#!/bin/bash

#bmount () {}
# sudo bindfs -o allow_other -o map=root/1001:@root/@1001  /var/lib/docker/volumes  /data/dvols


dir_rebind_user () {
  local usesudo; local dir;local user;local group
   # $1 new owner
   # $2 dir
 
[ $# -lt 2 ] && echo minimum args needed to rebind are user and directory  && return 1
[[ $EUID -ne 0 ]] && usesudo=sudo

[[ $(id -u $1 2> /dev/null) ]] || { echo user $1 does not exist can not continue; return 2; }

dir=$(realpath $2)
user=$(stat -c '%U' $dir)
group=$(stat -c '%G' $dir)
$usesudo bindfs --force-user=$1 --force-group=$1 --create-for-user=$user --create-for-group=$group --chown-ignore --chgrp-ignore $dir $dir
# echo use \'dir_rebind_user_remove $dir\' to remove
}

dir_rebind_user_remove () {
   local usersudo
   [[ $EUID -ne 0 ]] && usesudo=sudo
   $usesudo fusermount -u $1
}

if [ -v PS1 ]; then
 alias dru="dir_rebind_user"
 alias drur="dir_rebind_user_remove"
fi