Merge RubyGems-3.3.1 and Bundler-2.3.1

38 files changed, 170 insertions, 253 deletions

diff --git a/lib/bundler/rubygems_gem_installer.rb b/lib/bundler/rubygems_gem_installer.rb
index bb9f1cb3f5..452583617b 100644
--- a/lib/bundler/rubygems_gem_installer.rb
+++ b/lib/bundler/rubygems_gem_installer.rb
@@ -67,7 +67,7 @@ module Bundler
     def build_extensions
       extension_cache_path = options[:bundler_extension_cache_path]
       unless extension_cache_path && extension_dir = spec.extension_dir
-        require "shellwords" # compensate missing require in rubygems before version 3.2.25
+        require "shellwords" unless Bundler.rubygems.provides?(">= 3.2.25")
         return super
       end
 
diff --git a/lib/bundler/self_manager.rb b/lib/bundler/self_manager.rb
index bda2eb51f3..d62ef6ca12 100644
--- a/lib/bundler/self_manager.rb
+++ b/lib/bundler/self_manager.rb
@@ -39,10 +39,13 @@ module Bundler
       configured_gem_home = ENV["GEM_HOME"]
       configured_gem_path = ENV["GEM_PATH"]
 
+      cmd = [$PROGRAM_NAME, *ARGV]
+      cmd.unshift(Gem.ruby) unless File.executable?($PROGRAM_NAME)
+
       Bundler.with_original_env do
         Kernel.exec(
           { "GEM_HOME" => configured_gem_home, "GEM_PATH" => configured_gem_path, "BUNDLER_VERSION" => lockfile_version },
-          $PROGRAM_NAME, *ARGV
+          *cmd
         )
       end
     end
diff --git a/lib/bundler/vendor/thor/lib/thor/actions.rb b/lib/bundler/vendor/thor/lib/thor/actions.rb
index de9323b2db..de9b3b4c86 100644
--- a/lib/bundler/vendor/thor/lib/thor/actions.rb
+++ b/lib/bundler/vendor/thor/lib/thor/actions.rb
@@ -161,6 +161,8 @@ class Bundler::Thor
     # to the block you provide. The path is set back to the previous path when
     # the method exits.
     #
+    # Returns the value yielded by the block.
+    #
     # ==== Parameters
     # dir<String>:: the directory to move to.
     # config<Hash>:: give :verbose => true to log and use padding.
@@ -179,16 +181,18 @@ class Bundler::Thor
         FileUtils.mkdir_p(destination_root)
       end
 
+      result = nil
       if pretend
         # In pretend mode, just yield down to the block
-        block.arity == 1 ? yield(destination_root) : yield
+        result = block.arity == 1 ? yield(destination_root) : yield
       else
         require "fileutils"
-        FileUtils.cd(destination_root) { block.arity == 1 ? yield(destination_root) : yield }
+        FileUtils.cd(destination_root) { result = block.arity == 1 ? yield(destination_root) : yield }
       end
 
       @destination_stack.pop
       shell.padding -= 1 if verbose
+      result
     end
 
     # Goes to the root and execute the given block.
diff --git a/lib/bundler/vendor/thor/lib/thor/actions/file_manipulation.rb b/lib/bundler/vendor/thor/lib/thor/actions/file_manipulation.rb
index 90a8d2e847..bf2a737c84 100644
--- a/lib/bundler/vendor/thor/lib/thor/actions/file_manipulation.rb
+++ b/lib/bundler/vendor/thor/lib/thor/actions/file_manipulation.rb
@@ -210,9 +210,9 @@ class Bundler::Thor
     #
     # ==== Examples
     #
-    #   inject_into_class "app/controllers/application_controller.rb", ApplicationController, "  filter_parameter :password\n"
+    #   inject_into_class "app/controllers/application_controller.rb", "ApplicationController", "  filter_parameter :password\n"
     #
-    #   inject_into_class "app/controllers/application_controller.rb", ApplicationController do
+    #   inject_into_class "app/controllers/application_controller.rb", "ApplicationController" do
     #     "  filter_parameter :password\n"
     #   end
     #
@@ -233,9 +233,9 @@ class Bundler::Thor
     #
     # ==== Examples
     #
-    #   inject_into_module "app/helpers/application_helper.rb", ApplicationHelper, "  def help; 'help'; end\n"
+    #   inject_into_module "app/helpers/application_helper.rb", "ApplicationHelper", "  def help; 'help'; end\n"
     #
-    #   inject_into_module "app/helpers/application_helper.rb", ApplicationHelper do
+    #   inject_into_module "app/helpers/application_helper.rb", "ApplicationHelper" do
     #     "  def help; 'help'; end\n"
     #   end
     #
@@ -252,7 +252,7 @@ class Bundler::Thor
     # flag<Regexp|String>:: the regexp or string to be replaced
     # replacement<String>:: the replacement, can be also given as a block
     # config<Hash>:: give :verbose => false to not log the status, and
-    #                :force => true, to force the replacement regardless of runner behavior.
+    #                :force => true, to force the replacement regardles of runner behavior.
     #
     # ==== Example
     #
@@ -331,7 +331,7 @@ class Bundler::Thor
       path = File.expand_path(path, destination_root)
 
       say_status :remove, relative_to_original_destination_root(path), config.fetch(:verbose, true)
-      if !options[:pretend] && File.exist?(path)
+      if !options[:pretend] && (File.exist?(path) || File.symlink?(path))
         require "fileutils"
         ::FileUtils.rm_rf(path)
       end
diff --git a/lib/bundler/vendor/thor/lib/thor/actions/inject_into_file.rb b/lib/bundler/vendor/thor/lib/thor/actions/inject_into_file.rb
index 09ce0864f0..f52ced2bcd 100644
--- a/lib/bundler/vendor/thor/lib/thor/actions/inject_into_file.rb
+++ b/lib/bundler/vendor/thor/lib/thor/actions/inject_into_file.rb
@@ -106,12 +106,14 @@ class Bundler::Thor
       # Adds the content to the file.
       #
       def replace!(regexp, string, force)
-        return if pretend?
         content = File.read(destination)
-        if force || !content.include?(replacement)
+        before, after = content.split(regexp, 2)
+        snippet = (behavior == :after ? after : before).to_s
+
+        if force || !snippet.include?(replacement)
           success = content.gsub!(regexp, string)
 
-          File.open(destination, "wb") { |file| file.write(content) }
+          File.open(destination, "wb") { |file| file.write(content) } unless pretend?
           success
         end
       end
diff --git a/lib/bundler/vendor/thor/lib/thor/core_ext/hash_with_indifferent_access.rb b/lib/bundler/vendor/thor/lib/thor/core_ext/hash_with_indifferent_access.rb
index c167aa33b8..3c4483e5dd 100644
--- a/lib/bundler/vendor/thor/lib/thor/core_ext/hash_with_indifferent_access.rb
+++ b/lib/bundler/vendor/thor/lib/thor/core_ext/hash_with_indifferent_access.rb
@@ -28,6 +28,12 @@ class Bundler::Thor
         super(convert_key(key))
       end
 
+      def except(*keys)
+        dup.tap do |hash|
+          keys.each { |key| hash.delete(convert_key(key)) }
+        end
+      end
+
       def fetch(key, *args)
         super(convert_key(key), *args)
       end
diff --git a/lib/bundler/vendor/thor/lib/thor/error.rb b/lib/bundler/vendor/thor/lib/thor/error.rb
index 7d57129b83..03f2ce85bb 100644
--- a/lib/bundler/vendor/thor/lib/thor/error.rb
+++ b/lib/bundler/vendor/thor/lib/thor/error.rb
@@ -102,9 +102,14 @@ class Bundler::Thor
   end
 
   if Correctable
-    DidYouMean::SPELL_CHECKERS.merge!(
-      'Bundler::Thor::UndefinedCommandError' => UndefinedCommandError::SpellChecker,
-      'Bundler::Thor::UnknownArgumentError' => UnknownArgumentError::SpellChecker
-    )
+    if DidYouMean.respond_to?(:correct_error)
+      DidYouMean.correct_error(Bundler::Thor::UndefinedCommandError, UndefinedCommandError::SpellChecker)
+      DidYouMean.correct_error(Bundler::Thor::UnknownArgumentError, UnknownArgumentError::SpellChecker)
+    else
+      DidYouMean::SPELL_CHECKERS.merge!(
+        'Bundler::Thor::UndefinedCommandError' => UndefinedCommandError::SpellChecker,
+        'Bundler::Thor::UnknownArgumentError' => UnknownArgumentError::SpellChecker
+      )
+    end
   end
 end
diff --git a/lib/bundler/vendor/thor/lib/thor/parser/options.rb b/lib/bundler/vendor/thor/lib/thor/parser/options.rb
index 3a8927d09c..5bd97aba6f 100644
--- a/lib/bundler/vendor/thor/lib/thor/parser/options.rb
+++ b/lib/bundler/vendor/thor/lib/thor/parser/options.rb
@@ -45,6 +45,7 @@ class Bundler::Thor
       @switches = {}
       @extra = []
       @stopped_parsing_after_extra_index = nil
+      @is_treated_as_value = false
 
       options.each do |option|
         @switches[option.switch_name] = option
@@ -74,8 +75,19 @@ class Bundler::Thor
       end
     end
 
+    def shift
+      @is_treated_as_value = false
+      super
+    end
+
+    def unshift(arg, is_value: false)
+      @is_treated_as_value = is_value
+      super(arg)
+    end
+
     def parse(args) # rubocop:disable MethodLength
       @pile = args.dup
+      @is_treated_as_value = false
       @parsing_options = true
 
       while peek
@@ -88,7 +100,10 @@ class Bundler::Thor
             when SHORT_SQ_RE
               unshift($1.split("").map { |f| "-#{f}" })
               next
-            when EQ_RE, SHORT_NUM
+            when EQ_RE
+              unshift($2, is_value: true)
+              switch = $1
+            when SHORT_NUM
               unshift($2)
               switch = $1
             when LONG_RE, SHORT_RE
@@ -148,6 +163,7 @@ class Bundler::Thor
     # Two booleans are returned.  The first is true if the current value
     # starts with a hyphen; the second is true if it is a registered switch.
     def current_is_switch?
+      return [false, false] if @is_treated_as_value
       case peek
       when LONG_RE, SHORT_RE, EQ_RE, SHORT_NUM
         [true, switch?($1)]
@@ -159,6 +175,7 @@ class Bundler::Thor
     end
 
     def current_is_switch_formatted?
+      return false if @is_treated_as_value
       case peek
       when LONG_RE, SHORT_RE, EQ_RE, SHORT_NUM, SHORT_SQ_RE
         true
@@ -168,6 +185,7 @@ class Bundler::Thor
     end
 
     def current_is_value?
+      return true if @is_treated_as_value
       peek && (!parsing_options? || super)
     end
 
diff --git a/lib/bundler/vendor/thor/lib/thor/shell.rb b/lib/bundler/vendor/thor/lib/thor/shell.rb
index e36fa472d6..a4137d1bde 100644
--- a/lib/bundler/vendor/thor/lib/thor/shell.rb
+++ b/lib/bundler/vendor/thor/lib/thor/shell.rb
@@ -21,7 +21,7 @@ class Bundler::Thor
   end
 
   module Shell
-    SHELL_DELEGATED_METHODS = [:ask, :error, :set_color, :yes?, :no?, :say, :say_status, :print_in_columns, :print_table, :print_wrapped, :file_collision, :terminal_width]
+    SHELL_DELEGATED_METHODS = [:ask, :error, :set_color, :yes?, :no?, :say, :say_error, :say_status, :print_in_columns, :print_table, :print_wrapped, :file_collision, :terminal_width]
     attr_writer :shell
 
     autoload :Basic, File.expand_path("shell/basic", __dir__)
diff --git a/lib/bundler/vendor/thor/lib/thor/shell/basic.rb b/lib/bundler/vendor/thor/lib/thor/shell/basic.rb
index 2dddd4a53a..8eff00bf3d 100644
--- a/lib/bundler/vendor/thor/lib/thor/shell/basic.rb
+++ b/lib/bundler/vendor/thor/lib/thor/shell/basic.rb
@@ -103,6 +103,23 @@ class Bundler::Thor
         stdout.flush
       end
 
+      # Say (print) an error to the user. If the sentence ends with a whitespace
+      # or tab character, a new line is not appended (print + flush). Otherwise
+      # are passed straight to puts (behavior got from Highline).
+      #
+      # ==== Example
+      # say_error("error: something went wrong")
+      #
+      def say_error(message = "", color = nil, force_new_line = (message.to_s !~ /( |\t)\Z/))
+        return if quiet?
+
+        buffer = prepare_message(message, *color)
+        buffer << "\n" if force_new_line && !message.to_s.end_with?("\n")
+
+        stderr.print(buffer)
+        stderr.flush
+      end
+
       # Say a status with the given color and appends the message. Since this
       # method is used frequently by actions, it allows nil or false to be given
       # in log_status, avoiding the message from being shown. If a Symbol is
@@ -111,13 +128,14 @@ class Bundler::Thor
       def say_status(status, message, log_status = true)
         return if quiet? || log_status == false
         spaces = "  " * (padding + 1)
-        color  = log_status.is_a?(Symbol) ? log_status : :green
-
         status = status.to_s.rjust(12)
+        margin = " " * status.length + spaces
+
+        color  = log_status.is_a?(Symbol) ? log_status : :green
         status = set_color status, color, true if color
 
-        buffer = "#{status}#{spaces}#{message}"
-        buffer = "#{buffer}\n" unless buffer.end_with?("\n")
+        message = message.to_s.chomp.gsub(/(?<!\A)^/, margin)
+        buffer = "#{status}#{spaces}#{message}\n"
 
         stdout.print(buffer)
         stdout.flush
diff --git a/lib/bundler/vendor/thor/lib/thor/util.rb b/lib/bundler/vendor/thor/lib/thor/util.rb
index ddf4d21b90..d2572a4249 100644
--- a/lib/bundler/vendor/thor/lib/thor/util.rb
+++ b/lib/bundler/vendor/thor/lib/thor/util.rb
@@ -211,7 +211,7 @@ class Bundler::Thor
       #
       def globs_for(path)
         path = escape_globs(path)
-        ["#{path}/Thorfile", "#{path}/*.thor", "#{path}/tasks/*.thor", "#{path}/lib/tasks/*.thor"]
+        ["#{path}/Thorfile", "#{path}/*.thor", "#{path}/tasks/*.thor", "#{path}/lib/tasks/**/*.thor"]
       end
 
       # Return the path to the ruby interpreter taking into account multiple
diff --git a/lib/bundler/version.rb b/lib/bundler/version.rb
index d987722f78..bfe7ae7f7c 100644
--- a/lib/bundler/version.rb
+++ b/lib/bundler/version.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: false
 
 module Bundler
-  VERSION = "2.3.0".freeze
+  VERSION = "2.3.1".freeze
 
   def self.bundler_major_version
     @bundler_major_version ||= VERSION.split(".").first.to_i
diff --git a/lib/rubygems.rb b/lib/rubygems.rb
index a956e06bdb..2e13c589b3 100644
--- a/lib/rubygems.rb
+++ b/lib/rubygems.rb
@@ -8,7 +8,7 @@
 require 'rbconfig'
 
 module Gem
-  VERSION = "3.3.0".freeze
+  VERSION = "3.3.1".freeze
 end
 
 # Must be first since it unloads the prelude from 1.9.2
@@ -272,9 +272,6 @@ module Gem
 
     unless spec = specs.first
       msg = "can't find gem #{dep} with executable #{exec_name}"
-      if dep.filters_bundler? && bundler_message = Gem::BundlerVersionFinder.missing_version_message
-        msg = bundler_message
-      end
       raise Gem::GemNotFoundException, msg
     end
 
diff --git a/lib/rubygems/bundler_version_finder.rb b/lib/rubygems/bundler_version_finder.rb
index 9ce0a2378e..14179aebf3 100644
--- a/lib/rubygems/bundler_version_finder.rb
+++ b/lib/rubygems/bundler_version_finder.rb
@@ -2,48 +2,18 @@
 
 module Gem::BundlerVersionFinder
   def self.bundler_version
-    version, _ = bundler_version_with_reason
+    v = ENV["BUNDLER_VERSION"]
 
-    return unless version
+    v ||= bundle_update_bundler_version
+    return if v == true
 
-    Gem::Version.new(version)
-  end
-
-  def self.bundler_version_with_reason
-    if v = ENV["BUNDLER_VERSION"]
-      return [v, "`$BUNDLER_VERSION`"]
-    end
-    if v = bundle_update_bundler_version
-      return if v == true
-      return [v, "`bundle update --bundler`"]
-    end
-    v, lockfile = lockfile_version
-    if v
-      return [v, "your #{lockfile}"]
-    end
-  end
+    v ||= lockfile_version
+    return unless v
 
-  def self.missing_version_message
-    return unless vr = bundler_version_with_reason
-    <<-EOS
-Could not find 'bundler' (#{vr.first}) required by #{vr.last}.
-To update to the latest version installed on your system, run `bundle update --bundler`.
-To install the missing version, run `gem install bundler:#{vr.first}`
-    EOS
+    Gem::Version.new(v)
   end
 
-  def self.compatible?(spec)
-    return true unless spec.name == "bundler".freeze
-    return true unless bundler_version = self.bundler_version
-
-    spec.version.segments.first == bundler_version.segments.first
-  end
-
-  def self.filter!(specs)
-    return unless bundler_version = self.bundler_version
-
-    specs.reject! {|spec| spec.version.segments.first != bundler_version.segments.first }
-
+  def self.prioritize!(specs)
     exact_match_index = specs.find_index {|spec| spec.version == bundler_version }
     return unless exact_match_index
 
@@ -68,12 +38,10 @@ To install the missing version, run `gem install bundler:#{vr.first}`
   private_class_method :bundle_update_bundler_version
 
   def self.lockfile_version
-    return unless lockfile = lockfile_contents
-    lockfile, contents = lockfile
-    lockfile ||= "lockfile"
+    return unless contents = lockfile_contents
     regexp = /\n\nBUNDLED WITH\n\s{2,}(#{Gem::Version::VERSION_PATTERN})\n/
     return unless contents =~ regexp
-    [$1, lockfile]
+    $1
   end
   private_class_method :lockfile_version
 
@@ -103,7 +71,7 @@ To install the missing version, run `gem install bundler:#{vr.first}`
 
     return unless File.file?(lockfile)
 
-    [lockfile, File.read(lockfile)]
+    File.read(lockfile)
   end
   private_class_method :lockfile_contents
 end
diff --git a/lib/rubygems/dependency.rb b/lib/rubygems/dependency.rb
index 3721204ab2..3640362364 100644
--- a/lib/rubygems/dependency.rb
+++ b/lib/rubygems/dependency.rb
@@ -277,7 +277,7 @@ class Gem::Dependency
       requirement.satisfied_by?(spec.version) && env_req.satisfied_by?(spec.version)
     end.map(&:to_spec)
 
-    Gem::BundlerVersionFinder.filter!(matches) if filters_bundler?
+    Gem::BundlerVersionFinder.prioritize!(matches) if prioritizes_bundler?
 
     if platform_only
       matches.reject! do |spec|
@@ -295,7 +295,7 @@ class Gem::Dependency
     @requirement.specific?
   end
 
-  def filters_bundler?
+  def prioritizes_bundler?
     name == "bundler".freeze && !specific?
   end
 
@@ -325,11 +325,11 @@ class Gem::Dependency
     active = matches.find {|spec| spec.activated? }
     return active if active
 
-    return matches.first if prerelease?
-
-    # Move prereleases to the end of the list for >= 0 requirements
-    pre, matches = matches.partition {|spec| spec.version.prerelease? }
-    matches += pre if requirement == Gem::Requirement.default
+    unless prerelease?
+      # Move prereleases to the end of the list for >= 0 requirements
+      pre, matches = matches.partition {|spec| spec.version.prerelease? }
+      matches += pre if requirement == Gem::Requirement.default
+    end
 
     matches.first
   end
diff --git a/lib/rubygems/errors.rb b/lib/rubygems/errors.rb
index 86f0d1da14..f115ce23d0 100644
--- a/lib/rubygems/errors.rb
+++ b/lib/rubygems/errors.rb
@@ -59,9 +59,6 @@ module Gem
     private
 
     def build_message
-      if name == "bundler" && message = Gem::BundlerVersionFinder.missing_version_message
-        return message
-      end
       names = specs.map(&:full_name)
       "Could not find '#{name}' (#{requirement}) - did find: [#{names.join ','}]\n"
     end
diff --git a/lib/rubygems/security.rb b/lib/rubygems/security.rb
index 2275997207..f21c175642 100644
--- a/lib/rubygems/security.rb
+++ b/lib/rubygems/security.rb
@@ -424,6 +424,8 @@ module Gem::Security
   # Gets the right public key from a PKey instance
 
   def self.get_public_key(key)
+    # Ruby 3.0 (Ruby/OpenSSL 2.2) or later
+    return OpenSSL::PKey.read(key.public_to_der) if key.respond_to?(:public_to_der)
     return key.public_key unless key.is_a?(OpenSSL::PKey::EC)
 
     ec_key = OpenSSL::PKey::EC.new(key.group.curve_name)
@@ -490,9 +492,13 @@ module Gem::Security
       when 'rsa'
         OpenSSL::PKey::RSA.new(RSA_DSA_KEY_LENGTH)
       when 'ec'
-        domain_key = OpenSSL::PKey::EC.new(EC_NAME)
-        domain_key.generate_key
-        domain_key
+        if RUBY_VERSION >= "2.4.0"
+          OpenSSL::PKey::EC.generate(EC_NAME)
+        else
+          domain_key = OpenSSL::PKey::EC.new(EC_NAME)
+          domain_key.generate_key
+          domain_key
+        end
       else
         raise Gem::Security::Exception,
         "#{algorithm} algorithm not found. RSA, DSA, and EC algorithms are supported."
@@ -527,7 +533,7 @@ module Gem::Security
     raise Gem::Security::Exception,
           "incorrect signing key for re-signing " +
           "#{expired_certificate.subject}" unless
-      expired_certificate.public_key.to_pem == get_public_key(private_key).to_pem
+      expired_certificate.check_private_key(private_key)
 
     unless expired_certificate.subject.to_s ==
            expired_certificate.issuer.to_s
diff --git a/lib/rubygems/security/policy.rb b/lib/rubygems/security/policy.rb
index 3c3cb647ee..06eae073f4 100644
--- a/lib/rubygems/security/policy.rb
+++ b/lib/rubygems/security/policy.rb
@@ -115,11 +115,9 @@ class Gem::Security::Policy
       raise Gem::Security::Exception, 'missing key or signature'
     end
 
-    public_key = Gem::Security.get_public_key(key)
-
     raise Gem::Security::Exception,
       "certificate #{signer.subject} does not match the signing key" unless
-        signer.public_key.to_pem == public_key.to_pem
+        signer.check_private_key(key)
 
     true
   end
diff --git a/lib/rubygems/specification.rb b/lib/rubygems/specification.rb
index dc5e5ba013..f162eb4a84 100644
--- a/lib/rubygems/specification.rb
+++ b/lib/rubygems/specification.rb
@@ -995,7 +995,6 @@ class Gem::Specification < Gem::BasicSpecification
   def self.find_by_path(path)
     path = path.dup.freeze
     spec = @@spec_with_requirable_file[path] ||= (stubs.find do |s|
-      next unless Gem::BundlerVersionFinder.compatible?(s)
       s.contains_requirable_file? path
     end || NOT_FOUND)
     spec.to_spec
@@ -1008,7 +1007,6 @@ class Gem::Specification < Gem::BasicSpecification
   def self.find_inactive_by_path(path)
     stub = stubs.find do |s|
       next if s.activated?
-      next unless Gem::BundlerVersionFinder.compatible?(s)
       s.contains_requirable_file? path
     end
     stub && stub.to_spec
diff --git a/spec/bundler/install/gems/standalone_spec.rb b/spec/bundler/install/gems/standalone_spec.rb
index faefda25f4..337d5f021c 100644
--- a/spec/bundler/install/gems/standalone_spec.rb
+++ b/spec/bundler/install/gems/standalone_spec.rb
@@ -116,7 +116,7 @@ RSpec.shared_examples "bundle install --standalone" do
       realworld_system_gems "fiddle --version 1.0.8", "tsort --version 0.1.0"
 
       necessary_system_gems = ["optparse --version 0.1.1", "psych --version 3.3.2", "yaml --version 0.1.1", "logger --version 1.4.3", "etc --version 1.2.0", "stringio --version 3.0.0"]
-      necessary_system_gems += ["shellwords --version 0.1.0", "base64 --version 0.1.0", "resolv --version 0.2.1"] if Gem.rubygems_version < Gem::Version.new("3.3.3.a")
+      necessary_system_gems += ["shellwords --version 0.1.0", "base64 --version 0.1.0", "resolv --version 0.2.1"] if Gem.rubygems_version < Gem::Version.new("3.3.a")
       realworld_system_gems(*necessary_system_gems, :path => scoped_gem_path(bundled_app("bundle")))
 
       build_gem "foo", "1.0.0", :to_system => true, :default => true do |s|
diff --git a/spec/bundler/realworld/mirror_probe_spec.rb b/spec/bundler/realworld/mirror_probe_spec.rb
index b5aaf676e9..241424d4d6 100644
--- a/spec/bundler/realworld/mirror_probe_spec.rb
+++ b/spec/bundler/realworld/mirror_probe_spec.rb
@@ -74,25 +74,12 @@ RSpec.describe "fetching dependencies with a not available mirror", :realworld =
       bundle :install, :artifice => nil, :raise_on_error => false
 
       expect(out).to include("Fetching source index from #{mirror}")
-      expect(err).to include("Retrying fetcher due to error (2/4): Bundler::HTTPError Could not fetch specs from #{mirror}/ due to underlying error <Errno::ECONNREFUSED: Failed to open TCP connection to #{host}:#{@mirror_port} (Connection refused - connect(2)")
-      expect(err).to include("Retrying fetcher due to error (3/4): Bundler::HTTPError Could not fetch specs from #{mirror}/ due to underlying error <Errno::ECONNREFUSED: Failed to open TCP connection to #{host}:#{@mirror_port} (Connection refused - connect(2)")
-      expect(err).to include("Retrying fetcher due to error (4/4): Bundler::HTTPError Could not fetch specs from #{mirror}/ due to underlying error <Errno::ECONNREFUSED: Failed to open TCP connection to #{host}:#{@mirror_port} (Connection refused - connect(2)")
-      expect(err).to include("Could not fetch specs from #{mirror}/ due to underlying error <Errno::ECONNREFUSED: Failed to open TCP connection to #{host}:#{@mirror_port} (Connection refused - connect(2)")
-    end
 
-    it "prints each error and warning on a new line" do
-      gemfile <<-G
-        source "#{original}"
-        gem 'weakling'
-      G
-
-      bundle :install, :artifice => nil, :raise_on_error => false
-
-      expect(out).to include "Fetching source index from #{mirror}/"
-      expect(err).to include "Retrying fetcher due to error (2/4): Bundler::HTTPError Could not fetch specs from #{mirror}/ due to underlying error <Errno::ECONNREFUSED: Failed to open TCP connection to #{host}:#{@mirror_port} (Connection refused - connect(2)"
-      expect(err).to include "Retrying fetcher due to error (3/4): Bundler::HTTPError Could not fetch specs from #{mirror}/ due to underlying error <Errno::ECONNREFUSED: Failed to open TCP connection to #{host}:#{@mirror_port} (Connection refused - connect(2)"
-      expect(err).to include "Retrying fetcher due to error (4/4): Bundler::HTTPError Could not fetch specs from #{mirror}/ due to underlying error <Errno::ECONNREFUSED: Failed to open TCP connection to #{host}:#{@mirror_port} (Connection refused - connect(2)"
-      expect(err).to include "Could not fetch specs from #{mirror}/ due to underlying error <Errno::ECONNREFUSED: Failed to open TCP connection to #{host}:#{@mirror_port} (Connection refused - connect(2)"
+      err_lines = err.split("\n")
+      expect(err_lines).to include(%r{\ARetrying fetcher due to error \(2/4\): Bundler::HTTPError Could not fetch specs from #{mirror}/ due to underlying error <})
+      expect(err_lines).to include(%r{\ARetrying fetcher due to error \(3/4\): Bundler::HTTPError Could not fetch specs from #{mirror}/ due to underlying error <})
+      expect(err_lines).to include(%r{\ARetrying fetcher due to error \(4/4\): Bundler::HTTPError Could not fetch specs from #{mirror}/ due to underlying error <})
+      expect(err_lines).to include(%r{\ACould not fetch specs from #{mirror}/ due to underlying error <})
     end
   end
 
@@ -110,10 +97,12 @@ RSpec.describe "fetching dependencies with a not available mirror", :realworld =
       bundle :install, :artifice => nil, :raise_on_error => false
 
       expect(out).to include("Fetching source index from #{mirror}")
-      expect(err).to include("Retrying fetcher due to error (2/4): Bundler::HTTPError Could not fetch specs from #{mirror}/ due to underlying error <Errno::ECONNREFUSED: Failed to open TCP connection to #{host}:#{@mirror_port} (Connection refused - connect(2)")
-      expect(err).to include("Retrying fetcher due to error (3/4): Bundler::HTTPError Could not fetch specs from #{mirror}/ due to underlying error <Errno::ECONNREFUSED: Failed to open TCP connection to #{host}:#{@mirror_port} (Connection refused - connect(2)")
-      expect(err).to include("Retrying fetcher due to error (4/4): Bundler::HTTPError Could not fetch specs from #{mirror}/ due to underlying error <Errno::ECONNREFUSED: Failed to open TCP connection to #{host}:#{@mirror_port} (Connection refused - connect(2)")
-      expect(err).to include("Could not fetch specs from #{mirror}/ due to underlying error <Errno::ECONNREFUSED: Failed to open TCP connection to #{host}:#{@mirror_port} (Connection refused - connect(2)")
+
+      err_lines = err.split("\n")
+      expect(err_lines).to include(%r{\ARetrying fetcher due to error \(2/4\): Bundler::HTTPError Could not fetch specs from #{mirror}/ due to underlying error <})
+      expect(err_lines).to include(%r{\ARetrying fetcher due to error \(3/4\): Bundler::HTTPError Could not fetch specs from #{mirror}/ due to underlying error <})
+      expect(err_lines).to include(%r{\ARetrying fetcher due to error \(4/4\): Bundler::HTTPError Could not fetch specs from #{mirror}/ due to underlying error <})
+      expect(err_lines).to include(%r{\ACould not fetch specs from #{mirror}/ due to underlying error <})
     end
   end
 
diff --git a/spec/bundler/runtime/gem_tasks_spec.rb b/spec/bundler/runtime/gem_tasks_spec.rb
index b0ef0cc144..b89fdf2cb1 100644
--- a/spec/bundler/runtime/gem_tasks_spec.rb
+++ b/spec/bundler/runtime/gem_tasks_spec.rb
@@ -27,7 +27,7 @@ RSpec.describe "require 'bundler/gem_tasks'" do
   end
 
   it "includes the relevant tasks" do
-    with_gem_path_as(base_system_gems.to_s) do
+    with_gem_path_as(base_system_gem_path.to_s) do
       sys_exec "#{rake} -T", :env => { "GEM_HOME" => system_gem_path.to_s }
     end
 
@@ -44,7 +44,7 @@ RSpec.describe "require 'bundler/gem_tasks'" do
   end
 
   it "defines a working `rake install` task", :ruby_repo do
-    with_gem_path_as(base_system_gems.to_s) do
+    with_gem_path_as(base_system_gem_path.to_s) do
       sys_exec "#{rake} install", :env => { "GEM_HOME" => system_gem_path.to_s }
     end
 
@@ -98,7 +98,7 @@ RSpec.describe "require 'bundler/gem_tasks'" do
   end
 
   it "adds 'pkg' to rake/clean's CLOBBER" do
-    with_gem_path_as(base_system_gems.to_s) do
+    with_gem_path_as(base_system_gem_path.to_s) do
       sys_exec %(#{rake} -e 'load "Rakefile"; puts CLOBBER.inspect'), :env => { "GEM_HOME" => system_gem_path.to_s }
     end
     expect(out).to eq '["pkg"]'
diff --git a/spec/bundler/support/artifice/compact_index.rb b/spec/bundler/support/artifice/compact_index.rb
index 1b314e89ef..fb068fa9b5 100644
--- a/spec/bundler/support/artifice/compact_index.rb
+++ b/spec/bundler/support/artifice/compact_index.rb
@@ -2,7 +2,7 @@
 
 require_relative "endpoint"
 
-$LOAD_PATH.unshift Dir[Spec::Path.base_system_gems.join("gems/compact_index*/lib")].first.to_s
+$LOAD_PATH.unshift Dir[Spec::Path.base_system_gem_path.join("gems/compact_index*/lib")].first.to_s
 require "compact_index"
 
 class CompactIndexAPI < Endpoint
diff --git a/spec/bundler/support/artifice/endpoint.rb b/spec/bundler/support/artifice/endpoint.rb
index 4a820e5a3f..c00113b28f 100644
--- a/spec/bundler/support/artifice/endpoint.rb
+++ b/spec/bundler/support/artifice/endpoint.rb
@@ -2,7 +2,7 @@
 
 require_relative "../path"
 
-$LOAD_PATH.unshift(*Dir[Spec::Path.base_system_gems.join("gems/{artifice,mustermann,rack,tilt,sinatra,ruby2_keywords}-*/lib")].map(&:to_s))
+$LOAD_PATH.unshift(*Dir[Spec::Path.base_system_gem_path.join("gems/{artifice,mustermann,rack,tilt,sinatra,ruby2_keywords}-*/lib")].map(&:to_s))
 
 require "artifice"
 require "sinatra/base"
diff --git a/spec/bundler/support/artifice/endpoint_500.rb b/spec/bundler/support/artifice/endpoint_500.rb
index 0ce8dfeaad..a0d850a44d 100644
--- a/spec/bundler/support/artifice/endpoint_500.rb
+++ b/spec/bundler/support/artifice/endpoint_500.rb
@@ -2,7 +2,7 @@
 
 require_relative "../path"
 
-$LOAD_PATH.unshift(*Dir[Spec::Path.base_system_gems.join("gems/{artifice,mustermann,rack,tilt,sinatra,ruby2_keywords}-*/lib")].map(&:to_s))
+$LOAD_PATH.unshift(*Dir[Spec::Path.base_system_gem_path.join("gems/{artifice,mustermann,rack,tilt,sinatra,ruby2_keywords}-*/lib")].map(&:to_s))
 
 require "artifice"
 require "sinatra/base"
diff --git a/spec/bundler/support/artifice/windows.rb b/spec/bundler/support/artifice/windows.rb
index ddbbd62b96..674470688d 100644
--- a/spec/bundler/support/artifice/windows.rb
+++ b/spec/bundler/support/artifice/windows.rb
@@ -2,7 +2,7 @@
 
 require_relative "../path"
 
-$LOAD_PATH.unshift(*Dir[Spec::Path.base_system_gems.join("gems/{artifice,mustermann,rack,tilt,sinatra,ruby2_keywords}-*/lib")].map(&:to_s))
+$LOAD_PATH.unshift(*Dir[Spec::Path.base_system_gem_path.join("gems/{artifice,mustermann,rack,tilt,sinatra,ruby2_keywords}-*/lib")].map(&:to_s))
 
 require "artifice"
 require "sinatra/base"
diff --git a/spec/bundler/support/builders.rb b/spec/bundler/support/builders.rb
index 90e9cbb242..aca31638ac 100644
--- a/spec/bundler/support/builders.rb
+++ b/spec/bundler/support/builders.rb
@@ -259,7 +259,7 @@ module Spec
       @_build_path = "#{path}/gems"
       @_build_repo = File.basename(path)
       yield
-      with_gem_path_as Path.base_system_gems do
+      with_gem_path_as Path.base_system_gem_path do
         gem_command :generate_index, :dir => path
       end
     ensure
diff --git a/spec/bundler/support/helpers.rb b/spec/bundler/support/helpers.rb
index 5238c8b980..99baec24d4 100644
--- a/spec/bundler/support/helpers.rb
+++ b/spec/bundler/support/helpers.rb
@@ -545,7 +545,7 @@ module Spec
     def require_rack
       # need to hack, so we can require rack
       old_gem_home = ENV["GEM_HOME"]
-      ENV["GEM_HOME"] = Spec::Path.base_system_gems.to_s
+      ENV["GEM_HOME"] = Spec::Path.base_system_gem_path.to_s
       require "rack"
       ENV["GEM_HOME"] = old_gem_home
     end
diff --git a/spec/bundler/support/path.rb b/spec/bundler/support/path.rb
index a73b3e699e..3304c69c78 100644
--- a/spec/bundler/support/path.rb
+++ b/spec/bundler/support/path.rb
@@ -146,6 +146,10 @@ module Spec
       bundled_app("Gemfile.lock")
     end
 
+    def base_system_gem_path
+      scoped_gem_path(base_system_gems)
+    end
+
     def base_system_gems
       tmp.join("gems/base")
     end
diff --git a/spec/bundler/support/rubygems_ext.rb b/spec/bundler/support/rubygems_ext.rb
index 9389543a0f..62ba4d56c4 100644
--- a/spec/bundler/support/rubygems_ext.rb
+++ b/spec/bundler/support/rubygems_ext.rb
@@ -59,15 +59,13 @@ module Spec
       Gem.clear_paths
 
       ENV["BUNDLE_PATH"] = nil
-      ENV["GEM_HOME"] = ENV["GEM_PATH"] = Path.base_system_gems.to_s
+      ENV["GEM_HOME"] = ENV["GEM_PATH"] = Path.base_system_gem_path.to_s
       ENV["PATH"] = [Path.system_gem_path.join("bin"), ENV["PATH"]].join(File::PATH_SEPARATOR)
       ENV["PATH"] = [Path.bindir, ENV["PATH"]].join(File::PATH_SEPARATOR) if Path.ruby_core?
     end
 
     def install_test_deps
-      setup_test_paths
-
-      install_gems(test_gemfile)
+      install_gems(test_gemfile, Path.base_system_gems.to_s)
       install_gems(rubocop_gemfile, Path.rubocop_gems.to_s)
       install_gems(standard_gemfile, Path.standard_gems.to_s)
     end
@@ -109,7 +107,9 @@ module Spec
 
     def install_gems(gemfile, path = nil)
       old_gemfile = ENV["BUNDLE_GEMFILE"]
+      old_orig_gemfile = ENV["BUNDLER_ORIG_BUNDLE_GEMFILE"]
       ENV["BUNDLE_GEMFILE"] = gemfile.to_s
+      ENV["BUNDLER_ORIG_BUNDLE_GEMFILE"] = nil
 
       if path
         old_path = ENV["BUNDLE_PATH"]
@@ -128,6 +128,7 @@ module Spec
         ENV["BUNDLE_PATH__SYSTEM"] = old_path__system
       end
 
+      ENV["BUNDLER_ORIG_BUNDLE_GEMFILE"] = old_orig_gemfile
       ENV["BUNDLE_GEMFILE"] = old_gemfile
     end
 
diff --git a/test/rubygems/test_gem.rb b/test/rubygems/test_gem.rb
index f0f36b5561..970b3b70dd 100644
--- a/test/rubygems/test_gem.rb
+++ b/test/rubygems/test_gem.rb
@@ -354,41 +354,6 @@ class TestGem < Gem::TestCase
     assert status.success?, output
   end
 
-  def test_activate_bin_path_gives_proper_error_for_bundler
-    bundler = util_spec 'bundler', '2' do |s|
-      s.executables = ['bundle']
-    end
-
-    install_specs bundler
-
-    File.open("Gemfile.lock", "w") do |f|
-      f.write <<-L.gsub(/ {8}/, "")
-        GEM
-          remote: https://rubygems.org/
-          specs:
-
-        PLATFORMS
-          ruby
-
-        DEPENDENCIES
-
-        BUNDLED WITH
-          9999
-      L
-    end
-
-    File.open("Gemfile", "w") {|f| f.puts('source "https://rubygems.org"') }
-
-    e = assert_raise Gem::GemNotFoundException do
-      load Gem.activate_bin_path("bundler", "bundle", ">= 0.a")
-    end
-
-    assert_includes e.message, "Could not find 'bundler' (9999) required by your #{File.expand_path("Gemfile.lock")}."
-    assert_includes e.message, "To update to the latest version installed on your system, run `bundle update --bundler`."
-    assert_includes e.message, "To install the missing version, run `gem install bundler:9999`"
-    refute_includes e.message, "can't find gem bundler (>= 0.a) with executable bundle"
-  end
-
   def test_activate_bin_path_selects_exact_bundler_version_if_present
     bundler_latest = util_spec 'bundler', '2.0.1' do |s|
       s.executables = ['bundle']
diff --git a/test/rubygems/test_gem_bundler_version_finder.rb b/test/rubygems/test_gem_bundler_version_finder.rb
index e971e6ae29..7494a94d6e 100644
--- a/test/rubygems/test_gem_bundler_version_finder.rb
+++ b/test/rubygems/test_gem_bundler_version_finder.rb
@@ -48,30 +48,31 @@ class TestGemBundlerVersionFinder < Gem::TestCase
   end
 
   def test_bundler_version_with_lockfile
-    bvf.stub(:lockfile_contents, [nil, ""]) do
+    bvf.stub(:lockfile_contents, "") do
       assert_nil bvf.bundler_version
     end
-    bvf.stub(:lockfile_contents, [nil, "\n\nBUNDLED WITH\n   1.1.1.1\n"]) do
+    bvf.stub(:lockfile_contents, "\n\nBUNDLED WITH\n   1.1.1.1\n") do
       assert_equal v("1.1.1.1"), bvf.bundler_version
     end
-    bvf.stub(:lockfile_contents, [nil, "\n\nBUNDLED WITH\n   fjdkslfjdkslfjsldk\n"]) do
+    bvf.stub(:lockfile_contents, "\n\nBUNDLED WITH\n   fjdkslfjdkslfjsldk\n") do
       assert_nil bvf.bundler_version
     end
   end
 
-  def test_bundler_version_with_reason
-    assert_nil bvf.bundler_version_with_reason
-    bvf.stub(:lockfile_contents, [nil, "\n\nBUNDLED WITH\n   1.1.1.1\n"]) do
-      assert_equal ["1.1.1.1", "your lockfile"], bvf.bundler_version_with_reason
+  def test_bundler_version
+    assert_nil bvf.bundler_version
+    bvf.stub(:lockfile_contents, "\n\nBUNDLED WITH\n   1.1.1.1\n") do
+      assert_equal "1.1.1.1", bvf.bundler_version.to_s
 
       $0 = "bundle"
       ARGV.replace %w[update --bundler]
-      assert_nil bvf.bundler_version_with_reason
+      assert_nil bvf.bundler_version
+
       ARGV.replace %w[update --bundler=1.1.1.2]
-      assert_equal ["1.1.1.2", "`bundle update --bundler`"], bvf.bundler_version_with_reason
+      assert_equal "1.1.1.2",  bvf.bundler_version.to_s
 
       ENV["BUNDLER_VERSION"] = "1.1.1.3"
-      assert_equal ["1.1.1.3", "`$BUNDLER_VERSION`"], bvf.bundler_version_with_reason
+      assert_equal "1.1.1.3", bvf.bundler_version.to_s
     end
   end
 
@@ -90,57 +91,35 @@ class TestGemBundlerVersionFinder < Gem::TestCase
       Dir.chdir(orig_dir)
     end
 
-    assert_nil bvf.bundler_version_with_reason
-  end
-
-  def test_compatible
-    assert bvf.compatible?(util_spec("foo"))
-    assert bvf.compatible?(util_spec("bundler", 1.1))
-
-    bvf.stub(:bundler_version, v("1.1.1.1")) do
-      assert bvf.compatible?(util_spec("foo"))
-      assert bvf.compatible?(util_spec("bundler", "1.1.1.1"))
-      assert bvf.compatible?(util_spec("bundler", "1.1.1.a"))
-      assert bvf.compatible?(util_spec("bundler", "1.999"))
-      refute bvf.compatible?(util_spec("bundler", "2.999"))
-    end
-
-    bvf.stub(:bundler_version, v("2.1.1.1")) do
-      assert bvf.compatible?(util_spec("foo"))
-      assert bvf.compatible?(util_spec("bundler", "2.1.1.1"))
-      assert bvf.compatible?(util_spec("bundler", "2.1.1.a"))
-      assert bvf.compatible?(util_spec("bundler", "2.999"))
-      refute bvf.compatible?(util_spec("bundler", "1.999"))
-      refute bvf.compatible?(util_spec("bundler", "3.0.0"))
-    end
+    assert_nil bvf.bundler_version
   end
 
-  def test_filter
+  def test_prioritize
     versions = %w[1 1.0 1.0.1.1 2 2.a 2.0 2.1.1 3 3.a 3.0 3.1.1]
     specs = versions.map {|v| util_spec("bundler", v) }
 
-    assert_equal %w[1 1.0 1.0.1.1 2 2.a 2.0 2.1.1 3 3.a 3.0 3.1.1], util_filter_specs(specs).map(&:version).map(&:to_s)
+    assert_equal %w[1 1.0 1.0.1.1 2 2.a 2.0 2.1.1 3 3.a 3.0 3.1.1], util_prioritize_specs(specs)
 
     bvf.stub(:bundler_version, v("2.1.1.1")) do
-      assert_equal %w[2 2.a 2.0 2.1.1], util_filter_specs(specs).map(&:version).map(&:to_s)
+      assert_equal %w[1 1.0 1.0.1.1 2 2.a 2.0 2.1.1 3 3.a 3.0 3.1.1], util_prioritize_specs(specs)
     end
     bvf.stub(:bundler_version, v("1.1.1.1")) do
-      assert_equal %w[1 1.0 1.0.1.1], util_filter_specs(specs).map(&:version).map(&:to_s)
+      assert_equal %w[1 1.0 1.0.1.1 2 2.a 2.0 2.1.1 3 3.a 3.0 3.1.1], util_prioritize_specs(specs)
     end
     bvf.stub(:bundler_version, v("1")) do
-      assert_equal %w[1 1.0 1.0.1.1], util_filter_specs(specs).map(&:version).map(&:to_s)
+      assert_equal %w[1 1.0 1.0.1.1 2 2.a 2.0 2.1.1 3 3.a 3.0 3.1.1], util_prioritize_specs(specs)
     end
     bvf.stub(:bundler_version, v("2.a")) do
-      assert_equal %w[2.a 2 2.0 2.1.1], util_filter_specs(specs).map(&:version).map(&:to_s)
+      assert_equal %w[2.a 1 1.0 1.0.1.1 2 2.0 2.1.1 3 3.a 3.0 3.1.1], util_prioritize_specs(specs)
     end
     bvf.stub(:bundler_version, v("3")) do
-      assert_equal %w[3 3.a 3.0 3.1.1], util_filter_specs(specs).map(&:version).map(&:to_s)
+      assert_equal %w[3 1 1.0 1.0.1.1 2 2.a 2.0 2.1.1 3.a 3.0 3.1.1], util_prioritize_specs(specs)
     end
   end
 
-  def util_filter_specs(specs)
+  def util_prioritize_specs(specs)
     specs = specs.dup
-    bvf.filter!(specs)
-    specs
+    bvf.prioritize!(specs)
+    specs.map(&:version).map(&:to_s)
   end
 end
diff --git a/test/rubygems/test_gem_dependency.rb b/test/rubygems/test_gem_dependency.rb
index 1ca0fc378c..5551966da2 100644
--- a/test/rubygems/test_gem_dependency.rb
+++ b/test/rubygems/test_gem_dependency.rb
@@ -358,16 +358,12 @@ class TestGemDependency < Gem::TestCase
 
     assert_equal [b, b_1], dep.to_specs
 
-    Gem::BundlerVersionFinder.stub(:bundler_version_with_reason, ["3.5", "reason"]) do
-      e = assert_raise Gem::MissingSpecVersionError do
-        dep.to_specs
-      end
-
-      assert_match "Could not find 'bundler' (3.5) required by reason.\nTo update to the latest version installed on your system, run `bundle update --bundler`.\nTo install the missing version, run `gem install bundler:3.5`\n", e.message
+    Gem::BundlerVersionFinder.stub(:bundler_version, Gem::Version.new("1")) do
+      assert_equal [b_1, b], dep.to_specs
     end
 
-    Gem::BundlerVersionFinder.stub(:bundler_version_with_reason, ["2.0.0.pre.1", "reason"]) do
-      assert_equal [b], dep.to_specs
+    Gem::BundlerVersionFinder.stub(:bundler_version, Gem::Version.new("2.0.0.pre.1")) do
+      assert_equal [b, b_1], dep.to_specs
     end
   end
 
diff --git a/test/rubygems/test_kernel.rb b/test/rubygems/test_kernel.rb
index dee36d05ee..4efa7e075d 100644
--- a/test/rubygems/test_kernel.rb
+++ b/test/rubygems/test_kernel.rb
@@ -117,20 +117,8 @@ class TestKernel < Gem::TestCase
     assert $:.any? {|p| %r{bundler-1/lib} =~ p }
   end
 
-  def test_gem_bundler_missing_bundler_version
-    Gem::BundlerVersionFinder.stub(:bundler_version_with_reason, ["55", "reason"]) do
-      quick_gem 'bundler', '1'
-      quick_gem 'bundler', '2.a'
-
-      e = assert_raise Gem::MissingSpecVersionError do
-        gem('bundler')
-      end
-      assert_match "Could not find 'bundler' (55) required by reason.", e.message
-    end
-  end
-
   def test_gem_bundler_inferred_bundler_version
-    Gem::BundlerVersionFinder.stub(:bundler_version_with_reason, ["1", "reason"]) do
+    Gem::BundlerVersionFinder.stub(:bundler_version, Gem::Version.new("1")) do
       quick_gem 'bundler', '1'
       quick_gem 'bundler', '2.a'
 
diff --git a/test/rubygems/test_require.rb b/test/rubygems/test_require.rb
index 80c95b26a3..5b826d052b 100644
--- a/test/rubygems/test_require.rb
+++ b/test/rubygems/test_require.rb
@@ -596,31 +596,6 @@ class TestGemRequire < Gem::TestCase
     assert_empty unresolved_names
   end
 
-  def test_require_bundler_missing_bundler_version
-    Gem::BundlerVersionFinder.stub(:bundler_version_with_reason, ["55", "reason"]) do
-      b1 = util_spec('bundler', '1.999999999', nil, "lib/bundler/setup.rb")
-      b2a = util_spec('bundler', '2.a', nil, "lib/bundler/setup.rb")
-      install_specs b1, b2a
-
-      e = assert_raise Gem::MissingSpecVersionError do
-        gem('bundler')
-      end
-      assert_match "Could not find 'bundler' (55) required by reason.", e.message
-    end
-  end
-
-  def test_require_bundler_with_bundler_version
-    Gem::BundlerVersionFinder.stub(:bundler_version_with_reason, ["1", "reason"]) do
-      b1 = util_spec('bundler', '1.999999999', nil, "lib/bundler/setup.rb")
-      b2 = util_spec('bundler', '2', nil, "lib/bundler/setup.rb")
-      install_specs b1, b2
-
-      $:.clear
-      assert_require 'bundler/setup'
-      assert_equal %w[bundler-1.999999999], loaded_spec_names
-    end
-  end
-
   # uplevel is 2.5+ only
   if RUBY_VERSION >= "2.5"
     ["", "Kernel."].each do |prefix|
diff --git a/tool/bundler/rubocop_gems.rb.lock b/tool/bundler/rubocop_gems.rb.lock
index 4c33191c9e..56f6b9873d 100644
--- a/tool/bundler/rubocop_gems.rb.lock
+++ b/tool/bundler/rubocop_gems.rb.lock
@@ -60,4 +60,4 @@ DEPENDENCIES
   test-unit
 
 BUNDLED WITH
-   2.3.0
+   2.3.1
diff --git a/tool/bundler/standard_gems.rb.lock b/tool/bundler/standard_gems.rb.lock
index b29129ed57..f0c009898d 100644
--- a/tool/bundler/standard_gems.rb.lock
+++ b/tool/bundler/standard_gems.rb.lock
@@ -66,4 +66,4 @@ DEPENDENCIES
   test-unit
 
 BUNDLED WITH
-   2.3.0
+   2.3.1
diff --git a/tool/bundler/test_gems.rb.lock b/tool/bundler/test_gems.rb.lock
index d53195b0c9..98cc8eab22 100644
--- a/tool/bundler/test_gems.rb.lock
+++ b/tool/bundler/test_gems.rb.lock
@@ -41,4 +41,4 @@ DEPENDENCIES
   webrick (= 1.7.0)
 
 BUNDLED WITH
-   2.3.0
+   2.3.1