fix for plugin installation and code paths

1 files changed, 17 insertions, 0 deletions

diff --git a/src/rebar_utils.erl b/src/rebar_utils.erl
index ffa29e6..cc59ed0 100644
--- a/src/rebar_utils.erl
+++ b/src/rebar_utils.erl
@@ -48,6 +48,7 @@
          erl_opts/1,
          indent/1,
          update_code/1,
+         remove_from_code_path/1,
          cleanup_code_path/1,
          args_to_tasks/1,
          expand_env_variable/3,
@@ -581,6 +582,22 @@ update_code(Paths) ->
                           end
                   end, Paths).
 
+remove_from_code_path(Paths) ->
+    lists:foreach(fun(Path) ->
+                          Name = filename:basename(Path, "/ebin"),
+                          App = list_to_atom(Name),
+                          application:load(App),
+                          case application:get_key(App, modules) of
+                              undefined ->
+                                  application:unload(App),
+                                  ok;
+                              {ok, Modules} ->
+                                  application:unload(App),
+                                  [begin code:purge(M), code:delete(M) end || M <- Modules]
+                          end,
+                          code:del_path(Path)
+                  end, Paths).
+
 cleanup_code_path(OrigPath) ->
     CurrentPath = code:get_path(),
     AddedPaths = CurrentPath -- OrigPath,