Fix up formatting and testing

README.md

@@ -15,7 +15,7 @@ Peridiod is configured via a json formatted file on the filesystem. The location
   * `extra_args`: A list of extra arguments to pass to the fwup command used for applying fwup archives. Helpful when needing to use the --unsafe flag in fwup.
   * `env`: A json object of `"ENV_VAR": "value"` pairs to decorate the environment which fwup is executed from.
 * `remote_shell`: Enable or disable the remote getty feature.
-* `remote_iex`: Enable or disable the remote IEx feature. Useful if you are deploying a Nerves distribution.
+* `remote_iex`: Enable or disable the remote IEx feature. Useful if you are deploying a Nerves distribution. Enabling this takes precedence over `remote_shell`
 * `node`: Node configuration settings
   * `key_pair_source`: Options are `file`, `uboot-env`, `pkcs11`. This determines the source of the identity key information.
   * `key_pair_config`: Different depending on the `key_pair_source`
@@ -126,7 +126,7 @@ config :peridiod,
 
 ## Running with Docker
 
-You can debug using docker by generating an SSL certificta eand private key pair that is trusted by Peridio Cloud and pass it into the container.
+You can debug using docker by generating an SSL certificate and private key pair that is trusted by Peridio Cloud and pass it into the container.
 
 Building the container:
 

lib/peridiod/fwup_config.ex

@@ -43,9 +43,8 @@ defmodule Peridiod.FwupConfig do
           update_available: update_available_fun
         }
 
-
   def parse_fwup_env(%{} = fwup_env), do: Enum.to_list(fwup_env)
-  def parse_fwup_env([_] = fwup_env), do: fwup_env
+  def parse_fwup_env(fwup_env) when is_list(fwup_env), do: fwup_env
 
   @doc "Raises an ArgumentError on invalid arguments"
   @spec validate!(t()) :: t()

lib/peridiod/socket.ex

@@ -154,6 +154,7 @@ defmodule Peridiod.Socket do
     if socket.assigns.remote_iex do
       RemoteConsole.IEx.window_change(socket.assigns.remote_console_pid, width, height)
     end
+
     {:ok, socket}
   end
 

lib/peridiod/update_manager.ex

@@ -261,14 +261,15 @@ defmodule Peridiod.UpdateManager do
 
   @spec fwup_args(FwupConfig.t()) :: [String.t()]
   defp fwup_args(%FwupConfig{} = config) do
-    args = [
-      "--apply",
-      "--no-unmount",
-      "-d",
-      config.fwup_devpath,
-      "--task",
-      config.fwup_task
-    ] ++ config.fwup_extra_args
+    args =
+      [
+        "--apply",
+        "--no-unmount",
+        "-d",
+        config.fwup_devpath,
+        "--task",
+        config.fwup_task
+      ] ++ config.fwup_extra_args
 
     Enum.reduce(config.fwup_public_keys, args, fn public_key, args ->
       args ++ ["--public-key", public_key]