sys-fs/lxcfs: new package

It's from Gentoo commit 91137d52c4f6307b512c6f447236bc75e8f8b3ec.

Signed-off-by: Mathieu Tortuyaux <mtortuyaux@microsoft.com>

sdk_container/src/third_party/portage-stable/sys-fs/lxcfs/Manifest

@@ -0,0 +1,6 @@
+DIST lxcfs-5.0.4.tar.gz 104249 BLAKE2B 83a7b861136c34da8a24dd525fd0767193f2bbd92b40e3b9fd5e42d7645465411792e65e95797ab13b33330299d12b19bdd5786352875ed88ac0097b72b711a9 SHA512 b404045dbabe23e1d1f1d74c1648d2596bb70aaa9f9e46f9f5635b0a02d0c451f68b2559920bbefc5b889e908cf1da0a33c148b26bdce3e45c3d0cbdff710604
+DIST lxcfs-5.0.4.tar.gz.asc 833 BLAKE2B aff883d24b374b296ea3678670e5e82c723fd0e35cfd7fed555aabbd811a104becc0b741331b4aa4a5129c9fff4dc88c6a86e7d64a89fe86aea81718f5d432dd SHA512 56b639597dbaf3008fe030147ea37192bd465c467a79e11ce139bcaa6bca1625b4bb9c4eda6ea1877446769f0fad9b4c5a3513d4f4415b841db96d5da8325ddc
+DIST lxcfs-6.0.3.tar.gz 106684 BLAKE2B 358033df95b52c6b04f5f622eb89e1f62f4f86098d9478b2643c83c3b62c5a6d1429c34b37b7d6241b522ec1d0ec8f8922c01a990cfb75b0b022b00720ded1d3 SHA512 c32941ccdba5906f5542b393077ea6cad9d5cd83eab38692c22614c19fec4f0fe95d3428ae7a49f6e9e9e1879db3479a2a09f37755d2c45c8230b099986eec2d
+DIST lxcfs-6.0.3.tar.gz.asc 833 BLAKE2B 202b5539f5d4621e0d2071aaa861976af801a6c5c49bf921acd9015923bf8201178273aa79d7b69b51d7fa1abb0112a4960452e86d7d340b752b2f8d4bb2c559 SHA512 dd27747d56cddb6e0057232a9a451f5d08d812aa73fe70633d31ce38d650dcbdda3e6f195aad3d591dd4ba3ad7cdf658b0bb1ce55b660d26d315ad598d44a74e
+DIST lxcfs-6.0.4.tar.gz 106751 BLAKE2B 4f05cb5e31ed1f313eeb42ac7cc9e68031011af363992e9d15266d7c831fb83078821a42181142cb58418dc87b6ae71ccd79559e0c77c19b5810cb2f5dde98ab SHA512 27e27dd14e3ab6d6f33b78f3316d1d15ccdb5af76fd3631770fe8ff4e1d1a3cc6d7a8009a604660fccc63e4fa5f1601c6505f66ab76c11dcfcddd3baf7ff173b
+DIST lxcfs-6.0.4.tar.gz.asc 833 BLAKE2B 71d552694273e6b3fbeaa4fd2a07ad783ca66824fa7fef69ba79a343b65e57295a702efe580c17e77c6fdb3f79364e98206a099ef3ac99b1d1238178cd343e20 SHA512 fecc002f39f841f3ffbfd7c543cdfed61b9276e962a75230b2962a36bbef04f5444481bb1409ba38ed8f619d0887313f1cc84389f64755d6168c017f68bbaeb2

sdk_container/src/third_party/portage-stable/sys-fs/lxcfs/files/lxcfs-5.0.2.confd

@@ -0,0 +1,8 @@
+# /etc/conf.d/lxcfs: config file for /etc/init.d/lxcfs
+
+# lxcfs options:
+# -l == calculate container load average instead of displaying host load average
+# -u == don't display swap usage to containers
+
+LXCFS_OPTS="-l -u"
+LXCFS_PATH="/var/lib/lxcfs"

sdk_container/src/third_party/portage-stable/sys-fs/lxcfs/files/lxcfs-5.0.2.initd

@@ -0,0 +1,27 @@
+#!/sbin/openrc-run
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+DAEMON=/usr/bin/lxcfs
+PIDFILE=/run/lxcfs.pid
+
+start() {
+	ebegin "Starting lxcfs."
+	/sbin/modprobe -q fuse
+	install -d "${LXCFS_PATH}"
+	start-stop-daemon --start \
+			--pidfile ${PIDFILE} \
+			--exec ${DAEMON} \
+			--background \
+			--make-pidfile \
+			-- ${LXCFS_OPTS} \
+			"${LXCFS_PATH}"
+	eend ${?}
+}
+
+stop() {
+	ebegin "Stopping lxcfs."
+	/usr/bin/fusermount3 -u "${LXCFS_PATH}"
+	start-stop-daemon --stop --quiet -R TERM/45 -p ${PIDFILE}
+	eend ${?}
+}

sdk_container/src/third_party/portage-stable/sys-fs/lxcfs/files/lxcfs-5.0.2.service

@@ -0,0 +1,18 @@
+[Unit]
+Description=FUSE filesystem for LXC
+ConditionVirtualization=!container
+Before=lxc.service
+Documentation=man:lxcfs(1)
+
+[Service]
+ExecStartPre=/sbin/modprobe -q fuse
+ExecStartPre=install -d /var/lib/lxcfs
+ExecStart=/usr/bin/lxcfs /var/lib/lxcfs
+KillMode=process
+Restart=on-failure
+ExecStopPost=-/usr/bin/fusermount3 -u /var/lib/lxcfs
+Delegate=yes
+ExecReload=/bin/kill -USR1 ${MAINPID}
+
+[Install]
+WantedBy=multi-user.target

sdk_container/src/third_party/portage-stable/sys-fs/lxcfs/files/lxcfs-5.0.4-fix-incompatible-pointer-conversion.patch

@@ -0,0 +1,19 @@
+Bug: https://bugs.gentoo.org/894348
+Upstream PR: https://github.com/lxc/lxcfs/pull/610
+--- a/src/proc_loadavg.c
++++ b/src/proc_loadavg.c
+@@ -603,12 +603,12 @@ pthread_t load_daemon(int load_use)
+ 
+ 	ret = init_load();
+ 	if (ret == -1)
+-		return log_error(0, "Initialize hash_table fails in load_daemon!");
++		return (pthread_t) log_error(0, "Initialize hash_table fails in load_daemon!");
+ 
+ 	ret = pthread_create(&pid, NULL, load_begin, NULL);
+ 	if (ret != 0) {
+ 		load_free();
+-		return log_error(0, "Create pthread fails in load_daemon!");
++		return (pthread_t) log_error(0, "Create pthread fails in load_daemon!");
+ 	}
+ 
+ 	/* use loadavg, here loadavg = 1*/

sdk_container/src/third_party/portage-stable/sys-fs/lxcfs/lxcfs-5.0.4-r2.ebuild

@@ -0,0 +1,84 @@
+# Copyright 2022-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..12} )
+
+inherit cmake meson python-any-r1 systemd verify-sig
+
+DESCRIPTION="FUSE filesystem for LXC"
+HOMEPAGE="https://linuxcontainers.org/lxcfs/introduction/ https://github.com/lxc/lxcfs/"
+SRC_URI="https://linuxcontainers.org/downloads/lxcfs/${P}.tar.gz
+	verify-sig? ( https://linuxcontainers.org/downloads/lxcfs/${P}.tar.gz.asc )"
+
+LICENSE="Apache-2.0 LGPL-2+"
+SLOT="0"
+KEYWORDS="amd64 ~arm64 ~riscv ~x86"
+IUSE="doc test"
+
+DEPEND="sys-fs/fuse:3="
+RDEPEND="${DEPEND}"
+BDEPEND="${PYTHON_DEPS}
+	virtual/pkgconfig
+	$(python_gen_any_dep '
+		dev-python/jinja2[${PYTHON_USEDEP}]
+	')
+	doc? ( sys-apps/help2man )
+	verify-sig? ( sec-keys/openpgp-keys-linuxcontainers )"
+
+# Needs some black magic to work inside container/chroot.
+RESTRICT="test"
+
+VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/linuxcontainers.asc
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-5.0.4-fix-incompatible-pointer-conversion.patch
+)
+
+python_check_deps() {
+	python_has_version -b "dev-python/jinja2[${PYTHON_USEDEP}]"
+}
+
+pkg_setup() {
+	python-any-r1_pkg_setup
+}
+
+src_prepare() {
+	default
+
+	# Fix python shebangs for python-exec[-native-symlinks], #851480
+	local shebangs=($(grep -rl "#!/usr/bin/env python3" || die))
+	python_fix_shebang -q ${shebangs[*]}
+}
+
+src_configure() {
+	local emesonargs=(
+		--localstatedir "${EPREFIX}/var"
+
+		$(meson_use doc docs)
+		$(meson_use test tests)
+
+		-Dfuse-version=3
+		-Dinit-script=""
+		-Dwith-init-script=""
+	)
+
+	meson_src_configure
+}
+
+src_test() {
+	cd "${BUILD_DIR}"/tests || die "failed to change into tests/ directory."
+	./main.sh || die
+}
+
+src_install() {
+	meson_src_install
+
+	newconfd "${FILESDIR}"/lxcfs-5.0.2.confd lxcfs
+	newinitd "${FILESDIR}"/lxcfs-5.0.2.initd lxcfs
+
+	# Provide our own service file (copy of upstream) due to paths being different from upstream,
+	# #728470
+	systemd_newunit "${FILESDIR}"/lxcfs-5.0.2.service lxcfs.service
+}

sdk_container/src/third_party/portage-stable/sys-fs/lxcfs/lxcfs-6.0.3-r1.ebuild

@@ -0,0 +1,80 @@
+# Copyright 2022-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..13} )
+
+inherit cmake meson python-any-r1 systemd verify-sig
+
+DESCRIPTION="FUSE filesystem for LXC"
+HOMEPAGE="https://linuxcontainers.org/lxcfs/introduction/ https://github.com/lxc/lxcfs/"
+SRC_URI="https://linuxcontainers.org/downloads/lxcfs/${P}.tar.gz
+	verify-sig? ( https://linuxcontainers.org/downloads/lxcfs/${P}.tar.gz.asc )"
+
+LICENSE="Apache-2.0 LGPL-2+"
+SLOT="0"
+KEYWORDS="amd64 ~arm64 ~riscv ~x86"
+IUSE="doc test"
+
+DEPEND="sys-fs/fuse:3="
+RDEPEND="${DEPEND}"
+BDEPEND="${PYTHON_DEPS}
+	virtual/pkgconfig
+	$(python_gen_any_dep '
+		dev-python/jinja2[${PYTHON_USEDEP}]
+	')
+	doc? ( sys-apps/help2man )
+	verify-sig? ( sec-keys/openpgp-keys-linuxcontainers )"
+
+# Needs some black magic to work inside container/chroot.
+RESTRICT="test"
+
+VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/linuxcontainers.asc
+
+python_check_deps() {
+	python_has_version -b "dev-python/jinja2[${PYTHON_USEDEP}]"
+}
+
+pkg_setup() {
+	python-any-r1_pkg_setup
+}
+
+src_prepare() {
+	default
+
+	# Fix python shebangs for python-exec[-native-symlinks], #851480
+	local shebangs=($(grep -rl "#!/usr/bin/env python3" || die))
+	python_fix_shebang -q ${shebangs[*]}
+}
+
+src_configure() {
+	local emesonargs=(
+		--localstatedir "${EPREFIX}/var"
+
+		$(meson_use doc docs)
+		$(meson_use test tests)
+
+		-Dfuse-version=3
+		-Dinit-script=""
+		-Dwith-init-script=""
+	)
+
+	meson_src_configure
+}
+
+src_test() {
+	cd "${BUILD_DIR}"/tests || die "failed to change into tests/ directory."
+	./main.sh || die
+}
+
+src_install() {
+	meson_src_install
+
+	newconfd "${FILESDIR}"/lxcfs-5.0.2.confd lxcfs
+	newinitd "${FILESDIR}"/lxcfs-5.0.2.initd lxcfs
+
+	# Provide our own service file (copy of upstream) due to paths being different from upstream,
+	# #728470
+	systemd_newunit "${FILESDIR}"/lxcfs-5.0.2.service lxcfs.service
+}

sdk_container/src/third_party/portage-stable/sys-fs/lxcfs/lxcfs-6.0.4.ebuild

@@ -0,0 +1,81 @@
+# Copyright 2022-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..13} )
+
+inherit cmake meson python-any-r1 systemd verify-sig
+
+DESCRIPTION="FUSE filesystem for LXC"
+HOMEPAGE="https://linuxcontainers.org/lxcfs/introduction/ https://github.com/lxc/lxcfs/"
+SRC_URI="https://linuxcontainers.org/downloads/lxcfs/${P}.tar.gz
+	verify-sig? ( https://linuxcontainers.org/downloads/lxcfs/${P}.tar.gz.asc )"
+
+LICENSE="Apache-2.0 LGPL-2+"
+SLOT="0"
+KEYWORDS="~amd64 ~arm64 ~riscv ~x86"
+IUSE="doc test"
+
+DEPEND="sys-fs/fuse:3="
+RDEPEND="${DEPEND}"
+BDEPEND="${PYTHON_DEPS}
+	virtual/pkgconfig
+	$(python_gen_any_dep '
+		dev-python/jinja2[${PYTHON_USEDEP}]
+	')
+	doc? ( sys-apps/help2man )
+	verify-sig? ( sec-keys/openpgp-keys-linuxcontainers )"
+
+# Needs some black magic to work inside container/chroot.
+RESTRICT="test"
+
+VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/linuxcontainers.asc
+
+python_check_deps() {
+	python_has_version -b "dev-python/jinja2[${PYTHON_USEDEP}]"
+}
+
+pkg_setup() {
+	python-any-r1_pkg_setup
+}
+
+src_prepare() {
+	default
+
+	# Fix python shebangs for python-exec[-native-symlinks], #851480
+	local shebangs=($(grep -rl "#!/usr/bin/env python3" || die))
+	python_fix_shebang -q ${shebangs[*]}
+}
+
+src_configure() {
+	local emesonargs=(
+		--localstatedir "${EPREFIX}/var"
+
+		$(meson_use doc docs)
+		$(meson_use test tests)
+
+		-Dfuse-version=3
+		-Dinit-script=""
+		-Dwith-init-script=""
+	)
+
+	meson_src_configure
+}
+
+src_test() {
+	cd "${BUILD_DIR}"/tests || die "failed to change into tests/ directory."
+	./main.sh || die
+}
+
+src_install() {
+	meson_src_install
+
+	newconfd "${FILESDIR}"/lxcfs-5.0.2.confd lxcfs
+	newinitd "${FILESDIR}"/lxcfs-5.0.2.initd lxcfs
+
+	# Provide our own service file (copy of upstream) due to paths being different from upstream,
+	# #728470
+	# https://github.com/lxc/lxcfs/tree/main/config/init
+	systemd_newunit "${FILESDIR}"/lxcfs-5.0.2.service lxcfs.service
+}

sdk_container/src/third_party/portage-stable/sys-fs/lxcfs/metadata.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<email>juippis@gentoo.org</email>
+		<name>Joonas Niilola</name>
+	</maintainer>
+	<maintainer type="project">
+		<email>virtualization@gentoo.org</email>
+		<name>Gentoo Virtualization Project</name>
+	</maintainer>
+	<longdescription>
+		LXCFS is a simple userspace filesystem designed to
+		provide a cgroupfs-like tree which is container aware
+		and a set of files which can be bind-mounted over
+		their /proc originals to provide cgroup-aware values.
+	</longdescription>
+	<upstream>
+		<remote-id type="github">lxc/lxfs</remote-id>
+		<remote-id type="cpe">cpe:/a:canonical:lxcfs</remote-id>
+	</upstream>
+</pkgmetadata>