X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;ds=sidebyside;f=lib%2Fpleroma%2Fweb%2Factivity_pub%2Factivity_pub.ex;h=bc7b5d95a6925e98d5f67237d832f6be50322785;hb=bdf57b8ef438f32999ef917777b13161320644a8;hp=8da5cf938be96a3a12d5ab6130a9fb11757f173f;hpb=ce9514000db1e08a69b8874f21e66261b9261d86;p=akkoma

diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex
index 8da5cf938..bc7b5d95a 100644
--- a/lib/pleroma/web/activity_pub/activity_pub.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
@@ -1376,13 +1376,28 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
     end
   end
 
-  def maybe_handle_clashing_nickname(nickname) do
-    with %User{} = old_user <- User.get_by_nickname(nickname) do
-      Logger.info("Found an old user for #{nickname}, ap id is #{old_user.ap_id}, renaming.")
+  def maybe_handle_clashing_nickname(data) do
+    nickname = data[:nickname]
+
+    with %User{} = old_user <- User.get_by_nickname(nickname),
+         {_, false} <- {:ap_id_comparison, data[:ap_id] == old_user.ap_id} do
+      Logger.info(
+        "Found an old user for #{nickname}, the old ap id is #{old_user.ap_id}, new one is #{
+          data[:ap_id]
+        }, renaming."
+      )
 
       old_user
       |> User.remote_user_changeset(%{nickname: "#{old_user.id}.#{old_user.nickname}"})
       |> User.update_and_set_cache()
+    else
+      {:ap_id_comparison, true} ->
+        Logger.info(
+          "Found an old user for #{nickname}, but the ap id #{data[:ap_id]} is the same as the new user. Race condition? Not changing anything."
+        )
+
+      _ ->
+        nil
     end
   end
 
@@ -1398,7 +1413,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
           |> User.remote_user_changeset(data)
           |> User.update_and_set_cache()
         else
-          maybe_handle_clashing_nickname(data[:nickname])
+          maybe_handle_clashing_nickname(data)
 
           data
           |> User.remote_user_changeset()