add net-vpn/amneziawg-linux-kernel-module package

net-vpn/amneziawg-linux-kernel-module/Manifest

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+DIST amneziawg-linux-kernel-module-1.0.20240711.tar.gz 413963 BLAKE2B d34128d0ac5aaaabd9d4a96c8df21115d18d71c1065b911a0a5bb4fd2fc0bdbee877f8c21a8e7aa3f69420ea87fa2f4f797f0cab86e2fb9b4279a37d27871375 SHA512 0499fc3c29ceaa3e57611fd86c943e57b9621aa2db31f8fdafcfe0ff0dfaf5aa07381d462d9b194c8ea206f5eb9d1160976bfc6d0fdaf112b81b87ad3d391538
+EBUILD amneziawg-linux-kernel-module-1.0.20240711.ebuild 3443 BLAKE2B f3e1079b11abaf8a9fed9ac7dfc3cf510247386474c92ade0a554bc17772eadd8a41fda19e44cd2f1e7bb14041c929e8643011947c72f4bed50668349a412652 SHA512 4ab7a4b9e5df0e9f7fcb0825e1ce574dd00b7c2b367953ea335a3fee2c219a4770a7ffd204abb799ca2d4467be65a7fbb35e427b40735d4b5b6156296a8d87da

net-vpn/amneziawg-linux-kernel-module/amneziawg-linux-kernel-module-1.0.20240711.ebuild

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+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+MODULES_OPTIONAL_IUSE="module"
+inherit linux-mod-r1
+
+DESCRIPTION="AmneziaWG kernel module"
+HOMEPAGE="https://github.com/amnezia-vpn/amneziawg-linux-kernel-module"
+
+if [[ ${PV} == 9999 ]]; then
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/amnezia-vpn/amneziawg-linux-kernel-module.git"
+else
+	SRC_URI="https://github.com/amnezia-vpn/${PN}/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz"
+	# Please don't stabilize this package. Stable users should use gentoo-sources 5.4 or 5.10.
+	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sparc ~x86"
+fi
+
+LICENSE="GPL-2"
+SLOT="0"
+IUSE="debug +module module-src"
+
+CONFIG_CHECK="NET INET NET_UDP_TUNNEL CRYPTO_ALGAPI"
+
+pkg_setup() {
+	if use module; then
+		linux-mod-r1_pkg_setup
+		if [[ -f $KERNEL_DIR/include/uapi/linux/wireguard.h ]]; then
+			eerror
+			eerror "WireGuard has been merged upstream into this kernel. Therefore,"
+			eerror "you no longer need this compatibility ebuild. Instead, simply"
+			eerror "enable CONFIG_WIREGUARD=y in your kernel configuration."
+			eerror
+			die "Use CONFIG_WIREGUARD=y for this kernel, and do not use this package."
+		elif kernel_is -lt 3 10 0 || kernel_is -ge 5 6 0; then
+			die "This version of ${PN} requires Linux >= 3.10 and < 5.6."
+		fi
+	fi
+}
+
+src_compile() {
+	local modlist=( amneziawg=net:src::module )
+	local modargs=(
+		KERNELDIR=${KV_OUT_DIR}
+	)
+	use debug && modargs+=( CONFIG_WIREGUARD_DEBUG=y )
+	use module && linux-mod-r1_src_compile
+}
+
+src_install() {
+	use module && linux-mod-r1_src_install
+	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
+
+	if use module; then
+		linux-mod-r1_pkg_postinst
+		local old new
+		if [[ $(uname -r) != "${KV_FULL}" ]]; then
+			ewarn
+			ewarn "You have just built AmneziaWG for kernel ${KV_FULL}, yet the currently running"
+			ewarn "kernel is $(uname -r). If you intend to use this AmneziaWG module on the currently"
+			ewarn "running machine, you will first need to reboot it into the kernel ${KV_FULL}, for"
+			ewarn "which this module was built."
+			ewarn
+		elif [[ -f /sys/module/amneziawg/version ]] && \
+		     old="$(< /sys/module/amneziawg/version)" && \
+		     new="$(modinfo -F version "${ROOT}/lib/modules/${KV_FULL}/net/amneziawg.ko" 2>/dev/null)" && \
+		     [[ $old != "$new" ]]; then
+			ewarn
+			ewarn "You appear to have just upgraded AmneziaWG 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 amneziawg"
+			ewarn "    # modprobe amneziawg"
+			ewarn
+			ewarn "Do note that doing this will remove current AmneziaWG interfaces, so you may want"
+			ewarn "to gracefully remove them yourself prior."
+			ewarn
+		fi
+	fi
+}