Call earlier deps configure scripts durring compilation

1 files changed, 32 insertions, 0 deletions

diff --git a/plugins/override_opts.erl b/plugins/override_opts.erl
new file mode 100644
index 000000000..1b83fb6a1
--- /dev/null
+++ b/plugins/override_opts.erl
@@ -0,0 +1,32 @@
+-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, [Value | V])
+		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),
+    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);
+				     (_, Conf2) ->
+					  Conf2
+				  end, C, TopOverrides);
+		  _ ->
+		      Config2
+    end,
+    {ok, Config3, []}.