app-containers/containerd: Sync with Gentoo

It's from Gentoo commit 3a006a481cd0cf65f34fd58d1d842efb6200101c.

sdk_container/src/third_party/portage-stable/app-containers/containerd/Manifest

@@ -1,2 +1,3 @@
 DIST containerd-2.0.2.tar.gz 10379986 BLAKE2B aee39f749f056965b899f6525bebe00d46b72b6c437efbd01ed890c5ae9c5d812464bc6d10e32aea20fd0c6df00d98cd30502dd73f9a27b0d8d143a5542976d9 SHA512 86eb24acfa5d4d87ae396f8888e2484693823fad897a29f1a5ada78e2318640927cfcff1e85415bfd6c66f5417e582203eb94976d52e3dd373997e6e2cbae354
 DIST containerd-2.0.3.tar.gz 10450757 BLAKE2B 5dec56a40dc2874fb0b6fd4d72704f6417858eefd983c8ec5dfb2c9ef8be1e9e309cff83395e03c2d5fef30ed5c0561329ffbcd3dfba91e40d8017f7a605771b SHA512 9528a65d9d9f13d15d861f7ce71ab483958020bda83947d18868b477204e9e2e33eccc69280502c54b2be9ce577724e3e2b1772229c99636099b04bac1079ac1
+DIST containerd-2.0.4.tar.gz 10450939 BLAKE2B f82ed40eab0f1d186f4fb04217b8f75a9da8e33b1140c0b5866dcc61e17fe1040f31ef09bdb07ad98a52def5e9eb12cfeb635e96b2c5f64fdb4d8cfb6c84b885 SHA512 f84e0cc0b82313df010b95989faf56e81ebfbbc321585b968c8c706917b91a9f0d895692fa5046f24f1c370de7a74b50daf83da617fe0595e5a8ff69ed658727

sdk_container/src/third_party/portage-stable/app-containers/containerd/containerd-2.0.4.ebuild

@@ -0,0 +1,90 @@
+# Copyright 2022-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+inherit go-module systemd
+GIT_REVISION=06b99ca80cdbfbc6cc8bd567021738c9af2b36ce
+
+DESCRIPTION="A daemon to control runC"
+HOMEPAGE="https://containerd.io/"
+SRC_URI="https://github.com/containerd/containerd/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="Apache-2.0"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64 ~ppc64 ~riscv ~x86"
+IUSE="apparmor btrfs device-mapper +cri hardened +seccomp selinux test"
+
+COMMON_DEPEND="
+	btrfs? ( sys-fs/btrfs-progs )
+	seccomp? ( sys-libs/libseccomp )
+"
+
+DEPEND="
+${COMMON_DEPEND}
+"
+
+# recommended minimum version of runc is found in script/setup/runc-version
+RDEPEND="
+	${COMMON_DEPEND}
+	>=app-containers/runc-1.2.5[apparmor?,seccomp?]
+"
+
+BDEPEND="
+	dev-go/go-md2man
+	virtual/pkgconfig
+"
+
+# tests require root or docker
+RESTRICT+="test"
+
+src_prepare() {
+	default
+	sed -i \
+		-e "s/-s -w//" \
+		-e "s/-mod=readonly//" \
+		Makefile || die
+	sed -i \
+		-e "s:/usr/local:/usr:" \
+		containerd.service || die
+}
+
+src_compile() {
+	local options=(
+		$(usev apparmor)
+		$(usex btrfs "" "no_btrfs")
+		$(usex cri "" "no_cri")
+		$(usex device-mapper "" "no_devmapper")
+		$(usev seccomp)
+		$(usev selinux)
+	)
+
+	myemakeargs=(
+		BUILDTAGS="${options[*]}"
+		LDFLAGS="$(usex hardened '-extldflags -fno-PIC' '')"
+		REVISION="${GIT_REVISION}"
+		VERSION=v${PV}
+	)
+
+	# race condition in man target https://bugs.gentoo.org/765100
+	# we need to explicitly specify GOFLAGS for "go run" to use vendor source
+	emake "${myemakeargs[@]}" man -j1 #nowarn
+	emake "${myemakeargs[@]}" all
+
+}
+
+src_install() {
+	rm bin/gen-manpages || die
+	dobin bin/*
+	doman man/*
+	newconfd "${FILESDIR}"/${PN}.confd "${PN}"
+	newinitd "${FILESDIR}"/${PN}.initd "${PN}"
+	systemd_dounit containerd.service
+	keepdir /var/lib/containerd
+
+	# we already installed manpages, remove markdown source
+	# before installing docs directory
+	rm -r docs/man || die
+
+	local DOCS=( ADOPTERS.md README.md RELEASES.md ROADMAP.md SCOPE.md docs/. )
+	einstalldocs
+}