From 13355bcd2649ef461a5f3294d152d6fb5ecbcfd8 Mon Sep 17 00:00:00 2001
From: Jon Carstens <jjcarstens@me.com>
Date: Mon, 5 Feb 2024 08:46:35 -0700
Subject: [PATCH] Support `File.stream!/3` in multiple Elixir versions

For UploadFile, this adds backwards compatible support for streaming
file contents to NervesHub via the `File.stream!/3` function which
reordered arguments in Elixir >- 1.16
---
 lib/nerves_hub_link/upload_file.ex | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/lib/nerves_hub_link/upload_file.ex b/lib/nerves_hub_link/upload_file.ex
index 4d33788..2617a55 100644
--- a/lib/nerves_hub_link/upload_file.ex
+++ b/lib/nerves_hub_link/upload_file.ex
@@ -39,7 +39,7 @@ defmodule NervesHubLink.UploadFile do
 
     :ok = Socket.start_uploading(state.socket_pid, filename)
 
-    File.stream!(state.file_path, 1024)
+    file_stream!(state)
     |> Stream.with_index()
     |> Stream.each(fn {chunk, index} ->
       :ok = Socket.upload_data(state.socket_pid, filename, index, chunk)
@@ -50,4 +50,10 @@ defmodule NervesHubLink.UploadFile do
 
     {:noreply, state}
   end
+
+  if Version.match?(System.version(), ">= 1.16.0") do
+    def file_stream!(state), do: File.stream!(state.file_path, 1024, [])
+  else
+    def file_stream!(state), do: File.stream!(state.file_path, [], 1024)
+  end
 end