From 842364792f03f99f4347d7dbce2a7bd39d1fcc33 Mon Sep 17 00:00:00 2001
From: Charles Oliver Nutter <headius@headius.com>
Date: Sat, 27 Jul 2019 14:18:39 +0800
Subject: Use host_os from RbConfig to detect host OS.

RUBY_PLATFORM on JRuby is always "java", so it will not reflect
the host operating system. This regex appears to be the consensus
way to detect Windows based on a search of Ruby code on Github:

https://github.com/search?q=%2Fmswin%7Cmsys%7Cmingw%7Ccygwin%7Cbccwin%7Cwince%7Cemc%2F&type=Code
---
 lib/reline.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib/reline.rb')

diff --git a/lib/reline.rb b/lib/reline.rb
index 5bb47d5d3f..aefcf7a5b5 100644
--- a/lib/reline.rb
+++ b/lib/reline.rb
@@ -14,7 +14,7 @@ module Reline
   FILENAME_COMPLETION_PROC = nil
   USERNAME_COMPLETION_PROC = nil
 
-  if RUBY_PLATFORM =~ /mswin|mingw/
+  if RbConfig::CONFIG['host_os'] =~ /mswin|msys|mingw|cygwin|bccwin|wince|emc/
     IS_WINDOWS = true
   else
     IS_WINDOWS = false
-- 
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