1 files changed, 6 insertions, 0 deletions
diff --git a/scripts/build b/scripts/build
index c7f4846f..79a1cfe7 100755
--- a/scripts/build
+++ b/scripts/build
@@ -77,6 +77,12 @@ def load_data()
         filetype["extensions"] ||= []
         filetype["filenames"] ||= []
         filetype["interpreters"] ||= []
+
+        filetype.keys.each do |key|
+          if key.start_with?("extra_")
+            raise "[#{filetype["name"]}]: #{key} is not allowed if linguist is not used"
+          end
+        end
       end
     end
   end