#!/bin/sh


TryToFindCDROM() {
# hda1 is there for testing
	LogIt "find-and-mount-cdrom --- starting"
	for device in /dev/hd? /dev/scd? /dev/rcd? /dev/sr? /dev/cd? /dev/ide/*/*/*/*/cd /dev/scsi/*/*/*/*/cd; do
		[ ! "$SECOND_TRY" ] && LogIt "Trying $device"
		if [ "`grep "using-cdstream yes" /tmp/mondo-restore.cfg`" ]; then
			pwd=`pwd`
			cd $GROOVY
			tar -zxf $device 2> /tmp/mount.log
			res=$?
			cd $pwd
			if [ "$res" -eq "0" ] ; then
				clear
				LogIt "Using cdstream as extended datadisk ($device). Good." 3
				echo "Using cdstrea as extd dsk." > /tmp/TAPEDEV-HAS-DATA-DISKS
				ln -sf $device /dev/cdrom
				exit 0
			fi
		else
			mount $device -t iso9660 -o ro /mnt/cdrom 2> /tmp/mount.log
			res=$?
		fi
		if [ "$res" -ne "0" ] ; then
			res=`cat /tmp/mount.log`
			if [ "$res" = "mount: No medium found" ] ; then
				[ ! "$SECOND_TRY" ] && LogIt "There is a CD-ROM drive at $device but no CD in it."
			else
			   	[ ! "$SECOND_TRY" ] && LogIt "It's not in $device; I'll keep looking"
			fi
			continue
		fi
		LogIt "$device has a CD-ROM in it"
		umount /mnt/cdrom
		ln -sf $device /dev/cdrom
		if [ "$?" -ne "0" ]; then
			LogIt "Unable to softlink $device to /dev/cdrom. That's weird."
			continue
		fi
		LogIt "CD-ROM found at $device"
		mount $device -t iso9660 -o ro /mnt/cdrom 2> /tmp/mount.log
		if [ "$?" -ne "0" ] ; then
			LogIt "Cannot mount /dev/cdrom (type iso9660) (dev=$device)"
			continue
		elif [ ! -d "/mnt/cdrom/archives" ] ; then
			LogIt "There is a CD in $device but it's not a Mondo CD"
			continue
		else
			LogIt "$device is where the Mondo CD lives."
			which hdparm > /dev/null 2> /dev/null && hdparm -u1 -c3 -d1 $device
			return 0
		fi
	done
	LogIt "Failed to find CD-ROM"
	return 1
}


# -------------- main ------------

[ "$1" = "--second-try" ] && SECOND_TRY=yes
if [ ! "$GROOVY" ] ; then
	LogIt "I'm not groovy!"
	exit 1
fi

TryToFindCDROM
if [ "$?" -eq "0" ] ; then
	[ "$SECOND_TRY" ] && add="At 2nd attempt, " || add=""
	LogIt $add"CD-ROM found and mounted at $device" 3
	echo "$device" > /tmp/CDROM-LIVES-HERE
	LogIt "find-and-mount-cdrom --- leaving (0)"
	exit 0
fi
[ "$1" = "--second-try" ] && exit 1;
if [ "`grep "using-cdstream=yes" /tmp/mondo-restore.cfg`" ] ; then
	LogIt "Because you are using cdstream, I won't try to mount CD."
	exit 0
fi

LogIt "Unable to find and mount your CD-ROM" 1
LogIt "You probably miss the correct driver to support your CD-ROM drive" 1
exit 2