#!/bin/sh

[ -f /target/etc/fstab ] || exit 0

MEDIA=/media # or MEDIA='' to make directories in /

escape () {
	printf %s "$1" | \
		sed 's/\\/\\134/g; s/ /\\040/g; s/	/\\011/g; s/\n/\\012/g'
}

# dev, mountpoint, type, options, dump, pass
addfstab () {
	printf "%-15s %-15s %-7s %-15s %-7s %s\n" \
		"$(escape "$1")" "$(escape "$2")" \
		"$(escape "$3")" "$(escape "$4")" \
		"$5" "$6" >> /target/etc/fstab
}

rm_dir_or_link () {
	if [ -L "$1" ]; then
		rm "$1"
	elif [ -d "$1" ]; then
		rmdir "$1"
	fi
}

# category, file system, options, main device, other devices ...
populate_media () {
	local category fs options number mount_point
	category=$1
	fs=$2
	options=$3
	shift; shift; shift
	mkdir -p /target$MEDIA
	symlink_to_0=1
	if [ "`udpkg --print-os`" = kfreebsd ]; then
		symlink_to_0=""
	fi
	if [ "$1" ] && [ "$symlink_to_0" ] ; then
		rm_dir_or_link /target$MEDIA/$category
		ln -s ${category}0 /target$MEDIA/$category
	fi
	number=0
	while [ "$1" ]; do
		mount_point="$MEDIA/$category$number"
		if [ ! "$symlink_to_0" ] && [ "$number" = 0 ]; then
			mount_point="$MEDIA/$category"
		fi
		addfstab "$1" "$mount_point" "$fs" "$options" 0 0
		rm_dir_or_link /target$mount_point
		mkdir -p /target$mount_point
		number=$(($number + 1))
		shift
	done
}

CDDEV=$(grep /cdrom /proc/mounts | cut -d ' ' -f 1 | grep -Ev '^/dev/(loop|sd[a-z])')
if [ -n "$CDDEV" ]; then
	MAPCDDEV=$(mapdevfs $CDDEV)
else
	MAPCDDEV=''
fi

CDDEVICES=''
for dev in $(list-devices cd); do
	mapdev=$(mapdevfs $dev)
	if [ -n "$mapdev" ] && [ "$mapdev" != "$MAPCDDEV" ]; then
		CDDEVICES="$CDDEVICES $mapdev"
	fi
done
if [ -n "$MAPCDDEV" ]; then
	CDDEVICES="$MAPCDDEV $CDDEVICES" # first the mounted cdrom
fi

case `udpkg --print-os` in
	linux) 
		populate_media cdrom udf,iso9660 user,noauto $CDDEVICES
		;;
	kfreebsd)
		populate_media cdrom cd9660 ro,noauto $CDDEVICES
		;;
	hurd)
		populate_media cdrom iso9660 noauto $CDDEVICES
		;;
esac

FDDEVICES=''
for dev in $(list-devices floppy); do
	mapdev=$(mapdevfs $dev)
	if [ "$mapdev" ]; then
		FDDEVICES="$FDDEVICES $mapdev"
	fi
done

case `udpkg --print-os` in
	linux)
		populate_media floppy auto rw,user,noauto $FDDEVICES
		;;
	kfreebsd)
		populate_media floppy auto rw,noauto $FDDEVICES
		;;
	hurd)
		populate_media floppy auto rw,noauto $FDDEVICES
		;;
esac