From 15b4fd5c67d3161e6bb34c06507bd3e266ef2877 Mon Sep 17 00:00:00 2001
From: Georgy Yakovlev <gyakovlev@gentoo.org>
Date: Fri, 31 May 2019 20:09:59 -0700
Subject: [PATCH 2/2] net-vpn/wireguard: explicitly pass SYSTEMDUNITDIR

Closes: https://bugs.gentoo.org/687110
Package-Manager: Portage-2.3.67, Repoman-2.3.13
Signed-off-by: Georgy Yakovlev <gyakovlev@gentoo.org>
---
 .../wireguard-0.0.20190406-r1.ebuild          | 146 ++++++++++++++++++
 .../wireguard/wireguard-0.0.20190406.ebuild   |   3 +-
 2 files changed, 148 insertions(+), 1 deletion(-)
 create mode 100644 net-vpn/wireguard/wireguard-0.0.20190406-r1.ebuild

diff --git a/net-vpn/wireguard/wireguard-0.0.20190406-r1.ebuild b/net-vpn/wireguard/wireguard-0.0.20190406-r1.ebuild
new file mode 100644
index 00000000000..4c03ea32448
--- /dev/null
+++ b/net-vpn/wireguard/wireguard-0.0.20190406-r1.ebuild
@@ -0,0 +1,146 @@
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+MODULES_OPTIONAL_USE="module"
+inherit linux-mod bash-completion-r1 systemd
+
+DESCRIPTION="Simple yet fast and modern VPN that utilizes state-of-the-art cryptography."
+HOMEPAGE="https://www.wireguard.com/"
+
+if [[ ${PV} == 9999 ]]; then
+	inherit git-r3
+	EGIT_REPO_URI="https://git.zx2c4.com/WireGuard"
+	KEYWORDS=""
+else
+	SRC_URI="https://git.zx2c4.com/WireGuard/snapshot/WireGuard-${PV}.tar.xz"
+	S="${WORKDIR}/WireGuard-${PV}"
+	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86"
+fi
+
+LICENSE="GPL-2"
+SLOT="0"
+IUSE="debug +module +tools module-src"
+
+DEPEND="tools? ( net-libs/libmnl )"
+RDEPEND="${DEPEND}"
+
+MODULE_NAMES="wireguard(kernel/drivers/net:src)"
+BUILD_TARGETS="module"
+CONFIG_CHECK="NET INET NET_UDP_TUNNEL CRYPTO_BLKCIPHER"
+
+wg_quick_optional_config_nob() {
+	CONFIG_CHECK="$CONFIG_CHECK ~$1"
+	declare -g ERROR_$1="CONFIG_$1: This option is required for automatic routing of default routes inside of wg-quick(8), though it is not required for general WireGuard usage."
+}
+
+pkg_setup() {
+	if use module; then
+		if use tools; then
+			wg_quick_optional_config_nob IP_ADVANCED_ROUTER
+			wg_quick_optional_config_nob IP_MULTIPLE_TABLES
+			wg_quick_optional_config_nob NETFILTER_XT_MARK
+		fi
+
+		linux-mod_pkg_setup
+		kernel_is -lt 3 10 0 && die "This version of ${PN} requires Linux >= 3.10"
+	fi
+}
+
+src_compile() {
+	BUILD_PARAMS="KERNELDIR=${KERNEL_DIR}"
+	use debug && BUILD_PARAMS="CONFIG_WIREGUARD_DEBUG=y ${BUILD_PARAMS}"
+	use module && linux-mod_src_compile
+	use tools && emake RUNSTATEDIR="${EPREFIX}/run" -C src/tools CC="$(tc-getCC)" LD="$(tc-getLD)"
+}
+
+src_install() {
+	use module && linux-mod_src_install
+	if use tools; then
+		dodoc README.md
+		dodoc -r contrib/examples
+		emake \
+			WITH_BASHCOMPLETION=yes \
+			WITH_SYSTEMDUNITS=yes \
+			WITH_WGQUICK=yes \
+			DESTDIR="${D}" \
+			BASHCOMPDIR="$(get_bashcompdir)" \
+			PREFIX="${EPREFIX}/usr" \
+			SYSTEMDUNITDIR="$(systemd_get_systemunitdir)" \
+			-C src/tools install
+	fi
+	use module-src && emake DESTDIR="${D}" PREFIX="${EPREFIX}/usr" -C src dkms-install
+}
+
+pkg_postinst() {
+	if use module-src && ! use module; then
+		einfo
+		einfo "You have enabled the module-src USE flag without the module USE"
+		einfo "flag. This means that sources are installed to"
+		einfo "${ROOT}usr/src/wireguard instead of having the"
+		einfo "kernel module compiled. You will need to compile the module"
+		einfo "yourself. Most likely, you don't want this USE flag, and should"
+		einfo "rather use USE=module"
+		einfo
+	fi
+	use module && linux-mod_pkg_postinst
+
+	einfo
+	einfo "This software is experimental and has not yet been released."
+	einfo "As such, it may contain significant issues. Please do not file"
+	einfo "bug reports with Gentoo, but rather direct them upstream to:"
+	einfo
+	einfo "    team@wireguard.com    security@wireguard.com"
+	einfo
+
+	if use tools; then
+		einfo
+		einfo "After installing WireGuard, if you'd like to try sending some packets through"
+		einfo "WireGuard, you may use, for testing purposes only, the insecure client.sh"
+		einfo "test example script:"
+		einfo
+		einfo "  \$ bzcat ${ROOT}usr/share/doc/${PF}/examples/ncat-client-server/client.sh.bz2 | sudo bash -"
+		einfo
+		einfo "This will automatically setup interface wg0, through a very insecure transport"
+		einfo "that is only suitable for demonstration purposes. You can then try loading the"
+		einfo "hidden website or sending pings:"
+		einfo
+		einfo "  \$ chromium http://192.168.4.1"
+		einfo "  \$ ping 192.168.4.1"
+		einfo
+		einfo "If you'd like to redirect your internet traffic, you can run it with the"
+		einfo "\"default-route\" argument. You may not use this server for any abusive or illegal"
+		einfo "purposes. It is for quick testing only."
+		einfo
+		einfo "More info on getting started can be found at: https://www.wireguard.com/quickstart/"
+		einfo
+	fi
+	if use module; then
+		local old new
+		if [[ $(uname -r) != "${KV_FULL}" ]]; then
+			ewarn
+			ewarn "You have just built WireGuard for kernel ${KV_FULL}, yet the currently running"
+			ewarn "kernel is $(uname -r). If you intend to use this WireGuard module on the currently"
+			ewarn "running machine, you will first need to reboot it into the kernel ${KV_FULL}, for"
+			ewarn "which this module was built."
+			ewarn
+		elif [[ -f /sys/module/wireguard/version ]] && \
+		     old="$(< /sys/module/wireguard/version)" && \
+		     new="$(modinfo -F version "${ROOT}/lib/modules/${KV_FULL}/net/wireguard.ko" 2>/dev/null)" && \
+		     [[ $old != "$new" ]]; then
+			ewarn
+			ewarn "You appear to have just upgraded WireGuard from version v$old to v$new."
+			ewarn "However, the old version is still running on your system. In order to use the"
+			ewarn "new version, you will need to remove the old module and load the new one. As"
+			ewarn "root, you can accomplish this with the following commands:"
+			ewarn
+			ewarn "    # rmmod wireguard"
+			ewarn "    # modprobe wireguard"
+			ewarn
+			ewarn "Do note that doing this will remove current WireGuard interfaces, so you may want"
+			ewarn "to gracefully remove them yourself prior."
+			ewarn
+		fi
+	fi
+}
diff --git a/net-vpn/wireguard/wireguard-0.0.20190406.ebuild b/net-vpn/wireguard/wireguard-0.0.20190406.ebuild
index e4113ef8fb9..4c03ea32448 100644
--- a/net-vpn/wireguard/wireguard-0.0.20190406.ebuild
+++ b/net-vpn/wireguard/wireguard-0.0.20190406.ebuild
@@ -4,7 +4,7 @@
 EAPI=6
 
 MODULES_OPTIONAL_USE="module"
-inherit linux-mod bash-completion-r1
+inherit linux-mod bash-completion-r1 systemd
 
 DESCRIPTION="Simple yet fast and modern VPN that utilizes state-of-the-art cryptography."
 HOMEPAGE="https://www.wireguard.com/"
@@ -67,6 +67,7 @@ src_install() {
 			DESTDIR="${D}" \
 			BASHCOMPDIR="$(get_bashcompdir)" \
 			PREFIX="${EPREFIX}/usr" \
+			SYSTEMDUNITDIR="$(systemd_get_systemunitdir)" \
 			-C src/tools install
 	fi
 	use module-src && emake DESTDIR="${D}" PREFIX="${EPREFIX}/usr" -C src dkms-install
-- 
2.21.0