From d845b4f2940709090e187577302523c4245897b0 Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 10 May 2017 19:19:38 +0000
Subject: [PATCH] Show garbages if requiring gem_runner is failed

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58657 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/rubygems/test_gem_gem_runner.rb | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/test/rubygems/test_gem_gem_runner.rb b/test/rubygems/test_gem_gem_runner.rb
index d68ac4da81..a9ce4e77d8 100644
--- a/test/rubygems/test_gem_gem_runner.rb
+++ b/test/rubygems/test_gem_gem_runner.rb
@@ -1,6 +1,15 @@
 # frozen_string_literal: true
 require 'rubygems/test_case'
-require 'rubygems/gem_runner'
+begin
+  require 'rubygems/gem_runner'
+ensure
+  if $!
+    if Dir.exist?(ENV["GEM_HOME"])
+      require "find"
+      Find.find(ENV["GEM_HOME"]).each{|l|puts l}
+    end
+  end
+end
 
 class TestGemGemRunner < Gem::TestCase