udev-export-dev.sh

#!/bin/sh
#
# Quick hack to export a device into container
#
# NOTE:
# - systemd-run cannot be used as capability is dropped from udev service
#

exec > /dev/null 2>&1

run() {
  local node=hc

  # assign device to node
  case "$DEVNAME" in
  /dev/*/*) exit 0;;
  /dev/*) node=hc;;
  *) exit 0;;
  esac

  # skip unless target node is alive
  machinectl status "$node" || exit 0

  case "$ACTION" in
  add)
    machinectl -q bind --mkdir $node $DEVNAME
    ;;
  remove)
    machinectl -q shell $node /bin/umount -qlf $DEVNAME
    ;;
  change)
    machinectl -q shell $node /bin/umount -qlf $DEVNAME
    machinectl -q bind --mkdir $node $DEVNAME
    ;;
  esac

  exit 0
}

run "$@"