Merge RubyGems-3.2.13 and Bundler-2.2.13

24 files changed, 477 insertions, 267 deletions

diff --git a/lib/bundler/cli/gem.rb b/lib/bundler/cli/gem.rb
index 0d773579e5..2c63da9eb4 100644
--- a/lib/bundler/cli/gem.rb
+++ b/lib/bundler/cli/gem.rb
@@ -39,11 +39,11 @@ module Bundler
       constant_name = name.gsub(/-[_-]*(?![_-]|$)/) { "::" }.gsub(/([_-]+|(::)|^)(.|$)/) { $2.to_s + $3.upcase }
       constant_array = constant_name.split("::")
 
-      git_installed = Bundler.git_present?
+      use_git = Bundler.git_present? && options[:git]
 
-      git_author_name = git_installed ? `git config user.name`.chomp : ""
-      github_username = git_installed ? `git config github.user`.chomp : ""
-      git_user_email = git_installed ? `git config user.email`.chomp : ""
+      git_author_name = use_git ? `git config user.name`.chomp : ""
+      github_username = use_git ? `git config github.user`.chomp : ""
+      git_user_email = use_git ? `git config user.email`.chomp : ""
 
       config = {
         :name             => name,
@@ -58,6 +58,7 @@ module Bundler
         :ext              => options[:ext],
         :exe              => options[:exe],
         :bundler_version  => bundler_dependency_version,
+        :git              => use_git,
         :github_username  => github_username.empty? ? "[USERNAME]" : github_username,
         :required_ruby_version => Gem.ruby_version < Gem::Version.new("2.4.a") ? "2.3.0" : "2.4.0",
       }
@@ -79,7 +80,7 @@ module Bundler
         bin/setup
       ]
 
-      templates.merge!("gitignore.tt" => ".gitignore") if Bundler.git_present?
+      templates.merge!("gitignore.tt" => ".gitignore") if use_git
 
       if test_framework = ask_and_set_test_framework
         config[:test] = test_framework
@@ -175,24 +176,31 @@ module Bundler
         )
       end
 
+      if File.exist?(target) && !File.directory?(target)
+        Bundler.ui.error "Couldn't create a new gem named `#{gem_name}` because there's an existing file named `#{gem_name}`."
+        exit Bundler::BundlerError.all_errors[Bundler::GenericSystemCallError]
+      end
+
+      if use_git
+        Bundler.ui.info "Initializing git repo in #{target}"
+        `git init #{target}`
+
+        config[:git_default_branch] = File.read("#{target}/.git/HEAD").split("/").last.chomp
+      end
+
       templates.each do |src, dst|
         destination = target.join(dst)
-        SharedHelpers.filesystem_access(destination) do
-          thor.template("newgem/#{src}", destination, config)
-        end
+        thor.template("newgem/#{src}", destination, config)
       end
 
       executables.each do |file|
-        SharedHelpers.filesystem_access(target.join(file)) do |path|
-          executable = (path.stat.mode | 0o111)
-          path.chmod(executable)
-        end
+        path = target.join(file)
+        executable = (path.stat.mode | 0o111)
+        path.chmod(executable)
       end
 
-      if Bundler.git_present? && options[:git]
-        Bundler.ui.info "Initializing git repo in #{target}"
+      if use_git
         Dir.chdir(target) do
-          `git init`
           `git add .`
         end
       end
@@ -202,8 +210,6 @@ module Bundler
 
       Bundler.ui.info "Gem '#{name}' was successfully created. " \
         "For more information on making a RubyGem visit https://bundler.io/guides/creating_gem.html"
-    rescue Errno::EEXIST => e
-      raise GenericSystemCallError.new(e, "There was a conflict while creating the new gem.")
     end
 
     private
diff --git a/lib/bundler/definition.rb b/lib/bundler/definition.rb
index 3264cb074c..a09d661a07 100644
--- a/lib/bundler/definition.rb
+++ b/lib/bundler/definition.rb
@@ -264,7 +264,7 @@ module Bundler
           # Run a resolve against the locally available gems
           Bundler.ui.debug("Found changes from the lockfile, re-resolving dependencies because #{change_reason}")
           expanded_dependencies = expand_dependencies(dependencies + metadata_dependencies, @remote)
-          Resolver.resolve(expanded_dependencies, index, source_requirements, last_resolve, gem_version_promoter, additional_base_requirements_for_resolve, platforms)
+          Resolver.resolve(expanded_dependencies, source_requirements, last_resolve, gem_version_promoter, additional_base_requirements_for_resolve, platforms)
         end
       end
     end
@@ -656,19 +656,20 @@ module Bundler
     def converge_rubygems_sources
       return false if Bundler.feature_flag.disable_multisource?
 
-      changes = false
-
       # Get the RubyGems sources from the Gemfile.lock
       locked_gem_sources = @locked_sources.select {|s| s.is_a?(Source::Rubygems) }
+      return false if locked_gem_sources.empty?
+
       # Get the RubyGems remotes from the Gemfile
       actual_remotes = sources.rubygems_remotes
+      return false if actual_remotes.empty?
+
+      changes = false
 
       # If there is a RubyGems source in both
-      if !locked_gem_sources.empty? && !actual_remotes.empty?
-        locked_gem_sources.each do |locked_gem|
-          # Merge the remotes from the Gemfile into the Gemfile.lock
-          changes |= locked_gem.replace_remotes(actual_remotes, Bundler.settings[:allow_deployment_source_credential_changes])
-        end
+      locked_gem_sources.each do |locked_gem|
+        # Merge the remotes from the Gemfile into the Gemfile.lock
+        changes |= locked_gem.replace_remotes(actual_remotes, Bundler.settings[:allow_deployment_source_credential_changes])
       end
 
       changes
@@ -893,30 +894,18 @@ module Bundler
       # Record the specs available in each gem's source, so that those
       # specs will be available later when the resolver knows where to
       # look for that gemspec (or its dependencies)
-      default = sources.default_source
-      source_requirements = { :default => default }
-      default = nil unless Bundler.feature_flag.disable_multisource?
-      dependencies.each do |dep|
-        next unless source = dep.source || default
-        source_requirements[dep.name] = source
-      end
+      source_requirements = { :default => sources.default_source }.merge(dependency_source_requirements)
       metadata_dependencies.each do |dep|
         source_requirements[dep.name] = sources.metadata_source
       end
+      source_requirements[:global] = index unless Bundler.feature_flag.disable_multisource?
       source_requirements[:default_bundler] = source_requirements["bundler"] || source_requirements[:default]
       source_requirements["bundler"] = sources.metadata_source # needs to come last to override
       source_requirements
     end
 
     def pinned_spec_names(skip = nil)
-      pinned_names = []
-      default = Bundler.feature_flag.disable_multisource? && sources.default_source
-      @dependencies.each do |dep|
-        next unless dep_source = dep.source || default
-        next if dep_source == skip
-        pinned_names << dep.name
-      end
-      pinned_names
+      dependency_source_requirements.reject {|_, source| source == skip }.keys
     end
 
     def requested_groups
@@ -973,5 +962,17 @@ module Bundler
 
       Bundler.settings[:allow_deployment_source_credential_changes] && source.equivalent_remotes?(sources.rubygems_remotes)
     end
+
+    def dependency_source_requirements
+      @dependency_source_requirements ||= begin
+        source_requirements = {}
+        default = sources.default_source
+        dependencies.each do |dep|
+          dep_source = dep.source || default
+          source_requirements[dep.name] = dep_source
+        end
+        source_requirements
+      end
+    end
   end
 end
diff --git a/lib/bundler/dsl.rb b/lib/bundler/dsl.rb
index 1cc7908b8a..23fba99ffa 100644
--- a/lib/bundler/dsl.rb
+++ b/lib/bundler/dsl.rb
@@ -24,6 +24,9 @@ module Bundler
     def initialize
       @source               = nil
       @sources              = SourceList.new
+
+      @global_rubygems_sources = []
+
       @git_sources          = {}
       @dependencies         = []
       @groups               = []
@@ -45,6 +48,7 @@ module Bundler
       @gemfiles << expanded_gemfile_path
       contents ||= Bundler.read_file(@gemfile.to_s)
       instance_eval(contents.dup.tap{|x| x.untaint if RUBY_VERSION < "2.7" }, gemfile.to_s, 1)
+      check_primary_source_safety
     rescue Exception => e # rubocop:disable Lint/RescueException
       message = "There was an error " \
         "#{e.is_a?(GemfileEvalError) ? "evaluating" : "parsing"} " \
@@ -164,8 +168,7 @@ module Bundler
       elsif block_given?
         with_source(@sources.add_rubygems_source("remotes" => source), &blk)
       else
-        check_primary_source_safety(@sources)
-        @sources.global_rubygems_source = source
+        @global_rubygems_sources << source
       end
     end
 
@@ -183,24 +186,14 @@ module Bundler
     end
 
     def path(path, options = {}, &blk)
-      unless block_given?
-        msg = "You can no longer specify a path source by itself. Instead, \n" \
-              "either use the :path option on a gem, or specify the gems that \n" \
-              "bundler should find in the path source by passing a block to \n" \
-              "the path method, like: \n\n" \
-              "    path 'dir/containing/rails' do\n" \
-              "      gem 'rails'\n" \
-              "    end\n\n"
-
-        raise DeprecatedError, msg if Bundler.feature_flag.disable_multisource?
-        SharedHelpers.major_deprecation(2, msg.strip)
-      end
-
       source_options = normalize_hash(options).merge(
         "path" => Pathname.new(path),
         "root_path" => gemfile_root,
         "gemspec" => gemspecs.find {|g| g.name == options["name"] }
       )
+
+      source_options["global"] = true unless block_given?
+
       source = @sources.add_path_source(source_options)
       with_source(source, &blk)
     end
@@ -279,6 +272,11 @@ module Bundler
       raise GemfileError, "Undefined local variable or method `#{name}' for Gemfile"
     end
 
+    def check_primary_source_safety
+      check_path_source_safety
+      check_rubygems_source_safety
+    end
+
     private
 
     def add_git_sources
@@ -440,17 +438,33 @@ repo_name ||= user_name
       end
     end
 
-    def check_primary_source_safety(source_list)
-      return if source_list.rubygems_primary_remotes.empty? && source_list.global_rubygems_source.nil?
+    def check_path_source_safety
+      return if @sources.global_path_source.nil?
+
+      msg = "You can no longer specify a path source by itself. Instead, \n" \
+              "either use the :path option on a gem, or specify the gems that \n" \
+              "bundler should find in the path source by passing a block to \n" \
+              "the path method, like: \n\n" \
+              "    path 'dir/containing/rails' do\n" \
+              "      gem 'rails'\n" \
+              "    end\n\n"
+
+      SharedHelpers.major_deprecation(2, msg.strip)
+    end
+
+    def check_rubygems_source_safety
+      @sources.global_rubygems_source = @global_rubygems_sources.shift
+      return if @global_rubygems_sources.empty?
+
+      @global_rubygems_sources.each do |source|
+        @sources.add_rubygems_remote(source)
+      end
 
       if Bundler.feature_flag.disable_multisource?
         msg = "This Gemfile contains multiple primary sources. " \
           "Each source after the first must include a block to indicate which gems " \
-          "should come from that source"
-        unless Bundler.feature_flag.bundler_2_mode?
-          msg += ". To downgrade this error to a warning, run " \
-            "`bundle config unset disable_multisource`"
-        end
+          "should come from that source. To downgrade this error to a warning, run " \
+          "`bundle config unset disable_multisource`"
         raise GemfileEvalError, msg
       else
         Bundler::SharedHelpers.major_deprecation 2, "Your Gemfile contains multiple primary sources. " \
diff --git a/lib/bundler/inline.rb b/lib/bundler/inline.rb
index 59211193d4..02da06cee9 100644
--- a/lib/bundler/inline.rb
+++ b/lib/bundler/inline.rb
@@ -50,6 +50,7 @@ def gemfile(install = false, options = {}, &gemfile)
     Bundler::Plugin.gemfile_install(&gemfile) if Bundler.feature_flag.plugins?
     builder = Bundler::Dsl.new
     builder.instance_eval(&gemfile)
+    builder.check_primary_source_safety
 
     Bundler.settings.temporary(:frozen => false) do
       definition = builder.to_definition(nil, true)
diff --git a/lib/bundler/lockfile_parser.rb b/lib/bundler/lockfile_parser.rb
index f836737621..058d353bbe 100644
--- a/lib/bundler/lockfile_parser.rb
+++ b/lib/bundler/lockfile_parser.rb
@@ -64,8 +64,6 @@ module Bundler
       @state        = nil
       @specs        = {}
 
-      @rubygems_aggregate = Source::Rubygems.new
-
       if lockfile.match(/<<<<<<<|=======|>>>>>>>|\|\|\|\|\|\|\|/)
         raise LockfileError, "Your #{Bundler.default_lockfile.relative_path_from(SharedHelpers.pwd)} contains merge conflicts.\n" \
           "Run `git checkout HEAD -- #{Bundler.default_lockfile.relative_path_from(SharedHelpers.pwd)}` first to get a clean lock."
@@ -89,7 +87,6 @@ module Bundler
           send("parse_#{@state}", line)
         end
       end
-      @sources << @rubygems_aggregate unless Bundler.feature_flag.disable_multisource?
       @specs = @specs.values.sort_by(&:identifier)
       warn_for_outdated_bundler_version
     rescue ArgumentError => e
@@ -134,16 +131,19 @@ module Bundler
             @sources << @current_source
           end
         when GEM
-          if Bundler.feature_flag.disable_multisource?
+          source_remotes = Array(@opts["remote"])
+
+          if source_remotes.size == 1
             @opts["remotes"] = @opts.delete("remote")
             @current_source = TYPES[@type].from_lock(@opts)
-            @sources << @current_source
           else
-            Array(@opts["remote"]).each do |url|
-              @rubygems_aggregate.add_remote(url)
+            source_remotes.each do |url|
+              rubygems_aggregate.add_remote(url)
             end
-            @current_source = @rubygems_aggregate
+            @current_source = rubygems_aggregate
           end
+
+          @sources << @current_source
         when PLUGIN
           @current_source = Plugin.source_from_lock(@opts)
           @sources << @current_source
@@ -245,5 +245,9 @@ module Bundler
     def parse_ruby(line)
       @ruby_version = line.strip
     end
+
+    def rubygems_aggregate
+      @rubygems_aggregate ||= Source::Rubygems.new
+    end
   end
 end
diff --git a/lib/bundler/plugin.rb b/lib/bundler/plugin.rb
index da3f468da5..dddb468582 100644
--- a/lib/bundler/plugin.rb
+++ b/lib/bundler/plugin.rb
@@ -105,6 +105,7 @@ module Bundler
         else
           builder.eval_gemfile(gemfile)
         end
+        builder.check_primary_source_safety
         definition = builder.to_definition(nil, true)
 
         return if definition.dependencies.empty?
diff --git a/lib/bundler/plugin/installer.rb b/lib/bundler/plugin/installer.rb
index 26cec4f18c..980b0e29b8 100644
--- a/lib/bundler/plugin/installer.rb
+++ b/lib/bundler/plugin/installer.rb
@@ -16,15 +16,13 @@ module Bundler
 
         version = options[:version] || [">= 0"]
 
-        Bundler.settings.temporary(:disable_multisource => false) do
-          if options[:git]
-            install_git(names, version, options)
-          elsif options[:local_git]
-            install_local_git(names, version, options)
-          else
-            sources = options[:source] || Bundler.rubygems.sources
-            install_rubygems(names, version, sources)
-          end
+        if options[:git]
+          install_git(names, version, options)
+        elsif options[:local_git]
+          install_local_git(names, version, options)
+        else
+          sources = options[:source] || Bundler.rubygems.sources
+          install_rubygems(names, version, sources)
         end
       end
 
@@ -79,7 +77,7 @@ module Bundler
         source_list = SourceList.new
 
         source_list.add_git_source(git_source_options) if git_source_options
-        source_list.add_rubygems_source("remotes" => rubygems_source) if rubygems_source
+        source_list.global_rubygems_source = rubygems_source if rubygems_source
 
         deps = names.map {|name| Dependency.new name, version }
 
diff --git a/lib/bundler/plugin/source_list.rb b/lib/bundler/plugin/source_list.rb
index b90a331d28..547661cf2f 100644
--- a/lib/bundler/plugin/source_list.rb
+++ b/lib/bundler/plugin/source_list.rb
@@ -17,6 +17,10 @@ module Bundler
         path_sources + git_sources + rubygems_sources + [metadata_source]
       end
 
+      def default_source
+        git_sources.first || global_rubygems_source
+      end
+
       private
 
       def rubygems_aggregate_class
diff --git a/lib/bundler/resolver.rb b/lib/bundler/resolver.rb
index 585b8667ad..69899dc6c3 100644
--- a/lib/bundler/resolver.rb
+++ b/lib/bundler/resolver.rb
@@ -17,16 +17,21 @@ module Bundler
     # ==== Returns
     # <GemBundle>,nil:: If the list of dependencies can be resolved, a
     #   collection of gemspecs is returned. Otherwise, nil is returned.
-    def self.resolve(requirements, index, source_requirements = {}, base = [], gem_version_promoter = GemVersionPromoter.new, additional_base_requirements = [], platforms = nil)
+    def self.resolve(requirements, source_requirements = {}, base = [], gem_version_promoter = GemVersionPromoter.new, additional_base_requirements = [], platforms = nil)
       base = SpecSet.new(base) unless base.is_a?(SpecSet)
-      resolver = new(index, source_requirements, base, gem_version_promoter, additional_base_requirements, platforms)
+      resolver = new(source_requirements, base, gem_version_promoter, additional_base_requirements, platforms)
       result = resolver.start(requirements)
       SpecSet.new(result)
     end
 
-    def initialize(index, source_requirements, base, gem_version_promoter, additional_base_requirements, platforms)
-      @index = index
+    def initialize(source_requirements, base, gem_version_promoter, additional_base_requirements, platforms)
       @source_requirements = source_requirements
+
+      @index_requirements = source_requirements.each_with_object({}) do |source_requirement, index_requirements|
+        name, source = source_requirement
+        index_requirements[name] = name == :global ? source : source.specs
+      end
+
       @base = base
       @resolver = Molinillo::Resolver.new(self, self)
       @search_for = {}
@@ -40,7 +45,7 @@ module Bundler
       @resolving_only_for_ruby = platforms == [Gem::Platform::RUBY]
       @gem_version_promoter = gem_version_promoter
       @use_gvp = Bundler.feature_flag.use_gem_version_promoter_for_major_updates? || !@gem_version_promoter.major?
-      @lockfile_uses_separate_rubygems_sources = Bundler.feature_flag.disable_multisource?
+      @no_aggregate_global_source = @source_requirements[:global].nil?
 
       @variant_specific_names = []
       @generic_names = ["Ruby\0", "RubyGems\0"]
@@ -125,8 +130,7 @@ module Bundler
       dependency = dependency_proxy.dep
       name = dependency.name
       search_result = @search_for[dependency_proxy] ||= begin
-        index = index_for(dependency)
-        results = index.search(dependency, @base[name])
+        results = results_for(dependency, @base[name])
 
         if vertex = @base_dg.vertex_named(name)
           locked_requirement = vertex.payload.requirement
@@ -196,22 +200,22 @@ module Bundler
     end
 
     def index_for(dependency)
-      source = @source_requirements[dependency.name]
+      source = @index_requirements[dependency.name]
       if source
-        source.specs
-      elsif @lockfile_uses_separate_rubygems_sources
+        source
+      elsif @no_aggregate_global_source
         Index.build do |idx|
-          if dependency.all_sources
-            dependency.all_sources.each {|s| idx.add_source(s.specs) if s }
-          else
-            idx.add_source @source_requirements[:default].specs
-          end
+          dependency.all_sources.each {|s| idx.add_source(s.specs) }
         end
       else
-        @index
+        @index_requirements[:global]
       end
     end
 
+    def results_for(dependency, base)
+      index_for(dependency).search(dependency, base)
+    end
+
     def name_for(dependency)
       dependency.name
     end
@@ -239,18 +243,20 @@ module Bundler
     def relevant_sources_for_vertex(vertex)
       if vertex.root?
         [@source_requirements[vertex.name]]
-      elsif @lockfile_uses_separate_rubygems_sources
+      elsif @no_aggregate_global_source
         vertex.recursive_predecessors.map do |v|
           @source_requirements[v.name]
-        end << @source_requirements[:default]
+        end.compact << @source_requirements[:default]
+      else
+        []
       end
     end
 
     def sort_dependencies(dependencies, activated, conflicts)
       dependencies.sort_by do |dependency|
-        dependency.all_sources = relevant_sources_for_vertex(activated.vertex_named(dependency.name))
         name = name_for(dependency)
         vertex = activated.vertex_named(name)
+        dependency.all_sources = relevant_sources_for_vertex(vertex)
         [
           @base_dg.vertex_named(name) ? 0 : 1,
           vertex.payload ? 0 : 1,
@@ -317,7 +323,7 @@ module Bundler
             "If you are updating multiple gems in your Gemfile at once,\n" \
             "try passing them all to `bundle update`"
         elsif source = @source_requirements[name]
-          specs = source.specs[name]
+          specs = source.specs.search(name)
           versions_with_platforms = specs.map {|s| [s.version, s.platform] }
           message = String.new("Could not find gem '#{SharedHelpers.pretty_dependency(requirement)}' in #{source}#{cache_message}.\n")
           message << if versions_with_platforms.any?
@@ -326,7 +332,7 @@ module Bundler
             "The source does not contain any versions of '#{name}'"
           end
         else
-          message = "Could not find gem '#{requirement}' in any of the gem sources " \
+          message = "Could not find gem '#{SharedHelpers.pretty_dependency(requirement)}' in any of the gem sources " \
             "listed in your Gemfile#{cache_message}."
         end
         raise GemNotFound, message
@@ -392,7 +398,7 @@ module Bundler
             if other_bundler_required
               o << "\n\n"
 
-              candidate_specs = @source_requirements[:default_bundler].specs.search(conflict_dependency)
+              candidate_specs = @index_requirements[:default_bundler].search(conflict_dependency)
               if candidate_specs.any?
                 target_version = candidate_specs.last.version
                 new_command = [File.basename($PROGRAM_NAME), "_#{target_version}_", *ARGV].join(" ")
@@ -411,14 +417,8 @@ module Bundler
 
             relevant_sources = if conflict.requirement.source
               [conflict.requirement.source]
-            elsif conflict.requirement.all_sources
-              conflict.requirement.all_sources
-            elsif @lockfile_uses_separate_rubygems_sources
-              # every conflict should have an explicit group of sources when we
-              # enforce strict pinning
-              raise "no source set for #{conflict}"
             else
-              []
+              conflict.requirement.all_sources
             end.compact.map(&:to_s).uniq.sort
 
             metadata_requirement = name.end_with?("\0")
@@ -455,23 +455,21 @@ module Bundler
     def validate_resolved_specs!(resolved_specs)
       resolved_specs.each do |v|
         name = v.name
-        next unless sources = relevant_sources_for_vertex(v)
-        sources.compact!
+        sources = relevant_sources_for_vertex(v)
+        next unless sources.any?
         if default_index = sources.index(@source_requirements[:default])
           sources.delete_at(default_index)
         end
-        sources.reject! {|s| s.specs[name].empty? }
+        sources.reject! {|s| s.specs.search(name).empty? }
         sources.uniq!
         next if sources.size <= 1
 
-        multisource_disabled = Bundler.feature_flag.disable_multisource?
-
         msg = ["The gem '#{name}' was found in multiple relevant sources."]
         msg.concat sources.map {|s| "  * #{s}" }.sort
-        msg << "You #{multisource_disabled ? :must : :should} add this gem to the source block for the source you wish it to be installed from."
+        msg << "You #{@no_aggregate_global_source ? :must : :should} add this gem to the source block for the source you wish it to be installed from."
         msg = msg.join("\n")
 
-        raise SecurityError, msg if multisource_disabled
+        raise SecurityError, msg if @no_aggregate_global_source
         Bundler.ui.warn "Warning: #{msg}"
       end
     end
diff --git a/lib/bundler/source_list.rb b/lib/bundler/source_list.rb
index 436891256d..44b167ca3e 100644
--- a/lib/bundler/source_list.rb
+++ b/lib/bundler/source_list.rb
@@ -5,15 +5,19 @@ module Bundler
     attr_reader :path_sources,
       :git_sources,
       :plugin_sources,
-      :global_rubygems_source,
+      :global_path_source,
       :metadata_source
 
+    def global_rubygems_source
+      @global_rubygems_source ||= rubygems_aggregate_class.new
+    end
+
     def initialize
       @path_sources           = []
       @git_sources            = []
       @plugin_sources         = []
       @global_rubygems_source = nil
-      @rubygems_aggregate     = rubygems_aggregate_class.new
+      @global_path_source     = nil
       @rubygems_sources       = []
       @metadata_source        = Source::Metadata.new
     end
@@ -22,7 +26,9 @@ module Bundler
       if options["gemspec"]
         add_source_to_list Source::Gemspec.new(options), path_sources
       else
-        add_source_to_list Source::Path.new(options), path_sources
+        path_source = add_source_to_list Source::Path.new(options), path_sources
+        @global_path_source ||= path_source if options["global"]
+        path_source
       end
     end
 
@@ -41,24 +47,20 @@ module Bundler
     end
 
     def global_rubygems_source=(uri)
-      if Bundler.feature_flag.disable_multisource?
-        @global_rubygems_source ||= rubygems_aggregate_class.new("remotes" => uri)
-      end
-      add_rubygems_remote(uri)
+      @global_rubygems_source ||= rubygems_aggregate_class.new("remotes" => uri)
     end
 
     def add_rubygems_remote(uri)
-      return if Bundler.feature_flag.disable_multisource?
-      @rubygems_aggregate.add_remote(uri)
-      @rubygems_aggregate
+      global_rubygems_source.add_remote(uri)
+      global_rubygems_source
     end
 
     def default_source
-      global_rubygems_source || @rubygems_aggregate
+      global_path_source || global_rubygems_source
     end
 
     def rubygems_sources
-      @rubygems_sources + [default_source]
+      @rubygems_sources + [global_rubygems_source]
     end
 
     def rubygems_remotes
@@ -94,10 +96,9 @@ module Bundler
 
       replacement_rubygems = !Bundler.feature_flag.disable_multisource? &&
         replacement_sources.detect {|s| s.is_a?(Source::Rubygems) }
-      @rubygems_aggregate = replacement_rubygems if replacement_rubygems
+      @global_rubygems_source = replacement_rubygems if replacement_rubygems
 
       return true if !equal_sources?(lock_sources, replacement_sources) && !equivalent_sources?(lock_sources, replacement_sources)
-      return true if replacement_rubygems && rubygems_remotes.sort_by(&:to_s) != replacement_rubygems.remotes.sort_by(&:to_s)
 
       false
     end
@@ -110,10 +111,6 @@ module Bundler
       all_sources.each(&:remote!)
     end
 
-    def rubygems_primary_remotes
-      @rubygems_aggregate.remotes
-    end
-
     private
 
     def rubygems_aggregate_class
diff --git a/lib/bundler/templates/newgem/README.md.tt b/lib/bundler/templates/newgem/README.md.tt
index 315bc745a3..8fd87abe9a 100644
--- a/lib/bundler/templates/newgem/README.md.tt
+++ b/lib/bundler/templates/newgem/README.md.tt
@@ -29,19 +29,21 @@ TODO: Write usage instructions here
 After checking out the repo, run `bin/setup` to install dependencies.<% if config[:test] %> Then, run `rake <%= config[:test].sub('mini', '').sub('rspec', 'spec') %>` to run the tests.<% end %> You can also run `bin/console` for an interactive prompt that will allow you to experiment.<% if config[:bin] %> Run `bundle exec <%= config[:name] %>` to use the gem in this directory, ignoring other installed copies of this gem.<% end %>
 
 To install this gem onto your local machine, run `bundle exec rake install`. To release a new version, update the version number in `version.rb`, and then run `bundle exec rake release`, which will create a git tag for the version, push git commits and the created tag, and push the `.gem` file to [rubygems.org](https://rubygems.org).
+<% if config[:git] -%>
 
 ## Contributing
 
-Bug reports and pull requests are welcome on GitHub at https://github.com/<%= config[:github_username] %>/<%= config[:name] %>.<% if config[:coc] %> This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the [code of conduct](https://github.com/<%= config[:github_username] %>/<%= config[:name] %>/blob/master/CODE_OF_CONDUCT.md).<% end %>
+Bug reports and pull requests are welcome on GitHub at https://github.com/<%= config[:github_username] %>/<%= config[:name] %>.<% if config[:coc] %> This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the [code of conduct](https://github.com/<%= config[:github_username] %>/<%= config[:name] %>/blob/<%= config[:git_default_branch] %>/CODE_OF_CONDUCT.md).<% end %>
+<% end -%>
 <% if config[:mit] -%>
 
 ## License
 
 The gem is available as open source under the terms of the [MIT License](https://opensource.org/licenses/MIT).
 <% end -%>
-<% if config[:coc] -%>
+<% if config[:git] && config[:coc] -%>
 
 ## Code of Conduct
 
-Everyone interacting in the <%= config[:constant_name] %> project's codebases, issue trackers, chat rooms and mailing lists is expected to follow the [code of conduct](https://github.com/<%= config[:github_username] %>/<%= config[:name] %>/blob/master/CODE_OF_CONDUCT.md).
+Everyone interacting in the <%= config[:constant_name] %> project's codebases, issue trackers, chat rooms and mailing lists is expected to follow the [code of conduct](https://github.com/<%= config[:github_username] %>/<%= config[:name] %>/blob/<%= config[:git_default_branch] %>/CODE_OF_CONDUCT.md).
 <% end -%>
diff --git a/lib/bundler/version.rb b/lib/bundler/version.rb
index ef8a25a2ae..46c5ecb2f3 100644
--- a/lib/bundler/version.rb
+++ b/lib/bundler/version.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: false
 
 module Bundler
-  VERSION = "2.2.12".freeze
+  VERSION = "2.2.13".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 c6c80637e7..609517e1e7 100644
--- a/lib/rubygems.rb
+++ b/lib/rubygems.rb
@@ -8,7 +8,7 @@
 require 'rbconfig'
 
 module Gem
-  VERSION = "3.2.12".freeze
+  VERSION = "3.2.13".freeze
 end
 
 # Must be first since it unloads the prelude from 1.9.2
diff --git a/lib/rubygems/core_ext/tcpsocket_init.rb b/lib/rubygems/core_ext/tcpsocket_init.rb
index 3275c58112..3d9740c579 100644
--- a/lib/rubygems/core_ext/tcpsocket_init.rb
+++ b/lib/rubygems/core_ext/tcpsocket_init.rb
@@ -13,12 +13,13 @@ module CoreExtensions
       def initialize(host, serv, *rest)
         mutex = Mutex.new
         addrs = []
+        threads = []
         cond_var = ConditionVariable.new
 
         Addrinfo.foreach(host, serv, nil, :STREAM) do |addr|
           Thread.report_on_exception = false if defined? Thread.report_on_exception = ()
 
-          Thread.new(addr) do
+          threads << Thread.new(addr) do
             # give head start to ipv6 addresses
             sleep IPV4_DELAY_SECONDS if addr.ipv4?
 
@@ -40,6 +41,8 @@ module CoreExtensions
           host = addrs.shift unless addrs.empty?
         end
 
+        threads.each {|t| t.kill.join if t.alive? }
+
         super(host, serv, *rest)
       end
     end
diff --git a/lib/rubygems/platform.rb b/lib/rubygems/platform.rb
index fd1c0a62ac..e01d0494d6 100644
--- a/lib/rubygems/platform.rb
+++ b/lib/rubygems/platform.rb
@@ -66,7 +66,7 @@ class Gem::Platform
     when String then
       arch = arch.split '-'
 
-      if arch.length > 2 and arch.last !~ /\d/ # reassemble x86-linux-gnu
+      if arch.length > 2 and arch.last !~ /\d+(\.\d+)?$/ # reassemble x86-linux-{libc}
         extra = arch.pop
         arch.last << "-#{extra}"
       end
@@ -146,7 +146,8 @@ class Gem::Platform
   ##
   # Does +other+ match this platform?  Two platforms match if they have the
   # same CPU, or either has a CPU of 'universal', they have the same OS, and
-  # they have the same version, or either has no version.
+  # they have the same version, or either has no version (except for 'linux'
+  # where the version is the libc name, with no version standing for 'gnu')
   #
   # Additionally, the platform will match if the local CPU is 'arm' and the
   # other CPU starts with "arm" (for generic ARM family support).
@@ -162,7 +163,10 @@ class Gem::Platform
     @os == other.os and
 
     # version
-    (@version.nil? or other.version.nil? or @version == other.version)
+    (
+      (@os != 'linux' and (@version.nil? or other.version.nil?)) or
+      @version == other.version
+    )
   end
 
   ##
diff --git a/spec/bundler/bundler/plugin_spec.rb b/spec/bundler/bundler/plugin_spec.rb
index 8c95723bcc..d18896895e 100644
--- a/spec/bundler/bundler/plugin_spec.rb
+++ b/spec/bundler/bundler/plugin_spec.rb
@@ -112,6 +112,7 @@ RSpec.describe Bundler::Plugin do
     before do
       allow(Plugin::DSL).to receive(:new) { builder }
       allow(builder).to receive(:eval_gemfile).with(gemfile)
+      allow(builder).to receive(:check_primary_source_safety)
       allow(builder).to receive(:to_definition) { definition }
       allow(builder).to receive(:inferred_plugins) { [] }
     end
diff --git a/spec/bundler/commands/exec_spec.rb b/spec/bundler/commands/exec_spec.rb
index 5d43586116..5fa68b96d5 100644
--- a/spec/bundler/commands/exec_spec.rb
+++ b/spec/bundler/commands/exec_spec.rb
@@ -668,29 +668,40 @@ RSpec.describe "bundle exec" do
 
     subject { bundle "exec #{path} arg1 arg2", :raise_on_error => false }
 
-    shared_examples_for "it runs" do
-      it "like a normally executed executable" do
-        skip "https://github.com/rubygems/rubygems/issues/3351" if Gem.win_platform?
+    it "runs" do
+      skip "https://github.com/rubygems/rubygems/issues/3351" if Gem.win_platform?
 
-        subject
-        expect(exitstatus).to eq(exit_code)
-        expect(err).to eq(expected_err)
-        expect(out).to eq(expected)
-      end
+      subject
+      expect(exitstatus).to eq(exit_code)
+      expect(err).to eq(expected_err)
+      expect(out).to eq(expected)
     end
 
-    it_behaves_like "it runs"
-
     context "the executable exits explicitly" do
       let(:executable) { super() << "\nexit #{exit_code}\nputs 'POST_EXIT'\n" }
 
       context "with exit 0" do
-        it_behaves_like "it runs"
+        it "runs" do
+          skip "https://github.com/rubygems/rubygems/issues/3351" if Gem.win_platform?
+
+          subject
+          expect(exitstatus).to eq(exit_code)
+          expect(err).to eq(expected_err)
+          expect(out).to eq(expected)
+        end
       end
 
       context "with exit 99" do
         let(:exit_code) { 99 }
-        it_behaves_like "it runs"
+
+        it "runs" do
+          skip "https://github.com/rubygems/rubygems/issues/3351" if Gem.win_platform?
+
+          subject
+          expect(exitstatus).to eq(exit_code)
+          expect(err).to eq(expected_err)
+          expect(out).to eq(expected)
+        end
       end
     end
 
@@ -707,7 +718,15 @@ RSpec.describe "bundle exec" do
         # this is specified by C99
         128 + 15
       end
-      it_behaves_like "it runs"
+
+      it "runs" do
+        skip "https://github.com/rubygems/rubygems/issues/3351" if Gem.win_platform?
+
+        subject
+        expect(exitstatus).to eq(exit_code)
+        expect(err).to eq(expected_err)
+        expect(out).to eq(expected)
+      end
     end
 
     context "the executable is empty" do
@@ -716,7 +735,15 @@ RSpec.describe "bundle exec" do
       let(:exit_code) { 0 }
       let(:expected_err) { "#{path} is empty" }
       let(:expected) { "" }
-      it_behaves_like "it runs"
+
+      it "runs" do
+        skip "https://github.com/rubygems/rubygems/issues/3351" if Gem.win_platform?
+
+        subject
+        expect(exitstatus).to eq(exit_code)
+        expect(err).to eq(expected_err)
+        expect(out).to eq(expected)
+      end
     end
 
     context "the executable raises" do
@@ -743,12 +770,27 @@ RSpec.describe "bundle exec" do
       let(:expected_err) { "bundler: failed to load command: #{path} (#{path})\n#{system_gem_path("bin/bundle")}: Err (Err)" }
       let(:expected) { super() }
 
-      it_behaves_like "it runs"
+      it "runs" do
+        skip "https://github.com/rubygems/rubygems/issues/3351" if Gem.win_platform?
+
+        subject
+        expect(exitstatus).to eq(exit_code)
+        expect(err).to eq(expected_err)
+        expect(out).to eq(expected)
+      end
     end
 
     context "when the file uses the current ruby shebang" do
       let(:shebang) { "#!#{Gem.ruby}" }
-      it_behaves_like "it runs"
+
+      it "runs" do
+        skip "https://github.com/rubygems/rubygems/issues/3351" if Gem.win_platform?
+
+        subject
+        expect(exitstatus).to eq(exit_code)
+        expect(err).to eq(expected_err)
+        expect(out).to eq(expected)
+      end
     end
 
     context "when Bundler.setup fails", :bundler => "< 3" do
@@ -762,11 +804,19 @@ RSpec.describe "bundle exec" do
       let(:exit_code) { Bundler::GemNotFound.new.status_code }
       let(:expected) { "" }
       let(:expected_err) { <<-EOS.strip }
-\e[31mCould not find gem 'rack (= 2)' in any of the gem sources listed in your Gemfile.\e[0m
+\e[31mCould not find gem 'rack (= 2)' in locally installed gems.
+The source contains the following versions of 'rack': 0.9.1, 1.0.0\e[0m
 \e[33mRun `bundle install` to install missing gems.\e[0m
       EOS
 
-      it_behaves_like "it runs"
+      it "runs" do
+        skip "https://github.com/rubygems/rubygems/issues/3351" if Gem.win_platform?
+
+        subject
+        expect(exitstatus).to eq(exit_code)
+        expect(err).to eq(expected_err)
+        expect(out).to eq(expected)
+      end
     end
 
     context "when Bundler.setup fails", :bundler => "3" do
@@ -785,14 +835,28 @@ The source contains the following versions of 'rack': 1.0.0\e[0m
 \e[33mRun `bundle install` to install missing gems.\e[0m
       EOS
 
-      it_behaves_like "it runs"
+      it "runs" do
+        skip "https://github.com/rubygems/rubygems/issues/3351" if Gem.win_platform?
+
+        subject
+        expect(exitstatus).to eq(exit_code)
+        expect(err).to eq(expected_err)
+        expect(out).to eq(expected)
+      end
     end
 
     context "when the executable exits non-zero via at_exit" do
       let(:executable) { super() + "\n\nat_exit { $! ? raise($!) : exit(1) }" }
       let(:exit_code) { 1 }
 
-      it_behaves_like "it runs"
+      it "runs" do
+        skip "https://github.com/rubygems/rubygems/issues/3351" if Gem.win_platform?
+
+        subject
+        expect(exitstatus).to eq(exit_code)
+        expect(err).to eq(expected_err)
+        expect(out).to eq(expected)
+      end
     end
 
     context "when disable_exec_load is set" do
@@ -803,7 +867,14 @@ The source contains the following versions of 'rack': 1.0.0\e[0m
         bundle "config set disable_exec_load true"
       end
 
-      it_behaves_like "it runs"
+      it "runs" do
+        skip "https://github.com/rubygems/rubygems/issues/3351" if Gem.win_platform?
+
+        subject
+        expect(exitstatus).to eq(exit_code)
+        expect(err).to eq(expected_err)
+        expect(out).to eq(expected)
+      end
     end
 
     context "regarding $0 and __FILE__" do
@@ -819,12 +890,26 @@ $0: #{path.to_s.inspect}
 __FILE__: #{path.to_s.inspect}
       EOS
 
-      it_behaves_like "it runs"
+      it "runs" do
+        skip "https://github.com/rubygems/rubygems/issues/3351" if Gem.win_platform?
+
+        subject
+        expect(exitstatus).to eq(exit_code)
+        expect(err).to eq(expected_err)
+        expect(out).to eq(expected)
+      end
 
       context "when the path is relative" do
         let(:path) { super().relative_path_from(bundled_app) }
 
-        it_behaves_like "it runs"
+        it "runs" do
+          skip "https://github.com/rubygems/rubygems/issues/3351" if Gem.win_platform?
+
+          subject
+          expect(exitstatus).to eq(exit_code)
+          expect(err).to eq(expected_err)
+          expect(out).to eq(expected)
+        end
       end
 
       context "when the path is relative with a leading ./" do
diff --git a/spec/bundler/commands/newgem_spec.rb b/spec/bundler/commands/newgem_spec.rb
index c5294a6b4d..297d380059 100644
--- a/spec/bundler/commands/newgem_spec.rb
+++ b/spec/bundler/commands/newgem_spec.rb
@@ -28,44 +28,9 @@ RSpec.describe "bundle gem" do
   let(:require_path) { "mygem" }
 
   before do
-    git_config_content = <<-EOF
-    [user]
-      name = "Bundler User"
-      email = user@example.com
-    [github]
-      user = bundleuser
-    EOF
-    @git_config_location = ENV["GIT_CONFIG"]
-    path = "#{tmp}/test_git_config.txt"
-    File.open(path, "w") {|f| f.write(git_config_content) }
-    ENV["GIT_CONFIG"] = path
-  end
-
-  after do
-    FileUtils.rm(ENV["GIT_CONFIG"]) if File.exist?(ENV["GIT_CONFIG"])
-    ENV["GIT_CONFIG"] = @git_config_location
-  end
-
-  shared_examples_for "git config is present" do
-    context "git config user.{name,email} present" do
-      it "sets gemspec author to git user.name if available" do
-        expect(generated_gemspec.authors.first).to eq("Bundler User")
-      end
-
-      it "sets gemspec email to git user.email if available" do
-        expect(generated_gemspec.email.first).to eq("user@example.com")
-      end
-    end
-  end
-
-  shared_examples_for "git config is absent" do
-    it "sets gemspec author to default message if git user.name is not set or empty" do
-      expect(generated_gemspec.authors.first).to eq("TODO: Write your name")
-    end
-
-    it "sets gemspec email to default message if git user.email is not set or empty" do
-      expect(generated_gemspec.email.first).to eq("TODO: Write your email address")
-    end
+    sys_exec("git config --global user.name 'Bundler User'")
+    sys_exec("git config --global user.email user@example.com")
+    sys_exec("git config --global github.user bundleuser")
   end
 
   describe "git repo initialization" do
@@ -125,19 +90,24 @@ RSpec.describe "bundle gem" do
   end
 
   shared_examples_for "--coc flag" do
-    before do
-      bundle "gem #{gem_name} --coc"
-    end
     it "generates a gem skeleton with MIT license" do
+      bundle "gem #{gem_name} --coc"
       gem_skeleton_assertions
       expect(bundled_app("#{gem_name}/CODE_OF_CONDUCT.md")).to exist
     end
 
-    describe "README additions" do
-      it "generates the README with a section for the Code of Conduct" do
-        expect(bundled_app("#{gem_name}/README.md").read).to include("## Code of Conduct")
-        expect(bundled_app("#{gem_name}/README.md").read).to include("https://github.com/bundleuser/#{gem_name}/blob/master/CODE_OF_CONDUCT.md")
-      end
+    it "generates the README with a section for the Code of Conduct" do
+      bundle "gem #{gem_name} --coc"
+      expect(bundled_app("#{gem_name}/README.md").read).to include("## Code of Conduct")
+      expect(bundled_app("#{gem_name}/README.md").read).to match(%r{https://github\.com/bundleuser/#{gem_name}/blob/.*/CODE_OF_CONDUCT.md})
+    end
+
+    it "generates the README with a section for the Code of Conduct, respecting the configured git default branch" do
+      sys_exec("git config --global init.defaultBranch main")
+      bundle "gem #{gem_name} --coc"
+
+      expect(bundled_app("#{gem_name}/README.md").read).to include("## Code of Conduct")
+      expect(bundled_app("#{gem_name}/README.md").read).to include("https://github.com/bundleuser/#{gem_name}/blob/main/CODE_OF_CONDUCT.md")
     end
   end
 
@@ -150,11 +120,9 @@ RSpec.describe "bundle gem" do
       expect(bundled_app("#{gem_name}/CODE_OF_CONDUCT.md")).to_not exist
     end
 
-    describe "README additions" do
-      it "generates the README without a section for the Code of Conduct" do
-        expect(bundled_app("#{gem_name}/README.md").read).not_to include("## Code of Conduct")
-        expect(bundled_app("#{gem_name}/README.md").read).not_to include("https://github.com/bundleuser/#{gem_name}/blob/master/CODE_OF_CONDUCT.md")
-      end
+    it "generates the README without a section for the Code of Conduct" do
+      expect(bundled_app("#{gem_name}/README.md").read).not_to include("## Code of Conduct")
+      expect(bundled_app("#{gem_name}/README.md").read).not_to match(%r{https://github\.com/bundleuser/#{gem_name}/blob/.*/CODE_OF_CONDUCT.md})
     end
   end
 
@@ -302,7 +270,7 @@ RSpec.describe "bundle gem" do
 
     context "git config github.user is absent" do
       before do
-        sys_exec("git config --unset github.user")
+        sys_exec("git config --global --unset github.user")
         bundle "gem #{gem_name}"
       end
 
@@ -413,17 +381,29 @@ RSpec.describe "bundle gem" do
         bundle "gem #{gem_name}"
       end
 
-      it_should_behave_like "git config is present"
+      it "sets gemspec author to git user.name if available" do
+        expect(generated_gemspec.authors.first).to eq("Bundler User")
+      end
+
+      it "sets gemspec email to git user.email if available" do
+        expect(generated_gemspec.email.first).to eq("user@example.com")
+      end
     end
 
     context "git config user.{name,email} is not set" do
       before do
-        sys_exec("git config --unset user.name", :dir => bundled_app)
-        sys_exec("git config --unset user.email", :dir => bundled_app)
+        sys_exec("git config --global --unset user.name")
+        sys_exec("git config --global --unset user.email")
         bundle "gem #{gem_name}"
       end
 
-      it_should_behave_like "git config is absent"
+      it "sets gemspec author to default message if git user.name is not set or empty" do
+        expect(generated_gemspec.authors.first).to eq("TODO: Write your name")
+      end
+
+      it "sets gemspec email to default message if git user.email is not set or empty" do
+        expect(generated_gemspec.email.first).to eq("TODO: Write your email address")
+      end
     end
 
     it "sets gemspec metadata['allowed_push_host']" do
@@ -1140,7 +1120,7 @@ Usage: "bundle gem NAME [OPTIONS]"
     it "should fail gracefully" do
       FileUtils.touch(bundled_app("conflict-foobar"))
       bundle "gem conflict-foobar", :raise_on_error => false
-      expect(err).to include("Errno::ENOTDIR")
+      expect(err).to eq("Couldn't create a new gem named `conflict-foobar` because there's an existing file named `conflict-foobar`.")
       expect(exitstatus).to eql(32)
     end
   end
diff --git a/spec/bundler/commands/post_bundle_message_spec.rb b/spec/bundler/commands/post_bundle_message_spec.rb
index 2c965f0ddd..3f81808980 100644
--- a/spec/bundler/commands/post_bundle_message_spec.rb
+++ b/spec/bundler/commands/post_bundle_message_spec.rb
@@ -113,16 +113,7 @@ RSpec.describe "post bundle message" do
         bundle "config set force_ruby_platform true"
       end
 
-      it "should report a helpful error message", :bundler => "< 3" do
-        install_gemfile <<-G, :raise_on_error => false
-          source "#{file_uri_for(gem_repo1)}"
-          gem "rack"
-          gem "not-a-gem", :group => :development
-        G
-        expect(err).to include("Could not find gem 'not-a-gem' in any of the gem sources listed in your Gemfile.")
-      end
-
-      it "should report a helpful error message", :bundler => "3" do
+      it "should report a helpful error message" do
         install_gemfile <<-G, :raise_on_error => false
           source "#{file_uri_for(gem_repo1)}"
           gem "rack"
diff --git a/spec/bundler/install/gemfile/gemspec_spec.rb b/spec/bundler/install/gemfile/gemspec_spec.rb
index 7a95a8abde..4001df26da 100644
--- a/spec/bundler/install/gemfile/gemspec_spec.rb
+++ b/spec/bundler/install/gemfile/gemspec_spec.rb
@@ -422,14 +422,13 @@ RSpec.describe "bundle install from an existing gemspec" do
           end
         end
 
-        %w[ruby jruby].each do |platform|
-          simulate_platform(platform) do
-            install_gemfile <<-G
-              source "#{file_uri_for(gem_repo2)}"
-              gemspec
-            G
-          end
-        end
+        gemfile <<-G
+          source "#{file_uri_for(gem_repo2)}"
+          gemspec
+        G
+
+        simulate_platform("ruby") { bundle "install" }
+        simulate_platform("jruby") { bundle "install" }
       end
 
       context "on ruby" do
diff --git a/spec/bundler/install/gemfile/sources_spec.rb b/spec/bundler/install/gemfile/sources_spec.rb
index cfa8ba7dc9..7916b83977 100644
--- a/spec/bundler/install/gemfile/sources_spec.rb
+++ b/spec/bundler/install/gemfile/sources_spec.rb
@@ -173,7 +173,7 @@ RSpec.describe "bundle install with gems on multiple sources" do
           it "installs from the same source without any warning" do
             bundle :install
             expect(err).not_to include("Warning")
-            expect(the_bundle).to include_gems("depends_on_rack 1.0.1", "rack 1.0.0")
+            expect(the_bundle).to include_gems("depends_on_rack 1.0.1", "rack 1.0.0", :source => "remote3")
           end
         end
 
@@ -187,25 +187,19 @@ RSpec.describe "bundle install with gems on multiple sources" do
             end
           end
 
-          context "when disable_multisource is set" do
-            before do
-              bundle "config set disable_multisource true"
-            end
-
-            it "installs from the same source without any warning" do
-              bundle :install
+          it "installs from the same source without any warning" do
+            bundle :install
 
-              expect(err).not_to include("Warning: the gem 'rack' was found in multiple sources.")
-              expect(the_bundle).to include_gems("depends_on_rack 1.0.1", "rack 1.0.0")
+            expect(err).not_to include("Warning: the gem 'rack' was found in multiple sources.")
+            expect(the_bundle).to include_gems("depends_on_rack 1.0.1", "rack 1.0.0", :source => "remote3")
 
-              # In https://github.com/bundler/bundler/issues/3585 this failed
-              # when there is already a lock file, and the gems are missing, so try again
-              system_gems []
-              bundle :install
+            # In https://github.com/bundler/bundler/issues/3585 this failed
+            # when there is already a lock file, and the gems are missing, so try again
+            system_gems []
+            bundle :install
 
-              expect(err).not_to include("Warning: the gem 'rack' was found in multiple sources.")
-              expect(the_bundle).to include_gems("depends_on_rack 1.0.1", "rack 1.0.0")
-            end
+            expect(err).not_to include("Warning: the gem 'rack' was found in multiple sources.")
+            expect(the_bundle).to include_gems("depends_on_rack 1.0.1", "rack 1.0.0", :source => "remote3")
           end
         end
       end
@@ -301,6 +295,33 @@ RSpec.describe "bundle install with gems on multiple sources" do
       end
     end
 
+    context "when a top-level gem can only be found in an scoped source" do
+      before do
+        build_repo2
+
+        build_repo gem_repo3 do
+          build_gem "private_gem_1", "1.0.0"
+          build_gem "private_gem_2", "1.0.0"
+        end
+
+        gemfile <<-G
+          source "#{file_uri_for(gem_repo2)}"
+
+          gem "private_gem_1"
+
+          source "#{file_uri_for(gem_repo3)}" do
+            gem "private_gem_2"
+          end
+        G
+      end
+
+      it "fails" do
+        bundle :install, :raise_on_error => false
+        expect(err).to include("Could not find gem 'private_gem_1' in rubygems repository #{file_uri_for(gem_repo2)}/ or installed locally.")
+        expect(err).to include("The source does not contain any versions of 'private_gem_1'")
+      end
+    end
+
     context "when a top-level gem has an indirect dependency" do
       context "when disable_multisource is set" do
         before do
@@ -497,6 +518,83 @@ RSpec.describe "bundle install with gems on multiple sources" do
       end
     end
 
+    context "when a top-level gem has an indirect dependency present in the default source, but with a different version from the one resolved", :bundler => "< 3" do
+      before do
+        build_lib "activesupport", "7.0.0.alpha", :path => lib_path("rails/activesupport")
+        build_lib "rails", "7.0.0.alpha", :path => lib_path("rails") do |s|
+          s.add_dependency "activesupport", "= 7.0.0.alpha"
+        end
+
+        build_repo gem_repo2 do
+          build_gem "activesupport", "6.1.2"
+
+          build_gem "webpacker", "5.2.1" do |s|
+            s.add_dependency "activesupport", ">= 5.2"
+          end
+        end
+
+        gemfile <<-G
+          source "#{file_uri_for(gem_repo2)}"
+
+          gemspec :path => "#{lib_path("rails")}"
+
+          gem "webpacker", "~> 5.0"
+        G
+      end
+
+      it "installs all gems without warning" do
+        bundle :install
+        expect(err).not_to include("Warning")
+        expect(the_bundle).to include_gems("activesupport 7.0.0.alpha", "rails 7.0.0.alpha")
+        expect(the_bundle).to include_gems("activesupport 7.0.0.alpha", :source => "path@#{lib_path("rails/activesupport")}")
+        expect(the_bundle).to include_gems("rails 7.0.0.alpha", :source => "path@#{lib_path("rails")}")
+      end
+    end
+
+    context "when a pinned gem has an indirect dependency with more than one level of indirection in the default source ", :bundler => "< 3" do
+      before do
+        build_repo gem_repo3 do
+          build_gem "handsoap", "0.2.5.5" do |s|
+            s.add_dependency "nokogiri", ">= 1.2.3"
+          end
+        end
+
+        update_repo gem_repo2 do
+          build_gem "nokogiri", "1.11.1" do |s|
+            s.add_dependency "racca", "~> 1.4"
+          end
+
+          build_gem "racca", "1.5.2"
+        end
+
+        gemfile <<-G
+          source "#{file_uri_for(gem_repo2)}"
+
+          source "#{file_uri_for(gem_repo3)}" do
+            gem "handsoap"
+          end
+
+          gem "nokogiri"
+        G
+      end
+
+      it "installs from the proper sources without any warnings or errors" do
+        bundle "install --verbose"
+        expect(err).not_to include("Warning")
+        expect(the_bundle).to include_gems("handsoap 0.2.5.5", "nokogiri 1.11.1", "racca 1.5.2")
+        expect(the_bundle).to include_gems("handsoap 0.2.5.5", :source => "remote3")
+        expect(the_bundle).to include_gems("nokogiri 1.11.1", "racca 1.5.2", :source => "remote2")
+
+        # Even if the gems are already installed
+        FileUtils.rm bundled_app_lock
+        bundle "install --verbose"
+        expect(err).not_to include("Warning")
+        expect(the_bundle).to include_gems("handsoap 0.2.5.5", "nokogiri 1.11.1", "racca 1.5.2")
+        expect(the_bundle).to include_gems("handsoap 0.2.5.5", :source => "remote3")
+        expect(the_bundle).to include_gems("nokogiri 1.11.1", "racca 1.5.2", :source => "remote2")
+      end
+    end
+
     context "with a gem that is only found in the wrong source" do
       before do
         build_repo gem_repo3 do
diff --git a/spec/bundler/support/indexes.rb b/spec/bundler/support/indexes.rb
index 45b68541f5..1f3c4ddaa6 100644
--- a/spec/bundler/support/indexes.rb
+++ b/spec/bundler/support/indexes.rb
@@ -30,7 +30,7 @@ module Spec
       args[1] ||= Bundler::GemVersionPromoter.new # gem_version_promoter
       args[2] ||= [] # additional_base_requirements
       args[3] ||= @platforms # platforms
-      Bundler::Resolver.resolve(deps, @index, source_requirements, *args)
+      Bundler::Resolver.resolve(deps, source_requirements, *args)
     end
 
     def should_resolve_as(specs)
diff --git a/test/rubygems/test_gem.rb b/test/rubygems/test_gem.rb
index 1c6d790b25..8b028d3495 100644
--- a/test/rubygems/test_gem.rb
+++ b/test/rubygems/test_gem.rb
@@ -1958,15 +1958,9 @@ class TestGem < Gem::TestCase
       io.write 'gem "a"'
     end
 
-    platform = Bundler::GemHelpers.generic_local_platform
-    if platform == Gem::Platform::RUBY
-      platform = ''
-    else
-      platform = " #{platform}"
-    end
-
     expected = <<-EXPECTED
-Could not find gem 'a#{platform}' in any of the gem sources listed in your Gemfile.
+Could not find gem 'a' in locally installed gems.
+The source does not contain any versions of 'a'
 You may need to `gem install -g` to install missing gems
 
     EXPECTED
diff --git a/test/rubygems/test_gem_platform.rb b/test/rubygems/test_gem_platform.rb
index 84754402ad..ad7285c082 100644
--- a/test/rubygems/test_gem_platform.rb
+++ b/test/rubygems/test_gem_platform.rb
@@ -134,7 +134,9 @@ class TestGemPlatform < Gem::TestCase
       'i386-solaris2.8'        => ['x86',       'solaris',   '2.8'],
       'mswin32'                => ['x86',       'mswin32',   nil],
       'x86_64-linux'           => ['x86_64',    'linux',     nil],
+      'x86_64-linux-gnu'       => ['x86_64',    'linux',     nil],
       'x86_64-linux-musl'      => ['x86_64',    'linux',     'musl'],
+      'x86_64-linux-uclibc'    => ['x86_64',    'linux',     'uclibc'],
       'x86_64-openbsd3.9'      => ['x86_64',    'openbsd',   '3.9'],
       'x86_64-openbsd4.0'      => ['x86_64',    'openbsd',   '4.0'],
       'x86_64-openbsd'         => ['x86_64',    'openbsd',   nil],
@@ -143,6 +145,7 @@ class TestGemPlatform < Gem::TestCase
     test_cases.each do |arch, expected|
       platform = Gem::Platform.new arch
       assert_equal expected, platform.to_a, arch.inspect
+      assert_equal expected, Gem::Platform.new(platform.to_s).to_a, arch.inspect
     end
   end
 
@@ -261,6 +264,32 @@ class TestGemPlatform < Gem::TestCase
     assert((with_x86_arch === with_nil_arch), 'x86 =~ nil')
   end
 
+  def test_nil_version_is_treated_as_any_version
+    x86_darwin_8 = Gem::Platform.new 'i686-darwin8.0'
+    x86_darwin_nil = Gem::Platform.new 'i686-darwin'
+
+    assert((x86_darwin_8 === x86_darwin_nil), '8.0 =~ nil')
+    assert((x86_darwin_nil === x86_darwin_8), 'nil =~ 8.0')
+  end
+
+  def test_nil_version_is_stricter_for_linux_os
+    x86_linux = Gem::Platform.new 'i686-linux'
+    x86_linux_gnu = Gem::Platform.new 'i686-linux-gnu'
+    x86_linux_musl = Gem::Platform.new 'i686-linux-musl'
+    x86_linux_uclibc = Gem::Platform.new 'i686-linux-uclibc'
+
+    assert((x86_linux === x86_linux_gnu), 'linux =~ linux-gnu')
+    assert((x86_linux_gnu === x86_linux), 'linux-gnu =~ linux')
+    assert(!(x86_linux_gnu === x86_linux_musl), 'linux-gnu =~ linux-musl')
+    assert(!(x86_linux_musl === x86_linux_gnu), 'linux-musl =~ linux-gnu')
+    assert(!(x86_linux_uclibc === x86_linux_musl), 'linux-uclibc =~ linux-musl')
+    assert(!(x86_linux_musl === x86_linux_uclibc), 'linux-musl =~ linux-uclibc')
+    assert(!(x86_linux === x86_linux_musl), 'linux =~ linux-musl')
+    assert(!(x86_linux_musl === x86_linux), 'linux-musl =~ linux')
+    assert(!(x86_linux === x86_linux_uclibc), 'linux =~ linux-uclibc')
+    assert(!(x86_linux_uclibc === x86_linux), 'linux-uclibc =~ linux')
+  end
+
   def test_equals3_cpu_arm
     arm   = Gem::Platform.new 'arm-linux'
     armv5 = Gem::Platform.new 'armv5-linux'