#!/bin/busybox ash

# $MDEV
# $ACTION

blkidstr=$(blkid $(pwd)/${MDEV})
UUID=$(echo -n "$blkidstr" \
	| grep UUID \
	| sed -e 's,.*UUID="\([^"]*\)".*,\1,')
LABEL=$(echo -n "$blkidstr" \
	| grep LABEL \
	| sed -e 's,.*LABEL="\([^"]*\)".*,\1,')
BLOCK=$(cat /sys${DEVPATH}/dev)

case "$ACTION" in
	add|"")
		if [ -n "${UUID}" ];
		then
			mkdir -p disk/by-uuid
			cd disk/by-uuid
			[ -e "${UUID}" ] && rm -f ${UUID}
			ln -s ../../${MDEV} ${UUID}
			cd ../..
		fi

		if [ -n "${LABEL}" ];
		then
			mkdir -p disk/by-label
			cd disk/by-uuid
			[ -e "${LABEL}" ] && rm -f ${LABEL}
			ln -s ../../${MDEV} ${LABEL}
			cd ../..
		fi

		if [ -n "${BLOCK}" ];
		then
			mkdir -p block
			cd block
			[ -e "${BLOCK}" ] && rm -f ${BLOCK}
			ln -s ../${MDEV} ${BLOCK}
			cd ..
		fi
		;;
	remove)
		[ -n "${UUID}" ] && [ -e disk/by-uuid/${UUID} ] \
			&& rm -f disk/by-uuid/${UUID}
		[ -n "${LABEL}" ] && [ -e disk/by-uuid/${LABEL} ] \
			&& rm -f disk/by-uuid/${LABEL}
		[ -n "${BLOCK}" ] && [ -e block/${BLOCK} ] \
			&& rm -f block/${BLOCK}

		if [ -e disk/by-uuid ];
		then
			cd disk/by-uuid
			SLS=$(ls -l \
				| awk "/..\/..\/${MDEV}/ {print \$9 }")
			for FILE in ${SLS};
			do
				rm -f ${FILE}
			done
			cd ../..
			
			rmdir disk/by-uuid 2>/dev/null
		fi
		if [ -e disk/by-label ];
		then
			cd disk/by-label
			SLS=$(ls -l \
				| awk "/..\/..\/${MDEV}/ {print \$9 }")
			for FILE in ${SLS};
			do
				rm -f ${FILE}
			done
			cd ../..
			
			rmdir disk/by-label 2>/dev/null
		fi
		rmdir disk/ 2>/dev/null

		if [ -e block ];
		then
			cd block
			SLS=$(ls -l \
				| awk "/..\/${MDEV}/ {print \$9 }")
			for FILE in ${SLS};
			do
				rm -f ${FILE}
			done
			cd ..
			
			rmdir block 2>/dev/null
		fi
		;;
esac

exit 0