Recursively mount ZFS snapshot for a dataset

mount_zfs_snapshot.sh

#!/bin/bash

# Change these parameters
mntdir=/mnt/cache/_tmp_restic-snapshot
dataset_name="cache"

datasets=($(zfs list -t filesystem -H | cut -d$'\t' -f1 | grep -E '^'$dataset_name'(/|$)'))
echo "Datasets selected: ${datasets[@]}"
for d in "${datasets[@]}"; do
    mntsubdir=${d#"$dataset_name"}
    echo "Mounting dataset $d to ${mntdir}/${mntsubdir}"
    mount -t zfs ${d}@restic_bak_snapshot "${mntdir}/${mntsubdir}"
done