#!/bin/bash
# /usr/sbin/do-hotmnt
# since this gets invoked by the kernel (as root) from /etc/hotplug.d/usb/usb-stub.hotplug it can be
# placed anywhere.
# All the echos are just for verbosity. Note that the first thing we have to do is take a nap.
# This hook gets run right away, even before the drivers have registered.
# Hooking in like this avoids having to poll constantly. But because of the danger of
# the user unplugging the device without unmounting it first, it might be good to
# put some kind of loop/sleep process going that would run bdflush every few seconds
# on just that device.

echo "We've made it to do-hotmnt!" >> /var/log/messages
sleep 6


echo INTERFACE=$INTERFACE |grep 8 >> /var/log/messages
echo ACTION=$ACTION >> /var/log/messages
echo DEVICE=$DEVICE >> /var/log/messages
# INTERFACE=8/*/* means we have a SCSI disk sda.
#if [[ "`echo $INTERFACE |grep 8`" != "" ]] ; then
if [[ $ACTION = "add" ]] ; then
      for disk in a b c d ; do
       echo "Checking for sd$disk..." >> /var/log/messages
       # This is not the real way to do an automount. I'm just checking /var/log/messages as an example
       # Real code would run fdisk -l,  blkid and whatever else comparing with your currently mounted temp mounts
       # or whatever.
       if [[ `cat /var/log/messages |grep "sd$disk:"` != "" ]] ; then
       echo "found USB hard disk sd$disk in the log" >> /var/log/messages
       # then loop through partition numbers and compare with the ouptut of blkid
       # and other key lists or whatever
		for part in 1 2 3 4 5 6 7 8 ; do
		echo "Checking for sd$disk$part..." >> /var/log/messages
		if [[ `blkid |grep "sd$disk$part"` ]] ; then
			echo "Found partition sd$disk$part in blkid" >> /var/log/messages
			if [ `fdisk -l |grep sd$disk$part` != "" ]] ; then
			echo "Found partition sd$disk$part already mounted?" >> /var/log/messages
			else
			echo "Partition sd$disk$part is unmounted?" >> /var/log/messages
			# crudely we find an unmounted partition. The 'proper' thing, I guess,  would be to have
			#  a PID file for each device and/or partition. The usb.agent in /etc/hotplug apparently looks
			# for a PID file( or tries to create one?) in /var/run/usb which matches DEVICE, but I haven't
			# seen or gotten this to work so far.
			fi
		fi
		done
       fi
      done
fi
#fi
echo "exiting do-hotmnt" >> /var/log/messages