lib/sapience/config_loader.rb in sapience-1.0.14 vs lib/sapience/config_loader.rb in sapience-1.0.15

@@ -44,14 +44,15 @@
       def application_config_file
         File.join(root_dir, "config", SAPIENCE_FILE)
       end
 
       def root_dir
-        if defined?(::Rack::Directory)
-          Rack::Directory.new("").root
-        else
-          Dir.pwd
-        end
+        @root_dir ||=
+          if defined?(::Rack::Directory)
+            Rack::Directory.new("").root
+          else
+            Dir.pwd
+          end
       end
 
       def load_yaml_configuration(absolute_path)
         return {} unless File.exist?(absolute_path)
         text      = IO.read(absolute_path, encoding: "UTF-8")