Fix rendering of static assets

Author: lsegal

app/controllers/yard_controller.rb

@@ -74,13 +74,20 @@ def respond
       expires_in 1.day, public: true
     end
 
-    if status == 200 && !request.path.starts_with?("/search") && !request.path.starts_with?("/static")
+    if use_template?
       render :show
     else
       render plain: body.first, status: status, headers: headers, content_type: headers["Content-Type"]
     end
   end
 
+  def use_template?
+    return false if status != 200
+    return false if %w[/search /static].any? { |path| request.path.starts_with?(path) }
+    return false if params[:rest].to_s.starts_with?("file/")
+    true
+  end
+
   def visit_library
     FileUtils.touch(library_version.source_path)
   end