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# Copyright 1999-2019 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI="7"

PYTHON_COMPAT=( python2_7 )
PYTHON_REQ_USE="gdbm"

inherit autotools eutils flag-o-matic multilib multilib-minimal mono-env python-r1 systemd user

DESCRIPTION="System which facilitates service discovery on a local network"
HOMEPAGE="http://avahi.org/"
SRC_URI="https://github.com/lathiat/avahi/archive/v${PV}.tar.gz -> ${P}.tar.gz"

LICENSE="LGPL-2.1"
SLOT="0"
KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sparc ~x86"
IUSE="autoipd bookmarks dbus doc gdbm gtk gtk3 howl-compat +introspection ipv6 kernel_linux mdnsresponder-compat mono nls python qt5 selinux systemd test"
RESTRICT="!test? ( test )"

REQUIRED_USE="
	python? ( dbus gdbm ${PYTHON_REQUIRED_USE} )
	mono? ( dbus )
	howl-compat? ( dbus )
	mdnsresponder-compat? ( dbus )
	systemd? ( dbus )
"

COMMON_DEPEND="
	dev-libs/libdaemon
	dev-libs/expat
	dev-libs/glib:2[${MULTILIB_USEDEP}]
	gdbm? ( sys-libs/gdbm:=[${MULTILIB_USEDEP}] )
	qt5? ( dev-qt/qtcore:5 )
	gtk? ( x11-libs/gtk+:2[${MULTILIB_USEDEP}] )
	gtk3? ( x11-libs/gtk+:3[${MULTILIB_USEDEP}] )
	dbus? ( sys-apps/dbus[${MULTILIB_USEDEP}] )
	kernel_linux? ( sys-libs/libcap )
	introspection? ( dev-libs/gobject-introspection:= )
	mono? (
		dev-lang/mono
		gtk? ( dev-dotnet/gtk-sharp:2 )
	)
	python? (
		${PYTHON_DEPS}
		dbus? ( dev-python/dbus-python[${PYTHON_USEDEP}] )
		introspection? ( dev-python/pygobject:3[${PYTHON_USEDEP}] )
	)
	bookmarks? (
		${PYTHON_DEPS}
		>=dev-python/twisted-16.0.0[${PYTHON_USEDEP}]
	)
"

DEPEND="
	${COMMON_DEPEND}
	dev-util/glib-utils
	doc? ( app-doc/doxygen )
	app-doc/xmltoman
	dev-util/intltool
	virtual/pkgconfig[${MULTILIB_USEDEP}]
"

RDEPEND="
	${COMMON_DEPEND}
	howl-compat? ( !net-misc/howl )
	mdnsresponder-compat? ( !net-misc/mDNSResponder )
	selinux? ( sec-policy/selinux-avahi )
"

MULTILIB_WRAPPED_HEADERS=( /usr/include/avahi-qt5/qt-watch.h )

PATCHES=(
	"${FILESDIR}/${P}-qt5.patch"
	"${FILESDIR}/${P}-CVE-2017-6519.patch"
)

pkg_preinst() {
	enewgroup netdev
	enewgroup avahi
	enewuser avahi -1 -1 -1 avahi

	if use autoipd; then
		enewgroup avahi-autoipd
		enewuser avahi-autoipd -1 -1 -1 avahi-autoipd
	fi
}

pkg_setup() {
	use mono && mono-env_pkg_setup
}

src_prepare() {
	default

	if ! use ipv6; then
		sed -i \
			-e s/use-ipv6=yes/use-ipv6=no/ \
			avahi-daemon/avahi-daemon.conf || die
	fi

	sed -i\
		-e "s:\\.\\./\\.\\./\\.\\./doc/avahi-docs/html/:../../../doc/${PF}/html/:" \
		doxygen_to_devhelp.xsl || die

	# Prevent .pyc files in DESTDIR
	>py-compile

	eautoreconf

	# bundled manpages
	multilib_copy_sources
}

src_configure() {
	# those steps should be done once-per-ebuild rather than per-ABI
	use sh && replace-flags -O? -O0
	use python && python_setup

	multilib-minimal_src_configure
}

multilib_src_configure() {
	local myconf=( --disable-static )

	if use python; then
		myconf+=(
			$(multilib_native_use_enable dbus python-dbus)
			$(multilib_native_use_enable introspection pygobject)
		)
	fi

	if use mono; then
		myconf+=( $(multilib_native_use_enable doc monodoc) )
	fi

	if ! multilib_is_native_abi; then
		myconf+=(
			# used by daemons only
			--disable-libdaemon
			--with-xml=none
		)
	fi

	myconf+=( $(multilib_native_use_enable qt5) )

	econf \
		--localstatedir="${EPREFIX}/var" \
		--with-distro=gentoo \
		--disable-python-dbus \
		--enable-manpages \
		--enable-xmltoman \
		--disable-monodoc \
		--enable-glib \
		--enable-gobject \
		$(multilib_native_use_enable test tests) \
		$(multilib_native_use_enable autoipd) \
		$(use_enable mdnsresponder-compat compat-libdns_sd) \
		$(use_enable howl-compat compat-howl) \
		$(multilib_native_use_enable doc doxygen-doc) \
		$(multilib_native_use_enable mono) \
		$(use_enable dbus) \
		$(multilib_native_use_enable python) \
		$(use_enable gtk) \
		$(use_enable gtk3) \
		$(use_enable nls) \
		$(multilib_native_use_enable introspection) \
		--disable-qt3 \
		--disable-qt4 \
		$(use_enable gdbm) \
		--with-systemdsystemunitdir="$(systemd_get_systemunitdir)" \
		"${myconf[@]}"
}

multilib_src_compile() {
	emake

	multilib_is_native_abi && use doc && emake avahi.devhelp
}

multilib_src_install() {
	emake install DESTDIR="${D}"
	use bookmarks && use python && use dbus && use gtk || \
		rm -f "${ED}"/usr/bin/avahi-bookmarks

	# https://github.com/lathiat/avahi/issues/28
	use howl-compat && dosym avahi-compat-howl.pc /usr/$(get_libdir)/pkgconfig/howl.pc
	use mdnsresponder-compat && dosym avahi-compat-libdns_sd/dns_sd.h /usr/include/dns_sd.h

	if multilib_is_native_abi && use doc; then
		docinto html
		dodoc -r doxygen/html/.
		insinto /usr/share/devhelp/books/avahi
		doins avahi.devhelp || die
	fi

	# The build system creates an empty "/run" directory, so we clean it up here
	rmdir "${ED}"/run
}

multilib_src_install_all() {
	if use autoipd; then
		insinto /lib/rcscripts/net
		doins "${FILESDIR}"/autoipd.sh

		insinto /lib/netifrc/net
		newins "${FILESDIR}"/autoipd-openrc.sh autoipd.sh
	fi

	dodoc docs/{AUTHORS,NEWS,README,TODO}

	prune_libtool_files --all
}

pkg_postinst() {
	if use autoipd; then
		elog
		elog "To use avahi-autoipd to configure your interfaces with IPv4LL (RFC3927)"
		elog "addresses, just set config_<interface>=( autoipd ) in /etc/conf.d/net!"
		elog
	fi
}