#!/bin/bash
make_subvol() {
  local usesudo
  local uid
  local gid
  [[ $EUID -ne 0 ]] && usesudo=sudo
  uid=${2:-$USER}
  gid=${3:-$uid}
  echo $usesudo btrfs subvolume create $1
  $usesudo btrfs subvolume create $1
  echo $usesudo chown $uid:$gid $1
  $usesudo chown $uid:$gid $1
}

make_base_subvols() {
  svols="shell admin opt data docker images temp"
  BTRFSDATAROOT=${BTRFSDATAROOT:-/mnt/data}
  # cd $BTRFSDATAROOT || exit
  for svol in $svols; do
    make_subvol $BTRFSDATAROOT/$svol $@
  done
}

#ssudo mount -o subvol=opt /dev/sda4 /test

alias btvl="sudo btrfs subvolume list"

# ALL ALL = (root) NOPASSWD:/bin/btrfs

#  btrfs send rootfs-nadal-$(date +"%d-%m-%Y") | btrfs receive /backup/images/snaps/rootfs
# btrfs subvolume snapshot -r  /  /backup/rootfs-nadal-$(date +"%d-%m-%Y")
# tar -cvpzf /backup/images/nadal-fs.tar.gz --one-file-system /