unifies os_info between zig_get and zigler

.github/workflows/macos.yml

@@ -46,5 +46,5 @@ jobs:
       - name: Run Tests
         env:
           RUNNING_CI: "true"
-          CI_LOG_LEVEL: "info"
+          CI_LOG_LEVEL: warning
         run: mix test --exclude no_ci

installer/mix.tasks/zig.get.ex

@@ -1,3 +1,16 @@
+defmodule Zig.Get do
+  def os_info do
+    :system_architecture
+    |> :erlang.system_info()
+    |> to_string
+    |> String.split("-")
+    |> decode_os_info()
+  end
+
+  defp decode_os_info([arch, "apple" | _]), do: {"macos", arch}
+  defp decode_os_info([arch, _vendor, os | _]), do: {os, arch}
+end
+
 defmodule Mix.Tasks.Zig.Get do
   use Mix.Task
 
@@ -88,7 +101,7 @@ defmodule Mix.Tasks.Zig.Get do
   @default_version Zig.Get.MixProject.project()[:version]
 
   defp defaults do
-    {os, arch} = os_info()
+    {os, arch} = Zig.Get.os_info()
 
     %__MODULE__{
       version: @default_version,
@@ -98,17 +111,6 @@ defmodule Mix.Tasks.Zig.Get do
     }
   end
 
-  defp os_info do
-    :system_architecture
-    |> :erlang.system_info()
-    |> to_string
-    |> String.split("-")
-    |> decode_os_info()
-  end
-
-  defp decode_os_info([arch, "apple" | _]), do: {"macos", arch}
-  defp decode_os_info([arch, _vendor, os | _]), do: {os, arch}
-
   defp ensure_tar(%{os: "windows"} = opts), do: opts
 
   defp ensure_tar(opts) do

lib/zig/command.ex

@@ -165,7 +165,7 @@ defmodule Zig.Command do
   end
 
   defp versioned_path(path) do
-    {os, arch} = os_info()
+    {os, arch} = Zig.Get.os_info()
 
     zig_executable = Path.join(path, "zig-#{os}-#{arch}-#{@default_version}/zig")
 
@@ -174,16 +174,6 @@ defmodule Zig.Command do
     if File.exists?(zig_executable), do: zig_executable
   end
 
-  defp os_info do
-    :system_architecture
-    |> :erlang.system_info()
-    |> to_string
-    |> String.split("-")
-    |> decode_os_info()
-  end
-
-  defp decode_os_info([arch, _vendor, os | _]), do: {os, arch}
-
   defp src_lib_name(module) do
     case {Target.resolve(), :os.type()} do
       {nil, {:unix, :darwin}} ->