app-containers/lxc: do not hardcode systemd paths

Use $(systemd_get_systemunitdir) instead of hardcoding paths.

Thanks to Arfrever for pointing this out.

Signed-off-by: Matthias Maier <tamiko@gentoo.org>

1 files changed, 160 insertions, 0 deletions

diff --git a/app-containers/lxc/lxc-5.0.0-r1.ebuild b/app-containers/lxc/lxc-5.0.0-r1.ebuild
new file mode 100644
index 000000000000..1ab8d12bf9d6
--- /dev/null
+++ b/app-containers/lxc/lxc-5.0.0-r1.ebuild
@@ -0,0 +1,160 @@
+# Copyright 2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit bash-completion-r1 linux-info meson optfeature systemd verify-sig
+
+DESCRIPTION="A userspace interface for the Linux kernel containment features"
+HOMEPAGE="https://linuxcontainers.org/ https://github.com/lxc/lxc"
+SRC_URI="https://linuxcontainers.org/downloads/lxc/${P}.tar.gz
+	verify-sig? ( https://linuxcontainers.org/downloads/lxc/${P}.tar.gz.asc )"
+
+LICENSE="GPL-2 LGPL-2.1 LGPL-3"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64 ~ppc64 ~riscv ~x86"
+IUSE="apparmor +caps examples io-uring man pam seccomp selinux ssl systemd test +tools verify-sig"
+
+RDEPEND="acct-group/lxc
+	acct-user/lxc
+	apparmor? ( sys-libs/libapparmor )
+	caps? ( sys-libs/libcap[static-libs] )
+	io-uring? ( >=sys-libs/liburing-2:= )
+	pam? ( sys-libs/pam )
+	seccomp? ( sys-libs/libseccomp )
+	selinux? ( sys-libs/libselinux )
+	ssl? ( dev-libs/openssl:0= )
+	systemd? ( sys-apps/systemd )
+	tools? ( sys-libs/libcap[static-libs] )"
+DEPEND="${RDEPEND}
+	sys-kernel/linux-headers"
+BDEPEND="virtual/pkgconfig
+	man? ( app-text/docbook2X )
+	verify-sig? ( sec-keys/openpgp-keys-linuxcontainers )"
+
+RESTRICT="!test? ( test )"
+
+CONFIG_CHECK="~!NETPRIO_CGROUP
+	~CGROUPS
+	~CGROUP_CPUACCT
+	~CGROUP_DEVICE
+	~CGROUP_FREEZER
+
+	~CGROUP_SCHED
+	~CPUSETS
+	~IPC_NS
+	~MACVLAN
+
+	~MEMCG
+	~NAMESPACES
+	~NET_NS
+	~PID_NS
+
+	~POSIX_MQUEUE
+	~USER_NS
+	~UTS_NS
+	~VETH"
+
+ERROR_CGROUP_FREEZER="CONFIG_CGROUP_FREEZER: needed to freeze containers"
+ERROR_MACVLAN="CONFIG_MACVLAN: needed for internal (inter-container) networking"
+ERROR_MEMCG="CONFIG_MEMCG: needed for memory resource control in containers"
+ERROR_NET_NS="CONFIG_NET_NS: needed for unshared network"
+ERROR_POSIX_MQUEUE="CONFIG_POSIX_MQUEUE: needed for lxc-execute command"
+ERROR_UTS_NS="CONFIG_UTS_NS: needed to unshare hostnames and uname info"
+ERROR_VETH="CONFIG_VETH: needed for internal (host-to-container) networking"
+
+VERIFY_SIG_OPENPGP_KEY_PATH=${BROOT}/usr/share/openpgp-keys/linuxcontainers.asc
+
+DOCS=( AUTHORS CONTRIBUTING MAINTAINERS README.md doc/FAQ.txt )
+
+PATCHES=( "${FILESDIR}"/lxc-5.0.0-dont-depend-on-static-libcap.patch
+	"${FILESDIR}"/${PN}-5.0.0-fix-strerror-r-char-p-musl.patch )
+
+pkg_setup() {
+	linux-info_pkg_setup
+}
+
+src_configure() {
+	local emesonargs=(
+		-Dcoverity-build=false
+		-Doss-fuzz=false
+
+		-Dcommands=true
+		-Dmemfd-rexec=true
+		-Dthread-safety=true
+
+		$(meson_use apparmor)
+		$(meson_use caps capabilities)
+		$(meson_use examples)
+		$(meson_use io-uring io-uring-event-loop)
+		$(meson_use man)
+		$(meson_use pam pam-cgroup)
+		$(meson_use seccomp)
+		$(meson_use selinux)
+		$(meson_use ssl openssl)
+		$(meson_use test tests)
+		$(meson_use tools)
+
+		-Ddata-path=/var/lib/lxc
+		-Ddoc-path=/usr/share/doc/${PF}
+		-Dlog-path=/var/log/lxc
+		-Drootfs-mount-path=/var/lib/lxc/rootfs
+		-Druntime-path=/run
+	)
+
+	if use systemd; then
+		local emesonargs+=( -Dinit-script="systemd" )
+	else
+		local emesonargs+=( -Dinit-script="sysvinit" )
+	fi
+
+	use tools && local emesonargs+=( -Dcapabilities=true )
+
+	meson_src_configure
+}
+
+src_install() {
+	meson_src_install
+
+	# The main bash-completion file will collide with lxd, need to relocate and update symlinks.
+	mkdir -p "${ED}"/$(get_bashcompdir) || die "Failed to create bashcompdir."
+
+	if use tools; then
+		bashcomp_alias lxc-start lxc-{attach,cgroup,copy,console,create,destroy,device,execute,freeze,info,monitor,snapshot,stop,unfreeze,usernsexec,wait}
+	else
+		bashcomp_alias lxc-start lxc-usernsexec
+	fi
+
+	keepdir /var/lib/cache/lxc /var/lib/lib/lxc
+
+	find "${ED}" -name '*.la' -delete -o -name '*.a' -delete || die
+
+	# Replace upstream sysvinit/systemd files.
+	if use systemd; then
+		rm -r "${D}$(systemd_get_systemunitdir)" || die "Failed to remove systemd lib dir"
+	else
+		rm "${ED}"/etc/init.d/lxc-{containers,net} || die "Failed to remove sysvinit scripts"
+	fi
+
+	newinitd "${FILESDIR}/${PN}.initd.8" ${PN}
+	systemd_newunit "${FILESDIR}"/lxc-monitord.service.5.0.0 lxc-monitord.service
+	systemd_newunit "${FILESDIR}"/lxc-net.service.5.0.0 lxc-net.service
+	systemd_newunit "${FILESDIR}"/lxc.service-5.0.0 lxc.service
+	systemd_newunit "${FILESDIR}"/lxc_at.service.5.0.0 "lxc@.service"
+
+	if ! use apparmor; then
+		sed -i '/lxc-apparmor-load/d' "${D}$(systemd_get_systemunitdir)/lxc.service" || die "Failed to remove apparmor references from lxc.service systemd unit."
+	fi
+}
+
+pkg_postinst() {
+	elog "Please refer to "
+	elog "https://wiki.gentoo.org/wiki/LXC for introduction and usage guide."
+	elog
+	elog "Run 'lxc-checkconfig' to see optional kernel features."
+	elog
+
+	optfeature "automatic template scripts" app-containers/lxc-templates
+	optfeature "Debian-based distribution container image support" dev-util/debootstrap
+	optfeature "snapshot & restore functionality" sys-process/criu
+}