From bc21cf366eb29dda57f5962679c932fe433c892a Mon Sep 17 00:00:00 2001
From: Carlo Cabrera <30379873+carlocab@users.noreply.github.com>
Date: Thu, 31 Oct 2024 15:01:43 +0800
Subject: [PATCH] os: use native ruby calls for `uname`

This avoids the overhead of shelling out.
---
 Library/Homebrew/os.rb | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Library/Homebrew/os.rb b/Library/Homebrew/os.rb
index a22add846f..899db97692 100644
--- a/Library/Homebrew/os.rb
+++ b/Library/Homebrew/os.rb
@@ -30,8 +30,8 @@ module OS
   # @api public
   sig { returns(Version) }
   def self.kernel_version
-    require "utils/popen"
-    @kernel_version ||= T.let(Version.new(Utils.safe_popen_read("uname", "-r").chomp), T.nilable(Version))
+    require "etc"
+    @kernel_version ||= T.let(Version.new(Etc.uname.fetch(:release)), T.nilable(Version))
   end
 
   # Get the kernel name.
@@ -39,8 +39,8 @@ module OS
   # @api public
   sig { returns(String) }
   def self.kernel_name
-    require "utils/popen"
-    @kernel_name ||= T.let(Utils.safe_popen_read("uname", "-s").chomp, T.nilable(String))
+    require "etc"
+    @kernel_name ||= T.let(Etc.uname.fetch(:sysname), T.nilable(String))
   end
 
   ::OS_VERSION = T.let(ENV.fetch("HOMEBREW_OS_VERSION").freeze, String)