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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Config.Holder do
   6   @config Pleroma.Config.Loader.default_config()
   7
   8   @spec to_ets() :: true
   9   def to_ets do
  10     :ets.new(:default_config, [:named_table, :protected])
  11
  12     default_config =
  13       if System.get_env("RELEASE_NAME") do
  14         release_config =
  15           [:code.root_dir(), "releases", System.get_env("RELEASE_VSN"), "releases.exs"]
  16           |> Path.join()
  17           |> Pleroma.Config.Loader.read()
  18
  19         Pleroma.Config.Loader.merge(@config, release_config)
  20       else
  21         @config
  22       end
  23
  24     :ets.insert(:default_config, {:config, default_config})
  25   end
  26
  27   @spec default_config() :: keyword()
  28   def default_config, do: from_ets()
  29
  30   @spec default_config(atom()) :: keyword()
  31   def default_config(group), do: Keyword.get(from_ets(), group)
  32
  33   @spec default_config(atom(), atom()) :: keyword()
  34   def default_config(group, key), do: get_in(from_ets(), [group, key])
  35
  36   defp from_ets do
  37     [{:config, default_config}] = :ets.lookup(:default_config, :config)
  38     default_config
  39   end
  40 end