Only return X-Couch-Id (rev is available in ETag)

src/couchdb/couch_httpd.erl

@@ -692,19 +692,19 @@ send_json(Req, Code, Headers, Value) ->
         {"Content-Type", negotiate_content_type(Req)},
         {"Cache-Control", "must-revalidate"}
     ],
-    IdAndRevHeaders = case Value of
-                      {Props} when is_list(Props) ->
-                          case {lists:keyfind(id, 1, Props), lists:keyfind(rev, 1, Props)} of
-                          {{_, Id}, {_, Rev}} ->
-                              [{"X-Couch-Id", Id}, {"X-Couch-Rev", Rev}];
-                          _ ->
-                              []
-                          end;
-                      _ ->
-                          []
-                      end,
+    IdHeader = case Value of
+                   {Props} when is_list(Props) ->
+                       case lists:keyfind(id, 1, Props) of
+                           {_, Id} ->
+                               [{"X-Couch-Id", Id}];
+                           _ ->
+                               []
+                       end;
+                   _ ->
+                       []
+               end,
     Body = [start_jsonp(), ?JSON_ENCODE(Value), end_jsonp(), $\n],
-    send_response(Req, Code, DefaultHeaders ++ IdAndRevHeaders ++ Headers, Body).
+    send_response(Req, Code, DefaultHeaders ++ IdHeader ++ Headers, Body).
 
 start_json_response(Req, Code) ->
     start_json_response(Req, Code, []).