bin/second_curtain in second_curtain-0.3.0 vs bin/second_curtain in second_curtain-0.4.0

@@ -25,13 +25,10 @@
   path_prefix = ENV['UPLOAD_IOS_SNAPSHOT_BUCKET_PREFIX'] || '/'
   if !path_prefix.end_with?('/')
     path_prefix += '/'
   end
 
-  folder_name = ENV['UPLOAD_IOS_SNAPSHOT_FOLDER_NAME']
-  if !folder_name
-    folder_name = ENV['TRAVIS_JOB_ID']
-  end
+  folder_name = ENV['UPLOAD_IOS_SNAPSHOT_FOLDER_NAME'] || ENV['TRAVIS_JOB_ID'] || ENV['CIRCLE_BUILD_NUM']
 
   if !folder_name
     now = DateTime.now()
     folder_name = now.strftime('%Y-%m-%d--%H-%M')
   end