thanks-i-hate-it.sh

#!/bin/bash

set -x

function join_by { local IFS="$1"; shift; echo "$*"; }

target=/mnt
src=/.snapshots/1/snapshot

paths=(
    'dev/*'
    'proc/*'
    'sys/*'
    'tmp/*'
    'run/*'
    'mnt/*'
    'media/*'
    'boot/*'
    'home/*'
    'opt/*'
    'root/*'
    'srv/*'
    'usr/*'
    'var/*'
)

result=$(join_by , "${paths[@]}")
bash -c 'rsync -aAXHv --exclude={'"${result}"'} '"$src/"' '"$target/"''