-module(override_opts).
-export([preprocess/2]).
override_opts(override, Config, Opts) ->
lists:foldl(fun({Opt, Value}, Conf) ->
rebar_config:set(Conf, Opt, Value)
end, Config, Opts);
override_opts(add, Config, Opts) ->
lists:foldl(fun({Opt, Value}, Conf) ->
V = rebar_config:get_local(Conf, Opt, []),
rebar_config:set(Conf, Opt, V ++ Value)
end, Config, Opts);
override_opts(del, Config, Opts) ->
lists:foldl(fun({Opt, Value}, Conf) ->
V = rebar_config:get_local(Conf, Opt, []),
rebar_config:set(Conf, Opt, V -- Value)
end, Config, Opts).
preprocess(Config, _Dirs) ->
Overrides = rebar_config:get_local(Config, overrides, []),
TopOverrides = case rebar_config:get_xconf(Config, top_overrides, []) of
[] -> Overrides;
Val -> Val
end,
Config2 = rebar_config:set_xconf(Config, top_overrides, TopOverrides),
try
Config3 = case rebar_app_utils:load_app_file(Config2, _Dirs) of
{ok, C, AppName, _AppData} ->
lists:foldl(fun({Type, AppName2, Opts}, Conf1) when
AppName2 == AppName ->
override_opts(Type, Conf1, Opts);
({Type, Opts}, Conf1a) ->
override_opts(Type, Conf1a, Opts);
(_, Conf2) ->
Conf2
end, C, TopOverrides);
_ ->
Config2
end,
{ok, Config3, []}
catch
error:badarg -> {ok, Config2, []}
end.
