more clean up

lib/pleroma/http/adapter_helper/gun.ex

@@ -22,7 +22,7 @@ defmodule Pleroma.HTTP.AdapterHelper.Gun do
   @spec options(keyword(), URI.t()) :: keyword()
   def options(incoming_opts \\ [], %URI{} = uri) do
     proxy =
-      Pleroma.Config.get([:http, :proxy_url], nil)
+      Pleroma.Config.get([:http, :proxy_url])
       |> AdapterHelper.format_proxy()
 
     config_opts = Pleroma.Config.get([:http, :adapter], [])

lib/pleroma/http/adapter_helper/hackney.ex

@@ -11,7 +11,7 @@ defmodule Pleroma.HTTP.AdapterHelper.Hackney do
 
   @spec options(keyword(), URI.t()) :: keyword()
   def options(connection_opts \\ [], %URI{} = uri) do
-    proxy = Pleroma.Config.get([:http, :proxy_url], nil)
+    proxy = Pleroma.Config.get([:http, :proxy_url])
 
     config_opts = Pleroma.Config.get([:http, :adapter], [])
 

lib/pleroma/http/connection.ex

@@ -30,12 +30,12 @@ def options(%URI{} = uri, opts \\ []) do
     @defaults
     |> pool_timeout()
     |> Keyword.merge(opts)
-    |> adapter().options(uri)
+    |> adapter_helper().options(uri)
   end
 
   defp pool_timeout(opts) do
     {config_key, default} =
-      if Application.get_env(:tesla, :adapter) == Tesla.Adapter.Gun do
+      if adapter() == Tesla.Adapter.Gun do
         {:pools, Config.get([:pools, :default, :timeout])}
       else
         {:hackney_pools, 10_000}
@@ -47,10 +47,12 @@ defp pool_timeout(opts) do
   end
 
   @spec after_request(keyword()) :: :ok
-  def after_request(opts), do: adapter().after_request(opts)
+  def after_request(opts), do: adapter_helper().after_request(opts)
 
-  defp adapter do
-    case Application.get_env(:tesla, :adapter) do
+  defp adapter, do: Application.get_env(:tesla, :adapter)
+
+  defp adapter_helper do
+    case adapter() do
       Tesla.Adapter.Gun -> AdapterHelper.Gun
       Tesla.Adapter.Hackney -> AdapterHelper.Hackney
       _ -> AdapterHelper

lib/pleroma/pool/request.ex

@@ -39,7 +39,6 @@ def handle_info({:gun_up, _conn, _protocol}, state) do
 
   @impl true
   def handle_info({:gun_down, _conn, _protocol, _reason, _killed}, state) do
-    # don't flush messages here, because gun can reconnect
     {:noreply, state}
   end
 

lib/pleroma/pool/supervisor.ex

@@ -13,16 +13,13 @@ def start_link(args) do
   end
 
   def init(_) do
-    children =
-      [
-        %{
+    conns_child = %{
       id: Pool.Connections,
       start:
         {Pool.Connections, :start_link, [{:gun_connections, Config.get([:connections_pool])}]}
     }
-      ] ++ pools()
 
-    Supervisor.init(children, strategy: :one_for_one)
+    Supervisor.init([conns_child | pools()], strategy: :one_for_one)
   end
 
   defp pools do

lib/pleroma/reverse_proxy/client/tesla.ex

@@ -3,11 +3,11 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.ReverseProxy.Client.Tesla do
+  @behaviour Pleroma.ReverseProxy.Client
+
   @type headers() :: [{String.t(), String.t()}]
   @type status() :: pos_integer()
 
-  @behaviour Pleroma.ReverseProxy.Client
-
   @spec request(atom(), String.t(), headers(), String.t(), keyword()) ::
           {:ok, status(), headers}
           | {:ok, status(), headers, map()}
@@ -18,7 +18,7 @@ defmodule Pleroma.ReverseProxy.Client.Tesla do
   def request(method, url, headers, body, opts \\ []) do
     check_adapter()
 
-    opts = Keyword.merge(opts, body_as: :chunks)
+    opts = Keyword.put(opts, :body_as, :chunks)
 
     with {:ok, response} <-
            Pleroma.HTTP.request(
@@ -39,7 +39,8 @@ def request(method, url, headers, body, opts \\ []) do
   end
 
   @impl true
-  @spec stream_body(map()) :: {:ok, binary(), map()} | {:error, atom() | String.t()} | :done
+  @spec stream_body(map()) ::
+          {:ok, binary(), map()} | {:error, atom() | String.t()} | :done | no_return()
   def stream_body(%{pid: pid, opts: opts, fin: true}) do
     # if connection was reused, but in tesla were redirects,
     # tesla returns new opened connection, which must be closed manually

lib/pleroma/reverse_proxy/reverse_proxy.ex

@@ -59,7 +59,7 @@ defmodule Pleroma.ReverseProxy do
 
   * `req_headers`, `resp_headers` additional headers.
 
-  * `http`: options for [gun](https://github.com/ninenines/gun).
+  * `http`: options for [hackney](https://github.com/benoitc/hackney) or [gun](https://github.com/ninenines/gun).
 
   """
   @default_options [pool: :media]