FreeBSD jail to watch a directory and make files appear atomically for paperless-ngx

jail_setup.sh

sudo iocage create -n watcher -r 13.1-RELEASE vnet=on ip4=disable ip6=disable boot=on
sudo mkdir /mnt/tank/iocage/jails/watcher/root/mnt/paperless
sudo iocage fstab watcher -a "/mnt/tank/paperless/paperless /mnt/paperless nullfs rw 0 0"
sudo pkg --chroot /mnt/tank/iocage/jails/watcher/root install inotify-tools
# install the two files below
sudo iocage start watcher
sudo iocage exec watcher sysrc watcher_enable="YES"

###########################Put in /usr/local/bin/watcher.sh
#!/bin/sh
monitorDir="/mnt/paperless/consume1st"

# Watch monitorDir for files to appear and finish writing, then move them to the consume directory

/usr/local/bin/inotifywait -q -m -r -e close_write --format '%w%f' "$monitorDir" | while read newObject
do
  if [ ! -d "$newObject" ]; then
    case $newObject in
      *.pdf) mv "$newObject" /mnt/paperless/consume && logger "moved $newObject" ;; 
    esac
  fi
done

###########################Put in /usr/local/etc/rc.d/watcher
#!/bin/sh
 
# PROVIDE: watcher
# REQUIRE: mountlate securelevel
 
# Add the following lines to /etc/rc.conf to enable `watcher':
#
# watcher_enable="YES"
 
. /etc/rc.subr
 
name="watcher"
rcvar=`set_rcvar`

load_rc_config $name
 
: ${watcher_enable="NO"}

pidfile="/var/run/${name}.pid"
command="/usr/sbin/daemon"
command_args="-c -f -R 3 -P ${pidfile} /usr/local/bin/${name}.sh"
required_files="/usr/local/bin/${name}.sh"
start_precmd="watcher_precmd"

watcher_precmd()
{
  install -o root /dev/null ${pidfile}
}
 
run_rc_command "$1"