_fdisk_module()
{
	local cur prev OPTS
	COMPREPLY=()
	cur="${COMP_WORDS[COMP_CWORD]}"
	prev="${COMP_WORDS[COMP_CWORD-1]}"
	case $prev in
		'-s')
			local DEV TYPE DEVICES=''
			while read DEV TYPE; do
				[ $TYPE = 'part' ] && DEVICES+="$DEV "
			done < <(lsblk -pnro name,type)
			COMPREPLY=( $(compgen -W "$DEVICES" -- $cur) )
			return 0
			;;
		'-b')
			COMPREPLY=( $(compgen -W "512 1024 2048 4096" -- $cur) )
			return 0
			;;
		'-c')
			COMPREPLY=( $(compgen -W "dos nondos" -- $cur) )
			return 0
			;;
		'-u')
			COMPREPLY=( $(compgen -W "cylinders sectors" -- $cur) )
			return 0
			;;
		'-C'|'-H'|'-S')
			COMPREPLY=( $(compgen -W "number" -- $cur) )
			return 0
			;;
	esac
	case $cur in
		-*)
			OPTS="-l -s -b -c -h -u -v -C -H -S"
			COMPREPLY=( $(compgen -W "${OPTS[*]}" -- $cur) )
			return 0
			;;
	esac
	local DEV TYPE DEVICES=''
	while read DEV TYPE; do
		[ $TYPE = 'disk' ] && DEVICES+="$DEV "
	done < <(lsblk -pnro name,type)
	COMPREPLY=( $(compgen -W "$DEVICES" -- $cur) )
	return 0
}
complete -F _fdisk_module fdisk