honkoma/lib/pleroma/config/loader.ex

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# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Config.Loader do
@paths ["config/config.exs", "config/#{Mix.env()}.exs"]
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@reject_keys [
Pleroma.Repo,
Pleroma.Web.Endpoint,
:env,
:configurable_from_database,
:database,
:swarm
]
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if Code.ensure_loaded?(Config.Reader) do
@spec load(Path.t()) :: keyword()
def load(path), do: Config.Reader.read!(path)
defp do_merge(conf1, conf2), do: Config.Reader.merge(conf1, conf2)
else
# support for Elixir less than 1.9
@spec load(Path.t()) :: keyword()
def load(path) do
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path
|> Mix.Config.eval!()
|> elem(0)
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end
defp do_merge(conf1, conf2), do: Mix.Config.merge(conf1, conf2)
end
@spec load_and_merge() :: keyword()
def load_and_merge do
all_paths =
if Pleroma.Config.get(:release),
do: @paths ++ ["config/releases.exs"],
else: @paths
all_paths
|> Enum.map(&load(&1))
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|> Enum.reduce([], &do_merge(&2, &1))
|> filter()
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end
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defp filter(configs) do
configs
|> Keyword.keys()
|> Enum.reduce([], &Keyword.put(&2, &1, filter_group(&1, configs)))
end
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@spec filter_group(atom(), keyword()) :: keyword()
def filter_group(group, configs) do
Enum.reject(configs[group], fn {key, _v} ->
key in @reject_keys or (group == :phoenix and key == :serve_endpoints)
end)
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end
end