chatterbox

case erlang:function_exported(rebar3, main, 1) of
    true -> % rebar3
        CONFIG;
    false -> % rebar 2.x or older
        %% Rebuild deps, possibly including those that have been moved to
        %% profiles
        [{deps, [
        {hpack, ".*", {git, "https://github.com/joedevivo/hpack.git", {tag, "0.2.3"}}}
        ]} | lists:keydelete(deps, 1, CONFIG)]
end.