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#!/bin/sh
# NOTE: since mdev -s only provide $MDEV, don't depend on any hotplug vars.
current=$(readlink usbdisk)
if [ "$current" = "$MDEV" ] && [ "$ACTION" = "remove" ]; then
rm -f usbdisk usba1
fi
[ -n "$current" ] && exit
if [ -e /sys/block/$MDEV ]; then
SYSDEV=$(readlink -f /sys/block/$MDEV/device)
# if /sys device path contains '/usb[0-9]' then we assume its usb
# also, if its an usb without partitions we require FAT
if [ "${SYSDEV##*/usb[0-9]}" != "$SYSDEV" ]; then
# do not create link if there is not FAT
dd if=/dev/$MDEV bs=512 count=1 2>/dev/null | strings | grep FAT >/dev/null || exit 0
ln -sf $MDEV usbdisk
# keep this for compat. people have it in fstab
ln -sf $MDEV usba1
fi
elif [ -e /sys/block/*/$MDEV ] ; then
PARENT=$(dirname /sys/block/*/$MDEV)
SYSDEV=$(readlink -f $PARENT/device)
if [ "${SYSDEV##*/usb[0-9]}" != "$SYSDEV" ]; then
ln -sf $MDEV usbdisk
# keep this for compat. people have it in fstab
ln -sf $MDEV usba1
fi
fi
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