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

EAPI=8

inherit autotools linux-info systemd

DESCRIPTION="NFS client and server daemons"
HOMEPAGE="http://linux-nfs.org/ https://git.linux-nfs.org/?p=steved/nfs-utils.git"

if [[ ${PV} == *_rc* ]] ; then
	MY_PV="$(ver_rs 1- -)"
	SRC_URI="http://git.linux-nfs.org/?p=steved/nfs-utils.git;a=snapshot;h=refs/tags/${PN}-${MY_PV};sf=tgz -> ${P}.tar.gz"
	S="${WORKDIR}/${PN}-${PN}-${MY_PV}"
else
	SRC_URI="mirror://sourceforge/nfs/${P}.tar.bz2"
	KEYWORDS="~alpha amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc x86"
fi

LICENSE="GPL-2"
SLOT="0"
IUSE="caps junction kerberos ldap +libmount nfsdcld +nfsidmap +nfsv4 nfsv41 sasl selinux tcpd +uuid"
REQUIRED_USE="kerberos? ( nfsv4 )"
# bug #315573
RESTRICT="test"

# kth-krb doesn't provide the right include
# files, and nfs-utils doesn't build against heimdal either,
# so don't depend on virtual/krb.
# (04 Feb 2005 agriffis)
COMMON_DEPEND="
	dev-libs/libxml2
	net-libs/libtirpc:=
	>=net-nds/rpcbind-0.2.4
	sys-fs/e2fsprogs
	dev-db/sqlite:3
	dev-libs/libevent:=
	caps? ( sys-libs/libcap )
	ldap? (
		net-nds/openldap:=
		sasl? (
			app-crypt/mit-krb5
			dev-libs/cyrus-sasl:2
		)
	)
	libmount? ( sys-apps/util-linux )
	nfsv4? (
		>=sys-apps/keyutils-1.5.9:=
		kerberos? (
			>=net-libs/libtirpc-0.2.4-r1[kerberos]
			app-crypt/mit-krb5
		)
	)
	nfsv41? (
		sys-fs/lvm2
	)
	tcpd? ( sys-apps/tcp-wrappers )
	uuid? ( sys-apps/util-linux )"
DEPEND="${COMMON_DEPEND}
	elibc_musl? ( sys-libs/queue-standalone )
"
RDEPEND="${COMMON_DEPEND}
	!net-libs/libnfsidmap
	selinux? (
		sec-policy/selinux-rpc
		sec-policy/selinux-rpcbind
	)
"
BDEPEND="
	net-libs/rpcsvc-proto
	virtual/pkgconfig
"

PATCHES=(
	"${FILESDIR}"/${PN}-2.5.2-no-werror.patch
)

pkg_setup() {
	linux-info_pkg_setup

	if use nfsv4 && ! use nfsdcld && linux_config_exists && ! linux_chkconfig_present CRYPTO_MD5 ; then
		ewarn "Your NFS server will be unable to track clients across server restarts!"
		ewarn "Please enable the \"${HILITE}nfsdcld${NORMAL}\" USE flag to install the nfsdcltrack usermode"
		ewarn "helper upcall program, or enable ${HILITE}CONFIG_CRYPTO_MD5${NORMAL} in your kernel to"
		ewarn "support the legacy, in-kernel client tracker."
	fi
}

src_prepare() {
	default

	sed \
		-e "/^sbindir/s:= := \"${EPREFIX}\":g" \
		-i utils/*/Makefile.am || die

	eautoreconf
}

src_configure() {
	# Our DEPEND forces this.
	export libsqlite3_cv_is_recent=yes
	export ac_cv_header_keyutils_h=$(usex nfsidmap)

	# SASL is consumed in a purely automagic way
	export ac_cv_header_sasl_h=no
	export ac_cv_header_sasl_sasl_h=$(usex sasl)

	local myeconfargs=(
		--disable-static
		--with-statedir="${EPREFIX}"/var/lib/nfs
		--enable-tirpc
		--with-tirpcinclude="${ESYSROOT}"/usr/include/tirpc/
		--with-pluginpath="${EPREFIX}"/usr/$(get_libdir)/libnfsidmap
		--with-rpcgen
		--with-systemd="$(systemd_get_systemunitdir)"
		--without-gssglue
		$(use_enable caps)
		--enable-ipv6
		$(use_enable junction)
		$(use_enable kerberos gss)
		$(use_enable kerberos svcgss)
		$(use_enable ldap)
		$(use_enable libmount libmount-mount)
		$(use_enable nfsdcld nfsdcltrack)
		$(use_enable nfsv4)
		$(use_enable nfsv41)
		$(use_enable uuid)
		$(use_with tcpd tcp-wrappers)
		# XXX: Remove this hack after 2.6.3
		# See bug #904718.
		# Patch: https://git.linux-nfs.org/?p=steved/nfs-utils.git;a=commit;h=bc4a5deef9f820c55fdac3c0070364c17cd91cca
		LIBS="-lsqlite3 -levent_core"
	)
	econf "${myeconfargs[@]}"
}

src_compile() {
	# Remove compiled files bundled in the tarball
	emake clean

	default
}

src_install() {
	default
	rm linux-nfs/Makefile* || die
	dodoc -r linux-nfs README

	# Don't overwrite existing xtab/etab, install the original
	# versions somewhere safe...  more info in pkg_postinst
	keepdir /var/lib/nfs/{,sm,sm.bak}
	mv "${ED}"/var/lib/nfs "${ED}"/usr/$(get_libdir)/ || die

	# Install some client-side binaries in /sbin
	dodir /sbin
	mv "${ED}"/usr/sbin/rpc.statd "${ED}"/sbin/ || die

	if use nfsv4 && use nfsidmap ; then
		insinto /etc
		doins support/nfsidmap/idmapd.conf

		# Install a config file for idmappers in newer kernels. bug #415625
		insinto /etc/request-key.d
		echo 'create id_resolver * * /usr/sbin/nfsidmap -t 600 %k %d' > id_resolver.conf
		doins id_resolver.conf
	fi

	insinto /etc
	doins "${FILESDIR}"/exports
	keepdir /etc/exports.d

	local f list=() opt_need=""
	if use nfsv4 ; then
		opt_need="rpc.idmapd"
		list+=( rpc.idmapd rpc.pipefs )
		use kerberos && list+=( rpc.gssd rpc.svcgssd )
	fi
	for f in nfs nfsclient rpc.statd "${list[@]}" ; do
		newinitd "${FILESDIR}"/${f}.initd ${f}
	done

	# Nuke after 2015/08/01
	newinitd "${FILESDIR}"/nfsmount.initd-1.3.1 nfsmount
	for f in nfs nfsclient ; do
		newconfd "${FILESDIR}"/${f}.confd ${f}
	done

	# bug #234132
	sed -i \
		-e "/^NFS_NEEDED_SERVICES=/s:=.*:=\"${opt_need}\":" \
		"${ED}"/etc/conf.d/nfs || die

	local systemd_systemunitdir="$(systemd_get_systemunitdir)"
	sed -i \
		-e 's:/usr/sbin/rpc.statd:/sbin/rpc.statd:' \
		"${ED}${systemd_systemunitdir}"/* || die

	# bug #368505
	keepdir /var/lib/nfs
	# bug #603628
	keepdir /var/lib/nfs/v4recovery

	# No static archives
	find "${ED}" -name '*.la' -delete || die
}

pkg_postinst() {
	# Install default xtab and friends if there's none existing.  In
	# src_install we put them in /usr/lib/nfs for safe-keeping, but
	# the daemons actually use the files in /var/lib/nfs.  #30486
	local f
	for f in "${EROOT}"/usr/$(get_libdir)/nfs/*; do
		[[ -e ${EROOT}/var/lib/nfs/${f##*/} ]] && continue
		einfo "Copying default ${f##*/} from ${EPREFIX}/usr/$(get_libdir)/nfs to ${EPREFIX}/var/lib/nfs"
		cp -pPR "${f}" "${EROOT}"/var/lib/nfs/
	done

	if systemd_is_booted; then
		for v in ${REPLACING_VERSIONS}; do
			if ver_test "${v}" -lt 1.3.0; then
				ewarn "We have switched to upstream systemd unit files. Since"
				ewarn "they got renamed, you should probably enable the new ones."
				ewarn "You can run 'equery files nfs-utils | grep systemd'"
				ewarn "to know what services you need to enable now."
			fi
		done
	else
		ewarn "If you use OpenRC, the nfsmount service has been replaced with nfsclient."
		ewarn "If you were using nfsmount, please add nfsclient and netmount to the"
		ewarn "same runlevel as nfsmount."
	fi
}