From bc60d794f8411daa3c4c1541fb373309e4c029b6 Mon Sep 17 00:00:00 2001
From: Eugen Rochko <eugen@zeonfederated.com>
Date: Tue, 2 Jul 2019 00:59:53 +0200
Subject: [PATCH] Change ActivityPub::DeliveryWorker to not retry HTTP 501
 errors (#11233)

---
 app/workers/activitypub/delivery_worker.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/workers/activitypub/delivery_worker.rb b/app/workers/activitypub/delivery_worker.rb
index 79f1e81536..818fd8f5d9 100644
--- a/app/workers/activitypub/delivery_worker.rb
+++ b/app/workers/activitypub/delivery_worker.rb
@@ -54,7 +54,7 @@ class ActivityPub::DeliveryWorker
   end
 
   def response_error_unsalvageable?(response)
-    (400...500).cover?(response.code) && ![401, 408, 429].include?(response.code)
+    response.code == 501 || ((400...500).cover?(response.code) && ![401, 408, 429].include?(response.code))
   end
 
   def failure_tracker
-- 
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