fixes bug

scripts/workspace.lua

@@ -273,6 +273,21 @@ local function create(workdir, parent, attri)
         end
     end
 
+    function mt:__call(_, new_attri)
+        for k, v in pairs(new_attri) do
+            if arguments.args[k] == nil then
+                if ATTRIBUTE[k] == AttributePaths or ATTRIBUTE[k] == AttributeStrings then
+                    local t = {}
+                    push_strings(t, parent[k])
+                    push_strings(t, v)
+                    attri[k] = t
+                else
+                    attri[k] = v
+                end
+            end
+        end
+    end
+
     if globals == attri then
         function mt:__pairs()
             return function (_, k)

scripts/writer.lua

@@ -910,7 +910,9 @@ function api.conf(global_attribute, name)
     if type(name) == "table" then
         local local_attribute = name
         local root = normalize_rootdir(global_attribute.workdir, local_attribute.rootdir or global_attribute.rootdir)
-        workspace.resolve_attributes(global_attribute, local_attribute, root)
+        local attribute = {}
+        workspace.resolve_attributes(attribute, local_attribute, root)
+        global_attribute("set", attribute)
     else
         log.assert(type(name) == "string", "Name is not a string.")
         return function (local_attribute)