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# Copyright 1999-2018 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

EAPI=6

PYTHON_COMPAT=( python3_{4,5,6} )

inherit cmake-utils python-single-r1 readme.gentoo-r1 systemd user

GTEST_VER="ba96d0b1161f540656efdaed035b3c062b60e006" # 1.8.0 is too old, but newer version not released yet
GTEST_URL="https://github.com/google/googletest/archive/${GTEST_VER}.tar.gz -> gtest-${GTEST_VER}.tar.gz"
DESCRIPTION="An advanced IRC Bouncer"

if [[ ${PV} == *9999* ]]; then
	inherit git-r3
	EGIT_REPO_URI=${EGIT_REPO_URI:-"https://github.com/znc/znc.git"}
	SRC_URI=""
else
	MY_PV=${PV/_/-}
	MY_P=${PN}-${MY_PV}
	SRC_URI="
		https://znc.in/releases/archive/${MY_P}.tar.gz
		test? ( ${GTEST_URL} )
	"
	KEYWORDS="amd64 arm x86"
	S=${WORKDIR}/${MY_P}
fi

HOMEPAGE="https://znc.in"
LICENSE="Apache-2.0"
SLOT="0"
IUSE="+ipv6 +icu libressl nls perl python +ssl sasl tcl test +zlib"

REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} icu )"

RDEPEND="
	icu? ( dev-libs/icu:= )
	nls? ( dev-libs/boost:=[nls] )
	perl? ( >=dev-lang/perl-5.10:= )
	python? ( ${PYTHON_DEPS} )
	sasl? ( >=dev-libs/cyrus-sasl-2 )
	ssl? (
		!libressl? ( dev-libs/openssl:0= )
		libressl? ( dev-libs/libressl:0= )
	)
	tcl? ( dev-lang/tcl:0= )
	zlib? ( sys-libs/zlib:0= )
"
DEPEND="
	${RDEPEND}
	virtual/pkgconfig
	nls? ( sys-devel/gettext )
	perl? ( >=dev-lang/swig-3.0.0 )
	python? ( >=dev-lang/swig-3.0.0 )
	test? ( dev-qt/qtnetwork:5 )
"

PATCHES=( "${FILESDIR}"/${PN}-1.7.1-inttest-dir.patch )

pkg_setup() {
	if use python; then
		python-single-r1_pkg_setup
	fi

	enewgroup ${PN}
	enewuser ${PN} -1 -1 /var/lib/${PN} ${PN}
	# The home directory was previously set to /dev/null
	# This caused a bug with the systemd unit
	# https://bugs.gentoo.org/521916
	esethome ${PN} /var/lib/${PN}
}

src_prepare() {
	# Let SWIG rebuild modperl/modpython to make user patching easier.
	if [[ ${PV} != *9999* ]]; then
		rm modules/modperl/generated.tar.gz || die
		rm modules/modpython/generated.tar.gz || die
	fi

	sed -i -e "s|DZNC_BIN_DIR:path=|DZNC_BIN_DIR:path=${T}/inttest|" \
		test/CMakeLists.txt || die

	cmake-utils_src_prepare
}

src_configure() {
	local mycmakeargs=(
		-DWANT_SYSTEMD=yes  # Causes -DSYSTEMD_DIR to be used.
		-DSYSTEMD_DIR="$(systemd_get_systemunitdir)"
		-DWANT_ICU="$(usex icu)"
		-DWANT_IPV6="$(usex ipv6)"
		-DWANT_I18N="$(usex nls)"
		-DWANT_PERL="$(usex perl)"
		-DWANT_PYTHON="$(usex python)"
		-DWANT_CYRUS="$(usex sasl)"
		-DWANT_OPENSSL="$(usex ssl)"
		-DWANT_TCL="$(usex tcl)"
		-DWANT_ZLIB="$(usex zlib)"
	)

	if [[ ${PV} != *9999* ]] && use test; then
		export GTEST_ROOT="${WORKDIR}/googletest-${GTEST_VER}/googletest"
		export GMOCK_ROOT="${WORKDIR}/googletest-${GTEST_VER}/googlemock"
	fi

	cmake-utils_src_configure
}

src_test() {
	cmake-utils_src_make unittest
	if has network-sandbox ${FEATURES}; then
		cmake-utils_src_make install DESTDIR="${T}/inttest"
		local filter='-'
		if ! use perl; then
			filter="${filter}:ZNCTest.Modperl*"
		fi
		if ! use python; then
			filter="${filter}:ZNCTest.Modpython*"
		fi
		# CMAKE_PREFIX_PATH and CXXFLAGS are needed for znc-buildmod
		# invocations from inside the test
		GTEST_FILTER="${filter}" ZNC_UNUSUAL_ROOT="${T}/inttest" \
			CMAKE_PREFIX_PATH="${T}/inttest/usr/share/znc/cmake" \
			CXXFLAGS="${CXXFLAGS} -isystem ${T}/inttest/usr/include" \
			cmake-utils_src_make inttest
	else
		# TODO: don't require sandbox after
		# https://github.com/znc/znc/pull/1363 is implemented
		ewarn "FEATURES=-network-sandbox; skipping integration tests which"
		ewarn "temporary open local ports."
	fi
}

src_install() {
	cmake-utils_src_install

	dodoc NOTICE
	newinitd "${FILESDIR}"/znc.initd-r2 znc
	newconfd "${FILESDIR}"/znc.confd-r1 znc

	DOC_CONTENTS=$(<"${FILESDIR}/README.gentoo-r1") || die
	DISABLE_AUTOFORMATTING=1
	readme.gentoo_create_doc
}

pkg_postinst() {
	if [[ -z "${REPLACING_VERSIONS}" ]]; then
		# This is a new installation
		readme.gentoo_print_elog
	fi

	if [[ -d "${EROOT%/}"/etc/znc ]]; then
		ewarn "${EROOT%/}/etc/znc exists on your system."
		ewarn "Due to the nature of the contents of that folder,"
		ewarn "we have changed the default configuration to use"
		ewarn "	${EROOT%/}/var/lib/znc"
		ewarn "please move ${EROOT%/}/etc/znc to ${EROOT%/}/var/lib/znc"
		ewarn "or adjust your service configuration."
	fi
}

pkg_config() {
	if [[ -e "${EROOT%/}/var/lib/znc" ]]; then
		ewarn "${EROOT%/}/var/lib/znc already exists, aborting to avoid damaging"
		ewarn "any existing configuration. If you are sure you want"
		ewarn "to generate a new configuration, remove the folder"
		ewarn "and try again."
	else
		einfo "Press enter to interactively create a new configuration file for znc."
		einfo "To abort, press Control-C"
		read
		mkdir -p "${EROOT%/}/var/lib/znc" || die
		chown -R ${PN}:${PN} "${EROOT%/}/var/lib/znc" ||
			die "Setting permissions failed"
		start-stop-daemon --start --user ${PN}:${PN} --env ZNC_NO_LAUNCH_AFTER_MAKECONF=1 \
			"${EROOT%/}"/usr/bin/znc -- --makeconf --datadir "${EROOT%/}/var/lib/znc" ||
			die "Config failed"
		einfo
		einfo "You can now start the znc service using the init system of your choice."
		einfo "Don't forget to enable it if you want to use znc at boot."
	fi
}