return db key on update requests

lib/pleroma/config/config_db.ex

@@ -16,6 +16,7 @@ defmodule Pleroma.ConfigDB do
     field(:key, :string)
     field(:group, :string)
     field(:value, :binary)
+    field(:db, {:array, :string}, virtual: true, default: [])
 
     timestamps()
   end
@@ -61,6 +62,22 @@ defmodule Pleroma.ConfigDB do
     |> Repo.update()
   end
 
+  @spec get_db_keys(ConfigDB.t()) :: [String.t()]
+  def get_db_keys(%ConfigDB{} = config) do
+    config.value
+    |> ConfigDB.from_binary()
+    |> get_db_keys(config.key)
+  end
+
+  @spec get_db_keys(keyword() | any()) :: [String.t()]
+  def get_db_keys(value, key) do
+    if Keyword.keyword?(value) do
+      value |> Keyword.keys() |> Enum.map(&convert(&1))
+    else
+      [convert(key)]
+    end
+  end
+
   @full_key_update [
     {:pleroma, :ecto_repos},
     {:pleroma, :assets},
@@ -317,7 +334,7 @@ defmodule Pleroma.ConfigDB do
 
   @spec is_module_name?(String.t()) :: boolean()
   def is_module_name?(string) do
-    Regex.match?(~r/^(Pleroma|Phoenix|Tesla|Quack)\./, string) or
+    Regex.match?(~r/^(Pleroma|Phoenix|Tesla|Quack|Ueberauth)\./, string) or
       string in ["Oban", "Ueberauth", "ExSyslogger"]
   end
 end

lib/pleroma/config/holder.ex

@@ -15,8 +15,8 @@ defmodule Pleroma.Config.Loader do
     # support for Elixir less than 1.9
     @spec load() :: map()
     def load do
-      {config, _paths} = load("config/config.exs")
-      {env_config, _paths} = load("config/#{Mix.env()}.exs")
+      config = load("config/config.exs")
+      env_config = load("config/#{Mix.env()}.exs")
 
       Mix.Config.merge(config, env_config)
     end

lib/pleroma/config/transfer_task.ex

@@ -66,7 +66,9 @@ defmodule Pleroma.Config.TransferTask do
     rescue
       e ->
         Logger.warn(
-          "updating env causes error, key: #{inspect(setting.key)}, error: #{inspect(e)}"
+          "updating env causes error, group: #{inspect(setting.group)}, key: #{
+            inspect(setting.key)
+          }, value: #{inspect(ConfigDB.from_binary(setting.value))}, error: #{inspect(e)}"
         )
 
         nil