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#!/usr/bin/env bash
# shellcheck disable=SC2154
check() {
# We depend on udev-rules being loaded
[ "${1}" = "-d" ] && return 0
# Verify the zfs tool chain
for tool in "@sbindir@/zgenhostid" "@sbindir@/zpool" "@sbindir@/zfs" "@mounthelperdir@/mount.zfs" ; do
test -x "$tool" || return 1
done
return 0
}
depends() {
echo udev-rules
return 0
}
installkernel() {
instmods -c zfs
}
install() {
inst_rules 90-zfs.rules 69-vdev.rules 60-zvol.rules
inst_multiple \
zgenhostid \
zfs \
zpool \
mount.zfs \
hostid \
grep \
awk \
tr \
cut \
head ||
{ dfatal "Failed to install essential binaries"; exit 1; }
# Lines 71-90 adapted from
# https://github.com/zbm-dev/zfsbootmenu/blob/9a03eab2b75647170bdc383903735a694ecd0ed6/dracut/module-setup.sh#L71
if ! ldd "$( command -v zpool )" | grep -qF 'libgcc_s.so'; then
# On systems with gcc-config (Gentoo, Funtoo, etc.), use it to find libgcc_s
if command -v gcc-config >/dev/null 2>&1; then
dracut_install "/usr/lib/gcc/$(s=$(gcc-config -c); echo "${s%-*}/${s##*-}")/libgcc_s.so.1" ||
{ dfatal "Unable to install libgcc_s.so"; exit 1; }
# Otherwise, use dracut's library installation function to find the right one
elif ! inst_libdir_file "libgcc_s.so*"; then
# If all else fails, just try looking for some gcc arch directory
dracut_install /usr/lib/gcc/*/*/libgcc_s.so* ||
{ dfatal "Unable to install libgcc_s.so"; exit 1; }
fi
fi
inst_hook cmdline 95 "${moddir}/parse-zfs.sh"
if [ -n "$systemdutildir" ] ; then
inst_script "${moddir}/zfs-generator.sh" "$systemdutildir"/system-generators/dracut-zfs-generator
fi
inst_hook pre-mount 90 "${moddir}/zfs-load-key.sh"
inst_hook mount 98 "${moddir}/mount-zfs.sh"
inst_hook cleanup 99 "${moddir}/zfs-needshutdown.sh"
inst_hook shutdown 20 "${moddir}/export-zfs.sh"
inst_simple "${moddir}/zfs-lib.sh" "/lib/dracut-zfs-lib.sh"
if [ -e @sysconfdir@/zfs/zpool.cache ]; then
inst @sysconfdir@/zfs/zpool.cache
type mark_hostonly >/dev/null 2>&1 && mark_hostonly @sysconfdir@/zfs/zpool.cache
fi
if [ -e @sysconfdir@/zfs/vdev_id.conf ]; then
inst @sysconfdir@/zfs/vdev_id.conf
type mark_hostonly >/dev/null 2>&1 && mark_hostonly @sysconfdir@/zfs/vdev_id.conf
fi
# Synchronize initramfs and system hostid
if [ -f @sysconfdir@/hostid ]; then
inst @sysconfdir@/hostid
type mark_hostonly >/dev/null 2>&1 && mark_hostonly @sysconfdir@/hostid
elif HOSTID="$(hostid 2>/dev/null)" && [ "${HOSTID}" != "00000000" ]; then
zgenhostid -o "${initdir}@sysconfdir@/hostid" "${HOSTID}"
type mark_hostonly >/dev/null 2>&1 && mark_hostonly @sysconfdir@/hostid
fi
if dracut_module_included "systemd"; then
dracut_install \
systemd-ask-password \
systemd-tty-ask-password-agent ||
{ dfatal "Failed to install essential systemd binaries"; exit 1; }
mkdir -p "${initdir}/$systemdsystemunitdir/zfs-import.target.wants"
for _service in "zfs-import-scan.service" "zfs-import-cache.service" ; do
dracut_install "@systemdunitdir@/$_service"
if ! [ -L "${initdir}/$systemdsystemunitdir/zfs-import.target.wants/$_service" ]; then
ln -sf ../$_service "${initdir}/$systemdsystemunitdir/zfs-import.target.wants/$_service"
type mark_hostonly >/dev/null 2>&1 && mark_hostonly "@systemdunitdir@/$_service"
fi
done
inst "${moddir}"/zfs-env-bootfs.service "${systemdsystemunitdir}"/zfs-env-bootfs.service
ln -s ../zfs-env-bootfs.service "${initdir}/${systemdsystemunitdir}/zfs-import.target.wants"/zfs-env-bootfs.service
type mark_hostonly >/dev/null 2>&1 && mark_hostonly @systemdunitdir@/zfs-env-bootfs.service
mkdir -p "${initdir}/$systemdsystemunitdir/initrd.target.wants"
dracut_install @systemdunitdir@/zfs-import.target
if ! [ -L "${initdir}/$systemdsystemunitdir/initrd.target.wants"/zfs-import.target ]; then
ln -s ../zfs-import.target "${initdir}/$systemdsystemunitdir/initrd.target.wants"/zfs-import.target
type mark_hostonly >/dev/null 2>&1 && mark_hostonly @systemdunitdir@/zfs-import.target
fi
for _service in zfs-snapshot-bootfs.service zfs-rollback-bootfs.service ; do
inst "${moddir}/$_service" "${systemdsystemunitdir}/$_service"
if ! [ -L "${initdir}/$systemdsystemunitdir/initrd.target.wants/$_service" ]; then
ln -s "../$_service" "${initdir}/$systemdsystemunitdir/initrd.target.wants/$_service"
fi
done
# There isn't a pkg-config variable for this,
# and dracut doesn't automatically resolve anything this'd be next to
local systemdsystemenvironmentgeneratordir
systemdsystemenvironmentgeneratordir="$(pkg-config --variable=prefix systemd || echo "/usr")/lib/systemd/system-environment-generators"
mkdir -p "${initdir}/${systemdsystemenvironmentgeneratordir}"
inst "${moddir}"/import-opts-generator.sh "${systemdsystemenvironmentgeneratordir}"/zfs-import-opts.sh
fi
}
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