Merge branch 'docs/debian-packages' into 'develop'

[akkoma] / lib / pleroma / config / loader.ex

diff --git a/lib/pleroma/config/loader.ex b/lib/pleroma/config/loader.ex
index b13b6eaf487d7a39e834ad152c01fc4bd40ea8aa..6ca6550bd7d37b434c13469376da4a7c582b6a9b 100644 (file)
--- a/lib/pleroma/config/loader.ex
+++ b/lib/pleroma/config/loader.ex
@@ -1,39 +1,53 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Config.Loader do
-  @paths ["config/config.exs", "config/#{Mix.env()}.exs"]
+  @reject_keys [
+    Pleroma.Repo,
+    Pleroma.Web.Endpoint,
+    :env,
+    :configurable_from_database,
+    :database,
+    :swarm
+  ]
 
   if Code.ensure_loaded?(Config.Reader) do
-    @spec load(Path.t()) :: keyword()
-    def load(path), do: Config.Reader.read!(path)
+    @reader Config.Reader
 
-    defp do_merge(conf1, conf2), do: Config.Reader.merge(conf1, conf2)
+    def read(path), do: @reader.read!(path)
   else
     # support for Elixir less than 1.9
-    @spec load(Path.t()) :: keyword()
-    def load(path) do
-      {config, _paths} = Mix.Config.eval!(path)
-      config
+    @reader Mix.Config
+    def read(path) do
+      path
+      |> @reader.eval!()
+      |> elem(0)
     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
+  @spec read(Path.t()) :: keyword()
 
-    all_paths
-    |> Enum.map(&load(&1))
-    |> merge()
+  @spec merge(keyword(), keyword()) :: keyword()
+  def merge(c1, c2), do: @reader.merge(c1, c2)
+
+  @spec default_config() :: keyword()
+  def default_config do
+    "config/config.exs"
+    |> read()
+    |> filter()
   end
 
-  @spec merge([keyword()], keyword()) :: keyword()
-  def merge(configs, acc \\ [])
-  def merge([], acc), do: acc
+  defp filter(configs) do
+    configs
+    |> Keyword.keys()
+    |> Enum.reduce([], &Keyword.put(&2, &1, filter_group(&1, configs)))
+  end
 
-  def merge([config | others], acc) do
-    merge(others, do_merge(acc, config))
+  @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)
   end
 end