[#3259] MediaTableMigrator: state clearance on job restart.

lib/pleroma/migrators/media_table_migrator.ex

@@ -72,6 +72,8 @@ defmodule Pleroma.Migrators.MediaTableMigrator do
 
   @impl true
   def handle_info(:process_attachments, state) do
+    State.clear()
+
     data_migration = data_migration()
 
     persistent_data = Map.take(data_migration.data, ["max_processed_id"])

lib/pleroma/migrators/media_table_migrator/state.ex

@@ -12,6 +12,10 @@ defmodule Pleroma.Migrators.MediaTableMigrator.State do
     Agent.start_link(fn -> @init_state end, name: @reg_name)
   end
 
+  def clear do
+    Agent.update(@reg_name, fn _state -> @init_state end)
+  end
+
   def get do
     Agent.get(@reg_name, & &1)
   end