From 26151920c0d4de475577c7b7e0c8e34f7105d693 Mon Sep 17 00:00:00 2001
From: Sebastian Serth <Sebastian.Serth@hpi.de>
Date: Tue, 11 May 2021 10:43:48 +0200
Subject: [PATCH] Prevent docker cleaning if no docker test was performed

---
 spec/support/docker.rb | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/spec/support/docker.rb b/spec/support/docker.rb
index e2be05f9..4879e92c 100644
--- a/spec/support/docker.rb
+++ b/spec/support/docker.rb
@@ -15,6 +15,10 @@ RSpec.configure do |config|
   end
 
   config.after(:suite) do
+    examples = RSpec.world.filtered_examples.values.flatten
+    has_docker_tests = examples.any? { |example| example.metadata[:docker] }
+    next unless has_docker_tests
+
     FileUtils.rm_rf(Rails.root.join('tmp', 'files', 'test'))
     `which docker && test -n "$(docker ps --all --quiet)" && docker rm --force $(docker ps --all --quiet)`
   end