* lib/rubygems.rb, lib/rubygems/*, test/rubygems/*: Update rubygems-2.6.3.

  Please see entries of 2.6.3 on
  https://github.com/rubygems/rubygems/blob/master/History.txt

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54500 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

21 files changed, 137 insertions, 173 deletions

diff --git a/lib/rubygems.rb b/lib/rubygems.rb
index 6b2016fd9b..78d612af63 100644
--- a/lib/rubygems.rb
+++ b/lib/rubygems.rb
@@ -10,7 +10,7 @@ require 'rbconfig'
 require 'thread'
 
 module Gem
-  VERSION = '2.6.2'
+  VERSION = '2.6.3'
 end
 
 # Must be first since it unloads the prelude from 1.9.2
@@ -374,8 +374,9 @@ module Gem
         when Array
           unless Gem::Deprecate.skip
             warn <<-eowarn
-Array values in the parameter are deprecated. Please use a String or nil.
-An Array was passed in from #{caller[3]}
+Array values in the parameter to `Gem.paths=` are deprecated.
+Please use a String or nil.
+An Array (#{env.inspect}) was passed in from #{caller[3]}
             eowarn
           end
           target[k] = v.join File::PATH_SEPARATOR
diff --git a/lib/rubygems/basic_specification.rb b/lib/rubygems/basic_specification.rb
index 86f2248b52..5aed17437e 100644
--- a/lib/rubygems/basic_specification.rb
+++ b/lib/rubygems/basic_specification.rb
@@ -306,6 +306,8 @@ class Gem::BasicSpecification
     raise NotImplementedError
   end
 
+  def this; self; end
+
   private
 
   def have_extensions?; !extensions.empty?; end
@@ -323,5 +325,4 @@ class Gem::BasicSpecification
       false
     end
   end
-
 end
diff --git a/lib/rubygems/commands/install_command.rb b/lib/rubygems/commands/install_command.rb
index 4dd2f943c1..3a7d50517f 100644
--- a/lib/rubygems/commands/install_command.rb
+++ b/lib/rubygems/commands/install_command.rb
@@ -36,52 +36,6 @@ class Gem::Commands::InstallCommand < Gem::Command
     add_version_option
     add_prerelease_option "to be installed. (Only for listed gems)"
 
-    add_option(:"Install/Update", '-g', '--file [FILE]',
-               'Read from a gem dependencies API file and',
-               'install the listed gems') do |v,o|
-      v = Gem::GEM_DEP_FILES.find do |file|
-        File.exist? file
-      end unless v
-
-      unless v then
-        message = v ? v : "(tried #{Gem::GEM_DEP_FILES.join ', '})"
-
-        raise OptionParser::InvalidArgument,
-                "cannot find gem dependencies file #{message}"
-      end
-
-      o[:gemdeps] = v
-    end
-
-    add_option(:"Install/Update", '--without GROUPS', Array,
-               'Omit the named groups (comma separated)',
-               'when installing from a gem dependencies',
-               'file') do |v,o|
-      o[:without_groups].concat v.map { |without| without.intern }
-    end
-
-    add_option(:"Install/Update", '--default',
-               'Add the gem\'s full specification to',
-               'specifications/default and extract only its bin') do |v,o|
-      o[:install_as_default] = v
-    end
-
-    add_option(:"Install/Update", '--explain',
-               'Rather than install the gems, indicate which would',
-               'be installed') do |v,o|
-      o[:explain] = v
-    end
-
-    add_option(:"Install/Update", '--[no-]lock',
-               'Create a lock file (when used with -g/--file)') do |v,o|
-      o[:lock] = v
-    end
-
-    add_option(:"Install/Update", '--[no-]suggestions',
-               'Suggest alternates when gems are not found') do |v,o|
-      o[:suggest_alternate] = v
-    end
-
     @installed_specs = []
   end
 
diff --git a/lib/rubygems/commands/owner_command.rb b/lib/rubygems/commands/owner_command.rb
index e507c988d6..4b99434e87 100644
--- a/lib/rubygems/commands/owner_command.rb
+++ b/lib/rubygems/commands/owner_command.rb
@@ -66,7 +66,7 @@ permission to.
 
       say "Owners for gem: #{name}"
       owners.each do |owner|
-        say "- #{owner['email']}"
+        say "- #{owner['email'] || owner['handle'] || owner['id']}"
       end
     end
   end
@@ -97,4 +97,3 @@ permission to.
   end
 
 end
-
diff --git a/lib/rubygems/commands/pristine_command.rb b/lib/rubygems/commands/pristine_command.rb
index a5a348dc72..6cab572b86 100644
--- a/lib/rubygems/commands/pristine_command.rb
+++ b/lib/rubygems/commands/pristine_command.rb
@@ -92,8 +92,8 @@ extensions will be restored.
                 spec.extensions and not spec.extensions.empty?
               end
             else
-              get_all_gem_names.map do |gem_name|
-                Gem::Specification.find_all_by_name gem_name, options[:version]
+              get_all_gem_names.sort.map do |gem_name|
+                Gem::Specification.find_all_by_name(gem_name, options[:version]).reverse
               end.flatten
             end
 
diff --git a/lib/rubygems/commands/query_command.rb b/lib/rubygems/commands/query_command.rb
index d6196b44ed..fb2d6a53c8 100644
--- a/lib/rubygems/commands/query_command.rb
+++ b/lib/rubygems/commands/query_command.rb
@@ -247,7 +247,7 @@ is too hard to use.
     spec_summary     entry, spec
   end
 
-  def entry_versions entry, name_tuples, platforms
+  def entry_versions entry, name_tuples, platforms, specs
     return unless options[:versions]
 
     list =
@@ -256,7 +256,16 @@ is too hard to use.
       else
         platforms.sort.reverse.map do |version, pls|
           if pls == [Gem::Platform::RUBY] then
-            version
+            if options[:domain] == :remote || specs.all? { |spec| spec.is_a? Gem::Source }
+              version
+            else
+              spec = specs.select { |spec| spec.version == version }
+              if spec.first.default_gem?
+                "default: #{version}"
+              else
+                version
+              end
+            end
           else
             ruby = pls.delete Gem::Platform::RUBY
             platform_list = [ruby, *pls.sort].compact
@@ -277,7 +286,7 @@ is too hard to use.
 
     entry = [name_tuples.first.name]
 
-    entry_versions entry, name_tuples, platforms
+    entry_versions entry, name_tuples, platforms, specs
     entry_details  entry, detail_tuple, specs, platforms
 
     entry.join
diff --git a/lib/rubygems/core_ext/kernel_require.rb b/lib/rubygems/core_ext/kernel_require.rb
index 99093a1338..aa56ab5ec4 100755
--- a/lib/rubygems/core_ext/kernel_require.rb
+++ b/lib/rubygems/core_ext/kernel_require.rb
@@ -104,7 +104,7 @@ module Kernel
 
       # Ok, now find a gem that has no conflicts, starting
       # at the highest version.
-      valid = found_specs.reject { |s| s.has_conflicts? }.last
+      valid = found_specs.reject { |s| s.has_conflicts? }.first
 
       unless valid then
         le = Gem::LoadError.new "unable to find a version of '#{names.first}' to activate"
diff --git a/lib/rubygems/dependency.rb b/lib/rubygems/dependency.rb
index b7aea4692b..ecfd0b7909 100644
--- a/lib/rubygems/dependency.rb
+++ b/lib/rubygems/dependency.rb
@@ -286,9 +286,7 @@ class Gem::Dependency
       }
     end
 
-    # `stubs_for` returns oldest first, but `matching_specs` is supposed to
-    # return newest first, so just reverse the list
-    matches.reverse
+    matches
   end
 
   ##
@@ -307,18 +305,10 @@ class Gem::Dependency
       specs = Gem::Specification.stubs_for name
 
       if specs.empty?
-        total = Gem::Specification.stubs.size
-        msg   = "Could not find '#{name}' (#{requirement}) among #{total} total gem(s)\n".dup
+        raise Gem::MissingSpecError.new name, requirement
       else
-        specs = specs.map(&:full_name)
-        msg   = "Could not find '#{name}' (#{requirement}) - did find: [#{specs.join ','}]\n".dup
+        raise Gem::MissingSpecVersionError.new name, requirement, specs
       end
-      msg << "Checked in 'GEM_PATH=#{Gem.path.join(File::PATH_SEPARATOR)}', execute `gem env` for more information"
-
-      error = Gem::LoadError.new(msg)
-      error.name        = self.name
-      error.requirement = self.requirement
-      raise error
     end
 
     # TODO: any other resolver validations should go here
diff --git a/lib/rubygems/errors.rb b/lib/rubygems/errors.rb
index 8304647546..f607d14938 100644
--- a/lib/rubygems/errors.rb
+++ b/lib/rubygems/errors.rb
@@ -20,6 +20,49 @@ module Gem
     attr_accessor :requirement
   end
 
+  ##
+  # Raised when trying to activate a gem, and that gem does not exist on the
+  # system.  Instead of rescuing from this class, make sure to rescue from the
+  # superclass Gem::LoadError to catch all types of load errors.
+  class MissingSpecError < Gem::LoadError
+    def initialize name, requirement
+      @name        = name
+      @requirement = requirement
+    end
+
+    def message # :nodoc:
+      build_message +
+        "Checked in 'GEM_PATH=#{Gem.path.join(File::PATH_SEPARATOR)}', execute `gem env` for more information"
+    end
+
+    private
+
+    def build_message
+      total = Gem::Specification.stubs.size
+      "Could not find '#{name}' (#{requirement}) among #{total} total gem(s)\n"
+    end
+  end
+
+  ##
+  # Raised when trying to activate a gem, and the gem exists on the system, but
+  # not the requested version. Instead of rescuing from this class, make sure to
+  # rescue from the superclass Gem::LoadError to catch all types of load errors.
+  class MissingSpecVersionError < MissingSpecError
+    attr_reader :specs
+
+    def initialize name, requirement, specs
+      super(name, requirement)
+      @specs = specs
+    end
+
+    private
+
+    def build_message
+      names = specs.map(&:full_name)
+      "Could not find '#{name}' (#{requirement}) - did find: [#{names.join ','}]\n"
+    end
+  end
+
   # Raised when there are conflicting gem specs loaded
 
   class ConflictError < LoadError
diff --git a/lib/rubygems/install_update_options.rb b/lib/rubygems/install_update_options.rb
index b2ab419800..5559c94370 100644
--- a/lib/rubygems/install_update_options.rb
+++ b/lib/rubygems/install_update_options.rb
@@ -180,6 +180,52 @@ module Gem::InstallUpdateOptions
       options[:post_install_message] = value
     end
 
+    add_option(:"Install/Update", '-g', '--file [FILE]',
+               'Read from a gem dependencies API file and',
+               'install the listed gems') do |v,o|
+      v = Gem::GEM_DEP_FILES.find do |file|
+        File.exist? file
+      end unless v
+
+      unless v then
+        message = v ? v : "(tried #{Gem::GEM_DEP_FILES.join ', '})"
+
+        raise OptionParser::InvalidArgument,
+                "cannot find gem dependencies file #{message}"
+      end
+
+      options[:gemdeps] = v
+    end
+
+    add_option(:"Install/Update", '--without GROUPS', Array,
+               'Omit the named groups (comma separated)',
+               'when installing from a gem dependencies',
+               'file') do |v,o|
+      options[:without_groups].concat v.map { |without| without.intern }
+    end
+
+    add_option(:"Install/Update", '--default',
+               'Add the gem\'s full specification to',
+               'specifications/default and extract only its bin') do |v,o|
+      options[:install_as_default] = v
+    end
+
+    add_option(:"Install/Update", '--explain',
+               'Rather than install the gems, indicate which would',
+               'be installed') do |v,o|
+      options[:explain] = v
+    end
+
+    add_option(:"Install/Update", '--[no-]lock',
+               'Create a lock file (when used with -g/--file)') do |v,o|
+      options[:lock] = v
+    end
+
+    add_option(:"Install/Update", '--[no-]suggestions',
+               'Suggest alternates when gems are not found') do |v,o|
+      options[:suggest_alternate] = v
+    end
+
   end
 
   ##
diff --git a/lib/rubygems/installer.rb b/lib/rubygems/installer.rb
index a88d393336..1813c9a27d 100644
--- a/lib/rubygems/installer.rb
+++ b/lib/rubygems/installer.rb
@@ -231,7 +231,7 @@ class Gem::Installer
     question = "#{spec.name}'s executable \"#{filename}\" conflicts with ".dup
 
     if ruby_executable then
-      question << existing
+      question << (existing || 'an unknown executable')
 
       return if ask_yes_no "#{question}\nOverwrite the executable?", false
 
diff --git a/lib/rubygems/request.rb b/lib/rubygems/request.rb
index 7f2cb30e98..9de04a0c4b 100644
--- a/lib/rubygems/request.rb
+++ b/lib/rubygems/request.rb
@@ -40,7 +40,7 @@ class Gem::Request
   def cert_files; @connection_pool.cert_files; end
 
   def self.get_cert_files
-    pattern = File.expand_path("./ssl_certs/*.pem", File.dirname(__FILE__))
+    pattern = File.expand_path("./ssl_certs/*/*.pem", File.dirname(__FILE__))
     Dir.glob(pattern)
   end
 
diff --git a/lib/rubygems/specification.rb b/lib/rubygems/specification.rb
index 8ff6299a41..b3066f2003 100644
--- a/lib/rubygems/specification.rb
+++ b/lib/rubygems/specification.rb
@@ -849,7 +849,7 @@ class Gem::Specification < Gem::BasicSpecification
       pattern = "#{name}-*.gemspec"
       stubs = default_stubs(pattern) + installed_stubs(dirs, pattern)
       stubs = uniq_by(stubs) { |stub| stub.full_name }.group_by(&:name)
-      stubs.each_value { |v| sort_by!(v) { |i| i.version } }
+      stubs.each_value { |v| _resort!(v) }
 
       @@stubs_by_name.merge! stubs
       @@stubs_by_name[name] ||= EMPTY
@@ -1074,7 +1074,7 @@ class Gem::Specification < Gem::BasicSpecification
   def self.find_in_unresolved_tree path
     specs = unresolved_deps.values.map { |dep| dep.to_specs }.flatten
 
-    specs.reverse_each do |spec|
+    specs.each do |spec|
       spec.traverse do |from_spec, dep, to_spec, trail|
         if to_spec.has_conflicts? || to_spec.conficts_when_loaded_with?(trail)
           :next
@@ -2613,7 +2613,7 @@ class Gem::Specification < Gem::BasicSpecification
     begin
       dependencies.each do |dep|
         next unless dep.runtime?
-        dep.to_specs.reverse_each do |dep_spec|
+        dep.to_specs.each do |dep_spec|
           next if visited.has_key?(dep_spec)
           visited[dep_spec] = true
           trail.push(dep_spec)
diff --git a/lib/rubygems/ssl_certs/AddTrustExternalCARoot.pem b/lib/rubygems/ssl_certs/AddTrustExternalCARoot.pem
deleted file mode 100644
index 6fbdf52b17..0000000000
--- a/lib/rubygems/ssl_certs/AddTrustExternalCARoot.pem
+++ /dev/null
@@ -1,32 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIFdDCCBFygAwIBAgIQJ2buVutJ846r13Ci/ITeIjANBgkqhkiG9w0BAQwFADBv
-MQswCQYDVQQGEwJTRTEUMBIGA1UEChMLQWRkVHJ1c3QgQUIxJjAkBgNVBAsTHUFk
-ZFRydXN0IEV4dGVybmFsIFRUUCBOZXR3b3JrMSIwIAYDVQQDExlBZGRUcnVzdCBF
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-pu/xO28QOG8=
------END CERTIFICATE-----
diff --git a/lib/rubygems/ssl_certs/Class3PublicPrimaryCertificationAuthority.pem b/lib/rubygems/ssl_certs/Class3PublicPrimaryCertificationAuthority.pem
deleted file mode 100644
index 87676acf5f..0000000000
--- a/lib/rubygems/ssl_certs/Class3PublicPrimaryCertificationAuthority.pem
+++ /dev/null
@@ -1,14 +0,0 @@
------BEGIN CERTIFICATE-----
-MIICPDCCAaUCEHC65B0Q2Sk0tjjKewPMur8wDQYJKoZIhvcNAQECBQAwXzELMAkG
-A1UEBhMCVVMxFzAVBgNVBAoTDlZlcmlTaWduLCBJbmMuMTcwNQYDVQQLEy5DbGFz
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------END CERTIFICATE-----
diff --git a/lib/rubygems/ssl_certs/EntrustnetSecureServerCertificationAuthority.pem b/lib/rubygems/ssl_certs/EntrustnetSecureServerCertificationAuthority.pem
deleted file mode 100644
index 4b8939ccba..0000000000
--- a/lib/rubygems/ssl_certs/EntrustnetSecureServerCertificationAuthority.pem
+++ /dev/null
@@ -1,28 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIE2DCCBEGgAwIBAgIEN0rSQzANBgkqhkiG9w0BAQUFADCBwzELMAkGA1UEBhMC
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-b24gQXV0aG9yaXR5MQ0wCwYDVQQDEwRDUkwxMCmgJ6AlhiNodHRwOi8vd3d3LmVu
-dHJ1c3QubmV0L0NSTC9uZXQxLmNybDArBgNVHRAEJDAigA8xOTk5MDUyNTE2MDk0
-MFqBDzIwMTkwNTI1MTYwOTQwWjALBgNVHQ8EBAMCAQYwHwYDVR0jBBgwFoAU8Bdi
-E1U9s/8KAGv7UISX8+1i0BowHQYDVR0OBBYEFPAXYhNVPbP/CgBr+1CEl/PtYtAa
-MAwGA1UdEwQFMAMBAf8wGQYJKoZIhvZ9B0EABAwwChsEVjQuMAMCBJAwDQYJKoZI
-hvcNAQEFBQADgYEAkNwwAvpkdMKnCqV8IY00F6j7Rw7/JXyNEwr75Ji174z4xRAN
-95K+8cPV1ZVqBLssziY2ZcgxxufuP+NXdYR6Ee9GTxj005i7qIcyunL2POI9n9cd
-2cNgQ4xYDiKWL2KjLB+6rQXvqzJ4h6BUcxm1XAX5Uj5tLUUL9wqT6u0G+bI=
------END CERTIFICATE-----
diff --git a/lib/rubygems/ssl_certs/GeoTrustGlobalCA.pem b/lib/rubygems/ssl_certs/GeoTrustGlobalCA.pem
deleted file mode 100644
index bcb2529761..0000000000
--- a/lib/rubygems/ssl_certs/GeoTrustGlobalCA.pem
+++ /dev/null
@@ -1,20 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIDVDCCAjygAwIBAgIDAjRWMA0GCSqGSIb3DQEBBQUAMEIxCzAJBgNVBAYTAlVT
-MRYwFAYDVQQKEw1HZW9UcnVzdCBJbmMuMRswGQYDVQQDExJHZW9UcnVzdCBHbG9i
-YWwgQ0EwHhcNMDIwNTIxMDQwMDAwWhcNMjIwNTIxMDQwMDAwWjBCMQswCQYDVQQG
-EwJVUzEWMBQGA1UEChMNR2VvVHJ1c3QgSW5jLjEbMBkGA1UEAxMSR2VvVHJ1c3Qg
-R2xvYmFsIENBMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2swYYzD9
-9BcjGlZ+W988bDjkcbd4kdS8odhM+KhDtgPpTSEHCIjaWC9mOSm9BXiLnTjoBbdq
-fnGk5sRgprDvgOSJKA+eJdbtg/OtppHHmMlCGDUUna2YRpIuT8rxh0PBFpVXLVDv
-iS2Aelet8u5fa9IAjbkU+BQVNdnARqN7csiRv8lVK83Qlz6cJmTM386DGXHKTubU
-1XupGc1V3sjs0l44U+VcT4wt/lAjNvxm5suOpDkZALeVAjmRCw7+OC7RHQWa9k0+
-bw8HHa8sHo9gOeL6NlMTOdReJivbPagUvTLrGAMoUgRx5aszPeE4uwc2hGKceeoW
-MPRfwCvocWvk+QIDAQABo1MwUTAPBgNVHRMBAf8EBTADAQH/MB0GA1UdDgQWBBTA
-ephojYn7qwVkDBF9qn1luMrMTjAfBgNVHSMEGDAWgBTAephojYn7qwVkDBF9qn1l
-uMrMTjANBgkqhkiG9w0BAQUFAAOCAQEANeMpauUvXVSOKVCUn5kaFOSPeCpilKIn
-Z57QzxpeR+nBsqTP3UEaBU6bS+5Kb1VSsyShNwrrZHYqLizz/Tt1kL/6cdjHPTfS
-tQWVYrmm3ok9Nns4d0iXrKYgjy6myQzCsplFAMfOEVEiIuCl6rYVSAlk6l5PdPcF
-PseKUgzbFbS9bZvlxrFUaKnjaZC2mqUPuLk/IH2uSrW4nOQdtqvmlKXBx4Ot2/Un
-hw4EbNX/3aBd7YdStysVAq45pmp06drE57xNNB6pXE0zX5IJL4hmXXeXxx12E6nV
-5fEWCRE11azbJHFwLJhWC9kXtNHjUStedejV0NxPNO3CBWaAocvmMw==
------END CERTIFICATE-----
diff --git a/lib/rubygems/ssl_certs/index.rubygems.org/GlobalSignRoot.pem b/lib/rubygems/ssl_certs/index.rubygems.org/GlobalSignRoot.pem
new file mode 100644
index 0000000000..471f3c553b
--- /dev/null
+++ b/lib/rubygems/ssl_certs/index.rubygems.org/GlobalSignRoot.pem
@@ -0,0 +1,18 @@
+-----BEGIN CERTIFICATE-----
+MIIDdTCCAl2gAwIBAgILBAAAAAABFUtaw5QwDQYJKoZIhvcNAQEFBQAwVzELMAkGA1UEBhMCQkUx
+GTAXBgNVBAoTEEdsb2JhbFNpZ24gbnYtc2ExEDAOBgNVBAsTB1Jvb3QgQ0ExGzAZBgNVBAMTEkds
+b2JhbFNpZ24gUm9vdCBDQTAeFw05ODA5MDExMjAwMDBaFw0yODAxMjgxMjAwMDBaMFcxCzAJBgNV
+BAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMRAwDgYDVQQLEwdSb290IENBMRswGQYD
+VQQDExJHbG9iYWxTaWduIFJvb3QgQ0EwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDa
+DuaZjc6j40+Kfvvxi4Mla+pIH/EqsLmVEQS98GPR4mdmzxzdzxtIK+6NiY6arymAZavpxy0Sy6sc
+THAHoT0KMM0VjU/43dSMUBUc71DuxC73/OlS8pF94G3VNTCOXkNz8kHp1Wrjsok6Vjk4bwY8iGlb
+Kk3Fp1S4bInMm/k8yuX9ifUSPJJ4ltbcdG6TRGHRjcdGsnUOhugZitVtbNV4FpWi6cgKOOvyJBNP
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+HRMBAf8EBTADAQH/MB0GA1UdDgQWBBRge2YaRQ2XyolQL30EzTSo//z9SzANBgkqhkiG9w0BAQUF
+AAOCAQEA1nPnfE920I2/7LqivjTFKDK1fPxsnCwrvQmeU79rXqoRSLblCKOzyj1hTdNGCbM+w6Dj
+Y1Ub8rrvrTnhQ7k4o+YviiY776BQVvnGCv04zcQLcFGUl5gE38NflNUVyRRBnMRddWQVDf9VMOyG
+j/8N7yy5Y0b2qvzfvGn9LhJIZJrglfCm7ymPAbEVtQwdpf5pLGkkeB6zpxxxYu7KyJesF12KwvhH
+hm4qxFYxldBniYUr+WymXUadDKqC5JlR3XC321Y9YeRq4VzW9v493kHMB65jUr9TU/Qr6cf9tveC
+X4XSQRjbgbMEHMUfpIBvFSDJ3gyICh3WZlXi/EjJKSZp4A==
+-----END CERTIFICATE-----
\ No newline at end of file
diff --git a/lib/rubygems/ssl_certs/DigiCertHighAssuranceEVRootCA.pem b/lib/rubygems/ssl_certs/rubygems.global.ssl.fastly.net/DigiCertHighAssuranceEVRootCA.pem
index 9e6810ab70..9e6810ab70 100644
--- a/lib/rubygems/ssl_certs/DigiCertHighAssuranceEVRootCA.pem
+++ b/lib/rubygems/ssl_certs/rubygems.global.ssl.fastly.net/DigiCertHighAssuranceEVRootCA.pem
diff --git a/lib/rubygems/ssl_certs/AddTrustExternalCARoot-2048.pem b/lib/rubygems/ssl_certs/rubygems.org/AddTrustExternalCARoot-2048.pem
index 20585f1c01..20585f1c01 100644
--- a/lib/rubygems/ssl_certs/AddTrustExternalCARoot-2048.pem
+++ b/lib/rubygems/ssl_certs/rubygems.org/AddTrustExternalCARoot-2048.pem
diff --git a/lib/rubygems/stub_specification.rb b/lib/rubygems/stub_specification.rb
index 61df5a2262..1c56a102c5 100644
--- a/lib/rubygems/stub_specification.rb
+++ b/lib/rubygems/stub_specification.rb
@@ -89,8 +89,6 @@ class Gem::StubSpecification < Gem::BasicSpecification
     end
   end
 
-  def this; self; end
-
   def default_gem?
     @default_gem
   end
@@ -212,4 +210,3 @@ class Gem::StubSpecification < Gem::BasicSpecification
   end
 
 end
-