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diff --git a/priv/repo/migrations/20200323122421_mrf_config_move_from_instance_namespace.exs b/priv/repo/migrations/20200323122421_mrf_config_move_from_instance_namespace.exs
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+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Repo.Migrations.MrfConfigMoveFromInstanceNamespace do
+  use Ecto.Migration
+
+  alias Pleroma.ConfigDB
+
+  @old_keys [:rewrite_policy, :mrf_transparency, :mrf_transparency_exclusions]
+  def change do
+    config = ConfigDB.get_by_params(%{group: :pleroma, key: :instance})
+
+    if config do
+      mrf =
+        config.value
+        |> Keyword.take(@old_keys)
+        |> Keyword.new(fn
+          {:rewrite_policy, policies} -> {:policies, policies}
+          {:mrf_transparency, transparency} -> {:transparency, transparency}
+          {:mrf_transparency_exclusions, exclusions} -> {:transparency_exclusions, exclusions}
+        end)
+
+      if mrf != [] do
+        {:ok, _} =
+          %ConfigDB{}
+          |> ConfigDB.changeset(%{group: :pleroma, key: :mrf, value: mrf})
+          |> Pleroma.Repo.insert()
+
+        new_instance = Keyword.drop(config.value, @old_keys)
+
+        if new_instance != [] do
+          {:ok, _} =
+            config
+            |> ConfigDB.changeset(%{value: new_instance})
+            |> Pleroma.Repo.update()
+        else
+          {:ok, _} = ConfigDB.delete(config)
+        end
+      end
+    end
+  end
+end