_chsh_module()
{
	local cur prev OPTS
	COMPREPLY=()
	cur="${COMP_WORDS[COMP_CWORD]}"
	prev="${COMP_WORDS[COMP_CWORD-1]}"
	case $prev in
		'-s'|'--shell')
			COMPREPLY=( $(compgen -W "$($1 -l)" -- $cur) )
			return 0
			;;
		'-u'|'--help'|'-v'|'--version')
			return 0
			;;
	esac
	case $cur in
		-*)
			OPTS="--shell --list-shells --version --help"
			COMPREPLY=( $(compgen -W "${OPTS[*]}" -- $cur) )
			return 0
			;;
	esac
	COMPREPLY=( $(compgen -u -- $cur) )
	return 0
}
complete -F _chsh_module chsh