From 64ce7711c0c428531ae09472c85df85cd3d1b603 Mon Sep 17 00:00:00 2001
From: hsbt <hsbt@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 28 Mar 2016 02:30:28 +0000
Subject: * lib/rubygems.rb: Fix `Gem.find_spec_for_exe` picks oldest gem.  
 https://github.com/travis-ci/travis-ci/issues/5798  
 https://github.com/rubygems/rubygems/pull/1566 * test/rubygems/test_gem.rb:
 ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54309 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog                 |  7 +++++++
 lib/rubygems.rb           |  2 +-
 test/rubygems/test_gem.rb | 14 ++++++++++++++
 3 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index f1a4a1a55d..27285d2554 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+Mon Mar 28 11:30:23 2016  Shinichi Maeshima  <netwillnet@gmail.com>
+
+	* lib/rubygems.rb: Fix `Gem.find_spec_for_exe` picks oldest gem.
+	  https://github.com/travis-ci/travis-ci/issues/5798
+	  https://github.com/rubygems/rubygems/pull/1566
+	* test/rubygems/test_gem.rb: ditto.
+
 Mon Mar 28 11:26:31 2016  SHIBATA Hiroshi  <hsbt@ruby-lang.org>
 
 	* lib/rubygems.rb, lib/rubygems/*, test/rubygems/*: Update rubygems-2.6.2.
diff --git a/lib/rubygems.rb b/lib/rubygems.rb
index 8783756cd9..6b2016fd9b 100644
--- a/lib/rubygems.rb
+++ b/lib/rubygems.rb
@@ -254,7 +254,7 @@ module Gem
       spec.executables.include? exec_name
     } if exec_name
 
-    unless spec = specs.last
+    unless spec = specs.first
       msg = "can't find gem #{name} (#{requirements}) with executable #{exec_name}"
       raise Gem::GemNotFoundException, msg
     end
diff --git a/test/rubygems/test_gem.rb b/test/rubygems/test_gem.rb
index e78f874b4e..931c9e498d 100644
--- a/test/rubygems/test_gem.rb
+++ b/test/rubygems/test_gem.rb
@@ -143,6 +143,20 @@ class TestGem < Gem::TestCase
     assert_match 'a-1/bin/exec', Gem.bin_path('a', 'exec', '>= 0')
   end
 
+  def test_self_bin_path_picking_newest
+    a1 = util_spec 'a', '1' do |s|
+      s.executables = ['exec']
+    end
+
+    a2 = util_spec 'a', '2' do |s|
+      s.executables = ['exec']
+    end
+
+    install_specs a1, a2
+
+    assert_match 'a-2/bin/exec', Gem.bin_path('a', 'exec', '>= 0')
+  end
+
   def test_self_bin_path_no_exec_name
     e = assert_raises ArgumentError do
       Gem.bin_path 'a'
-- 
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