sys-fs/zfs: rework live ebuild

major rework
bump eapi to 7
add multi-python pyzfs installation behind python useflag
use provided systemd unit, since upstream systemd handling changed
use upstream bash-completion (with local patch)
fix sed->zed typo in postinst code

Closes: https://bugs.gentoo.org/548856
Package-Manager: Portage-2.3.62, Repoman-2.3.12
Signed-off-by: Georgy Yakovlev <gyakovlev@gentoo.org>

sys-fs/zfs/files/bash-completion-sudo.patch

@@ -0,0 +1,35 @@
+From 3829d0b867f6aa4bde8798147dee74a86435d12c Mon Sep 17 00:00:00 2001
+From: Georgy Yakovlev <gyakovlev@gentoo.org>
+Date: Fri, 22 Mar 2019 22:04:40 -0700
+Subject: [PATCH] contrib/bash_completion.d/zfs: remove sudo reference
+
+---
+ contrib/bash_completion.d/zfs | 10 +++++-----
+ 1 file changed, 5 insertions(+), 5 deletions(-)
+
+diff --git a/contrib/bash_completion.d/zfs b/contrib/bash_completion.d/zfs
+index 914db43c..b1aded36 100644
+--- a/contrib/bash_completion.d/zfs
++++ b/contrib/bash_completion.d/zfs
+@@ -21,13 +21,13 @@
+ # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ # OTHER DEALINGS IN THE SOFTWARE.
+ 
+-if [[ -w /dev/zfs ]]; then
++#if [[ -w /dev/zfs ]]; then
+     __ZFS_CMD="zfs"
+     __ZPOOL_CMD="zpool"
+-else
+-    __ZFS_CMD="sudo zfs"
+-    __ZPOOL_CMD="sudo zpool"
+-fi
++#else
++#    __ZFS_CMD="sudo zfs"
++#    __ZPOOL_CMD="sudo zpool"
++#fi
+ 
+ __zfs_get_commands()
+ {
+-- 
+2.21.0
+

sys-fs/zfs/zfs-9999.ebuild

@@ -1,43 +1,61 @@
-# Copyright 1999-2018 Gentoo Authors
+# Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-EAPI="5"
-PYTHON_COMPAT=( python{2_7,3_4,3_5,3_6} )
+EAPI=7
 
-if [ ${PV} == "9999" ] ; then
-	inherit git-r3 linux-mod
-	AUTOTOOLS_AUTORECONF="1"
-	EGIT_REPO_URI="https://github.com/zfsonlinux/${PN}.git"
-else
-	SRC_URI="https://github.com/zfsonlinux/${PN}/releases/download/${P}/${P}.tar.gz"
-	KEYWORDS="~amd64 ~arm ~ppc ~ppc64"
-fi
+DISTUTILS_OPTIONAL=1
+PYTHON_COMPAT=( python{2_7,3_{5,6,7}} )
 
-inherit autotools-utils bash-completion-r1 flag-o-matic linux-info python-r1 systemd toolchain-funcs udev
+inherit bash-completion-r1 flag-o-matic linux-info linux-mod distutils-r1 systemd toolchain-funcs udev
 
 DESCRIPTION="Userland utilities for ZFS Linux kernel module"
 HOMEPAGE="https://zfsonlinux.org/"
 
+if [[ ${PV} == "9999" ]] ; then
+	inherit autotools git-r3
+	EGIT_REPO_URI="https://github.com/zfsonlinux/zfs.git"
+else
+	SRC_URI="https://github.com/zfsonlinux/${PN}/releases/download/${P}/${P}.tar.gz"
+	KEYWORDS="~amd64"
+fi
+
 LICENSE="BSD-2 CDDL MIT"
 SLOT="0"
-IUSE="custom-cflags debug kernel-builtin +rootfs test-suite static-libs"
-RESTRICT="test"
+IUSE="custom-cflags debug kernel-builtin python +rootfs test-suite static-libs"
 
 COMMON_DEPEND="
+	${PYTHON_DEPS}
 	net-libs/libtirpc
 	sys-apps/util-linux[static-libs?]
 	sys-libs/zlib[static-libs(+)?]
 	virtual/awk
+	python? (
+		virtual/python-cffi[${PYTHON_USEDEP}]
+	)
 "
-DEPEND="${COMMON_DEPEND}
+
+BDEPEND="${COMMON_DEPEND}
 	virtual/pkgconfig
+	python? (
+		dev-python/setuptools[${PYTHON_USEDEP}]
+	)
 "
 
 RDEPEND="${COMMON_DEPEND}
 	!=sys-apps/grep-2.13*
-	!kernel-builtin? ( =sys-fs/zfs-kmod-${PV}* )
+	!kernel-builtin? ( ~sys-fs/zfs-kmod-${PV} )
 	!sys-fs/zfs-fuse
 	!prefix? ( virtual/udev )
+	sys-fs/udev-init-scripts
+	rootfs? (
+		app-arch/cpio
+		app-misc/pax-utils
+		!<sys-boot/grub-2.00-r2:2
+		!<sys-kernel/genkernel-3.5.1.1
+		!<sys-kernel/genkernel-next-67
+		!<sys-kernel/bliss-initramfs-7.1.0
+		!<sys-kernel/dracut-044-r1
+	)
 	test-suite? (
 		sys-apps/util-linux
 		sys-devel/bc
@@ -46,24 +64,22 @@ RDEPEND="${COMMON_DEPEND}
 		sys-fs/mdadm
 		sys-process/procps
 		virtual/modutils
-		)
-	rootfs? (
-		app-arch/cpio
-		app-misc/pax-utils
-		!<sys-boot/grub-2.00-r2:2
-		)
+	)
 "
 
-AT_M4DIR="config"
-AUTOTOOLS_IN_SOURCE_BUILD="1"
+REQUIRED_USE="${PYTHON_REQUIRED_USE}"
+
+RESTRICT="test"
+
+PATCHES=( "${FILESDIR}/bash-completion-sudo.patch" )
 
 pkg_setup() {
 	if use kernel_linux && use test-suite; then
 		linux-info_pkg_setup
+
 		if  ! linux_config_exists; then
 			ewarn "Cannot check the linux kernel configuration."
 		else
-			# recheck that we don't have usblp to collide with libusb
 			if use test-suite; then
 				if linux_chkconfig_present BLK_DEV_LOOP; then
 					eerror "The ZFS test suite requires loop device support enabled."
@@ -72,34 +88,38 @@ pkg_setup() {
 					eerror "in /usr/src/linux/.config or"
 					eerror "    Device Drivers --->"
 					eerror "        Block devices --->"
-					eerror "            [ ] Loopback device support"
+					eerror "            [X] Loopback device support"
 				fi
 			fi
 		fi
 	fi
-
 }
 
 src_prepare() {
+	default
+
+	[[ ${PV} == "9999" ]] && eautoreconf
+
 	# Update paths
 	sed -e "s|/sbin/lsmod|/bin/lsmod|" \
 		-e "s|/usr/bin/scsi-rescan|/usr/sbin/rescan-scsi-bus|" \
 		-e "s|/sbin/parted|/usr/sbin/parted|" \
-		-i scripts/common.sh.in
+		-i scripts/common.sh.in || die
 
-	if use kernel-builtin
-	then
-		einfo "kernel-builtin enabled, removing module loading from"
-		einfo "systemd units."
-		sed -i -e '/modprobe\ zfs/d' etc/systemd/system/*.service.in || die
+	if use python; then
+		pushd contrib/pyzfs >/dev/null || die
+		distutils-r1_src_prepare
+		popd >/dev/null || die
 	fi
-	autotools-utils_src_prepare
 }
 
 src_configure() {
 	use custom-cflags || strip-flags
-	local myeconfargs=(
+
+	local myconf=(
 		--bindir="${EPREFIX}/bin"
+		--enable-systemd
+		--enable-sysvinit
 		--sbindir="${EPREFIX}/sbin"
 		--with-config=user
 		--with-dracutdir="${EPREFIX}/usr/lib/dracut"
@@ -109,47 +129,53 @@ src_configure() {
 		--with-systemdunitdir="$(systemd_get_systemunitdir)"
 		--with-systemdpresetdir="${EPREFIX}/lib/systemd/system-preset"
 		$(use_enable debug)
+		$(use_enable python pyzfs)
 	)
-	autotools-utils_src_configure
 
-	# prepare systemd unit and helper script
-	cat "${FILESDIR}/zfs.service.in" | \
-		sed -e "s:@sbindir@:${EPREFIX}/sbin:g" \
-			-e "s:@sysconfdir@:${EPREFIX}/etc:g" \
-		> "${T}/zfs.service" || die
-	cat "${FILESDIR}/zfs-init.sh.in" | \
-		sed -e "s:@sbindir@:${EPREFIX}/sbin:g" \
-			-e "s:@sysconfdir@:${EPREFIX}/etc:g" \
-		> "${T}/zfs-init.sh" || die
-	if use kernel-builtin
-	then
-		sed -i -e '/modprobe\ zfs/d' "${T}/zfs.service" || die
+	econf "${myconf[@]}"
+}
+
+src_compile() {
+	default
+	if use python; then
+		pushd contrib/pyzfs >/dev/null || die
+		distutils-r1_src_compile
+		popd >/dev/null || die
 	fi
 }
 
 src_install() {
-	autotools-utils_src_install
-	gen_usr_ldscript -a uutil nvpair zpool zfs zfs_core
-	use test-suite || rm -rf "${ED}usr/share/zfs"
+	default
 
-	newbashcomp "${FILESDIR}/bash-completion-r1" zfs
+	gen_usr_ldscript -a uutil nvpair zpool zfs zfs_core
+
+	use test-suite || rm -rf "${ED}/usr/share/zfs"
+
+	dobashcomp contrib/bash_completion.d/zfs
 	bashcomp_alias zfs zpool
 
-	exeinto /usr/libexec
-	doexe "${T}/zfs-init.sh"
-	systemd_dounit "${T}/zfs.service"
+	# strip executable bit from conf.d file
+	fperms 0644 /etc/conf.d/zfs
+
+	if use python; then
+		pushd contrib/pyzfs >/dev/null || die
+		distutils-r1_src_install
+		popd >/dev/null || die
+	fi
+
+	# enforce best available python implementation
+	python_setup
+	python_fix_shebang "${ED}/bin"
 }
 
 pkg_postinst() {
-	if ! use kernel-builtin && [ ${PV} = "9999" ]
-	then
+	if ! use kernel-builtin && [[ ${PV} = "9999" ]]; then
 		einfo "Adding ${P} to the module database to ensure that the"
 		einfo "kernel modules and userland utilities stay in sync."
 		update_moduledb
 	fi
 
-	if [ -e "${EROOT}etc/runlevels/boot/zfs" ]
-	then
+	if [[ -e "${EROOT}/etc/runlevels/boot/zfs" ]]; then
 		einfo 'The zfs boot script has been split into the zfs-import,'
 		einfo 'zfs-mount and zfs-share scripts.'
 		einfo
@@ -159,24 +185,23 @@ pkg_postinst() {
 		einfo 'The zfs-import and zfs-mount scripts have been added to the boot'
 		einfo 'runlevel while the zfs-share script is in the default runlevel.'
 
-		rm "${EROOT}etc/runlevels/boot/zfs"
-		ln -snf "${EROOT}etc/init.d/zfs-import" \
-			"${EROOT}etc/runlevels/boot/zfs-import"
-		ln -snf "${EROOT}etc/init.d/zfs-mount" \
-			"${EROOT}etc/runlevels/boot/zfs-mount"
-		ln -snf "${EROOT}etc/init.d/zfs-share" \
-			"${EROOT}etc/runlevels/default/zfs-share"
+		rm "${EROOT}/etc/runlevels/boot/zfs"
+		ln -snf "${EROOT}/etc/init.d/zfs-import" \
+			"${EROOT}/etc/runlevels/boot/zfs-import"
+		ln -snf "${EROOT}/etc/init.d/zfs-mount" \
+			"${EROOT}/etc/runlevels/boot/zfs-mount"
+		ln -snf "${EROOT}/etc/init.d/zfs-share" \
+			"${EROOT}/etc/runlevels/default/zfs-share"
 	else
-		[ -e "${EROOT}etc/runlevels/boot/zfs-import" ] || \
+		[[ -e "${EROOT}/etc/runlevels/boot/zfs-import" ]] || \
 			einfo "You should add zfs-import to the boot runlevel."
-		[ -e "${EROOT}etc/runlevels/boot/zfs-mount" ] || \
+		[[ -e "${EROOT}/etc/runlevels/boot/zfs-mount" ]]|| \
 			einfo "You should add zfs-mount to the boot runlevel."
-		[ -e "${EROOT}etc/runlevels/default/zfs-share" ] || \
+		[[ -e "${EROOT}/etc/runlevels/default/zfs-share" ]] || \
 			einfo "You should add zfs-share to the default runlevel."
 	fi
 
-	if [ -e "${EROOT}etc/runlevels/default/zed" ]
-	then
+	if [[ -e "${EROOT}/etc/runlevels/default/zed" ]]; then
 		einfo 'The downstream OpenRC zed script has replaced by the upstream'
 		einfo 'OpenRC zfs-zed script.'
 		einfo
@@ -184,18 +209,17 @@ pkg_postinst() {
 		einfo 'convenience, it has been automatically removed and the zfs-zed'
 		einfo 'script that replaced it has been configured to start.'
 
-		rm "${EROOT}etc/runlevels/boot/zed"
-		ln -snf "${EROOT}etc/init.d/zfs-sed" \
-			"${EROOT}etc/runlevels/default/zfs-zed"
+		rm "${EROOT}/etc/runlevels/boot/zed"
+		ln -snf "${EROOT}/etc/init.d/zfs-zed" \
+			"${EROOT}/etc/runlevels/default/zfs-zed"
 	else
-		[ -e "${EROOT}etc/runlevels/default/zfs-zed" ] || \
+		[[ -e "${EROOT}/etc/runlevels/default/zfs-zed" ]] || \
 			einfo "You should add zfs-zed to the default runlevel."
 	fi
 
-	if [ -e "${EROOT}etc/runlevels/shutdown/zfs-shutdown" ]
-	then
+	if [[ -e "${EROOT}/etc/runlevels/shutdown/zfs-shutdown" ]]; then
 		einfo "The zfs-shutdown script is obsolete. Removing it from runlevel."
-		rm "${EROOT}etc/runlevels/shutdown/zfs-shutdown"
+		rm "${EROOT}/etc/runlevels/shutdown/zfs-shutdown"
 	fi
 
 	systemd_reenable zfs-zed.service
@@ -205,13 +229,10 @@ pkg_postinst() {
 	systemd_reenable zfs-share.service
 	systemd_reenable zfs-import.target
 	systemd_reenable zfs.target
-	systemd_reenable zfs.service
-
 }
 
 pkg_postrm() {
-	if ! use kernel-builtin && [ ${PV} = "9999" ]
-	then
+	if ! use kernel-builtin && [[ ${PV} == "9999" ]]; then
 		remove_moduledb
 	fi
 }