#!/usr/bin/env bash

_mas()
{
    local cur prev words cword;
    if declare -F _init_completions >/dev/null 2>&1; then
        _init_completion
    else
        COMPREPLY=()
        _get_comp_words_by_ref cur prev words cword
    fi
    if [[ $cword -eq 1 ]]; then
        COMPREPLY=($( compgen -W "$(mas help | tail +3 | awk '{print $1}')" -- "$cur" ));
        return 0
    fi
}

complete -F _mas mas