enable_patch PLUGINMISSING

		# Patch necessary for media-plugins/vdr-reelchannelscan
		# it does not change anything when plugin is not used
		enable_patch CHANNELSCAN

		if [[ -n ${VDR_MAINTAINER_MODE} ]]; then
			einfo "Doing maintainer checks:"

			# these patches we do not support
			# (or have them already hard enabled)
			local IGNORE_PATCHES="channelscan pluginapi pluginmissing"

			extensions_all_defines > "${T}"/new.IUSE
			echo $EXT_PATCH_FLAGS $IGNORE_PATCHES|tr ' ' '\n' |sort > "${T}"/old.IUSE
			local DIFFS=$(diff -u "${T}"/old.IUSE "${T}"/new.IUSE|grep '^[+-][^+-]')
			if [[ -z ${DIFFS} ]]; then
				einfo "EXT_PATCH_FLAGS is up to date."
			else
				ewarn "IUSE differences!"
				local diff
				for diff in $DIFFS; do
					ewarn "$diff"
				done
			fi
		fi

		ebegin "Enabling selected patches"
		local flag
		for flag in $EXT_PATCH_FLAGS; do
			use $flag && enable_patch ${flag}
		done
		eend 0

		extensions_add_make_conf

		ebegin "Make depend"
		emake .dependencies >/dev/null
		eend $? "make depend failed"

		do_unifdef

		use iptv && sed -i sources.conf -e 's/^#P/P/'
	fi

	# apply local patches defined by variable VDR_LOCAL_PATCHES_DIR
	if test -n "${VDR_LOCAL_PATCHES_DIR}"; then
		local dir_tmp_var
		local LOCALPATCHES_SUBDIR=${PV}
		for dir_tmp_var in allversions-fallback ${PV%_p*} ${PV} ; do
			if [[ -d ${VDR_LOCAL_PATCHES_DIR}/${dir_tmp_var} ]]; then
				LOCALPATCHES_SUBDIR="${dir_tmp_var}"
			fi
		done

		echo
		if [[ ${LOCALPATCHES_SUBDIR} == ${PV} ]]; then
			einfo "Applying local patches"
		else
			einfo "Applying local patches (Using subdirectory: ${LOCALPATCHES_SUBDIR})"
		fi

		for LOCALPATCH in ${VDR_LOCAL_PATCHES_DIR}/${LOCALPATCHES_SUBDIR}/*.{diff,patch}; do
			test -f "${LOCALPATCH}" && epatch "${LOCALPATCH}"
		done
	fi

	if [[ -n "${VDRSOURCE_DIR}" ]]; then
		cp -r "${S}" "${T}"/source-tree
	fi

	add_cap CAP_UTF8

	add_cap CAP_IRCTRL_RUNTIME_PARAM \
			CAP_VFAT_RUNTIME_PARAM \
			CAP_CHUID \
			CAP_SHUTDOWN_AUTO_RETRY

	echo -e ${CAPS} > "${CAP_FILE}"
}

src_install() {
	# trick makefile not to create a videodir by supplying it with an existing
	# directory
	emake install DESTDIR="${D}" VIDEODIR="/" || die "emake install failed"

	keepdir "${CONF_DIR}"/plugins
	keepdir "${CONF_DIR}"/themes

	keepdir "${PLUGIN_LIBDIR}"

	exeinto /usr/share/vdr/bin
	doexe i18n-to-gettext.pl

	dohtml *.html
	dodoc MANUAL INSTALL README* HISTORY* CONTRIBUTORS

	cd "${EXT_DIR}"
	local f
	rm *vdr-1.4* 2>/dev/null
	for f in BUGS README* HISTORY* patch.list; do
		[[ -f ${f} ]] || break
		newdoc "${f}" "${f}".ExtensionsPatch || die "Could not install extensions-patch doc ${f}"
	done

	cd "${S}"

	insinto /usr/share/vdr
	doins "${CAP_FILE}"

	if [[ -n "${VDRSOURCE_DIR}" ]]; then
		einfo "Installing sources"
		insinto "${VDRSOURCE_DIR}/${P}"
		doins -r "${T}"/source-tree/*
		keepdir "${VDRSOURCE_DIR}/${P}"/PLUGINS/lib
	fi

	if use setup; then
		insinto /usr/share/vdr/setup
		doins "${S}"/menu.c
	fi
	chown -R vdr:vdr "${D}/${CONF_DIR}"
}

pkg_preinst() {
	has_version "<${CATEGORY}/${PN}-1.3.36-r3"
	previous_less_than_1_3_36_r3=$?
}

pkg_postinst() {
	elog "It is a good idea to run vdrplugin-rebuild now."
	if [[ $previous_less_than_1_3_36_r3 = 0 ]] ; then
		ewarn "Upgrade Info:"
		ewarn
		ewarn "If you had used the use-flags lirc, rcu or vfat"
		ewarn "then, you now have to enable the associated functionality"
		ewarn "in /etc/conf.d/vdr"
		ewarn
		ewarn "vfat is now set with VFAT_FILENAMES."
		ewarn "lirc/rcu are now set with IR_CTRL."
		ebeep
	fi

	if use setup; then
		if ! has_version media-plugins/vdr-setup || \
			! egrep -q '^setup$' "${ROOT}/etc/conf.d/vdr.plugins"; then

			echo
			ewarn "You have compiled media-video/vdr with USE=\"setup\""
			ewarn "It is very important to emerge media-plugins/vdr-setup now!"
			ewarn "and you have to loaded it in /etc/conf.d/vdr.plugins"
		fi
	fi

	local keysfound=0
	local key
	local warn_keys="JumpFwd JumpRew JumpFwdSlow JumpRewSlow"
	local remote_file="${ROOT}"/etc/vdr/remote.conf

	if [[ -e ${remote_file} ]]; then
		for key in ${warn_keys}; do
			if grep -q -i "\.${key} " "${remote_file}"; then
				keysfound=1
				break
			fi
		done
		if [[ ${keysfound} == 1 ]]; then
			ewarn "Your /etc/vdr/remote.conf contains keys which are no longer usable"
			ewarn "Please remove these keys or vdr will not start:"
			ewarn "#  ${warn_keys}"
		fi
	fi

	if use atsc; then
		ewarn "ATSC is only supported by a rudimentary patch"
		einfo "and need at least this patch and a plugin installed"
		einfo "emerge media-plugins/vdr-atscepg"
	fi
	elog "To get an idea how to proceed now, have a look at our vdr-guide:"
	elog "\thttp://www.gentoo.org/doc/en/vdr-guide.xml"
}