zfs/contrib/initramfs/hooks/zfs.in

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#!/bin/sh
#
# Add OpenZFS filesystem capabilities to an initrd, usually for a native ZFS root.
#
if [ "$1" = "prereqs" ]; then
echo "udev"
exit
fi
. /usr/share/initramfs-tools/hook-functions
for req in "@sbindir@/zpool" "@sbindir@/zfs" "@mounthelperdir@/mount.zfs"; do
copy_exec "$req" || {
echo "$req not available!" >&2
exit 2
}
done
copy_exec "@udevdir@/vdev_id"
copy_exec "@udevdir@/zvol_id"
if command -v systemd-ask-password > /dev/null; then
copy_exec "$(command -v systemd-ask-password)"
fi
# We use pthreads, but i-t from buster doesn't automatically
# copy this indirect dependency: this can be removed when buster finally dies.
find /lib/ -type f -name "libgcc_s.so.[1-9]" | while read -r libgcc; do
copy_exec "$libgcc"
done
# shellcheck disable=SC2050
if [ @LIBFETCH_DYNAMIC@ -gt 0 ]; then
find /lib/ -name "@LIBFETCH_SONAME@" | while read -r libfetch; do
copy_exec "$libfetch"
done
fi
copy_file config "/etc/hostid"
copy_file cache "@sysconfdir@/zfs/zpool.cache"
copy_file config "@initconfdir@/zfs"
copy_file config "@sysconfdir@/zfs/zfs-functions"
copy_file config "@sysconfdir@/zfs/vdev_id.conf"
for f in "@sysconfdir@/zfs/initramfs-tools-load-key" "@sysconfdir@/zfs/initramfs-tools-load-key.d/"*; do
copy_file config "$f"
done
copy_file rule "@udevruledir@/60-zvol.rules"
copy_file rule "@udevruledir@/69-vdev.rules"
manual_add_modules zfs
if [ -f "/etc/hostname" ]; then
copy_file config "/etc/hostname"
else
hostname="$(mktemp -t hostname.XXXXXXXXXX)"
hostname > "$hostname"
copy_file config "$hostname" "/etc/hostname"
rm -f "$hostname"
fi