#!/bin/sh -e
# add to /etc/mtab the entries for /dev and /.dev

# if it's not, it's probably a symlink to /proc/mounts
[ -w /etc/mtab ] || exit 0

PATH="/sbin:/bin"

# defaults
tmpfs_size="5M"
udev_root="/dev/"

. /etc/udev/udev.conf

# strip the trailing slash
udev_root=${udev_root%/}

# mountpoint(1) does not report bind mounts
if [ -e /.dev/null ]; then
  grep -E --quiet --no-messages "^[^ ]+ +/.dev +" /etc/mtab || \
    mount -f --bind /dev /.dev
fi

if mountpoint -q $udev_root; then
  grep -E --quiet --no-messages "^[^ ]+ +$udev_root +" /etc/mtab || \
    mount -f -o size=$tmpfs_size,mode=0755 -t tmpfs none $udev_root
fi

exit 0

