#!/usr/bin/env bash

_roll() {

    local cur prev opts

    COMPREPLY=()

 	cur="${COMP_WORDS[COMP_CWORD]}"
	prev="${COMP_WORDS[COMP_CWORD-1]}"

    # list of command line options
    #   we list only the long version (more readable)
	opts="--positive --help --sum-series --test --verbose --version"


    if [[ ${cur} == -* ]]; then
 		COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
        return 0
    fi

}

complete -F _roll roll
