net-firewall/nftables: don't enable service by default

Fixes: https://bugs.gentoo.org/676290

Package-Manager: Portage-2.3.51, Repoman-2.3.12
Signed-off-by: Matthew Thode <[email protected]>

net-firewall/nftables/nftables-0.9.0-r4.ebuild

@@ -0,0 +1,97 @@
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+inherit autotools linux-info systemd
+
+DESCRIPTION="Linux kernel (3.13+) firewall, NAT and packet mangling tools"
+HOMEPAGE="https://netfilter.org/projects/nftables/"
+SRC_URI="https://git.netfilter.org/nftables/snapshot/v${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~ia64 ~x86"
+IUSE="debug doc +gmp json +modern_kernel +readline"
+
+RDEPEND=">=net-libs/libmnl-1.0.3:0=
+	gmp? ( dev-libs/gmp:0= )
+	json? ( dev-libs/jansson )
+	readline? ( sys-libs/readline:0= )
+	>=net-libs/libnftnl-1.1.1:0="
+
+DEPEND="${RDEPEND}
+	>=app-text/docbook2X-0.8.8-r4
+	doc? ( >=app-text/dblatex-0.3.7 )
+	sys-devel/bison
+	sys-devel/flex
+	virtual/pkgconfig"
+
+S="${WORKDIR}/v${PV}"
+
+pkg_setup() {
+	if kernel_is ge 3 13; then
+		if use modern_kernel && kernel_is lt 3 18; then
+			eerror "The modern_kernel USE flag requires kernel version 3.18 or newer to work properly."
+		fi
+		CONFIG_CHECK="~NF_TABLES"
+		linux-info_pkg_setup
+	else
+		eerror "This package requires kernel version 3.13 or newer to work properly."
+	fi
+}
+
+src_prepare() {
+	default
+	eautoreconf
+}
+
+src_configure() {
+	local myeconfargs=(
+		--sbindir="${EPREFIX}"/sbin
+		$(use_enable debug)
+		$(use_enable doc pdf-doc)
+		$(use_with !gmp mini_gmp)
+		$(use_with json)
+		$(use_with readline cli)
+	)
+	econf "${myeconfargs[@]}"
+}
+
+src_install() {
+	default
+
+	local mksuffix=""
+	use modern_kernel && mksuffix="-mk"
+
+	exeinto /usr/libexec/${PN}
+	newexe "${FILESDIR}"/libexec/${PN}${mksuffix}.sh ${PN}.sh
+	newconfd "${FILESDIR}"/${PN}${mksuffix}.confd ${PN}
+	newinitd "${FILESDIR}"/${PN}${mksuffix}.init ${PN}
+	keepdir /var/lib/nftables
+
+	systemd_dounit "${FILESDIR}"/systemd/${PN}-restore.service
+
+	docinto /usr/share/doc/${PF}/skels
+	dodoc "${D}"/etc/nftables/*
+	rm -R "${D}"/etc/nftables
+}
+
+pkg_postinst() {
+	local save_file
+	save_file="${EROOT%/}/var/lib/nftables/rules-save"
+
+	# In order for the nftables-restore systemd service to start
+	# the save_file must exist.
+	if [[ ! -f ${save_file} ]]; then
+		touch ${save_file}
+	fi
+
+	elog "If you wish to enable the firewall rules on boot (on systemd) you"
+	elog "will need to enable the nftables-restore service."
+	elog "    'systemd_enable_service basic.target ${PN}-restore.service'"
+	elog
+	elog "If you are creating firewall rules before the next system restart "
+	elog "the nftables-restore service must be manually started in order to "
+	elog "save those rules on shutdown."
+}