_partx_module()
{
	local cur prev OPTS OUTPUT
	COMPREPLY=()
	OUTPUT="NR START END SECTORS SIZE NAME UUID TYPE FLAGS SCHEME"
	cur="${COMP_WORDS[COMP_CWORD]}"
	prev="${COMP_WORDS[COMP_CWORD-1]}"
	case $prev in
		'-n'|'--nr')
			return 0
			;;
		'-o'|'--output')
			# FIXME: how to append to a string with compgen?
			compopt -o nospace
			COMPREPLY=( $(compgen -W "$OUTPUT" -S ',' -- $cur) )
			return 0
			;;
		'-t'|'--type')
			# FIXME: some command should list type libblkid knows.
			COMPREPLY=( $(compgen -W "aix bsd dos gpt mac minix sgi solaris_x86 sun ultrix unixware" -- $cur) )
			return 0
			;;
	esac
	case $cur in
		-*)
			OPTS="-a --add -d --delete -s --show -u --update -b --bytes -g --noheadings -n --nr -o --output -P --pairs -r --raw -t --type -v --verbose -h --help -V --version"
			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 _partx_module partx