dialyzed.

apps/wiggle/src/wiggle_rest_handler.erl

@@ -80,12 +80,22 @@ resource_exists(Req, State = #state{module = M}) ->
             {true, Req, State#state{obj = Obj}}
     end.
 
+-ifndef(old_hash).
+
 generate_etag(Req, State = #state{obj = undefined}) ->
     {undefined, Req, State};
+generate_etag(Req, State = #state{obj = Obj}) ->
+    {{strong, base64:encode(crypto:hash(md5, term_to_binary(Obj)))}, Req, State}.
+
+-else.
 
+generate_etag(Req, State = #state{obj = undefined}) ->
+    {undefined, Req, State};
 generate_etag(Req, State = #state{obj = Obj}) ->
     {{strong, base64:encode(crypto:md5(term_to_binary(Obj)))}, Req, State}.
 
+-endif.
+
 is_authorized(Req, State = #state{method = <<"OPTIONS">>}) ->
     {true, Req, State};
 

dialyzer.mittigate

@@ -6,3 +6,5 @@
 ^mimetypes
 ^lhttpc
 ^newrelic.erl
+^glc_code.erl:
+^lager.erl

rebar.config.script

@@ -0,0 +1,11 @@
+case erlang:system_info(otp_release) =< "R15B01" of
+    true  ->
+        HashDefine = [{d,old_hash}],
+        case lists:keysearch(erl_opts, 1, CONFIG) of
+            {value, {erl_opts, Opts}} ->
+                lists:keyreplace(erl_opts,1,CONFIG,{erl_opts,Opts++HashDefine});
+            false ->
+                CONFIG ++ [{erl_opts, HashDefine}]
+        end;
+    false -> CONFIG
+end.