From a94332819463589fe4537cc62beb41a0ee354cf3 Mon Sep 17 00:00:00 2001
From: hsbt <hsbt@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 25 Nov 2018 01:20:00 +0000
Subject: Use stub executables generated by RubyGems istead of original
 executables. It resolved the conflict issues when invoking `gem i rdoc` and
 the binstub issues with Bundler and Rails.

  [Bug #5060][ruby-core:38257][Fix GH-2023]

  * https://github.com/rubygems/rubygems/pull/2338
  * https://github.com/heroku/heroku-buildpack-ruby/issues/829

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65963 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 bin/irb | 28 ++++++++++++++++++++++------
 1 file changed, 22 insertions(+), 6 deletions(-)

(limited to 'bin/irb')

diff --git a/bin/irb b/bin/irb
index c64ee85fbd..e44609a1b0 100755
--- a/bin/irb
+++ b/bin/irb
@@ -1,11 +1,27 @@
 #!/usr/bin/env ruby
 #
-#   irb.rb - interactive ruby
-#   	$Release Version: 0.9.6 $
-#   	$Revision$
-#   	by Keiju ISHITSUKA(keiju@ruby-lang.org)
+# This file was generated by RubyGems.
 #
+# The application 'irb' is installed as part of a gem, and
+# this file is here to facilitate running it.
+#
+
+require 'rubygems'
+
+version = ">= 0.a"
 
-require "irb"
+if ARGV.first
+  str = ARGV.first
+  str = str.dup.force_encoding("BINARY") if str.respond_to? :force_encoding
+  if str =~ /\A_(.*)_\z/ and Gem::Version.correct?($1) then
+    version = $1
+    ARGV.shift
+  end
+end
 
-IRB.start(__FILE__)
+if Gem.respond_to?(:activate_bin_path)
+load Gem.activate_bin_path('irb', 'irb', version)
+else
+gem "irb", version
+load Gem.bin_path("irb", "irb", version)
+end
-- 
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