Search plugin sources in base_dir and plugin_dir

src/rebar_core.erl

@@ -407,10 +407,14 @@ load_plugin_modules(Config, Modules) ->
                         Dir
                 end,
 
-    %% Find relevant sources
+    %% Find relevant sources in base_dir and plugin_dir
     Erls = string:join([atom_to_list(M)++"\\.erl" || M <- Modules], "|"),
-    RE = ".*" ++ Erls ++ "\$",
-    Sources = rebar_utils:find_files(PluginDir, RE),
+    RE = "^" ++ Erls ++ "\$",
+    BaseDir = rebar_config:get_global(base_dir, []),
+    %% If a plugin is found in base_dir and plugin_dir the clash
+    %% will provoke an error and we'll abort.
+    Sources = rebar_utils:find_files(PluginDir, RE, false)
+        ++ rebar_utils:find_files(BaseDir, RE, false),
 
     %% Compile and load plugins
     Loaded = [load_plugin(Src) || Src <- Sources],

src/rebar_utils.erl

@@ -32,6 +32,7 @@
          wordsize/0,
          sh/2,
          find_files/2,
+         find_files/3,
          now_str/0,
          ensure_dir/1,
          beam_to_mod/2, beams/1,
@@ -127,7 +128,11 @@ patch_on_windows(Cmd, Env) ->
     end.
 
 find_files(Dir, Regex) ->
-    filelib:fold_files(Dir, Regex, true, fun(F, Acc) -> [F | Acc] end, []).
+    find_files(Dir, Regex, true).
+
+find_files(Dir, Regex, Recursive) ->
+    filelib:fold_files(Dir, Regex, Recursive,
+                       fun(F, Acc) -> [F | Acc] end, []).
 
 now_str() ->
     {{Year, Month, Day}, {Hour, Minute, Second}} = calendar:local_time(),