From 82bb0dd5d1e005f8a8bd6229da6ae05dcf0108b1 Mon Sep 17 00:00:00 2001
From: Sebastian Serth <Sebastian.Serth@hpi.de>
Date: Mon, 19 Dec 2022 16:10:38 +0100
Subject: [PATCH] Return default for `retrieve_files`

Fixes CODEOCEAN-G7
---
 lib/runner/strategy/docker_container_pool.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/runner/strategy/docker_container_pool.rb b/lib/runner/strategy/docker_container_pool.rb
index c13be88d..6e56529d 100644
--- a/lib/runner/strategy/docker_container_pool.rb
+++ b/lib/runner/strategy/docker_container_pool.rb
@@ -106,6 +106,7 @@ class Runner::Strategy::DockerContainerPool < Runner::Strategy
 
   def retrieve_files(path: './', recursive: true, privileged_execution: false)
     # The DockerContainerPool does not support retrieving files from the runner.
+    {'files' => []}
   end
 
   def attach_to_execution(command, event_loop, starting_time, privileged_execution: false) # rubocop:disable Lint/UnusedMethodArgument for the keyword argument