podman-4.5.0-r1.ebuild

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# Copyright 1999-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8
EGIT_COMMIT="75e3c12579d391b81d871fd1cded6cf0d043550a"

inherit shell-completion flag-o-matic go-module tmpfiles

DESCRIPTION="Library and podman tool for running OCI-based containers in Pods"
HOMEPAGE="https://github.com/containers/podman/ https://podman.io/"
MY_PN=podman
MY_P=${MY_PN}-${PV}
SRC_URI="https://github.com/containers/podman/archive/v${PV}.tar.gz -> ${MY_P}.tar.gz"
LICENSE="Apache-2.0 BSD BSD-2 CC-BY-SA-4.0 ISC MIT MPL-2.0"
SLOT="0"

KEYWORDS="~amd64 ~arm64 ~riscv"
IUSE="apparmor btrfs cgroup-hybrid +fuse +init +rootless selinux"
RESTRICT="test"

COMMON_DEPEND="
	app-crypt/gpgme:=
	>=app-containers/containers-common-0.56.0
	>=app-containers/conmon-2.0.0
	cgroup-hybrid? ( >=app-containers/runc-1.0.0_rc6  )
	!cgroup-hybrid? ( app-containers/crun )
	dev-libs/libassuan:=
	dev-libs/libgpg-error:=
	sys-apps/shadow:=
	sys-fs/lvm2
	sys-libs/libseccomp:=

	apparmor? ( sys-libs/libapparmor )
	btrfs? ( sys-fs/btrfs-progs )
	init? ( app-containers/catatonit )
	rootless? ( app-containers/slirp4netns )
	selinux? ( sys-libs/libselinux:= )
"
DEPEND="
	${COMMON_DEPEND}
	dev-go/go-md2man"
RDEPEND="${COMMON_DEPEND}
	fuse? ( sys-fs/fuse-overlayfs )
	selinux? ( sec-policy/selinux-podman )"

S=${WORKDIR}/${MY_P}

src_prepare() {
	default

	# Disable installation of python modules here, since those are
	# installed by separate ebuilds.
	local makefile_sed_args=(
		-e '/^GIT_.*/d'
		-e 's/$(GO) build/$(GO) build -v -work -x/'
		-e 's/^\(install:.*\) install\.python$/\1/'
		-e 's|^pkg/varlink/iopodman.go: .gopathok pkg/varlink/io.podman.varlink$|pkg/varlink/iopodman.go: pkg/varlink/io.podman.varlink|'
	)

	has_version -b '>=dev-lang/go-1.13.9' || makefile_sed_args+=(-e 's:GO111MODULE=off:GO111MODULE=on:')

	sed "${makefile_sed_args[@]}" -i Makefile || die
}

src_compile() {
	local git_commit=${EGIT_COMMIT}

	# Filter unsupported linker flags
	filter-flags '-Wl,*'

	[[ -f hack/apparmor_tag.sh ]] || die
	if use apparmor; then
		echo -e "#!/bin/sh\necho apparmor" > hack/apparmor_tag.sh || die
	else
		echo -e "#!/bin/sh\ntrue" > hack/apparmor_tag.sh || die
	fi

	[[ -f hack/btrfs_installed_tag.sh ]] || die
	if use btrfs; then
		echo -e "#!/bin/sh\ntrue" > hack/btrfs_installed_tag.sh || die
	else
		echo -e "#!/bin/sh\necho exclude_graphdriver_btrfs" > \
			hack/btrfs_installed_tag.sh || die
	fi

	[[ -f hack/selinux_tag.sh ]] || die
	if use selinux; then
		echo -e "#!/bin/sh\necho selinux" > hack/selinux_tag.sh || die
	else
		echo -e "#!/bin/sh\ntrue" > hack/selinux_tag.sh || die
	fi

	# Avoid this error when generating pkg/varlink/iopodman.go:
	# cannot find package "github.com/varlink/go/varlink/idl"
	mkdir -p _output || die
	ln -snf ../vendor _output/src || die
	GO111MODULE=off GOPATH=${PWD}/_output go generate ./pkg/varlink/... || die
	rm _output/src || die

	export -n GOCACHE GOPATH XDG_CACHE_HOME
	GOBIN="${S}/bin" \
		emake all \
			PREFIX="${EPREFIX}/usr" \
			GIT_BRANCH=master \
			GIT_BRANCH_CLEAN=master \
			COMMIT_NO="${git_commit}" \
			GIT_COMMIT="${git_commit}"
}

src_install() {
	emake DESTDIR="${D}" PREFIX="${EPREFIX}/usr" install

	insinto /etc/cni/net.d
	doins cni/87-podman-bridge.conflist

	newconfd "${FILESDIR}"/podman.confd podman
	newinitd "${FILESDIR}"/podman.initd podman

	insinto /etc/logrotate.d
	newins "${FILESDIR}/podman.logrotated" podman

	dobashcomp completions/bash/*
	dozshcomp completions/zsh/*
	dofishcomp completions/fish/*

	keepdir /var/lib/containers
}

pkg_preinst() {
	PODMAN_ROOTLESS_UPGRADE=false
	if use rootless; then
		has_version 'app-containers/podman[rootless]' || PODMAN_ROOTLESS_UPGRADE=true
	fi
}

pkg_postinst() {
	tmpfiles_process podman.conf

	local want_newline=false
	if [[ ${PODMAN_ROOTLESS_UPGRADE} == true ]] ; then
		${want_newline} && elog ""
		elog "For rootless operation, you need to configure subuid/subgid"
		elog "for user running podman. In case subuid/subgid has only been"
		elog "configured for root, run:"
		elog "usermod --add-subuids 1065536-1131071 <user>"
		elog "usermod --add-subgids 1065536-1131071 <user>"
		want_newline=true
	fi
}

Thank you!