From cf957eb71591cc7e9a7cedfffbabfa67ad771c7b Mon Sep 17 00:00:00 2001
From: Sebastian Serth <Sebastian.Serth@hpi.de>
Date: Fri, 4 Nov 2022 17:30:30 +0100
Subject: [PATCH] Prevent reference_implementation to be copied to Runner

---
 app/models/submission.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/app/models/submission.rb b/app/models/submission.rb
index 2bb12e8c..41b593d6 100644
--- a/app/models/submission.rb
+++ b/app/models/submission.rb
@@ -205,6 +205,7 @@ class Submission < ApplicationRecord
     begin
       runner = Runner.for(user, exercise.execution_environment)
       files = collect_files
+      files.reject!(&:reference_implementation?)
       files.reject!(&:teacher_defined_assessment?) if cause == 'run'
       Rails.logger.debug { "#{Time.zone.now.getutc.inspect}: Copying files to Runner #{runner.id} for #{user_type} #{user_id} and Submission #{id}." }
       runner.copy_files(files)