From c480dd39a968e65fc432e0fe278dae1036c29afb Mon Sep 17 00:00:00 2001
From: Shaun Jackman <sjackman@gmail.com>
Date: Mon, 13 Aug 2018 23:38:48 -0700
Subject: [PATCH] Warn if os/linux is loaded on generic OS

---
 Library/Homebrew/os/linux.rb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Library/Homebrew/os/linux.rb b/Library/Homebrew/os/linux.rb
index e5af301b2f..f78a675422 100644
--- a/Library/Homebrew/os/linux.rb
+++ b/Library/Homebrew/os/linux.rb
@@ -5,6 +5,8 @@ module OS
 
     ::MacOS = self # rubocop:disable Naming/ConstantName
 
+    raise "Loaded OS::Linux on generic OS!" if ENV["HOMEBREW_TEST_GENERIC_OS"]
+
     def prefer_64_bit?
       Hardware::CPU.is_64_bit?
     end