IsRebar3 = erlang:function_exported(rebar3, main, 1),
case IsRebar3 of
  true ->
    CONFIG;
  false ->
    [{snappyer, Tag}] = proplists:get_value(deps, CONFIG),
    Url = "https://github.com/zmstone/snappyer",
    Rebar2Deps = [{snappyer, ".*", {git, Url, {tag, Tag}}}],
    lists:keyreplace(deps, 1, CONFIG, {deps, Rebar2Deps})
end.