add --paths option to bare compile provider

src/rebar_prv_bare_compile.erl

@@ -19,22 +19,35 @@
 
 -spec init(rebar_state:t()) -> {ok, rebar_state:t()}.
 init(State) ->
-    State1 = rebar_state:add_provider(State, providers:create([{name, ?PROVIDER},
-                                                               {module, ?MODULE},
-                                                               {namespace, ?NAMESPACE},
-                                                               {bare, false},
-                                                               {deps, ?DEPS},
-                                                               {example, ""},
-                                                               {short_desc, ""},
-                                                               {desc, ""},
-                                                               {opts, []}])),
+    State1 =
+        rebar_state:add_provider(State,
+                                providers:create([{name, ?PROVIDER},
+                                                  {module, ?MODULE},
+                                                  {namespace, ?NAMESPACE},
+                                                  {bare, false},
+                                                  {deps, ?DEPS},
+                                                  {example, ""},
+                                                  {short_desc, ""},
+                                                  {desc, ""},
+                                                  {opts, [{paths, $p, "paths", string, "Wildcard path of ebin directories to add to code path"}]}])),
     {ok, State1}.
 
 -spec do(rebar_state:t()) -> {ok, rebar_state:t()} | {error, string()}.
 do(State) ->
+    OrigPath = code:get_path(),
+
+    %% Add code paths from --paths to the beginning of the code path
+    {RawOpts, _} = rebar_state:command_parsed_args(State),
+    Paths = proplists:get_value(paths, RawOpts),
+    CodePaths = filelib:wildcard(Paths),
+    code:add_pathsa(CodePaths),
+
     [AppInfo] = rebar_state:project_apps(State),
     AppInfo1 = rebar_app_info:out_dir(AppInfo, rebar_dir:get_cwd()),
     rebar_prv_compile:compile(State, AppInfo1),
+
+    rebar_utils:cleanup_code_path(OrigPath),
+
     {ok, State}.
 
 -spec format_error(any()) -> iolist().