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ModCfg0 = fun(F, Cfg, [Key|Tail], Op, Default) ->
{OldVal,PartCfg} = case lists:keytake(Key, 1, Cfg) of
{value, {_, V1}, V2} -> {V1, V2};
false -> {if Tail == [] -> Default; true -> [] end, Cfg}
end,
case Tail of
[] ->
[{Key, Op(OldVal)} | PartCfg];
_ ->
[{Key, F(F, OldVal, Tail, Op, Default)} | PartCfg]
end
end,
ModCfg = fun(Cfg, Keys, Op, Default) -> ModCfg0(ModCfg0, Cfg, Keys, Op, Default) end.
%% Rebar3 support for hex.pm support:
%% - Add rebar3_hex plugin
IsRebar3 = case application:get_key(rebar, vsn) of
{ok, VSN} ->
[VSN1 | _] = string:tokens(VSN, "-"),
[Maj, Min, Patch] = string:tokens(VSN1, "."),
(list_to_integer(Maj) >= 3);
undefined ->
lists:keymember(mix, 1, application:loaded_applications())
end,
Cfg = case IsRebar3 of
true ->
ModCfg(CONFIG, [plugins], fun(V) -> V ++ [rebar3_hex] end, []);
false ->
CONFIG
end,
Cfg.
%% Local Variables:
%% mode: erlang
%% End:
%% vim: set filetype=erlang tabstop=8:
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