From 92da224d228be6a38b5e86ea43290e6e5a33df45 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Fri, 10 Jan 2020 17:19:42 +0900
Subject: [PATCH] [ruby/io-console] Delegate to JRuby version

Add `--platform` option tentatively.

https://github.com/ruby/io-console/commit/3bf1a7b753
---
 ext/io/console/io-console.gemspec | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/ext/io/console/io-console.gemspec b/ext/io/console/io-console.gemspec
index 8a0df83b2c..49c9b3ae40 100644
--- a/ext/io/console/io-console.gemspec
+++ b/ext/io/console/io-console.gemspec
@@ -21,5 +21,20 @@ Gem::Specification.new do |s|
     lib/io/console/size.rb
   ]
   s.extensions = %w[ext/io/console/extconf.rb]
+
+  if i = ARGV.index("--") and !(argv = ARGV[i+1..-1]).empty?
+    OptionParser.new(__FILE__) do |opt|
+      opt.on("--platform=PLATFORM") {|p| s.platform = p}
+    end.parse!(argv)
+  end
+  if Gem::Platform === s.platform and s.platform =~ 'java'
+    s.files.delete_if {|f| f.start_with?("ext/")}
+    s.extensions.clear
+    s.require_paths.unshift("jruby")
+    s.files.concat(%w[
+      jruby/io/console.rb
+    ])
+  end
+
   s.licenses = ["Ruby", "BSD-2-Clause"]
 end