Merge RubyGems-3.3.19 and Bundler-2.3.19

lib/bundler.rb

@@ -53,6 +53,7 @@ module Bundler
   autoload :GemHelpers,             File.expand_path("bundler/gem_helpers", __dir__)
   autoload :GemVersionPromoter,     File.expand_path("bundler/gem_version_promoter", __dir__)
   autoload :Graph,                  File.expand_path("bundler/graph", __dir__)
+  autoload :IncompleteSpecification, File.expand_path("bundler/incomplete_specification", __dir__)
   autoload :Index,                  File.expand_path("bundler/index", __dir__)
   autoload :Injector,               File.expand_path("bundler/injector", __dir__)
   autoload :Installer,              File.expand_path("bundler/installer", __dir__)

lib/bundler/cli/common.rb

@@ -15,6 +15,7 @@ module Bundler
     end
 
     def self.output_fund_metadata_summary
+      return if Bundler.settings["ignore_funding_requests"]
       definition = Bundler.definition
       current_dependencies = definition.requested_dependencies
       current_specs = definition.specs

lib/bundler/definition.rb

@@ -138,13 +138,13 @@ module Bundler
         @unlock[:gems] ||= @dependencies.map(&:name)
       else
         eager_unlock = expand_dependencies(@unlock[:gems] || [], true)
-        @unlock[:gems] = @locked_specs.for(eager_unlock, false, false).map(&:name)
+        @unlock[:gems] = @locked_specs.for(eager_unlock, false, platforms).map(&:name)
       end
 
       @dependency_changes = converge_dependencies
       @local_changes = converge_locals
 
-      @locked_specs_incomplete_for_platform = !@locked_specs.for(requested_dependencies & expand_dependencies(locked_dependencies), true, true)
+      @reresolve = nil
 
       @requires = compute_requires
     end
@@ -279,11 +279,8 @@ module Bundler
           end
         end
       else
-        last_resolve = converge_locked_specs
-        # 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, true)
+        @reresolve = reresolve
-        Resolver.resolve(expanded_dependencies, source_requirements, last_resolve, gem_version_promoter, additional_base_requirements_for_resolve, platforms)
       end
     end
 
@@ -468,7 +465,7 @@ module Bundler
     private :sources
 
     def nothing_changed?
-      !@source_changes && !@dependency_changes && !@new_platform && !@path_changes && !@local_changes && !@locked_specs_incomplete_for_platform
+      !@source_changes && !@dependency_changes && !@new_platform && !@path_changes && !@local_changes
     end
 
     def unlocking?
@@ -477,8 +474,14 @@ module Bundler
 
     private
 
+    def reresolve
+      last_resolve = converge_locked_specs
+      expanded_dependencies = expand_dependencies(dependencies + metadata_dependencies, true)
+      Resolver.resolve(expanded_dependencies, source_requirements, last_resolve, gem_version_promoter, additional_base_requirements_for_resolve, platforms)
+    end
+
     def filter_specs(specs, deps)
-      SpecSet.new(specs).for(expand_dependencies(deps, true), false, false)
+      SpecSet.new(specs).for(expand_dependencies(deps, true), false, platforms)
     end
 
     def materialize(dependencies)
@@ -495,7 +498,22 @@ module Bundler
                              "removed in order to install."
         end
 
-        raise GemNotFound, "Could not find #{missing_specs.map(&:full_name).join(", ")} in any of the sources"
+        missing_specs_list = missing_specs.group_by(&:source).map do |source, missing_specs_for_source|
+          "#{missing_specs_for_source.map(&:full_name).join(", ")} in #{source}"
+        end
+
+        raise GemNotFound, "Could not find #{missing_specs_list.join(" nor ")}"
+      end
+
+      if @reresolve.nil?
+        incomplete_specs = specs.incomplete_specs
+
+        if incomplete_specs.any?
+          Bundler.ui.debug("The lockfile does not have all gems needed for the current platform though, Bundler will still re-resolve dependencies")
+          @unlock[:gems].concat(incomplete_specs.map(&:name))
+          @resolve = reresolve
+          specs = resolve.materialize(dependencies)
+        end
       end
 
       unless specs["bundler"].any?
@@ -545,7 +563,6 @@ module Bundler
         [@new_platform, "you added a new platform to your gemfile"],
         [@path_changes, "the gemspecs for path gems changed"],
         [@local_changes, "the gemspecs for git local gems changed"],
-        [@locked_specs_incomplete_for_platform, "the lockfile does not have all gems needed for the current platform"],
       ].select(&:first).map(&:last).join(", ")
     end
 
@@ -721,7 +738,7 @@ module Bundler
             # if we won't need the source (according to the lockfile),
             # don't error if the path/git source isn't available
             next if specs.
-                    for(requested_dependencies, false, true).
+                    for(requested_dependencies, false).
                     none? {|locked_spec| locked_spec.source == s.source }
 
             raise
@@ -789,7 +806,9 @@ module Bundler
     end
 
     def requested_groups
-      groups - Bundler.settings[:without] - @optional_groups + Bundler.settings[:with]
+      values = groups - Bundler.settings[:without] - @optional_groups + Bundler.settings[:with]
+      values &= Bundler.settings[:only] unless Bundler.settings[:only].empty?
+      values
     end
 
     def lockfiles_equal?(current, proposed, preserve_unknown_sections)

lib/bundler/dsl.rb

@@ -465,12 +465,12 @@ module Bundler
 
     def multiple_global_source_warning
       if Bundler.feature_flag.bundler_3_mode?
-        msg = "This Gemfile contains multiple primary sources. " \
+        msg = "This Gemfile contains multiple global sources. " \
           "Each source after the first must include a block to indicate which gems " \
           "should come from that source"
         raise GemfileEvalError, msg
       else
-        Bundler::SharedHelpers.major_deprecation 2, "Your Gemfile contains multiple primary sources. " \
+        Bundler::SharedHelpers.major_deprecation 2, "Your Gemfile contains multiple global sources. " \
           "Using `source` more than once without a block is a security risk, and " \
           "may result in installing unexpected gems. To resolve this warning, use " \
           "a block to indicate which gems should come from the secondary source."

lib/bundler/index.rb

@@ -56,17 +56,17 @@ module Bundler
 
     # Search this index's specs, and any source indexes that this index knows
     # about, returning all of the results.
-    def search(query, base = nil)
+    def search(query)
-      sort_specs(unsorted_search(query, base))
+      sort_specs(unsorted_search(query))
     end
 
-    def unsorted_search(query, base)
+    def unsorted_search(query)
-      results = local_search(query, base)
+      results = local_search(query)
 
       seen = results.map(&:full_name).uniq unless @sources.empty?
 
       @sources.each do |source|
-        source.unsorted_search(query, base).each do |spec|
+        source.unsorted_search(query).each do |spec|
           next if seen.include?(spec.full_name)
 
           seen << spec.full_name
@@ -89,12 +89,12 @@ module Bundler
       self.class.sort_specs(specs)
     end
 
-    def local_search(query, base = nil)
+    def local_search(query)
       case query
       when Gem::Specification, RemoteSpecification, LazySpecification, EndpointSpecification then search_by_spec(query)
       when String then specs_by_name(query)
-      when Gem::Dependency then search_by_dependency(query, base)
+      when Gem::Dependency then search_by_dependency(query)
-      when DepProxy then search_by_dependency(query.dep, base)
+      when DepProxy then search_by_dependency(query.dep)
       else
         raise "You can't search for a #{query.inspect}."
       end
@@ -185,11 +185,9 @@ module Bundler
       @specs[name].values
     end
 
-    def search_by_dependency(dependency, base = nil)
+    def search_by_dependency(dependency)
-      @cache[base || false] ||= {}
+      @cache[dependency] ||= begin
-      @cache[base || false][dependency] ||= begin
         specs = specs_by_name(dependency.name)
-        specs += base if base
         found = specs.select do |spec|
           next true if spec.source.is_a?(Source::Gemspec)
           dependency.matches_spec?(spec)

lib/bundler/lazy_specification.rb

@@ -19,7 +19,7 @@ module Bundler
     end
 
     def full_name
-      if platform == Gem::Platform::RUBY || platform.nil?
+      if platform == Gem::Platform::RUBY
         "#{@name}-#{@version}"
       else
         "#{@name}-#{@version}-#{platform}"
@@ -61,7 +61,7 @@ module Bundler
     def to_lock
       out = String.new
 
-      if platform == Gem::Platform::RUBY || platform.nil?
+      if platform == Gem::Platform::RUBY
         out << "    #{name} (#{version})\n"
       else
         out << "    #{name} (#{version}-#{platform})\n"
@@ -75,7 +75,17 @@ module Bundler
       out
     end
 
-    def __materialize__
+    def materialize_for_installation
+      __materialize__(ruby_platform_materializes_to_ruby_platform? ? platform : Bundler.local_platform)
+    end
+
+    def materialize_for_resolution
+      return self unless Gem::Platform.match_spec?(self)
+
+      __materialize__(platform)
+    end
+
+    def __materialize__(platform)
       @specification = if source.is_a?(Source::Gemspec) && source.gemspec.name == name
         source.gemspec.tap {|s| s.source = source }
       else
@@ -84,10 +94,9 @@ module Bundler
         else
           ruby_platform_materializes_to_ruby_platform? ? self : Dependency.new(name, version)
         end
-        platform_object = ruby_platform_materializes_to_ruby_platform? ? Gem::Platform.new(platform) : Gem::Platform.local
         candidates = source.specs.search(search_object)
         same_platform_candidates = candidates.select do |spec|
-          MatchPlatform.platforms_match?(spec.platform, platform_object)
+          MatchPlatform.platforms_match?(spec.platform, platform)
         end
         installable_candidates = same_platform_candidates.select do |spec|
           spec.is_a?(StubSpecification) ||
@@ -105,7 +114,7 @@ module Bundler
     end
 
     def to_s
-      @__to_s ||= if platform == Gem::Platform::RUBY || platform.nil?
+      @__to_s ||= if platform == Gem::Platform::RUBY
         "#{name} (#{version})"
       else
         "#{name} (#{version}-#{platform})"

lib/bundler/man/bundle-add.1

@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-ADD" "1" "June 2022" "" ""
+.TH "BUNDLE\-ADD" "1" "July 2022" "" ""
 .
 .SH "NAME"
 \fBbundle\-add\fR \- Add gem to the Gemfile and run bundle install

lib/bundler/man/bundle-binstubs.1

@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-BINSTUBS" "1" "June 2022" "" ""
+.TH "BUNDLE\-BINSTUBS" "1" "July 2022" "" ""
 .
 .SH "NAME"
 \fBbundle\-binstubs\fR \- Install the binstubs of the listed gems

lib/bundler/man/bundle-cache.1

@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-CACHE" "1" "June 2022" "" ""
+.TH "BUNDLE\-CACHE" "1" "July 2022" "" ""
 .
 .SH "NAME"
 \fBbundle\-cache\fR \- Package your needed \fB\.gem\fR files into your application

lib/bundler/man/bundle-check.1

@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-CHECK" "1" "June 2022" "" ""
+.TH "BUNDLE\-CHECK" "1" "July 2022" "" ""
 .
 .SH "NAME"
 \fBbundle\-check\fR \- Verifies if dependencies are satisfied by installed gems

lib/bundler/man/bundle-clean.1

@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-CLEAN" "1" "June 2022" "" ""
+.TH "BUNDLE\-CLEAN" "1" "July 2022" "" ""
 .
 .SH "NAME"
 \fBbundle\-clean\fR \- Cleans up unused gems in your bundler directory

lib/bundler/man/bundle-config.1

@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-CONFIG" "1" "June 2022" "" ""
+.TH "BUNDLE\-CONFIG" "1" "July 2022" "" ""
 .
 .SH "NAME"
 \fBbundle\-config\fR \- Set bundler configuration options
@@ -74,6 +74,10 @@ Creates a directory (defaults to \fB~/bin\fR) and place any executables from the
 In deployment mode, Bundler will \'roll\-out\' the bundle for \fBproduction\fR use\. Please check carefully if you want to have this option enabled in \fBdevelopment\fR or \fBtest\fR environments\.
 .
 .TP
+\fBonly\fR
+A space\-separated list of groups to install only gems of the specified groups\.
+.
+.TP
 \fBpath\fR
 The location to install the specified gems to\. This defaults to Rubygems\' setting\. Bundler shares this location with Rubygems, \fBgem install \.\.\.\fR will have gem installed there, too\. Therefore, gems installed without a \fB\-\-path \.\.\.\fR setting will show up by calling \fBgem list\fR\. Accordingly, gems installed to other locations will not get listed\.
 .
@@ -205,6 +209,9 @@ The following is a list of all configuration keys and their purpose\. You can le
 \fBglobal_gem_cache\fR (\fBBUNDLE_GLOBAL_GEM_CACHE\fR): Whether Bundler should cache all gems globally, rather than locally to the installing Ruby installation\.
 .
 .IP "\(bu" 4
+\fBignore_funding_requests\fR (\fBBUNDLE_IGNORE_FUNDING_REQUESTS\fR): When set, no funding requests will be printed\.
+.
+.IP "\(bu" 4
 \fBignore_messages\fR (\fBBUNDLE_IGNORE_MESSAGES\fR): When set, no post install messages will be printed\. To silence a single gem, use dot notation like \fBignore_messages\.httparty true\fR\.
 .
 .IP "\(bu" 4
@@ -220,6 +227,9 @@ The following is a list of all configuration keys and their purpose\. You can le
 \fBno_prune\fR (\fBBUNDLE_NO_PRUNE\fR): Whether Bundler should leave outdated gems unpruned when caching\.
 .
 .IP "\(bu" 4
+\fBonly\fR (\fBBUNDLE_ONLY\fR): A space\-separated list of groups to install only gems of the specified groups\.
+.
+.IP "\(bu" 4
 \fBpath\fR (\fBBUNDLE_PATH\fR): The location on disk where all gems in your bundle will be located regardless of \fB$GEM_HOME\fR or \fB$GEM_PATH\fR values\. Bundle gems not found in this location will be installed by \fBbundle install\fR\. Defaults to \fBGem\.dir\fR\. When \-\-deployment is used, defaults to vendor/bundle\.
 .
 .IP "\(bu" 4
@@ -342,13 +352,13 @@ bundle config set \-\-global mirror\.SOURCE_URL MIRROR_URL
 .IP "" 0
 .
 .P
-For example, to use a mirror of rubygems\.org hosted at rubygems\-mirror\.org:
+For example, to use a mirror of https://rubygems\.org hosted at https://example\.org:
 .
 .IP "" 4
 .
 .nf
 
-bundle config set \-\-global mirror\.http://rubygems\.org http://rubygems\-mirror\.org
+bundle config set \-\-global mirror\.https://rubygems\.org https://example\.org
 .
 .fi
 .

lib/bundler/man/bundle-config.1.ronn

@@ -74,6 +74,9 @@ The options that can be configured are:
    `production` use. Please check carefully if you want to have this option
    enabled in `development` or `test` environments.
 
+* `only`:
+   A space-separated list of groups to install only gems of the specified groups.
+
 * `path`:
    The location to install the specified gems to. This defaults to Rubygems'
    setting. Bundler shares this location with Rubygems, `gem install ...` will
@@ -204,6 +207,8 @@ learn more about their operation in [bundle install(1)](bundle-install.1.html).
 * `global_gem_cache` (`BUNDLE_GLOBAL_GEM_CACHE`):
    Whether Bundler should cache all gems globally, rather than locally to the
    installing Ruby installation.
+* `ignore_funding_requests` (`BUNDLE_IGNORE_FUNDING_REQUESTS`):
+   When set, no funding requests will be printed.
 * `ignore_messages` (`BUNDLE_IGNORE_MESSAGES`):
    When set, no post install messages will be printed. To silence a single gem,
    use dot notation like `ignore_messages.httparty true`.
@@ -216,6 +221,8 @@ learn more about their operation in [bundle install(1)](bundle-install.1.html).
    Whether `bundle package` should skip installing gems.
 * `no_prune` (`BUNDLE_NO_PRUNE`):
    Whether Bundler should leave outdated gems unpruned when caching.
+* `only` (`BUNDLE_ONLY`):
+   A space-separated list of groups to install only gems of the specified groups.
 * `path` (`BUNDLE_PATH`):
    The location on disk where all gems in your bundle will be located regardless
    of `$GEM_HOME` or `$GEM_PATH` values. Bundle gems not found in this location
@@ -321,9 +328,9 @@ mirror to fetch gems.
 
     bundle config set --global mirror.SOURCE_URL MIRROR_URL
 
-For example, to use a mirror of rubygems.org hosted at rubygems-mirror.org:
+For example, to use a mirror of https://rubygems.org hosted at https://example.org:
 
-    bundle config set --global mirror.http://rubygems.org http://rubygems-mirror.org
+    bundle config set --global mirror.https://rubygems.org https://example.org
 
 Each mirror also provides a fallback timeout setting. If the mirror does not
 respond within the fallback timeout, Bundler will try to use the original

lib/bundler/man/bundle-doctor.1

@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-DOCTOR" "1" "June 2022" "" ""
+.TH "BUNDLE\-DOCTOR" "1" "July 2022" "" ""
 .
 .SH "NAME"
 \fBbundle\-doctor\fR \- Checks the bundle for common problems

lib/bundler/man/bundle-exec.1

@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-EXEC" "1" "June 2022" "" ""
+.TH "BUNDLE\-EXEC" "1" "July 2022" "" ""
 .
 .SH "NAME"
 \fBbundle\-exec\fR \- Execute a command in the context of the bundle
@@ -155,7 +155,7 @@ You can find a list of all the gems containing gem plugins by running
 .
 .nf
 
-ruby \-rrubygems \-e "puts Gem\.find_files(\'rubygems_plugin\.rb\')"
+ruby \-e "puts Gem\.find_files(\'rubygems_plugin\.rb\')"
 .
 .fi
 .

lib/bundler/man/bundle-exec.1.ronn

@@ -145,7 +145,7 @@ their plugins.
 You can find a list of all the gems containing gem plugins
 by running
 
-    ruby -rrubygems -e "puts Gem.find_files('rubygems_plugin.rb')"
+    ruby -e "puts Gem.find_files('rubygems_plugin.rb')"
 
 At the very least, you should remove all but the newest
 version of each gem plugin, and also remove all gem plugins

lib/bundler/man/bundle-gem.1

@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-GEM" "1" "June 2022" "" ""
+.TH "BUNDLE\-GEM" "1" "July 2022" "" ""
 .
 .SH "NAME"
 \fBbundle\-gem\fR \- Generate a project skeleton for creating a rubygem

lib/bundler/man/bundle-info.1

@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-INFO" "1" "June 2022" "" ""
+.TH "BUNDLE\-INFO" "1" "July 2022" "" ""
 .
 .SH "NAME"
 \fBbundle\-info\fR \- Show information for the given gem in your bundle

lib/bundler/man/bundle-init.1

@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-INIT" "1" "June 2022" "" ""
+.TH "BUNDLE\-INIT" "1" "July 2022" "" ""
 .
 .SH "NAME"
 \fBbundle\-init\fR \- Generates a Gemfile into the current working directory

lib/bundler/man/bundle-inject.1

@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-INJECT" "1" "June 2022" "" ""
+.TH "BUNDLE\-INJECT" "1" "July 2022" "" ""
 .
 .SH "NAME"
 \fBbundle\-inject\fR \- Add named gem(s) with version requirements to Gemfile
@@ -30,4 +30,7 @@ bundle inject \'rack\' \'> 0\'
 .IP "" 0
 .
 .P
-This will inject the \'rack\' gem with a version greater than 0 in your [\fBGemfile(5)\fR][Gemfile(5)] and Gemfile\.lock
+This will inject the \'rack\' gem with a version greater than 0 in your [\fBGemfile(5)\fR][Gemfile(5)] and Gemfile\.lock\.
+.
+.P
+The \fBbundle inject\fR command was deprecated in Bundler 2\.1 and will be removed in Bundler 3\.0\.

lib/bundler/man/bundle-inject.1.ronn

@@ -19,4 +19,6 @@ Example:
     bundle inject 'rack' '> 0'
 
 This will inject the 'rack' gem with a version greater than 0 in your
-[`Gemfile(5)`][Gemfile(5)] and Gemfile.lock
+[`Gemfile(5)`][Gemfile(5)] and Gemfile.lock.
+
+The `bundle inject` command was deprecated in Bundler 2.1 and will be removed in Bundler 3.0.

lib/bundler/man/bundle-install.1

@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-INSTALL" "1" "June 2022" "" ""
+.TH "BUNDLE\-INSTALL" "1" "July 2022" "" ""
 .
 .SH "NAME"
 \fBbundle\-install\fR \- Install the dependencies specified in your Gemfile

lib/bundler/man/bundle-list.1

@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-LIST" "1" "June 2022" "" ""
+.TH "BUNDLE\-LIST" "1" "July 2022" "" ""
 .
 .SH "NAME"
 \fBbundle\-list\fR \- List all the gems in the bundle

lib/bundler/man/bundle-lock.1

@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-LOCK" "1" "June 2022" "" ""
+.TH "BUNDLE\-LOCK" "1" "July 2022" "" ""
 .
 .SH "NAME"
 \fBbundle\-lock\fR \- Creates / Updates a lockfile without installing

lib/bundler/man/bundle-open.1

@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-OPEN" "1" "June 2022" "" ""
+.TH "BUNDLE\-OPEN" "1" "July 2022" "" ""
 .
 .SH "NAME"
 \fBbundle\-open\fR \- Opens the source directory for a gem in your bundle

lib/bundler/man/bundle-outdated.1

@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-OUTDATED" "1" "June 2022" "" ""
+.TH "BUNDLE\-OUTDATED" "1" "July 2022" "" ""
 .
 .SH "NAME"
 \fBbundle\-outdated\fR \- List installed gems with newer versions available

lib/bundler/man/bundle-platform.1

@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-PLATFORM" "1" "June 2022" "" ""
+.TH "BUNDLE\-PLATFORM" "1" "July 2022" "" ""
 .
 .SH "NAME"
 \fBbundle\-platform\fR \- Displays platform compatibility information

lib/bundler/man/bundle-pristine.1

@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-PRISTINE" "1" "June 2022" "" ""
+.TH "BUNDLE\-PRISTINE" "1" "July 2022" "" ""
 .
 .SH "NAME"
 \fBbundle\-pristine\fR \- Restores installed gems to their pristine condition

lib/bundler/man/bundle-remove.1

@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-REMOVE" "1" "June 2022" "" ""
+.TH "BUNDLE\-REMOVE" "1" "July 2022" "" ""
 .
 .SH "NAME"
 \fBbundle\-remove\fR \- Removes gems from the Gemfile

lib/bundler/man/bundle-show.1

@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-SHOW" "1" "June 2022" "" ""
+.TH "BUNDLE\-SHOW" "1" "July 2022" "" ""
 .
 .SH "NAME"
 \fBbundle\-show\fR \- Shows all the gems in your bundle, or the path to a gem

lib/bundler/man/bundle-update.1

@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-UPDATE" "1" "June 2022" "" ""
+.TH "BUNDLE\-UPDATE" "1" "July 2022" "" ""
 .
 .SH "NAME"
 \fBbundle\-update\fR \- Update your gems to the latest available versions

lib/bundler/man/bundle-viz.1

@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-VIZ" "1" "June 2022" "" ""
+.TH "BUNDLE\-VIZ" "1" "July 2022" "" ""
 .
 .SH "NAME"
 \fBbundle\-viz\fR \- Generates a visual dependency graph for your Gemfile
@@ -15,6 +15,9 @@
 .P
 The associated gems must also be installed via \fBbundle install(1)\fR \fIbundle\-install\.1\.html\fR\.
 .
+.P
+\fBviz\fR command was deprecated in Bundler 2\.2\. Use bundler\-graph plugin \fIhttps://github\.com/rubygems/bundler\-graph\fR instead\.
+.
 .SH "OPTIONS"
 .
 .TP

lib/bundler/man/bundle-viz.1.ronn

@@ -16,6 +16,8 @@ bundle-viz(1) -- Generates a visual dependency graph for your Gemfile
 
 The associated gems must also be installed via [`bundle install(1)`](bundle-install.1.html).
 
+`viz` command was deprecated in Bundler 2.2. Use [bundler-graph plugin](https://github.com/rubygems/bundler-graph) instead.
+
 ## OPTIONS
 
 * `--file`, `-f`:

lib/bundler/man/bundle.1

@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE" "1" "June 2022" "" ""
+.TH "BUNDLE" "1" "July 2022" "" ""
 .
 .SH "NAME"
 \fBbundle\fR \- Ruby Dependency Management
@@ -93,7 +93,7 @@ Open an installed gem in the editor
 Generate a lockfile for your dependencies
 .
 .TP
-\fBbundle viz(1)\fR \fIbundle\-viz\.1\.html\fR
+\fBbundle viz(1)\fR \fIbundle\-viz\.1\.html\fR (deprecated)
 Generate a visual representation of your dependencies
 .
 .TP
@@ -130,7 +130,7 @@ These commands are obsolete and should no longer be used:
 \fBbundle cache(1)\fR
 .
 .IP "\(bu" 4
-\fBbundle show(1)\fR
+\fBbundle inject(1)\fR
 .
 .IP "" 0
 

lib/bundler/man/bundle.1.ronn

@@ -76,7 +76,7 @@ We divide `bundle` subcommands into primary commands and utilities:
 * [`bundle lock(1)`](bundle-lock.1.html):
   Generate a lockfile for your dependencies
 
-* [`bundle viz(1)`](bundle-viz.1.html):
+* [`bundle viz(1)`](bundle-viz.1.html) (deprecated):
   Generate a visual representation of your dependencies
 
 * [`bundle init(1)`](bundle-init.1.html):
@@ -108,4 +108,4 @@ and execute it, passing down any extra arguments to it.
 These commands are obsolete and should no longer be used:
 
 * `bundle cache(1)`
-* `bundle show(1)`
+* `bundle inject(1)`

lib/bundler/man/gemfile.5

@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "GEMFILE" "5" "June 2022" "" ""
+.TH "GEMFILE" "5" "July 2022" "" ""
 .
 .SH "NAME"
 \fBGemfile\fR \- A format for describing gem dependencies for Ruby programs
@@ -15,8 +15,8 @@ Place the \fBGemfile\fR in the root of the directory containing the associated c
 .SH "SYNTAX"
 A \fBGemfile\fR is evaluated as Ruby code, in a context which makes available a number of methods used to describe the gem requirements\.
 .
-.SH "GLOBAL SOURCES"
+.SH "GLOBAL SOURCE"
-At the top of the \fBGemfile\fR, add a line for the \fBRubygems\fR source that contains the gems listed in the \fBGemfile\fR\.
+At the top of the \fBGemfile\fR, add a single line for the \fBRubyGems\fR source that contains the gems listed in the \fBGemfile\fR\.
 .
 .IP "" 4
 .
@@ -29,10 +29,16 @@ source "https://rubygems\.org"
 .IP "" 0
 .
 .P
-It is possible, but not recommended as of Bundler 1\.7, to add multiple global \fBsource\fR lines\. Each of these \fBsource\fRs \fBMUST\fR be a valid Rubygems repository\.
+You can add only one global source\. In Bundler 1\.13, adding multiple global sources was deprecated\. The \fBsource\fR \fBMUST\fR be a valid RubyGems repository\.
 .
 .P
-Sources are checked for gems following the heuristics described in \fISOURCE PRIORITY\fR\. If a gem is found in more than one global source, Bundler will print a warning after installing the gem indicating which source was used, and listing the other sources where the gem is available\. A specific source can be selected for gems that need to use a non\-standard repository, suppressing this warning, by using the \fI\fB:source\fR option\fR or a \fI\fBsource\fR block\fR\.
+To use more than one source of RubyGems, you should use \fI\fBsource\fR block\fR\.
+.
+.P
+A source is checked for gems following the heuristics described in \fISOURCE PRIORITY\fR\.
+.
+.P
+\fBNote about a behavior of the feature deprecated in Bundler 1\.13\fR: If a gem is found in more than one global source, Bundler will print a warning after installing the gem indicating which source was used, and listing the other sources where the gem is available\. A specific source can be selected for gems that need to use a non\-standard repository, suppressing this warning, by using the \fI\fB:source\fR option\fR or \fBsource\fR block\.
 .
 .SS "CREDENTIALS"
 Some gem sources require a username and password\. Use bundle config(1) \fIbundle\-config\.1\.html\fR to set the username and password for any of the sources that need it\. The command must be run once on each computer that will install the Gemfile, but this keeps the credentials from being stored in plain text in version control\.
@@ -356,7 +362,7 @@ The platform specific variant does not yet support a newer ruby (and thus has a
 .IP "" 0
 .
 .SS "SOURCE"
-You can select an alternate Rubygems repository for a gem using the \':source\' option\.
+You can select an alternate RubyGems repository for a gem using the \':source\' option\.
 .
 .IP "" 4
 .
@@ -369,13 +375,13 @@ gem "some_internal_gem", source: "https://gems\.example\.com"
 .IP "" 0
 .
 .P
-This forces the gem to be loaded from this source and ignores any global sources declared at the top level of the file\. If the gem does not exist in this source, it will not be installed\.
+This forces the gem to be loaded from this source and ignores the global source declared at the top level of the file\. If the gem does not exist in this source, it will not be installed\.
 .
 .P
-Bundler will search for child dependencies of this gem by first looking in the source selected for the parent, but if they are not found there, it will fall back on global sources using the ordering described in \fISOURCE PRIORITY\fR\.
+Bundler will search for child dependencies of this gem by first looking in the source selected for the parent, but if they are not found there, it will fall back on the global source\.
 .
 .P
-Selecting a specific source repository this way also suppresses the ambiguous gem warning described above in \fIGLOBAL SOURCES (#source)\fR\.
+\fBNote about a behavior of the feature deprecated in Bundler 1\.13\fR: Selecting a specific source repository this way also suppresses the ambiguous gem warning described above in \fIGLOBAL SOURCE\fR\.
 .
 .P
 Using the \fB:source\fR option for an individual gem will also make that source available as a possible global source for any other gems which do not specify explicit sources\. Thus, when adding gems with explicit sources, it is recommended that you also ensure all other gems in the Gemfile are using explicit sources\.
@@ -730,7 +736,7 @@ The source explicitly attached to the gem (using \fB:source\fR, \fB:path\fR, or
 For implicit gems (dependencies of explicit gems), any source, git, or path repository declared on the parent\. This results in bundler prioritizing the ActiveSupport gem from the Rails git repository over ones from \fBrubygems\.org\fR
 .
 .IP "3." 4
-The sources specified via global \fBsource\fR lines, searching each source in your \fBGemfile\fR from last added to first added\.
+If neither of the above conditions are met, the global source will be used\. If multiple global sources are specified, they will be prioritized from last to first, but this is deprecated since Bundler 1\.13, so Bundler prints a warning and will abort with an error in the future\.
 .
 .IP "" 0
 

lib/bundler/man/gemfile.5.ronn

@@ -15,23 +15,28 @@ directory as the `Rakefile`.
 A `Gemfile` is evaluated as Ruby code, in a context which makes available
 a number of methods used to describe the gem requirements.
 
-## GLOBAL SOURCES
+## GLOBAL SOURCE
 
-At the top of the `Gemfile`, add a line for the `Rubygems` source that contains
+At the top of the `Gemfile`, add a single line for the `RubyGems` source that
-the gems listed in the `Gemfile`.
+contains the gems listed in the `Gemfile`.
 
     source "https://rubygems.org"
 
-It is possible, but not recommended as of Bundler 1.7, to add multiple global
+You can add only one global source. In Bundler 1.13, adding multiple global
-`source` lines. Each of these `source`s `MUST` be a valid Rubygems repository.
+sources was deprecated. The `source` `MUST` be a valid RubyGems repository.
 
-Sources are checked for gems following the heuristics described in
+To use more than one source of RubyGems, you should use [`source` block
-[SOURCE PRIORITY][]. If a gem is found in more than one global source, Bundler
+](#BLOCK-FORM-OF-SOURCE-GIT-PATH-GROUP-and-PLATFORMS).
+
+A source is checked for gems following the heuristics described in
+[SOURCE PRIORITY][].
+
+**Note about a behavior of the feature deprecated in Bundler 1.13**:
+If a gem is found in more than one global source, Bundler
 will print a warning after installing the gem indicating which source was used,
 and listing the other sources where the gem is available. A specific source can
 be selected for gems that need to use a non-standard repository, suppressing
-this warning, by using the [`:source` option](#SOURCE) or a
+this warning, by using the [`:source` option](#SOURCE) or `source` block.
-[`source` block](#BLOCK-FORM-OF-SOURCE-GIT-PATH-GROUP-and-PLATFORMS).
 
 ### CREDENTIALS
 
@@ -247,22 +252,22 @@ This can be handy (assuming the pure ruby variant works fine) when:
 
 ### SOURCE
 
-You can select an alternate Rubygems repository for a gem using the ':source'
+You can select an alternate RubyGems repository for a gem using the ':source'
 option.
 
     gem "some_internal_gem", source: "https://gems.example.com"
 
-This forces the gem to be loaded from this source and ignores any global sources
+This forces the gem to be loaded from this source and ignores the global source
 declared at the top level of the file. If the gem does not exist in this source,
 it will not be installed.
 
 Bundler will search for child dependencies of this gem by first looking in the
 source selected for the parent, but if they are not found there, it will fall
-back on global sources using the ordering described in [SOURCE PRIORITY][].
+back on the global source.
 
+**Note about a behavior of the feature deprecated in Bundler 1.13**:
 Selecting a specific source repository this way also suppresses the ambiguous
-gem warning described above in
+gem warning described above in [GLOBAL SOURCE](#GLOBAL-SOURCE).
-[GLOBAL SOURCES (#source)](#GLOBAL-SOURCES).
 
 Using the `:source` option for an individual gem will also make that source
 available as a possible global source for any other gems which do not specify
@@ -535,5 +540,7 @@ bundler uses the following priority order:
      repository declared on the parent. This results in bundler prioritizing the
      ActiveSupport gem from the Rails git repository over ones from
      `rubygems.org`
-  3. The sources specified via global `source` lines, searching each source in
+  3. If neither of the above conditions are met, the global source will be used.
-     your `Gemfile` from last added to first added.
+     If multiple global sources are specified, they will be prioritized from
+     last to first, but this is deprecated since Bundler 1.13, so Bundler prints
+     a warning and will abort with an error in the future.

lib/bundler/remote_specification.rb

@@ -16,7 +16,8 @@ module Bundler
     def initialize(name, version, platform, spec_fetcher)
       @name         = name
       @version      = Gem::Version.create version
-      @platform     = platform
+      @original_platform = platform || Gem::Platform::RUBY
+      @platform     = Gem::Platform.new(platform)
       @spec_fetcher = spec_fetcher
       @dependencies = nil
     end
@@ -35,10 +36,10 @@ module Bundler
     end
 
     def full_name
-      if platform == Gem::Platform::RUBY || platform.nil?
+      if @original_platform == Gem::Platform::RUBY
         "#{@name}-#{@version}"
       else
-        "#{@name}-#{@version}-#{platform}"
+        "#{@name}-#{@version}-#{@original_platform}"
       end
     end
 
@@ -105,7 +106,7 @@ module Bundler
     end
 
     def _remote_specification
-      @_remote_specification ||= @spec_fetcher.fetch_spec([@name, @version, @platform])
+      @_remote_specification ||= @spec_fetcher.fetch_spec([@name, @version, @original_platform])
       @_remote_specification || raise(GemspecError, "Gemspec data for #{full_name} was" \
         " missing from the server! Try installing with `--full-index` as a workaround.")
     end

lib/bundler/resolver.rb

@@ -22,17 +22,16 @@ module Bundler
       metadata_requirements, regular_requirements = requirements.partition {|dep| dep.name.end_with?("\0") }
       resolver = new(source_requirements, base, gem_version_promoter, additional_base_requirements, platforms, metadata_requirements)
       result = resolver.start(requirements)
-      SpecSet.new(SpecSet.new(result).for(regular_requirements))
+      SpecSet.new(SpecSet.new(result).for(regular_requirements, false, platforms))
     end
 
     def initialize(source_requirements, base, gem_version_promoter, additional_base_requirements, platforms, metadata_requirements)
       @source_requirements = source_requirements
       @metadata_requirements = metadata_requirements
-      @base = base
       @resolver = Molinillo::Resolver.new(self, self)
       @search_for = {}
       @base_dg = Molinillo::DependencyGraph.new
-      @base.each do |ls|
+      @base = base.materialized_for_resolution do |ls|
         dep = Dependency.new(ls.name, ls.version)
         @base_dg.add_vertex(ls.name, DepProxy.get_proxy(dep, ls.platform), true)
       end
@@ -111,7 +110,7 @@ module Bundler
       dependency = dependency_proxy.dep
       name = dependency.name
       @search_for[dependency_proxy] ||= begin
-        results = results_for(dependency, @base[name])
+        results = results_for(dependency) + @base[name].select {|spec| requirement_satisfied_by?(dependency, nil, spec) }
 
         if vertex = @base_dg.vertex_named(name)
           locked_requirement = vertex.payload.requirement
@@ -176,8 +175,8 @@ module Bundler
       @source_requirements[name] || @source_requirements[:default]
     end
 
-    def results_for(dependency, base)
+    def results_for(dependency)
-      index_for(dependency).search(dependency, base)
+      index_for(dependency).search(dependency)
     end
 
     def name_for(dependency)

lib/bundler/rubygems_gem_installer.rb

@@ -25,7 +25,7 @@ module Bundler
 
       extract_files
 
-      build_extensions
+      build_extensions if spec.extensions.any?
       write_build_info_file
       run_post_build_hooks
 
@@ -66,29 +66,29 @@ module Bundler
 
     def build_extensions
       extension_cache_path = options[:bundler_extension_cache_path]
-      unless extension_cache_path && extension_dir = spec.extension_dir
+      extension_dir = spec.extension_dir
-        require "shellwords" unless Bundler.rubygems.provides?(">= 3.2.25")
+      unless extension_cache_path && extension_dir
+        prepare_extension_build(extension_dir)
         return super
       end
 
-      extension_dir = Pathname.new(extension_dir)
       build_complete = SharedHelpers.filesystem_access(extension_cache_path.join("gem.build_complete"), :read, &:file?)
       if build_complete && !options[:force]
-        SharedHelpers.filesystem_access(extension_dir.parent, &:mkpath)
+        SharedHelpers.filesystem_access(File.dirname(extension_dir)) do |p|
+          FileUtils.mkpath p
+        end
         SharedHelpers.filesystem_access(extension_cache_path) do
-          FileUtils.cp_r extension_cache_path, spec.extension_dir
+          FileUtils.cp_r extension_cache_path, extension_dir
         end
       else
-        require "shellwords" # compensate missing require in rubygems before version 3.2.25
+        prepare_extension_build(extension_dir)
         super
-        if extension_dir.directory? # not made for gems without extensions
         SharedHelpers.filesystem_access(extension_cache_path.parent, &:mkpath)
         SharedHelpers.filesystem_access(extension_cache_path) do
           FileUtils.cp_r extension_dir, extension_cache_path
         end
       end
     end
-    end
 
     def spec
       if Bundler.rubygems.provides?("< 3.3.12") # RubyGems implementation rescues and re-raises errors before 3.3.12 and we don't want that
@@ -100,6 +100,13 @@ module Bundler
 
     private
 
+    def prepare_extension_build(extension_dir)
+      SharedHelpers.filesystem_access(extension_dir, :create) do
+        FileUtils.mkdir_p extension_dir
+      end
+      require "shellwords" unless Bundler.rubygems.provides?(">= 3.2.25")
+    end
+
     def strict_rm_rf(dir)
       Bundler.rm_rf dir
     rescue Errno::ENOTEMPTY => e

lib/bundler/settings.rb

@@ -57,6 +57,7 @@ module Bundler
     ].freeze
 
     ARRAY_KEYS = %w[
+      only
       with
       without
     ].freeze

lib/bundler/spec_set.rb

@@ -11,30 +11,27 @@ module Bundler
       @specs = specs
     end
 
-    def for(dependencies, check = false, match_current_platform = false)
+    def for(dependencies, check = false, platforms = [nil])
-      # dep.name => [list, of, deps]
+      handled = ["bundler"].product(platforms).map {|k| [k, true] }.to_h
-      handled = Hash.new {|h, k| h[k] = [] }
+      deps = dependencies.product(platforms).map {|dep, platform| [dep.name, platform && dep.force_ruby_platform ? Gem::Platform::RUBY : platform] }
-      deps = dependencies.dup
       specs = []
 
       loop do
         break unless dep = deps.shift
-        next if handled[dep.name].any? {|d| match_current_platform || d.__platform == dep.__platform } || dep.name == "bundler"
+        next if handled.key?(dep)
 
-        # use a hash here to ensure constant lookup time in the `any?` call above
+        handled[dep] = true
-        handled[dep.name] << dep
 
-        specs_for_dep = specs_for_dependency(dep, match_current_platform)
+        specs_for_dep = specs_for_dependency(*dep)
         if specs_for_dep.any?
           specs.concat(specs_for_dep)
 
           specs_for_dep.first.dependencies.each do |d|
             next if d.type == :development
-            d = DepProxy.get_proxy(Dependency.new(d.name, d.requirement), dep.__platform) unless match_current_platform
+            deps << [d.name, dep[1]]
-            deps << d
           end
         elsif check
-          return false
+          specs << IncompleteSpecification.new(*dep)
         end
       end
 
@@ -42,9 +39,7 @@ module Bundler
         specs << spec
       end
 
-      specs.uniq! unless match_current_platform
+      specs
-
-      check ? true : specs
     end
 
     def [](key)
@@ -71,12 +66,12 @@ module Bundler
     end
 
     def materialize(deps)
-      materialized = self.for(deps, false, true)
+      materialized = self.for(deps, true).uniq
 
       materialized.map! do |s|
         next s unless s.is_a?(LazySpecification)
         s.source.local!
-        s.__materialize__ || s
+        s.materialize_for_installation || s
       end
       SpecSet.new(materialized)
     end
@@ -89,16 +84,29 @@ module Bundler
         next s unless s.is_a?(LazySpecification)
         s.source.local!
         s.source.remote!
-        spec = s.__materialize__
+        spec = s.materialize_for_installation
         raise GemNotFound, "Could not find #{s.full_name} in any of the sources" unless spec
         spec
       end
     end
 
+    def materialized_for_resolution
+      materialized = @specs.map do |s|
+        spec = s.materialize_for_resolution
+        yield spec if spec
+        spec
+      end.compact
+      SpecSet.new(materialized)
+    end
+
     def missing_specs
       @specs.select {|s| s.is_a?(LazySpecification) }
     end
 
+    def incomplete_specs
+      @specs.select {|s| s.is_a?(IncompleteSpecification) }
+    end
+
     def merge(set)
       arr = sorted.dup
       set.each do |set_spec|
@@ -173,12 +181,12 @@ module Bundler
       @specs.sort_by(&:name).each {|s| yield s }
     end
 
-    def specs_for_dependency(dep, match_current_platform)
+    def specs_for_dependency(name, platform)
-      specs_for_name = lookup[dep.name]
+      specs_for_name = lookup[name]
-      if match_current_platform
+      if platform.nil?
         GemHelpers.select_best_platform_match(specs_for_name.select {|s| Gem::Platform.match_spec?(s) }, Bundler.local_platform)
       else
-        specs_for_name_and_platform = GemHelpers.select_best_platform_match(specs_for_name, dep.force_ruby_platform ? Gem::Platform::RUBY : dep.__platform)
+        specs_for_name_and_platform = GemHelpers.select_best_platform_match(specs_for_name, platform)
         specs_for_name_and_platform.any? ? specs_for_name_and_platform : specs_for_name
       end
     end

lib/bundler/version.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: false
 
 module Bundler
-  VERSION = "2.3.18".freeze
+  VERSION = "2.3.19".freeze
 
   def self.bundler_major_version
     @bundler_major_version ||= VERSION.split(".").first.to_i

lib/rubygems.rb

@@ -5,18 +5,18 @@
 # See LICENSE.txt for permissions.
 #++
 
-require 'rbconfig'
+require "rbconfig"
 
 module Gem
-  VERSION = "3.3.18".freeze
+  VERSION = "3.3.19".freeze
 end
 
 # Must be first since it unloads the prelude from 1.9.2
-require_relative 'rubygems/compatibility'
+require_relative "rubygems/compatibility"
 
-require_relative 'rubygems/defaults'
+require_relative "rubygems/defaults"
-require_relative 'rubygems/deprecate'
+require_relative "rubygems/deprecate"
-require_relative 'rubygems/errors'
+require_relative "rubygems/errors"
 
 ##
 # RubyGems is the Ruby standard for publishing and managing third party
@@ -117,11 +117,11 @@ module Gem
   # Taint support is deprecated in Ruby 2.7.
   # This allows switching ".untaint" to ".tap(&Gem::UNTAINT)",
   # to avoid deprecation warnings in Ruby 2.7.
-  UNTAINT = RUBY_VERSION < '2.7' ? :untaint.to_sym : proc {}
+  UNTAINT = RUBY_VERSION < "2.7" ? :untaint.to_sym : proc {}
 
   # When https://bugs.ruby-lang.org/issues/17259 is available, there is no need to override Kernel#warn
   KERNEL_WARN_IGNORES_INTERNAL_ENTRIES = RUBY_ENGINE == "truffleruby" ||
-      (RUBY_ENGINE == "ruby" && RUBY_VERSION >= '3.0')
+      (RUBY_ENGINE == "ruby" && RUBY_VERSION >= "3.0")
 
   ##
   # An Array of Regexps that match windows Ruby platforms.
@@ -293,14 +293,14 @@ module Gem
   # The mode needed to read a file as straight binary.
 
   def self.binary_mode
-    'rb'
+    "rb"
   end
 
   ##
   # The path where gem executables are to be installed.
 
   def self.bindir(install_dir=Gem.dir)
-    return File.join install_dir, 'bin' unless
+    return File.join install_dir, "bin" unless
       install_dir.to_s == Gem.default_dir.to_s
     Gem.default_bindir
   end
@@ -309,7 +309,7 @@ module Gem
   # The path were rubygems plugins are to be installed.
 
   def self.plugindir(install_dir=Gem.dir)
-    File.join install_dir, 'plugins'
+    File.join install_dir, "plugins"
   end
 
   ##
@@ -353,7 +353,7 @@ module Gem
   # A Zlib::Deflate.deflate wrapper
 
   def self.deflate(data)
-    require 'zlib'
+    require "zlib"
     Zlib::Deflate.deflate data
   end
 
@@ -375,7 +375,7 @@ module Gem
     target = {}
     env.each_pair do |k,v|
       case k
-      when 'GEM_HOME', 'GEM_PATH', 'GEM_SPEC_CACHE'
+      when "GEM_HOME", "GEM_PATH", "GEM_SPEC_CACHE"
         case v
         when nil, String
           target[k] = v
@@ -442,8 +442,6 @@ An Array (#{env.inspect}) was passed in from #{caller[3]}
     old_umask = File.umask
     File.umask old_umask | 002
 
-    require 'fileutils'
-
     options = {}
 
     options[:mode] = mode if mode
@@ -451,6 +449,9 @@ An Array (#{env.inspect}) was passed in from #{caller[3]}
     subdirs.each do |name|
       subdir = File.join dir, name
       next if File.exist? subdir
+
+      require "fileutils"
+
       begin
         FileUtils.mkdir_p subdir, **options
       rescue SystemCallError
@@ -465,7 +466,7 @@ An Array (#{env.inspect}) was passed in from #{caller[3]}
   # distinction as extensions cannot be shared between the two.
 
   def self.extension_api_version # :nodoc:
-    if 'no' == RbConfig::CONFIG['ENABLE_SHARED']
+    if "no" == RbConfig::CONFIG["ENABLE_SHARED"]
       "#{ruby_api_version}-static"
     else
       ruby_api_version
@@ -575,7 +576,7 @@ An Array (#{env.inspect}) was passed in from #{caller[3]}
       return i if path.instance_variable_defined?(:@gem_prelude_index)
     end
 
-    index = $LOAD_PATH.index RbConfig::CONFIG['sitelibdir']
+    index = $LOAD_PATH.index RbConfig::CONFIG["sitelibdir"]
 
     index || 0
   end
@@ -606,10 +607,10 @@ An Array (#{env.inspect}) was passed in from #{caller[3]}
   def self.load_yaml
     return if @yaml_loaded
 
-    require 'psych'
+    require "psych"
-    require_relative 'rubygems/psych_tree'
+    require_relative "rubygems/psych_tree"
 
-    require_relative 'rubygems/safe_yaml'
+    require_relative "rubygems/safe_yaml"
 
     @yaml_loaded = true
   end
@@ -740,9 +741,9 @@ An Array (#{env.inspect}) was passed in from #{caller[3]}
   def self.prefix
     prefix = File.dirname RUBYGEMS_DIR
 
-    if prefix != File.expand_path(RbConfig::CONFIG['sitelibdir']) and
+    if prefix != File.expand_path(RbConfig::CONFIG["sitelibdir"]) and
-       prefix != File.expand_path(RbConfig::CONFIG['libdir']) and
+       prefix != File.expand_path(RbConfig::CONFIG["libdir"]) and
-       'lib' == File.basename(RUBYGEMS_DIR)
+       "lib" == File.basename(RUBYGEMS_DIR)
       prefix
     end
   end
@@ -758,11 +759,11 @@ An Array (#{env.inspect}) was passed in from #{caller[3]}
   # Safely read a file in binary mode on all platforms.
 
   def self.read_binary(path)
-    open_file(path, 'rb+') do |io|
+    open_file(path, "rb+") do |io|
       io.read
     end
   rescue Errno::EACCES, Errno::EROFS
-    open_file(path, 'rb') do |io|
+    open_file(path, "rb") do |io|
       io.read
     end
   end
@@ -770,7 +771,7 @@ An Array (#{env.inspect}) was passed in from #{caller[3]}
   ##
   # Safely write a file in binary mode on all platforms.
   def self.write_binary(path, data)
-    open_file(path, 'wb') do |io|
+    open_file(path, "wb") do |io|
       io.write data
     end
   end
@@ -815,13 +816,13 @@ An Array (#{env.inspect}) was passed in from #{caller[3]}
   # Returns a String containing the API compatibility version of Ruby
 
   def self.ruby_api_version
-    @ruby_api_version ||= RbConfig::CONFIG['ruby_version'].dup
+    @ruby_api_version ||= RbConfig::CONFIG["ruby_version"].dup
   end
 
   def self.env_requirement(gem_name)
     @env_requirements_by_name ||= {}
     @env_requirements_by_name[gem_name] ||= begin
-      req = ENV["GEM_REQUIREMENT_#{gem_name.upcase}"] || '>= 0'.freeze
+      req = ENV["GEM_REQUIREMENT_#{gem_name.upcase}"] || ">= 0".freeze
       Gem::Requirement.create(req)
     end
   end
@@ -844,7 +845,7 @@ An Array (#{env.inspect}) was passed in from #{caller[3]}
   # Returns the latest release version of RubyGems.
 
   def self.latest_rubygems_version
-    latest_version_for('rubygems-update') or
+    latest_version_for("rubygems-update") or
       raise "Can't find 'rubygems-update' in any repo. Check `gem source list`."
   end
 
@@ -939,8 +940,8 @@ An Array (#{env.inspect}) was passed in from #{caller[3]}
   # Suffixes for require-able paths.
 
   def self.suffixes
-    @suffixes ||= ['',
+    @suffixes ||= ["",
-                   '.rb',
+                   ".rb",
                    *%w[DLEXT DLEXT2].map do |key|
                      val = RbConfig::CONFIG[key]
                      next unless val and not val.empty?
@@ -969,7 +970,7 @@ An Array (#{env.inspect}) was passed in from #{caller[3]}
   # Lazily loads DefaultUserInteraction and returns the default UI.
 
   def self.ui
-    require_relative 'rubygems/user_interaction'
+    require_relative "rubygems/user_interaction"
 
     Gem::DefaultUserInteraction.ui
   end
@@ -991,7 +992,7 @@ An Array (#{env.inspect}) was passed in from #{caller[3]}
 
   def self.win_platform?
     if @@win_platform.nil?
-      ruby_platform = RbConfig::CONFIG['host_os']
+      ruby_platform = RbConfig::CONFIG["host_os"]
       @@win_platform = !!WIN_PATTERNS.find {|r| ruby_platform =~ r }
     end
 
@@ -1017,7 +1018,6 @@ An Array (#{env.inspect}) was passed in from #{caller[3]}
 
   def self.load_plugin_files(plugins) # :nodoc:
     plugins.each do |plugin|
-
       # Skip older versions of the GemCutter plugin: Its commands are in
       # RubyGems proper now.
 
@@ -1071,7 +1071,7 @@ An Array (#{env.inspect}) was passed in from #{caller[3]}
   def self.use_gemdeps(path = nil)
     raise_exception = path
 
-    path ||= ENV['RUBYGEMS_GEMDEPS']
+    path ||= ENV["RUBYGEMS_GEMDEPS"]
     return unless path
 
     path = path.dup
@@ -1096,7 +1096,7 @@ An Array (#{env.inspect}) was passed in from #{caller[3]}
     end
 
     ENV["BUNDLE_GEMFILE"] ||= File.expand_path(path)
-    require_relative 'rubygems/user_interaction'
+    require_relative "rubygems/user_interaction"
     require "bundler"
     begin
       Gem::DefaultUserInteraction.use_ui(ui) do
@@ -1293,33 +1293,34 @@ An Array (#{env.inspect}) was passed in from #{caller[3]}
 
   MARSHAL_SPEC_DIR = "quick/Marshal.#{Gem.marshal_version}/".freeze
 
-  autoload :BundlerVersionFinder, File.expand_path('rubygems/bundler_version_finder', __dir__)
+  autoload :BundlerVersionFinder, File.expand_path("rubygems/bundler_version_finder", __dir__)
-  autoload :ConfigFile,         File.expand_path('rubygems/config_file', __dir__)
+  autoload :ConfigFile,         File.expand_path("rubygems/config_file", __dir__)
-  autoload :Dependency,         File.expand_path('rubygems/dependency', __dir__)
+  autoload :Dependency,         File.expand_path("rubygems/dependency", __dir__)
-  autoload :DependencyList,     File.expand_path('rubygems/dependency_list', __dir__)
+  autoload :DependencyList,     File.expand_path("rubygems/dependency_list", __dir__)
-  autoload :Installer,          File.expand_path('rubygems/installer', __dir__)
+  autoload :Installer,          File.expand_path("rubygems/installer", __dir__)
-  autoload :Licenses,           File.expand_path('rubygems/util/licenses', __dir__)
+  autoload :Licenses,           File.expand_path("rubygems/util/licenses", __dir__)
-  autoload :NameTuple,          File.expand_path('rubygems/name_tuple', __dir__)
+  autoload :NameTuple,          File.expand_path("rubygems/name_tuple", __dir__)
-  autoload :PathSupport,        File.expand_path('rubygems/path_support', __dir__)
+  autoload :PathSupport,        File.expand_path("rubygems/path_support", __dir__)
-  autoload :RequestSet,         File.expand_path('rubygems/request_set', __dir__)
+  autoload :RequestSet,         File.expand_path("rubygems/request_set", __dir__)
-  autoload :Resolver,           File.expand_path('rubygems/resolver', __dir__)
+  autoload :Requirement,        File.expand_path("rubygems/requirement", __dir__)
-  autoload :Source,             File.expand_path('rubygems/source', __dir__)
+  autoload :Resolver,           File.expand_path("rubygems/resolver", __dir__)
-  autoload :SourceList,         File.expand_path('rubygems/source_list', __dir__)
+  autoload :Source,             File.expand_path("rubygems/source", __dir__)
-  autoload :SpecFetcher,        File.expand_path('rubygems/spec_fetcher', __dir__)
+  autoload :SourceList,         File.expand_path("rubygems/source_list", __dir__)
-  autoload :SpecificationPolicy, File.expand_path('rubygems/specification_policy', __dir__)
+  autoload :SpecFetcher,        File.expand_path("rubygems/spec_fetcher", __dir__)
-  autoload :Util,               File.expand_path('rubygems/util', __dir__)
+  autoload :SpecificationPolicy, File.expand_path("rubygems/specification_policy", __dir__)
-  autoload :Version,            File.expand_path('rubygems/version', __dir__)
+  autoload :Util,               File.expand_path("rubygems/util", __dir__)
+  autoload :Version,            File.expand_path("rubygems/version", __dir__)
 end
 
-require_relative 'rubygems/exceptions'
+require_relative "rubygems/exceptions"
-require_relative 'rubygems/specification'
+require_relative "rubygems/specification"
 
 # REFACTOR: This should be pulled out into some kind of hacks file.
 begin
   ##
   # Defaults the operating system (or packager) wants to provide for RubyGems.
 
-  require 'rubygems/defaults/operating_system'
+  require "rubygems/defaults/operating_system"
 rescue LoadError
   # Ignored
 rescue StandardError => e
@@ -1344,6 +1345,6 @@ end
 # Loads the default specs.
 Gem::Specification.load_defaults
 
-require_relative 'rubygems/core_ext/kernel_gem'
+require_relative "rubygems/core_ext/kernel_gem"
-require_relative 'rubygems/core_ext/kernel_require'
+require_relative "rubygems/core_ext/kernel_require"
-require_relative 'rubygems/core_ext/kernel_warn'
+require_relative "rubygems/core_ext/kernel_warn"

lib/rubygems/basic_specification.rb

@@ -47,7 +47,7 @@ class Gem::BasicSpecification
   # directory.
 
   def gem_build_complete_path # :nodoc:
-    File.join extension_dir, 'gem.build_complete'
+    File.join extension_dir, "gem.build_complete"
   end
 
   ##
@@ -103,7 +103,7 @@ class Gem::BasicSpecification
 
   def extensions_dir
     Gem.default_ext_dir_for(base_dir) ||
-      File.join(base_dir, 'extensions', Gem::Platform.local.to_s,
+      File.join(base_dir, "extensions", Gem::Platform.local.to_s,
                 Gem.extension_api_version)
   end
 

lib/rubygems/command.rb

@@ -5,9 +5,9 @@
 # See LICENSE.txt for permissions.
 #++
 
-require_relative 'optparse'
+require_relative "optparse"
-require_relative 'requirement'
+require_relative "requirement"
-require_relative 'user_interaction'
+require_relative "user_interaction"
 
 ##
 # Base class for all Gem commands.  When creating a new gem command, define
@@ -76,7 +76,7 @@ class Gem::Command
     when Array
       @extra_args = value
     when String
-      @extra_args = value.split(' ')
+      @extra_args = value.split(" ")
     end
   end
 
@@ -556,7 +556,7 @@ class Gem::Command
   def configure_options(header, option_list)
     return if option_list.nil? or option_list.empty?
 
-    header = header.to_s.empty? ? '' : "#{header} "
+    header = header.to_s.empty? ? "" : "#{header} "
     @parser.separator "  #{header}Options:"
 
     option_list.each do |args, handler|
@@ -565,7 +565,7 @@ class Gem::Command
       end
     end
 
-    @parser.separator ''
+    @parser.separator ""
   end
 
   ##
@@ -578,13 +578,13 @@ class Gem::Command
   # ----------------------------------------------------------------
   # Add the options common to all commands.
 
-  add_common_option('-h', '--help',
+  add_common_option("-h", "--help",
-                    'Get help on this command') do |value, options|
+                    "Get help on this command") do |value, options|
     options[:help] = true
   end
 
-  add_common_option('-V', '--[no-]verbose',
+  add_common_option("-V", "--[no-]verbose",
-                    'Set the verbose level of output') do |value, options|
+                    "Set the verbose level of output") do |value, options|
     # Set us to "really verbose" so the progress meter works
     if Gem.configuration.verbose and value
       Gem.configuration.verbose = 1
@@ -593,7 +593,7 @@ class Gem::Command
     end
   end
 
-  add_common_option('-q', '--quiet', 'Silence command progress meter') do |value, options|
+  add_common_option("-q", "--quiet", "Silence command progress meter") do |value, options|
     Gem.configuration.verbose = false
   end
 
@@ -606,20 +606,20 @@ class Gem::Command
   # commands.  Both options are actually handled before the other
   # options get parsed.
 
-  add_common_option('--config-file FILE',
+  add_common_option("--config-file FILE",
-                    'Use this config file instead of default') do
+                    "Use this config file instead of default") do
   end
 
-  add_common_option('--backtrace',
+  add_common_option("--backtrace",
-                    'Show stack backtrace on errors') do
+                    "Show stack backtrace on errors") do
   end
 
-  add_common_option('--debug',
+  add_common_option("--debug",
-                    'Turn on Ruby debugging') do
+                    "Turn on Ruby debugging") do
   end
 
-  add_common_option('--norc',
+  add_common_option("--norc",
-                    'Avoid loading any .gemrc file') do
+                    "Avoid loading any .gemrc file") do
   end
 
   # :stopdoc:

lib/rubygems/command_manager.rb

@@ -5,9 +5,9 @@
 # See LICENSE.txt for permissions.
 #++
 
-require_relative 'command'
+require_relative "command"
-require_relative 'user_interaction'
+require_relative "user_interaction"
-require_relative 'text'
+require_relative "text"
 
 ##
 # The command manager registers and installs all the individual sub-commands
@@ -73,9 +73,9 @@ class Gem::CommandManager
   ].freeze
 
   ALIAS_COMMANDS = {
-    'i'      => 'install',
+    "i"      => "install",
-    'login'  => 'signin',
+    "login"  => "signin",
-    'logout' => 'signout',
+    "logout" => "signout",
   }.freeze
 
   ##
@@ -104,7 +104,7 @@ class Gem::CommandManager
   # Register all the subcommands supported by the gem command.
 
   def initialize
-    require 'timeout'
+    require "timeout"
     @commands = {}
 
     BUILTIN_COMMANDS.each do |name|
@@ -169,10 +169,10 @@ class Gem::CommandManager
     end
 
     case args.first
-    when '-h', '--help' then
+    when "-h", "--help" then
       say Gem::Command::HELP
       terminate_interaction 0
-    when '-v', '--version' then
+    when "-v", "--version" then
       say Gem::VERSION
       terminate_interaction 0
     when /^-/ then

lib/rubygems/commands/build_command.rb

@@ -1,29 +1,29 @@
 # frozen_string_literal: true
-require_relative '../command'
+require_relative "../command"
-require_relative '../package'
+require_relative "../package"
-require_relative '../version_option'
+require_relative "../version_option"
 
 class Gem::Commands::BuildCommand < Gem::Command
   include Gem::VersionOption
 
   def initialize
-    super 'build', 'Build a gem from a gemspec'
+    super "build", "Build a gem from a gemspec"
 
     add_platform_option
 
-    add_option '--force', 'skip validation of the spec' do |value, options|
+    add_option "--force", "skip validation of the spec" do |value, options|
       options[:force] = true
     end
 
-    add_option '--strict', 'consider warnings as errors when validating the spec' do |value, options|
+    add_option "--strict", "consider warnings as errors when validating the spec" do |value, options|
       options[:strict] = true
     end
 
-    add_option '-o', '--output FILE', 'output gem with the given filename' do |value, options|
+    add_option "-o", "--output FILE", "output gem with the given filename" do |value, options|
       options[:output] = value
     end
 
-    add_option '-C PATH', 'Run as if gem build was started in <PATH> instead of the current working directory.' do |value, options|
+    add_option "-C PATH", "Run as if gem build was started in <PATH> instead of the current working directory." do |value, options|
       options[:build_path] = value
     end
   end

lib/rubygems/commands/cert_command.rb

@@ -1,69 +1,69 @@
 # frozen_string_literal: true
-require_relative '../command'
+require_relative "../command"
-require_relative '../security'
+require_relative "../security"
 
 class Gem::Commands::CertCommand < Gem::Command
   def initialize
-    super 'cert', 'Manage RubyGems certificates and signing settings',
+    super "cert", "Manage RubyGems certificates and signing settings",
           :add => [], :remove => [], :list => [], :build => [], :sign => []
 
-    add_option('-a', '--add CERT',
+    add_option("-a", "--add CERT",
-               'Add a trusted certificate.') do |cert_file, options|
+               "Add a trusted certificate.") do |cert_file, options|
       options[:add] << open_cert(cert_file)
     end
 
-    add_option('-l', '--list [FILTER]',
+    add_option("-l", "--list [FILTER]",
-               'List trusted certificates where the',
+               "List trusted certificates where the",
-               'subject contains FILTER') do |filter, options|
+               "subject contains FILTER") do |filter, options|
-      filter ||= ''
+      filter ||= ""
 
       options[:list] << filter
     end
 
-    add_option('-r', '--remove FILTER',
+    add_option("-r", "--remove FILTER",
-               'Remove trusted certificates where the',
+               "Remove trusted certificates where the",
-               'subject contains FILTER') do |filter, options|
+               "subject contains FILTER") do |filter, options|
       options[:remove] << filter
     end
 
-    add_option('-b', '--build EMAIL_ADDR',
+    add_option("-b", "--build EMAIL_ADDR",
-               'Build private key and self-signed',
+               "Build private key and self-signed",
-               'certificate for EMAIL_ADDR') do |email_address, options|
+               "certificate for EMAIL_ADDR") do |email_address, options|
       options[:build] << email_address
     end
 
-    add_option('-C', '--certificate CERT',
+    add_option("-C", "--certificate CERT",
-               'Signing certificate for --sign') do |cert_file, options|
+               "Signing certificate for --sign") do |cert_file, options|
       options[:issuer_cert] = open_cert(cert_file)
       options[:issuer_cert_file] = cert_file
     end
 
-    add_option('-K', '--private-key KEY',
+    add_option("-K", "--private-key KEY",
-               'Key for --sign or --build') do |key_file, options|
+               "Key for --sign or --build") do |key_file, options|
       options[:key] = open_private_key(key_file)
     end
 
-    add_option('-A', '--key-algorithm ALGORITHM',
+    add_option("-A", "--key-algorithm ALGORITHM",
-               'Select which key algorithm to use for --build') do |algorithm, options|
+               "Select which key algorithm to use for --build") do |algorithm, options|
       options[:key_algorithm] = algorithm
     end
 
-    add_option('-s', '--sign CERT',
+    add_option("-s", "--sign CERT",
-               'Signs CERT with the key from -K',
+               "Signs CERT with the key from -K",
-               'and the certificate from -C') do |cert_file, options|
+               "and the certificate from -C") do |cert_file, options|
       raise Gem::OptionParser::InvalidArgument, "#{cert_file}: does not exist" unless
         File.file? cert_file
 
       options[:sign] << cert_file
     end
 
-    add_option('-d', '--days NUMBER_OF_DAYS',
+    add_option("-d", "--days NUMBER_OF_DAYS",
-               'Days before the certificate expires') do |days, options|
+               "Days before the certificate expires") do |days, options|
       options[:expiration_length_days] = days.to_i
     end
 
-    add_option('-R', '--re-sign',
+    add_option("-R", "--re-sign",
-               'Re-signs the certificate from -C with the key from -K') do |resign, options|
+               "Re-signs the certificate from -C with the key from -K") do |resign, options|
       options[:resign] = resign
     end
   end
@@ -93,7 +93,7 @@ class Gem::Commands::CertCommand < Gem::Command
 
   def open_private_key(key_file)
     check_openssl
-    passphrase = ENV['GEM_PRIVATE_KEY_PASSPHRASE']
+    passphrase = ENV["GEM_PRIVATE_KEY_PASSPHRASE"]
     key = OpenSSL::PKey.read File.read(key_file), passphrase
     raise Gem::OptionParser::InvalidArgument,
       "#{key_file}: private key not found" unless key.private?
@@ -166,10 +166,10 @@ class Gem::Commands::CertCommand < Gem::Command
   def build_key # :nodoc:
     return options[:key] if options[:key]
 
-    passphrase = ask_for_password 'Passphrase for your Private Key:'
+    passphrase = ask_for_password "Passphrase for your Private Key:"
     say "\n"
 
-    passphrase_confirmation = ask_for_password 'Please repeat the passphrase for your Private Key:'
+    passphrase_confirmation = ask_for_password "Please repeat the passphrase for your Private Key:"
     say "\n"
 
     raise Gem::CommandLineError,
@@ -260,7 +260,7 @@ For further reading on signing gems see `ri Gem::Security`.
   def load_default_key
     key_file = File.join Gem.default_key_path
     key = File.read key_file
-    passphrase = ENV['GEM_PRIVATE_KEY_PASSPHRASE']
+    passphrase = ENV["GEM_PRIVATE_KEY_PASSPHRASE"]
     options[:key] = OpenSSL::PKey.read key, passphrase
 
   rescue Errno::ENOENT

lib/rubygems/commands/check_command.rb

@@ -1,44 +1,44 @@
 # frozen_string_literal: true
-require_relative '../command'
+require_relative "../command"
-require_relative '../version_option'
+require_relative "../version_option"
-require_relative '../validator'
+require_relative "../validator"
-require_relative '../doctor'
+require_relative "../doctor"
 
 class Gem::Commands::CheckCommand < Gem::Command
   include Gem::VersionOption
 
   def initialize
-    super 'check', 'Check a gem repository for added or missing files',
+    super "check", "Check a gem repository for added or missing files",
           :alien => true, :doctor => false, :dry_run => false, :gems => true
 
-    add_option('-a', '--[no-]alien',
+    add_option("-a", "--[no-]alien",
                'Report "unmanaged" or rogue files in the',
-               'gem repository') do |value, options|
+               "gem repository") do |value, options|
       options[:alien] = value
     end
 
-    add_option('--[no-]doctor',
+    add_option("--[no-]doctor",
-               'Clean up uninstalled gems and broken',
+               "Clean up uninstalled gems and broken",
-               'specifications') do |value, options|
+               "specifications") do |value, options|
       options[:doctor] = value
     end
 
-    add_option('--[no-]dry-run',
+    add_option("--[no-]dry-run",
-               'Do not remove files, only report what',
+               "Do not remove files, only report what",
-               'would be removed') do |value, options|
+               "would be removed") do |value, options|
       options[:dry_run] = value
     end
 
-    add_option('--[no-]gems',
+    add_option("--[no-]gems",
-               'Check installed gems for problems') do |value, options|
+               "Check installed gems for problems") do |value, options|
       options[:gems] = value
     end
 
-    add_version_option 'check'
+    add_version_option "check"
   end
 
   def check_gems
-    say 'Checking gems...'
+    say "Checking gems..."
     say
     gems = get_all_gem_names rescue []
 
@@ -57,7 +57,7 @@ class Gem::Commands::CheckCommand < Gem::Command
   end
 
   def doctor
-    say 'Checking for files from uninstalled gems...'
+    say "Checking for files from uninstalled gems..."
     say
 
     Gem.path.each do |gem_repo|
@@ -72,11 +72,11 @@ class Gem::Commands::CheckCommand < Gem::Command
   end
 
   def arguments # :nodoc:
-    'GEMNAME       name of gem to check'
+    "GEMNAME       name of gem to check"
   end
 
   def defaults_str # :nodoc:
-    '--gems --alien'
+    "--gems --alien"
   end
 
   def description # :nodoc:

lib/rubygems/commands/cleanup_command.rb

@@ -1,35 +1,35 @@
 # frozen_string_literal: true
-require_relative '../command'
+require_relative "../command"
-require_relative '../dependency_list'
+require_relative "../dependency_list"
-require_relative '../uninstaller'
+require_relative "../uninstaller"
 
 class Gem::Commands::CleanupCommand < Gem::Command
   def initialize
-    super 'cleanup',
+    super "cleanup",
-          'Clean up old versions of installed gems',
+          "Clean up old versions of installed gems",
           :force => false, :install_dir => Gem.dir,
           :check_dev => true
 
-    add_option('-n', '-d', '--dry-run',
+    add_option("-n", "-d", "--dry-run",
-               'Do not uninstall gems') do |value, options|
+               "Do not uninstall gems") do |value, options|
       options[:dryrun] = true
     end
 
-    add_option(:Deprecated, '--dryrun',
+    add_option(:Deprecated, "--dryrun",
-               'Do not uninstall gems') do |value, options|
+               "Do not uninstall gems") do |value, options|
       options[:dryrun] = true
     end
-    deprecate_option('--dryrun', extra_msg: 'Use --dry-run instead')
+    deprecate_option("--dryrun", extra_msg: "Use --dry-run instead")
 
-    add_option('-D', '--[no-]check-development',
+    add_option("-D", "--[no-]check-development",
-               'Check development dependencies while uninstalling',
+               "Check development dependencies while uninstalling",
-               '(default: true)') do |value, options|
+               "(default: true)") do |value, options|
       options[:check_dev] = value
     end
 
-    add_option('--[no-]user-install',
+    add_option("--[no-]user-install",
-               'Cleanup in user\'s home directory instead',
+               "Cleanup in user's home directory instead",
-               'of GEM_HOME.') do |value, options|
+               "of GEM_HOME.") do |value, options|
       options[:user_install] = value
     end
 

lib/rubygems/commands/contents_command.rb

@@ -1,39 +1,39 @@
 # frozen_string_literal: true
-require_relative '../command'
+require_relative "../command"
-require_relative '../version_option'
+require_relative "../version_option"
 
 class Gem::Commands::ContentsCommand < Gem::Command
   include Gem::VersionOption
 
   def initialize
-    super 'contents', 'Display the contents of the installed gems',
+    super "contents", "Display the contents of the installed gems",
           :specdirs => [], :lib_only => false, :prefix => true,
           :show_install_dir => false
 
     add_version_option
 
-    add_option('--all',
+    add_option("--all",
                "Contents for all gems") do |all, options|
       options[:all] = all
     end
 
-    add_option('-s', '--spec-dir a,b,c', Array,
+    add_option("-s", "--spec-dir a,b,c", Array,
                "Search for gems under specific paths") do |spec_dirs, options|
       options[:specdirs] = spec_dirs
     end
 
-    add_option('-l', '--[no-]lib-only',
+    add_option("-l", "--[no-]lib-only",
                "Only return files in the Gem's lib_dirs") do |lib_only, options|
       options[:lib_only] = lib_only
     end
 
-    add_option('--[no-]prefix',
+    add_option("--[no-]prefix",
                "Don't include installed path prefix") do |prefix, options|
       options[:prefix] = prefix
     end
 
-    add_option('--[no-]show-install-dir',
+    add_option("--[no-]show-install-dir",
-               'Show only the gem install dir') do |show, options|
+               "Show only the gem install dir") do |show, options|
       options[:show_install_dir] = show
     end
 
@@ -105,11 +105,11 @@ prefix or only the files that are requireable.
       case file
       when /\A#{spec.bindir}\//
         # $' is POSTMATCH
-        [RbConfig::CONFIG['bindir'], $']
+        [RbConfig::CONFIG["bindir"], $']
       when /\.so\z/
-        [RbConfig::CONFIG['archdir'], file]
+        [RbConfig::CONFIG["archdir"], file]
       else
-        [RbConfig::CONFIG['rubylibdir'], file]
+        [RbConfig::CONFIG["rubylibdir"], file]
       end
     end
   end

lib/rubygems/commands/dependency_command.rb

@@ -1,28 +1,28 @@
 # frozen_string_literal: true
-require_relative '../command'
+require_relative "../command"
-require_relative '../local_remote_options'
+require_relative "../local_remote_options"
-require_relative '../version_option'
+require_relative "../version_option"
 
 class Gem::Commands::DependencyCommand < Gem::Command
   include Gem::LocalRemoteOptions
   include Gem::VersionOption
 
   def initialize
-    super 'dependency',
+    super "dependency",
-          'Show the dependencies of an installed gem',
+          "Show the dependencies of an installed gem",
           :version => Gem::Requirement.default, :domain => :local
 
     add_version_option
     add_platform_option
     add_prerelease_option
 
-    add_option('-R', '--[no-]reverse-dependencies',
+    add_option("-R", "--[no-]reverse-dependencies",
-               'Include reverse dependencies in the output') do
+               "Include reverse dependencies in the output") do
       |value, options|
       options[:reverse_dependencies] = value
     end
 
-    add_option('-p', '--pipe',
+    add_option("-p", "--pipe",
                "Pipe Format (name --version ver)") do |value, options|
       options[:pipe_format] = value
     end
@@ -134,7 +134,7 @@ use with other commands.
 
   def ensure_local_only_reverse_dependencies # :nodoc:
     if options[:reverse_dependencies] and remote? and not local?
-      alert_error 'Only reverse dependencies for local gems are supported.'
+      alert_error "Only reverse dependencies for local gems are supported."
       terminate_interaction 1
     end
   end
@@ -142,7 +142,7 @@ use with other commands.
   def ensure_specs(specs) # :nodoc:
     return unless specs.empty?
 
-    patterns = options[:args].join ','
+    patterns = options[:args].join ","
     say "No gems found matching #{patterns} (#{options[:version]})" if
       Gem.configuration.verbose
 
@@ -151,10 +151,10 @@ use with other commands.
 
   def print_dependencies(spec, level = 0) # :nodoc:
     response = String.new
-    response << '  ' * level + "Gem #{spec.full_name}\n"
+    response << "  " * level + "Gem #{spec.full_name}\n"
     unless spec.dependencies.empty?
       spec.dependencies.sort_by {|dep| dep.name }.each do |dep|
-        response << '  ' * level + "  #{dep}\n"
+        response << "  " * level + "  #{dep}\n"
       end
     end
     response

lib/rubygems/commands/environment_command.rb

@@ -1,9 +1,9 @@
 # frozen_string_literal: true
-require_relative '../command'
+require_relative "../command"
 
 class Gem::Commands::EnvironmentCommand < Gem::Command
   def initialize
-    super 'environment', 'Display information about the RubyGems environment'
+    super "environment", "Display information about the RubyGems environment"
   end
 
   def arguments # :nodoc:
@@ -16,7 +16,7 @@ class Gem::Commands::EnvironmentCommand < Gem::Command
           platform        display the supported gem platforms
           <omitted>       display everything
     EOF
-    return args.gsub(/^\s+/, '')
+    return args.gsub(/^\s+/, "")
   end
 
   def description # :nodoc:
@@ -141,7 +141,7 @@ lib/rubygems/defaults/operating_system.rb
 
     out << "  - GEM CONFIGURATION:\n"
     Gem.configuration.each do |name, value|
-      value = value.gsub(/./, '*') if name == 'gemcutter_key'
+      value = value.gsub(/./, "*") if name == "gemcutter_key"
       out << "     - #{name.inspect} => #{value.inspect}\n"
     end
 
@@ -152,7 +152,7 @@ lib/rubygems/defaults/operating_system.rb
 
     out << "  - SHELL PATH:\n"
 
-    shell_path = ENV['PATH'].split(File::PATH_SEPARATOR)
+    shell_path = ENV["PATH"].split(File::PATH_SEPARATOR)
     add_path out, shell_path
 
     out

lib/rubygems/commands/fetch_command.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
-require_relative '../command'
+require_relative "../command"
-require_relative '../local_remote_options'
+require_relative "../local_remote_options"
-require_relative '../version_option'
+require_relative "../version_option"
 
 class Gem::Commands::FetchCommand < Gem::Command
   include Gem::LocalRemoteOptions
@@ -13,7 +13,7 @@ class Gem::Commands::FetchCommand < Gem::Command
       :version           => Gem::Requirement.default,
     }
 
-    super 'fetch', 'Download a gem and place it in the current directory', defaults
+    super "fetch", "Download a gem and place it in the current directory", defaults
 
     add_bulk_threshold_option
     add_proxy_option
@@ -24,13 +24,13 @@ class Gem::Commands::FetchCommand < Gem::Command
     add_platform_option
     add_prerelease_option
 
-    add_option '--[no-]suggestions', 'Suggest alternates when gems are not found' do |value, options|
+    add_option "--[no-]suggestions", "Suggest alternates when gems are not found" do |value, options|
       options[:suggest_alternate] = value
     end
   end
 
   def arguments # :nodoc:
-    'GEMNAME       name of gem to download'
+    "GEMNAME       name of gem to download"
   end
 
   def defaults_str # :nodoc:

lib/rubygems/commands/generate_index_command.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
-require_relative '../command'
+require_relative "../command"
-require_relative '../indexer'
+require_relative "../indexer"
 
 ##
 # Generates a index files for use as a gem server.
@@ -9,27 +9,27 @@ require_relative '../indexer'
 
 class Gem::Commands::GenerateIndexCommand < Gem::Command
   def initialize
-    super 'generate_index',
+    super "generate_index",
-          'Generates the index files for a gem server directory',
+          "Generates the index files for a gem server directory",
-          :directory => '.', :build_modern => true
+          :directory => ".", :build_modern => true
 
-    add_option '-d', '--directory=DIRNAME',
+    add_option "-d", "--directory=DIRNAME",
-               'repository base dir containing gems subdir' do |dir, options|
+               "repository base dir containing gems subdir" do |dir, options|
       options[:directory] = File.expand_path dir
     end
 
-    add_option '--[no-]modern',
+    add_option "--[no-]modern",
-               'Generate indexes for RubyGems',
+               "Generate indexes for RubyGems",
-               '(always true)' do |value, options|
+               "(always true)" do |value, options|
       options[:build_modern] = value
     end
 
-    deprecate_option('--modern', version: '4.0', extra_msg: 'Modern indexes (specs, latest_specs, and prerelease_specs) are always generated, so this option is not needed.')
+    deprecate_option("--modern", version: "4.0", extra_msg: "Modern indexes (specs, latest_specs, and prerelease_specs) are always generated, so this option is not needed.")
-    deprecate_option('--no-modern', version: '4.0', extra_msg: 'The `--no-modern` option is currently ignored. Modern indexes (specs, latest_specs, and prerelease_specs) are always generated.')
+    deprecate_option("--no-modern", version: "4.0", extra_msg: "The `--no-modern` option is currently ignored. Modern indexes (specs, latest_specs, and prerelease_specs) are always generated.")
 
-    add_option '--update',
+    add_option "--update",
-               'Update modern indexes with gems added',
+               "Update modern indexes with gems added",
-               'since the last update' do |value, options|
+               "since the last update" do |value, options|
       options[:update] = value
     end
   end

lib/rubygems/commands/help_command.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require_relative '../command'
+require_relative "../command"
 
 class Gem::Commands::HelpCommand < Gem::Command
   # :stopdoc:
@@ -280,7 +280,7 @@ platform.
   # :startdoc:
 
   def initialize
-    super 'help', "Provide help on the 'gem' command"
+    super "help", "Provide help on the 'gem' command"
 
     @command_manager = Gem::CommandManager.instance
   end
@@ -326,7 +326,7 @@ platform.
     desc_width = @command_manager.command_names.map {|n| n.size }.max + 4
 
     summary_width = 80 - margin_width - desc_width
-    wrap_indent = ' ' * (margin_width + desc_width)
+    wrap_indent = " " * (margin_width + desc_width)
     format = "#{' ' * margin_width}%-#{desc_width}s%s"
 
     @command_manager.command_names.each do |cmd_name|

lib/rubygems/commands/info_command.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
-require_relative '../command'
+require_relative "../command"
-require_relative '../query_utils'
+require_relative "../query_utils"
 
 class Gem::Commands::InfoCommand < Gem::Command
   include Gem::QueryUtils
@@ -13,7 +13,7 @@ class Gem::Commands::InfoCommand < Gem::Command
 
     add_query_options
 
-    remove_option('-d')
+    remove_option("-d")
 
     defaults[:details] = true
     defaults[:exact] = true

lib/rubygems/commands/install_command.rb

@@ -1,10 +1,10 @@
 # frozen_string_literal: true
-require_relative '../command'
+require_relative "../command"
-require_relative '../install_update_options'
+require_relative "../install_update_options"
-require_relative '../dependency_installer'
+require_relative "../dependency_installer"
-require_relative '../local_remote_options'
+require_relative "../local_remote_options"
-require_relative '../validator'
+require_relative "../validator"
-require_relative '../version_option'
+require_relative "../version_option"
 
 ##
 # Gem installer command line tool
@@ -29,7 +29,7 @@ class Gem::Commands::InstallCommand < Gem::Command
 
     defaults.merge!(install_update_options)
 
-    super 'install', 'Install a gem into the local repository', defaults
+    super "install", "Install a gem into the local repository", defaults
 
     add_install_update_options
     add_local_remote_options
@@ -157,7 +157,7 @@ You can use `i` command instead of `install`.
 
     @installed_specs = []
 
-    ENV.delete 'GEM_PATH' if options[:install_dir].nil?
+    ENV.delete "GEM_PATH" if options[:install_dir].nil?
 
     check_install_dir
     check_version
@@ -172,7 +172,7 @@ You can use `i` command instead of `install`.
   end
 
   def install_from_gemdeps # :nodoc:
-    require_relative '../request_set'
+    require_relative "../request_set"
     rs = Gem::RequestSet.new
 
     specs = rs.install_from_gemdeps options do |req, inst|
@@ -247,11 +247,11 @@ You can use `i` command instead of `install`.
 
   def load_hooks # :nodoc:
     if options[:install_as_default]
-      require_relative '../install_default_message'
+      require_relative "../install_default_message"
     else
-      require_relative '../install_message'
+      require_relative "../install_message"
     end
-    require_relative '../rdoc'
+    require_relative "../rdoc"
   end
 
   def show_install_errors(errors) # :nodoc:
@@ -270,7 +270,7 @@ You can use `i` command instead of `install`.
   def show_installed # :nodoc:
     return if @installed_specs.empty?
 
-    gems = @installed_specs.length == 1 ? 'gem' : 'gems'
+    gems = @installed_specs.length == 1 ? "gem" : "gems"
     say "#{@installed_specs.length} #{gems} installed"
   end
 end

lib/rubygems/commands/list_command.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
-require_relative '../command'
+require_relative "../command"
-require_relative '../query_utils'
+require_relative "../query_utils"
 
 ##
 # Searches for gems starting with the supplied argument.
@@ -9,7 +9,7 @@ class Gem::Commands::ListCommand < Gem::Command
   include Gem::QueryUtils
 
   def initialize
-    super 'list', 'Display local gems whose name matches REGEXP',
+    super "list", "Display local gems whose name matches REGEXP",
          :domain => :local, :details => false, :versions => true,
          :installed => nil, :version => Gem::Requirement.default
 

lib/rubygems/commands/lock_command.rb

@@ -1,13 +1,13 @@
 # frozen_string_literal: true
-require_relative '../command'
+require_relative "../command"
 
 class Gem::Commands::LockCommand < Gem::Command
   def initialize
-    super 'lock', 'Generate a lockdown list of gems',
+    super "lock", "Generate a lockdown list of gems",
           :strict => false
 
-    add_option '-s', '--[no-]strict',
+    add_option "-s", "--[no-]strict",
-               'fail if unable to satisfy a dependency' do |strict, options|
+               "fail if unable to satisfy a dependency" do |strict, options|
       options[:strict] = strict
     end
   end

lib/rubygems/commands/mirror_command.rb

@@ -1,12 +1,12 @@
 # frozen_string_literal: true
-require_relative '../command'
+require_relative "../command"
 
 unless defined? Gem::Commands::MirrorCommand
   class Gem::Commands::MirrorCommand < Gem::Command
     def initialize
-      super('mirror', 'Mirror all gem files (requires rubygems-mirror)')
+      super("mirror", "Mirror all gem files (requires rubygems-mirror)")
       begin
-        Gem::Specification.find_by_name('rubygems-mirror').activate
+        Gem::Specification.find_by_name("rubygems-mirror").activate
       rescue Gem::LoadError
         # no-op
       end

lib/rubygems/commands/open_command.rb

@@ -1,18 +1,18 @@
 # frozen_string_literal: true
-require_relative '../command'
+require_relative "../command"
-require_relative '../version_option'
+require_relative "../version_option"
 
 class Gem::Commands::OpenCommand < Gem::Command
   include Gem::VersionOption
 
   def initialize
-    super 'open', 'Open gem sources in editor'
+    super "open", "Open gem sources in editor"
 
-    add_option('-e', '--editor COMMAND', String,
+    add_option("-e", "--editor COMMAND", String,
                "Prepends COMMAND to gem path. Could be used to specify editor.") do |command, options|
       options[:editor] = command || get_env_editor
     end
-    add_option('-v', '--version VERSION', String,
+    add_option("-v", "--version VERSION", String,
                "Opens specific gem version") do |version|
       options[:version] = version
     end
@@ -40,10 +40,10 @@ class Gem::Commands::OpenCommand < Gem::Command
   end
 
   def get_env_editor
-    ENV['GEM_EDITOR'] ||
+    ENV["GEM_EDITOR"] ||
-      ENV['VISUAL'] ||
+      ENV["VISUAL"] ||
-      ENV['EDITOR'] ||
+      ENV["EDITOR"] ||
-      'vi'
+      "vi"
   end
 
   def execute

lib/rubygems/commands/outdated_command.rb

@@ -1,15 +1,15 @@
 # frozen_string_literal: true
-require_relative '../command'
+require_relative "../command"
-require_relative '../local_remote_options'
+require_relative "../local_remote_options"
-require_relative '../spec_fetcher'
+require_relative "../spec_fetcher"
-require_relative '../version_option'
+require_relative "../version_option"
 
 class Gem::Commands::OutdatedCommand < Gem::Command
   include Gem::LocalRemoteOptions
   include Gem::VersionOption
 
   def initialize
-    super 'outdated', 'Display all gems that need updates'
+    super "outdated", "Display all gems that need updates"
 
     add_local_remote_options
     add_platform_option

lib/rubygems/commands/owner_command.rb

@@ -1,8 +1,8 @@
 # frozen_string_literal: true
-require_relative '../command'
+require_relative "../command"
-require_relative '../local_remote_options'
+require_relative "../local_remote_options"
-require_relative '../gemcutter_utilities'
+require_relative "../gemcutter_utilities"
-require_relative '../text'
+require_relative "../text"
 
 class Gem::Commands::OwnerCommand < Gem::Command
   include Gem::Text
@@ -34,23 +34,23 @@ permission to.
   end
 
   def initialize
-    super 'owner', 'Manage gem owners of a gem on the push server'
+    super "owner", "Manage gem owners of a gem on the push server"
     add_proxy_option
     add_key_option
     add_otp_option
     defaults.merge! :add => [], :remove => []
 
-    add_option '-a', '--add NEW_OWNER', 'Add an owner by user identifier' do |value, options|
+    add_option "-a", "--add NEW_OWNER", "Add an owner by user identifier" do |value, options|
       options[:add] << value
     end
 
-    add_option '-r', '--remove OLD_OWNER', 'Remove an owner by user identifier' do |value, options|
+    add_option "-r", "--remove OLD_OWNER", "Remove an owner by user identifier" do |value, options|
       options[:remove] << value
     end
 
-    add_option '-h', '--host HOST',
+    add_option "-h", "--host HOST",
-               'Use another gemcutter-compatible host',
+               "Use another gemcutter-compatible host",
-               '  (e.g. https://rubygems.org)' do |value, options|
+               "  (e.g. https://rubygems.org)" do |value, options|
       options[:host] = value
     end
   end
@@ -108,7 +108,7 @@ permission to.
 
   def send_owner_request(method, name, owner)
     rubygems_api_request method, "api/v1/gems/#{name}/owners", scope: get_owner_scope(method: method) do |request|
-      request.set_form_data 'email' => owner
+      request.set_form_data "email" => owner
       request.add_field "Authorization", api_key
     end
   end

lib/rubygems/commands/pristine_command.rb

@@ -1,67 +1,67 @@
 # frozen_string_literal: true
-require_relative '../command'
+require_relative "../command"
-require_relative '../package'
+require_relative "../package"
-require_relative '../installer'
+require_relative "../installer"
-require_relative '../version_option'
+require_relative "../version_option"
 
 class Gem::Commands::PristineCommand < Gem::Command
   include Gem::VersionOption
 
   def initialize
-    super 'pristine',
+    super "pristine",
-          'Restores installed gems to pristine condition from files located in the gem cache',
+          "Restores installed gems to pristine condition from files located in the gem cache",
           :version => Gem::Requirement.default,
           :extensions => true,
           :extensions_set => false,
           :all => false
 
-    add_option('--all',
+    add_option("--all",
-               'Restore all installed gems to pristine',
+               "Restore all installed gems to pristine",
-               'condition') do |value, options|
+               "condition") do |value, options|
       options[:all] = value
     end
 
-    add_option('--skip=gem_name',
+    add_option("--skip=gem_name",
-               'used on --all, skip if name == gem_name') do |value, options|
+               "used on --all, skip if name == gem_name") do |value, options|
       options[:skip] ||= []
       options[:skip] << value
     end
 
-    add_option('--[no-]extensions',
+    add_option("--[no-]extensions",
-               'Restore gems with extensions',
+               "Restore gems with extensions",
-               'in addition to regular gems') do |value, options|
+               "in addition to regular gems") do |value, options|
       options[:extensions_set] = true
       options[:extensions]     = value
     end
 
-    add_option('--only-executables',
+    add_option("--only-executables",
-               'Only restore executables') do |value, options|
+               "Only restore executables") do |value, options|
       options[:only_executables] = value
     end
 
-    add_option('--only-plugins',
+    add_option("--only-plugins",
-               'Only restore plugins') do |value, options|
+               "Only restore plugins") do |value, options|
       options[:only_plugins] = value
     end
 
-    add_option('-E', '--[no-]env-shebang',
+    add_option("-E", "--[no-]env-shebang",
-               'Rewrite executables with a shebang',
+               "Rewrite executables with a shebang",
-               'of /usr/bin/env') do |value, options|
+               "of /usr/bin/env") do |value, options|
       options[:env_shebang] = value
     end
 
-    add_option('-i', '--install-dir DIR',
+    add_option("-i", "--install-dir DIR",
-               'Gem repository to get binstubs and plugins installed') do |value, options|
+               "Gem repository to get binstubs and plugins installed") do |value, options|
       options[:install_dir] = File.expand_path(value)
     end
 
-    add_option('-n', '--bindir DIR',
+    add_option("-n", "--bindir DIR",
-               'Directory where executables are',
+               "Directory where executables are",
-               'located') do |value, options|
+               "located") do |value, options|
       options[:bin_dir] = File.expand_path(value)
     end
 
-    add_version_option('restore to', 'pristine condition')
+    add_version_option("restore to", "pristine condition")
   end
 
   def arguments # :nodoc:
@@ -69,7 +69,7 @@ class Gem::Commands::PristineCommand < Gem::Command
   end
 
   def defaults_str # :nodoc:
-    '--extensions'
+    "--extensions"
   end
 
   def description # :nodoc:
@@ -143,7 +143,7 @@ extensions will be restored.
       gem = spec.cache_file
 
       unless File.exist? gem or options[:only_executables] or options[:only_plugins]
-        require_relative '../remote_fetcher'
+        require_relative "../remote_fetcher"
 
         say "Cached gem for #{spec.full_name} not found, attempting to fetch..."
 
@@ -163,8 +163,8 @@ extensions will be restored.
         if options.include? :env_shebang
           options[:env_shebang]
         else
-          install_defaults = Gem::ConfigFile::PLATFORM_DEFAULTS['install']
+          install_defaults = Gem::ConfigFile::PLATFORM_DEFAULTS["install"]
-          install_defaults.to_s['--env-shebang']
+          install_defaults.to_s["--env-shebang"]
         end
 
       bin_dir = options[:bin_dir] if options[:bin_dir]

lib/rubygems/commands/push_command.rb

@@ -1,8 +1,8 @@
 # frozen_string_literal: true
-require_relative '../command'
+require_relative "../command"
-require_relative '../local_remote_options'
+require_relative "../local_remote_options"
-require_relative '../gemcutter_utilities'
+require_relative "../gemcutter_utilities"
-require_relative '../package'
+require_relative "../package"
 
 class Gem::Commands::PushCommand < Gem::Command
   include Gem::LocalRemoteOptions
@@ -29,7 +29,7 @@ The push command will use ~/.gem/credentials to authenticate to a server, but yo
   end
 
   def initialize
-    super 'push', 'Push a gem up to the gem server', :host => self.host
+    super "push", "Push a gem up to the gem server", :host => self.host
 
     @user_defined_host = false
 
@@ -37,9 +37,9 @@ The push command will use ~/.gem/credentials to authenticate to a server, but yo
     add_key_option
     add_otp_option
 
-    add_option('--host HOST',
+    add_option("--host HOST",
-               'Push to another gemcutter-compatible host',
+               "Push to another gemcutter-compatible host",
-               '  (e.g. https://rubygems.org)') do |value, options|
+               "  (e.g. https://rubygems.org)") do |value, options|
       options[:host] = value
       @user_defined_host = true
     end

lib/rubygems/commands/query_command.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
-require_relative '../command'
+require_relative "../command"
-require_relative '../query_utils'
+require_relative "../query_utils"
-require_relative '../deprecate'
+require_relative "../deprecate"
 
 class Gem::Commands::QueryCommand < Gem::Command
   extend Gem::Deprecate
@@ -17,15 +17,15 @@ class Gem::Commands::QueryCommand < Gem::Command
     alert_warning message unless Gem::Deprecate.skip
   end
 
-  def initialize(name = 'query',
+  def initialize(name = "query",
-                 summary = 'Query gem information in local or remote repositories')
+                 summary = "Query gem information in local or remote repositories")
     super name, summary,
          :domain => :local, :details => false, :versions => true,
          :installed => nil, :version => Gem::Requirement.default
 
-    add_option('-n', '--name-matches REGEXP',
+    add_option("-n", "--name-matches REGEXP",
-               'Name of gem(s) to query on matches the',
+               "Name of gem(s) to query on matches the",
-               'provided REGEXP') do |value, options|
+               "provided REGEXP") do |value, options|
       options[:name] = /#{value}/i
     end
 

lib/rubygems/commands/rdoc_command.rb

@@ -1,35 +1,35 @@
 # frozen_string_literal: true
-require_relative '../command'
+require_relative "../command"
-require_relative '../version_option'
+require_relative "../version_option"
-require_relative '../rdoc'
+require_relative "../rdoc"
-require 'fileutils'
+require "fileutils"
 
 class Gem::Commands::RdocCommand < Gem::Command
   include Gem::VersionOption
 
   def initialize
-    super 'rdoc', 'Generates RDoc for pre-installed gems',
+    super "rdoc", "Generates RDoc for pre-installed gems",
           :version => Gem::Requirement.default,
           :include_rdoc => false, :include_ri => true, :overwrite => false
 
-    add_option('--all',
+    add_option("--all",
-               'Generate RDoc/RI documentation for all',
+               "Generate RDoc/RI documentation for all",
-               'installed gems') do |value, options|
+               "installed gems") do |value, options|
       options[:all] = value
     end
 
-    add_option('--[no-]rdoc',
+    add_option("--[no-]rdoc",
-               'Generate RDoc HTML') do |value, options|
+               "Generate RDoc HTML") do |value, options|
       options[:include_rdoc] = value
     end
 
-    add_option('--[no-]ri',
+    add_option("--[no-]ri",
-               'Generate RI data') do |value, options|
+               "Generate RI data") do |value, options|
       options[:include_ri] = value
     end
 
-    add_option('--[no-]overwrite',
+    add_option("--[no-]overwrite",
-               'Overwrite installed documents') do |value, options|
+               "Overwrite installed documents") do |value, options|
       options[:overwrite] = value
     end
 
@@ -69,7 +69,7 @@ Use --overwrite to force rebuilding of documentation.
     end
 
     if specs.empty?
-      alert_error 'No matching gems found'
+      alert_error "No matching gems found"
       terminate_interaction 1
     end
 
@@ -79,8 +79,8 @@ Use --overwrite to force rebuilding of documentation.
       doc.force = options[:overwrite]
 
       if options[:overwrite]
-        FileUtils.rm_rf File.join(spec.doc_dir, 'ri')
+        FileUtils.rm_rf File.join(spec.doc_dir, "ri")
-        FileUtils.rm_rf File.join(spec.doc_dir, 'rdoc')
+        FileUtils.rm_rf File.join(spec.doc_dir, "rdoc")
       end
 
       begin

lib/rubygems/commands/search_command.rb

@@ -1,12 +1,12 @@
 # frozen_string_literal: true
-require_relative '../command'
+require_relative "../command"
-require_relative '../query_utils'
+require_relative "../query_utils"
 
 class Gem::Commands::SearchCommand < Gem::Command
   include Gem::QueryUtils
 
   def initialize
-    super 'search', 'Display remote gems whose name matches REGEXP',
+    super "search", "Display remote gems whose name matches REGEXP",
          :domain => :remote, :details => false, :versions => true,
          :installed => nil, :version => Gem::Requirement.default
 

lib/rubygems/commands/server_command.rb

@@ -1,12 +1,12 @@
 # frozen_string_literal: true
-require_relative '../command'
+require_relative "../command"
 
 unless defined? Gem::Commands::ServerCommand
   class Gem::Commands::ServerCommand < Gem::Command
     def initialize
-      super('server', 'Starts up a web server that hosts the RDoc (requires rubygems-server)')
+      super("server", "Starts up a web server that hosts the RDoc (requires rubygems-server)")
       begin
-        Gem::Specification.find_by_name('rubygems-server').activate
+        Gem::Specification.find_by_name("rubygems-server").activate
       rescue Gem::LoadError
         # no-op
       end

lib/rubygems/commands/setup_command.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require_relative '../command'
+require_relative "../command"
 
 ##
 # Installs RubyGems itself.  This command is ordinarily only available from a
@@ -12,47 +12,47 @@ class Gem::Commands::SetupCommand < Gem::Command
   ENV_PATHS = %w[/usr/bin/env /bin/env].freeze
 
   def initialize
-    super 'setup', 'Install RubyGems',
+    super "setup", "Install RubyGems",
           :format_executable => false, :document => %w[ri],
           :force => true,
-          :site_or_vendor => 'sitelibdir',
+          :site_or_vendor => "sitelibdir",
-          :destdir => '', :prefix => '', :previous_version => '',
+          :destdir => "", :prefix => "", :previous_version => "",
           :regenerate_binstubs => true,
           :regenerate_plugins => true
 
-    add_option '--previous-version=VERSION',
+    add_option "--previous-version=VERSION",
-               'Previous version of RubyGems',
+               "Previous version of RubyGems",
-               'Used for changelog processing' do |version, options|
+               "Used for changelog processing" do |version, options|
       options[:previous_version] = version
     end
 
-    add_option '--prefix=PREFIX',
+    add_option "--prefix=PREFIX",
-               'Prefix path for installing RubyGems',
+               "Prefix path for installing RubyGems",
-               'Will not affect gem repository location' do |prefix, options|
+               "Will not affect gem repository location" do |prefix, options|
       options[:prefix] = File.expand_path prefix
     end
 
-    add_option '--destdir=DESTDIR',
+    add_option "--destdir=DESTDIR",
-               'Root directory to install RubyGems into',
+               "Root directory to install RubyGems into",
-               'Mainly used for packaging RubyGems' do |destdir, options|
+               "Mainly used for packaging RubyGems" do |destdir, options|
       options[:destdir] = File.expand_path destdir
     end
 
-    add_option '--[no-]vendor',
+    add_option "--[no-]vendor",
-               'Install into vendorlibdir not sitelibdir' do |vendor, options|
+               "Install into vendorlibdir not sitelibdir" do |vendor, options|
-      options[:site_or_vendor] = vendor ? 'vendorlibdir' : 'sitelibdir'
+      options[:site_or_vendor] = vendor ? "vendorlibdir" : "sitelibdir"
     end
 
-    add_option '--[no-]format-executable',
+    add_option "--[no-]format-executable",
-               'Makes `gem` match ruby',
+               "Makes `gem` match ruby",
-               'If Ruby is ruby18, gem will be gem18' do |value, options|
+               "If Ruby is ruby18, gem will be gem18" do |value, options|
       options[:format_executable] = value
     end
 
-    add_option '--[no-]document [TYPES]', Array,
+    add_option "--[no-]document [TYPES]", Array,
-               'Generate documentation for RubyGems',
+               "Generate documentation for RubyGems",
-               'List the documentation types you wish to',
+               "List the documentation types you wish to",
-               'generate.  For example: rdoc,ri' do |value, options|
+               "generate.  For example: rdoc,ri" do |value, options|
       options[:document] = case value
       when nil   then %w[rdoc ri]
       when false then []
@@ -60,46 +60,46 @@ class Gem::Commands::SetupCommand < Gem::Command
       end
     end
 
-    add_option '--[no-]rdoc',
+    add_option "--[no-]rdoc",
-               'Generate RDoc documentation for RubyGems' do |value, options|
+               "Generate RDoc documentation for RubyGems" do |value, options|
       if value
-        options[:document] << 'rdoc'
+        options[:document] << "rdoc"
       else
-        options[:document].delete 'rdoc'
+        options[:document].delete "rdoc"
       end
 
       options[:document].uniq!
     end
 
-    add_option '--[no-]ri',
+    add_option "--[no-]ri",
-               'Generate RI documentation for RubyGems' do |value, options|
+               "Generate RI documentation for RubyGems" do |value, options|
       if value
-        options[:document] << 'ri'
+        options[:document] << "ri"
       else
-        options[:document].delete 'ri'
+        options[:document].delete "ri"
       end
 
       options[:document].uniq!
     end
 
-    add_option '--[no-]regenerate-binstubs',
+    add_option "--[no-]regenerate-binstubs",
-               'Regenerate gem binstubs' do |value, options|
+               "Regenerate gem binstubs" do |value, options|
       options[:regenerate_binstubs] = value
     end
 
-    add_option '--[no-]regenerate-plugins',
+    add_option "--[no-]regenerate-plugins",
-               'Regenerate gem plugins' do |value, options|
+               "Regenerate gem plugins" do |value, options|
       options[:regenerate_plugins] = value
     end
 
-    add_option '-f', '--[no-]force',
+    add_option "-f", "--[no-]force",
-               'Forcefully overwrite binstubs' do |value, options|
+               "Forcefully overwrite binstubs" do |value, options|
       options[:force] = value
     end
 
-    add_option('-E', '--[no-]env-shebang',
+    add_option("-E", "--[no-]env-shebang",
-               'Rewrite executables with a shebang',
+               "Rewrite executables with a shebang",
-               'of /usr/bin/env') do |value, options|
+               "of /usr/bin/env") do |value, options|
       options[:env_shebang] = value
     end
 
@@ -107,7 +107,7 @@ class Gem::Commands::SetupCommand < Gem::Command
   end
 
   def check_ruby_version
-    required_version = Gem::Requirement.new '>= 2.3.0'
+    required_version = Gem::Requirement.new ">= 2.3.0"
 
     unless required_version.satisfied_by? Gem.ruby_version
       alert_error "Expected Ruby version #{required_version}, is #{Gem.ruby_version}"
@@ -149,7 +149,7 @@ By default, this RubyGems will install gem as:
 
     check_ruby_version
 
-    require 'fileutils'
+    require "fileutils"
     if Gem.configuration.really_verbose
       extend FileUtils::Verbose
     else
@@ -194,7 +194,7 @@ By default, this RubyGems will install gem as:
     end
 
     if options[:previous_version].empty?
-      options[:previous_version] = Gem::VERSION.sub(/[0-9]+$/, '0')
+      options[:previous_version] = Gem::VERSION.sub(/[0-9]+$/, "0")
     end
 
     options[:previous_version] = Gem::Version.new(options[:previous_version])
@@ -216,7 +216,7 @@ By default, this RubyGems will install gem as:
     end
 
     if documentation_success
-      if options[:document].include? 'rdoc'
+      if options[:document].include? "rdoc"
         say "Rdoc documentation was installed. You may now invoke:"
         say "  gem server"
         say "and then peruse beautifully formatted documentation for your gems"
@@ -227,7 +227,7 @@ By default, this RubyGems will install gem as:
         say
       end
 
-      if options[:document].include? 'ri'
+      if options[:document].include? "ri"
         say "Ruby Interactive (ri) documentation was installed. ri is kind of like man "
         say "pages for Ruby libraries. You may access it like this:"
         say "  ri Classname"
@@ -244,14 +244,14 @@ By default, this RubyGems will install gem as:
   def install_executables(bin_dir)
     prog_mode = options[:prog_mode] || 0755
 
-    executables = { 'gem' => 'bin' }
+    executables = { "gem" => "bin" }
     executables.each do |tool, path|
       say "Installing #{tool} executable" if @verbose
 
       Dir.chdir path do
         bin_file = "gem"
 
-        require 'tmpdir'
+        require "tmpdir"
 
         dest_file = target_bin_path(bin_dir, bin_file)
         bin_tmp_file = File.join Dir.tmpdir, "#{bin_file}.#{$$}"
@@ -260,7 +260,7 @@ By default, this RubyGems will install gem as:
           bin = File.readlines bin_file
           bin[0] = shebang
 
-          File.open bin_tmp_file, 'w' do |fp|
+          File.open bin_tmp_file, "w" do |fp|
             fp.puts bin.join
           end
 
@@ -275,7 +275,7 @@ By default, this RubyGems will install gem as:
         begin
           bin_cmd_file = File.join Dir.tmpdir, "#{bin_file}.bat"
 
-          File.open bin_cmd_file, 'w' do |file|
+          File.open bin_cmd_file, "w" do |file|
             file.puts <<-TEXT
   @ECHO OFF
   IF NOT "%~f0" == "~f0" GOTO :WinNT
@@ -296,7 +296,7 @@ By default, this RubyGems will install gem as:
 
   def shebang
     if options[:env_shebang]
-      ruby_name = RbConfig::CONFIG['ruby_install_name']
+      ruby_name = RbConfig::CONFIG["ruby_install_name"]
       @env_path ||= ENV_PATHS.find {|env_path| File.executable? env_path }
       "#!#{@env_path} #{ruby_name}\n"
     else
@@ -305,8 +305,8 @@ By default, this RubyGems will install gem as:
   end
 
   def install_lib(lib_dir)
-    libs = { 'RubyGems' => 'lib' }
+    libs = { "RubyGems" => "lib" }
-    libs['Bundler'] = 'bundler/lib'
+    libs["Bundler"] = "bundler/lib"
     libs.each do |tool, path|
       say "Installing #{tool}" if @verbose
 
@@ -319,7 +319,7 @@ By default, this RubyGems will install gem as:
   end
 
   def install_rdoc
-    gem_doc_dir = File.join Gem.dir, 'doc'
+    gem_doc_dir = File.join Gem.dir, "doc"
     rubygems_name = "rubygems-#{Gem::VERSION}"
     rubygems_doc_dir = File.join gem_doc_dir, rubygems_name
 
@@ -333,19 +333,19 @@ By default, this RubyGems will install gem as:
        (not File.exist? rubygems_doc_dir or
         File.writable? rubygems_doc_dir)
       say "Removing old RubyGems RDoc and ri" if @verbose
-      Dir[File.join(Gem.dir, 'doc', 'rubygems-[0-9]*')].each do |dir|
+      Dir[File.join(Gem.dir, "doc", "rubygems-[0-9]*")].each do |dir|
         rm_rf dir
       end
 
-      require_relative '../rdoc'
+      require_relative "../rdoc"
 
-      fake_spec = Gem::Specification.new 'rubygems', Gem::VERSION
+      fake_spec = Gem::Specification.new "rubygems", Gem::VERSION
       def fake_spec.full_gem_path
-        File.expand_path '../../..', __dir__
+        File.expand_path "../../..", __dir__
       end
 
-      generate_ri   = options[:document].include? 'ri'
+      generate_ri   = options[:document].include? "ri"
-      generate_rdoc = options[:document].include? 'rdoc'
+      generate_rdoc = options[:document].include? "rdoc"
 
       rdoc = Gem::RDoc.new fake_spec, generate_rdoc, generate_ri
       rdoc.generate
@@ -360,34 +360,24 @@ By default, this RubyGems will install gem as:
   end
 
   def install_default_bundler_gem(bin_dir)
-    specs_dir = File.join(default_dir, "specifications", "default")
-    mkdir_p specs_dir, :mode => 0755
-
-    bundler_spec = Dir.chdir("bundler") { Gem::Specification.load("bundler.gemspec") }
-
     current_default_spec = Gem::Specification.default_stubs.find {|s| s.name == "bundler" }
-    if current_default_spec
+    specs_dir = if current_default_spec && default_dir == Gem.default_dir
-      File.delete(current_default_spec.loaded_from)
       Gem::Specification.remove_spec current_default_spec
+      loaded_from = current_default_spec.loaded_from
+      File.delete(loaded_from)
+      File.dirname(loaded_from)
+    else
+      target_specs_dir = File.join(default_dir, "specifications", "default")
+      mkdir_p target_specs_dir, :mode => 0755
+      target_specs_dir
     end
 
+    bundler_spec = Dir.chdir("bundler") { Gem::Specification.load("bundler.gemspec") }
     default_spec_path = File.join(specs_dir, "#{bundler_spec.full_name}.gemspec")
     Gem.write_binary(default_spec_path, bundler_spec.to_ruby)
 
     bundler_spec = Gem::Specification.load(default_spec_path)
 
-    # The base_dir value for a specification is inferred by walking up from the
-    # folder where the spec was `loaded_from`. In the case of default gems, we
-    # walk up two levels, because they live at `specifications/default/`, whereas
-    # in the case of regular gems we walk up just one level because they live at
-    # `specifications/`. However, in this case, the gem we are installing is
-    # misdetected as a regular gem, when it's a default gem in reality. This is
-    # because when there's a `:destdir`, the `loaded_from` path has changed and
-    # doesn't match `Gem.default_specifications_dir` which is the criteria to
-    # tag a gem as a default gem. So, in that case, write the correct
-    # `@base_dir` directly.
-    bundler_spec.instance_variable_set(:@base_dir, File.dirname(File.dirname(specs_dir)))
-
     # Remove gemspec that was same version of vendored bundler.
     normal_gemspec = File.join(default_dir, "specifications", "bundler-#{bundler_spec.version}.gemspec")
     if File.file? normal_gemspec
@@ -407,7 +397,7 @@ By default, this RubyGems will install gem as:
       cp File.join("bundler", bundler_spec.bindir, e), File.join(bundler_bin_dir, e)
     end
 
-    require_relative '../installer'
+    require_relative "../installer"
 
     Dir.chdir("bundler") do
       built_gem = Gem::Package.build(bundler_spec)
@@ -449,10 +439,10 @@ By default, this RubyGems will install gem as:
     prefix = options[:prefix]
 
     if prefix.empty?
-      man_dir = RbConfig::CONFIG['mandir']
+      man_dir = RbConfig::CONFIG["mandir"]
       return unless man_dir
     else
-      man_dir = File.join prefix, 'man'
+      man_dir = File.join prefix, "man"
     end
 
     prepend_destdir_if_present(man_dir)
@@ -464,10 +454,10 @@ By default, this RubyGems will install gem as:
 
     if prefix.empty?
       lib_dir = RbConfig::CONFIG[site_or_vendor]
-      bin_dir = RbConfig::CONFIG['bindir']
+      bin_dir = RbConfig::CONFIG["bindir"]
     else
-      lib_dir = File.join prefix, 'lib'
+      lib_dir = File.join prefix, "lib"
-      bin_dir = File.join prefix, 'bin'
+      bin_dir = File.join prefix, "bin"
     end
 
     [prepend_destdir_if_present(lib_dir), prepend_destdir_if_present(bin_dir)]
@@ -475,19 +465,19 @@ By default, this RubyGems will install gem as:
 
   def files_in(dir)
     Dir.chdir dir do
-      Dir.glob(File.join('**', '*'), File::FNM_DOTMATCH).
+      Dir.glob(File.join("**", "*"), File::FNM_DOTMATCH).
         select {|f| !File.directory?(f) }
     end
   end
 
   def remove_old_bin_files(bin_dir)
     old_bin_files = {
-      'gem_mirror' => 'gem mirror',
+      "gem_mirror" => "gem mirror",
-      'gem_server' => 'gem server',
+      "gem_server" => "gem server",
-      'gemlock' => 'gem lock',
+      "gemlock" => "gem lock",
-      'gemri' => 'ri',
+      "gemri" => "ri",
-      'gemwhich' => 'gem which',
+      "gemwhich" => "gem which",
-      'index_gem_repository.rb' => 'gem generate_index',
+      "index_gem_repository.rb" => "gem generate_index",
     }
 
     old_bin_files.each do |old_bin_file, new_name|
@@ -496,7 +486,7 @@ By default, this RubyGems will install gem as:
 
       deprecation_message = "`#{old_bin_file}` has been deprecated. Use `#{new_name}` instead."
 
-      File.open old_bin_path, 'w' do |fp|
+      File.open old_bin_path, "w" do |fp|
         fp.write <<-EOF
 #!#{Gem.ruby}
 
@@ -506,15 +496,15 @@ abort "#{deprecation_message}"
 
       next unless Gem.win_platform?
 
-      File.open "#{old_bin_path}.bat", 'w' do |fp|
+      File.open "#{old_bin_path}.bat", "w" do |fp|
         fp.puts %(@ECHO.#{deprecation_message})
       end
     end
   end
 
   def remove_old_lib_files(lib_dir)
-    lib_dirs = { File.join(lib_dir, 'rubygems') => 'lib/rubygems' }
+    lib_dirs = { File.join(lib_dir, "rubygems") => "lib/rubygems" }
-    lib_dirs[File.join(lib_dir, 'bundler')] = 'bundler/lib/bundler'
+    lib_dirs[File.join(lib_dir, "bundler")] = "bundler/lib/bundler"
     lib_dirs.each do |old_lib_dir, new_lib_dir|
       lib_files = files_in(new_lib_dir)
 
@@ -522,11 +512,11 @@ abort "#{deprecation_message}"
 
       to_remove = old_lib_files - lib_files
 
-      gauntlet_rubygems = File.join(lib_dir, 'gauntlet_rubygems.rb')
+      gauntlet_rubygems = File.join(lib_dir, "gauntlet_rubygems.rb")
       to_remove << gauntlet_rubygems if File.exist? gauntlet_rubygems
 
       to_remove.delete_if do |file|
-        file.start_with? 'defaults'
+        file.start_with? "defaults"
       end
 
       remove_file_list(to_remove, old_lib_dir)
@@ -552,7 +542,7 @@ abort "#{deprecation_message}"
   end
 
   def show_release_notes
-    release_notes = File.join Dir.pwd, 'CHANGELOG.md'
+    release_notes = File.join Dir.pwd, "CHANGELOG.md"
 
     release_notes =
       if File.exist? release_notes
@@ -583,10 +573,10 @@ abort "#{deprecation_message}"
   end
 
   def uninstall_old_gemcutter
-    require_relative '../uninstaller'
+    require_relative "../uninstaller"
 
-    ui = Gem::Uninstaller.new('gemcutter', :all => true, :ignore => true,
+    ui = Gem::Uninstaller.new("gemcutter", :all => true, :ignore => true,
-                              :version => '< 0.4')
+                              :version => "< 0.4")
     ui.uninstall
   rescue Gem::InstallError
   end
@@ -635,7 +625,7 @@ abort "#{deprecation_message}"
     destdir = options[:destdir]
     return path if destdir.empty?
 
-    File.join(options[:destdir], path.gsub(/^[a-zA-Z]:/, ''))
+    File.join(options[:destdir], path.gsub(/^[a-zA-Z]:/, ""))
   end
 
   def install_file_list(files, dest_dir)

lib/rubygems/commands/signin_command.rb

@@ -1,15 +1,15 @@
 # frozen_string_literal: true
-require_relative '../command'
+require_relative "../command"
-require_relative '../gemcutter_utilities'
+require_relative "../gemcutter_utilities"
 
 class Gem::Commands::SigninCommand < Gem::Command
   include Gem::GemcutterUtilities
 
   def initialize
-    super 'signin', 'Sign in to any gemcutter-compatible host. '\
+    super "signin", "Sign in to any gemcutter-compatible host. "\
-          'It defaults to https://rubygems.org'
+          "It defaults to https://rubygems.org"
 
-    add_option('--host HOST', 'Push to another gemcutter-compatible host') do |value, options|
+    add_option("--host HOST", "Push to another gemcutter-compatible host") do |value, options|
       options[:host] = value
     end
 
@@ -17,10 +17,10 @@ class Gem::Commands::SigninCommand < Gem::Command
   end
 
   def description # :nodoc:
-    'The signin command executes host sign in for a push server (the default is'\
+    "The signin command executes host sign in for a push server (the default is"\
-    ' https://rubygems.org). The host can be provided with the host flag or can'\
+    " https://rubygems.org). The host can be provided with the host flag or can"\
-    ' be inferred from the provided gem. Host resolution matches the resolution'\
+    " be inferred from the provided gem. Host resolution matches the resolution"\
-    ' strategy for the push command.'
+    " strategy for the push command."
   end
 
   def usage # :nodoc:

lib/rubygems/commands/signout_command.rb

@@ -1,14 +1,14 @@
 # frozen_string_literal: true
-require_relative '../command'
+require_relative "../command"
 
 class Gem::Commands::SignoutCommand < Gem::Command
   def initialize
-    super 'signout', 'Sign out from all the current sessions.'
+    super "signout", "Sign out from all the current sessions."
   end
 
   def description # :nodoc:
-    'The `signout` command is used to sign out from all current sessions,'\
+    "The `signout` command is used to sign out from all current sessions,"\
-    ' allowing you to sign in using a different set of credentials.'
+    " allowing you to sign in using a different set of credentials."
   end
 
   def usage # :nodoc:
@@ -19,13 +19,13 @@ class Gem::Commands::SignoutCommand < Gem::Command
     credentials_path = Gem.configuration.credentials_path
 
     if !File.exist?(credentials_path)
-      alert_error 'You are not currently signed in.'
+      alert_error "You are not currently signed in."
     elsif !File.writable?(credentials_path)
       alert_error "File '#{Gem.configuration.credentials_path}' is read-only."\
-                  ' Please make sure it is writable.'
+                  " Please make sure it is writable."
     else
       Gem.configuration.unset_api_key!
-      say 'You have successfully signed out from all sessions.'
+      say "You have successfully signed out from all sessions."
     end
   end
 end

lib/rubygems/commands/sources_command.rb

@@ -1,40 +1,40 @@
 # frozen_string_literal: true
-require_relative '../command'
+require_relative "../command"
-require_relative '../remote_fetcher'
+require_relative "../remote_fetcher"
-require_relative '../spec_fetcher'
+require_relative "../spec_fetcher"
-require_relative '../local_remote_options'
+require_relative "../local_remote_options"
 
 class Gem::Commands::SourcesCommand < Gem::Command
   include Gem::LocalRemoteOptions
 
   def initialize
-    require 'fileutils'
+    require "fileutils"
 
-    super 'sources',
+    super "sources",
-          'Manage the sources and cache file RubyGems uses to search for gems'
+          "Manage the sources and cache file RubyGems uses to search for gems"
 
-    add_option '-a', '--add SOURCE_URI', 'Add source' do |value, options|
+    add_option "-a", "--add SOURCE_URI", "Add source" do |value, options|
       options[:add] = value
     end
 
-    add_option '-l', '--list', 'List sources' do |value, options|
+    add_option "-l", "--list", "List sources" do |value, options|
       options[:list] = value
     end
 
-    add_option '-r', '--remove SOURCE_URI', 'Remove source' do |value, options|
+    add_option "-r", "--remove SOURCE_URI", "Remove source" do |value, options|
       options[:remove] = value
     end
 
-    add_option '-c', '--clear-all',
+    add_option "-c", "--clear-all",
-               'Remove all sources (clear the cache)' do |value, options|
+               "Remove all sources (clear the cache)" do |value, options|
       options[:clear_all] = value
     end
 
-    add_option '-u', '--update', 'Update source cache' do |value, options|
+    add_option "-u", "--update", "Update source cache" do |value, options|
       options[:update] = value
     end
 
-    add_option '-f', '--[no-]force', "Do not show any confirmation prompts and behave as if 'yes' was always answered" do |value, options|
+    add_option "-f", "--[no-]force", "Do not show any confirmation prompts and behave as if 'yes' was always answered" do |value, options|
       options[:force] = value
     end
 
@@ -82,8 +82,8 @@ Do you want to add this source?
   def check_rubygems_https(source_uri) # :nodoc:
     uri = URI source_uri
 
-    if uri.scheme and uri.scheme.downcase == 'http' and
+    if uri.scheme and uri.scheme.downcase == "http" and
-       uri.host.downcase == 'rubygems.org'
+       uri.host.downcase == "rubygems.org"
       question = <<-QUESTION.chomp
 https://rubygems.org is recommended for security over #{uri}
 
@@ -112,7 +112,7 @@ Do you want to add this insecure source?
   end
 
   def defaults_str # :nodoc:
-    '--list'
+    "--list"
   end
 
   def description # :nodoc:
@@ -138,8 +138,8 @@ do not recognize you should remove them.
 RubyGems has been configured to serve gems via the following URLs through
 its history:
 
-* http://gems.rubyforge.org (RubyGems 1.3.6 and earlier)
+* http://gems.rubyforge.org (RubyGems 1.3.5 and earlier)
-* https://rubygems.org/       (RubyGems 1.3.7 through 1.8.25)
+* http://rubygems.org       (RubyGems 1.3.6 through 1.8.30, and 2.0.0)
 * https://rubygems.org      (RubyGems 2.0.1 and newer)
 
 Since all of these sources point to the same set of gems you only need one

lib/rubygems/commands/specification_command.rb

@@ -1,8 +1,8 @@
 # frozen_string_literal: true
-require_relative '../command'
+require_relative "../command"
-require_relative '../local_remote_options'
+require_relative "../local_remote_options"
-require_relative '../version_option'
+require_relative "../version_option"
-require_relative '../package'
+require_relative "../package"
 
 class Gem::Commands::SpecificationCommand < Gem::Command
   include Gem::LocalRemoteOptions
@@ -11,28 +11,28 @@ class Gem::Commands::SpecificationCommand < Gem::Command
   def initialize
     Gem.load_yaml
 
-    super 'specification', 'Display gem specification (in yaml)',
+    super "specification", "Display gem specification (in yaml)",
           :domain => :local, :version => Gem::Requirement.default,
           :format => :yaml
 
-    add_version_option('examine')
+    add_version_option("examine")
     add_platform_option
     add_prerelease_option
 
-    add_option('--all', 'Output specifications for all versions of',
+    add_option("--all", "Output specifications for all versions of",
-               'the gem') do |value, options|
+               "the gem") do |value, options|
       options[:all] = true
     end
 
-    add_option('--ruby', 'Output ruby format') do |value, options|
+    add_option("--ruby", "Output ruby format") do |value, options|
       options[:format] = :ruby
     end
 
-    add_option('--yaml', 'Output YAML format') do |value, options|
+    add_option("--yaml", "Output YAML format") do |value, options|
       options[:format] = :yaml
     end
 
-    add_option('--marshal', 'Output Marshal format') do |value, options|
+    add_option("--marshal", "Output Marshal format") do |value, options|
       options[:format] = :marshal
     end
 

lib/rubygems/commands/stale_command.rb

@@ -1,9 +1,9 @@
 # frozen_string_literal: true
-require_relative '../command'
+require_relative "../command"
 
 class Gem::Commands::StaleCommand < Gem::Command
   def initialize
-    super('stale', 'List gems along with access times')
+    super("stale", "List gems along with access times")
   end
 
   def description # :nodoc:

lib/rubygems/commands/uninstall_command.rb

@@ -1,8 +1,8 @@
 # frozen_string_literal: true
-require_relative '../command'
+require_relative "../command"
-require_relative '../version_option'
+require_relative "../version_option"
-require_relative '../uninstaller'
+require_relative "../uninstaller"
-require 'fileutils'
+require "fileutils"
 
 ##
 # Gem uninstaller command line tool
@@ -13,78 +13,78 @@ class Gem::Commands::UninstallCommand < Gem::Command
   include Gem::VersionOption
 
   def initialize
-    super 'uninstall', 'Uninstall gems from the local repository',
+    super "uninstall", "Uninstall gems from the local repository",
           :version => Gem::Requirement.default, :user_install => true,
           :check_dev => false, :vendor => false
 
-    add_option('-a', '--[no-]all',
+    add_option("-a", "--[no-]all",
-      'Uninstall all matching versions'
+      "Uninstall all matching versions"
     ) do |value, options|
       options[:all] = value
     end
 
-    add_option('-I', '--[no-]ignore-dependencies',
+    add_option("-I", "--[no-]ignore-dependencies",
-               'Ignore dependency requirements while',
+               "Ignore dependency requirements while",
-               'uninstalling') do |value, options|
+               "uninstalling") do |value, options|
       options[:ignore] = value
     end
 
-    add_option('-D', '--[no-]check-development',
+    add_option("-D", "--[no-]check-development",
-               'Check development dependencies while uninstalling',
+               "Check development dependencies while uninstalling",
-               '(default: false)') do |value, options|
+               "(default: false)") do |value, options|
       options[:check_dev] = value
     end
 
-    add_option('-x', '--[no-]executables',
+    add_option("-x", "--[no-]executables",
-                 'Uninstall applicable executables without',
+                 "Uninstall applicable executables without",
-                 'confirmation') do |value, options|
+                 "confirmation") do |value, options|
       options[:executables] = value
     end
 
-    add_option('-i', '--install-dir DIR',
+    add_option("-i", "--install-dir DIR",
-               'Directory to uninstall gem from') do |value, options|
+               "Directory to uninstall gem from") do |value, options|
       options[:install_dir] = File.expand_path(value)
     end
 
-    add_option('-n', '--bindir DIR',
+    add_option("-n", "--bindir DIR",
-               'Directory to remove executables from') do |value, options|
+               "Directory to remove executables from") do |value, options|
       options[:bin_dir] = File.expand_path(value)
     end
 
-    add_option('--[no-]user-install',
+    add_option("--[no-]user-install",
-               'Uninstall from user\'s home directory',
+               "Uninstall from user's home directory",
-               'in addition to GEM_HOME.') do |value, options|
+               "in addition to GEM_HOME.") do |value, options|
       options[:user_install] = value
     end
 
-    add_option('--[no-]format-executable',
+    add_option("--[no-]format-executable",
-               'Assume executable names match Ruby\'s prefix and suffix.') do |value, options|
+               "Assume executable names match Ruby's prefix and suffix.") do |value, options|
       options[:format_executable] = value
     end
 
-    add_option('--[no-]force',
+    add_option("--[no-]force",
-               'Uninstall all versions of the named gems',
+               "Uninstall all versions of the named gems",
-               'ignoring dependencies') do |value, options|
+               "ignoring dependencies") do |value, options|
       options[:force] = value
     end
 
-    add_option('--[no-]abort-on-dependent',
+    add_option("--[no-]abort-on-dependent",
-               'Prevent uninstalling gems that are',
+               "Prevent uninstalling gems that are",
-               'depended on by other gems.') do |value, options|
+               "depended on by other gems.") do |value, options|
       options[:abort_on_dependent] = value
     end
 
     add_version_option
     add_platform_option
 
-    add_option('--vendor',
+    add_option("--vendor",
-               'Uninstall gem from the vendor directory.',
+               "Uninstall gem from the vendor directory.",
-               'Only for use by gem repackagers.') do |value, options|
+               "Only for use by gem repackagers.") do |value, options|
       unless Gem.vendor_dir
-        raise Gem::OptionParser::InvalidOption.new 'your platform is not supported'
+        raise Gem::OptionParser::InvalidOption.new "your platform is not supported"
       end
 
-      alert_warning 'Use your OS package manager to uninstall vendor gems'
+      alert_warning "Use your OS package manager to uninstall vendor gems"
       options[:vendor] = true
       options[:install_dir] = Gem.vendor_dir
     end

lib/rubygems/commands/unpack_command.rb

@@ -1,9 +1,9 @@
 # frozen_string_literal: true
-require_relative '../command'
+require_relative "../command"
-require_relative '../version_option'
+require_relative "../version_option"
-require_relative '../security_option'
+require_relative "../security_option"
-require_relative '../remote_fetcher'
+require_relative "../remote_fetcher"
-require_relative '../package'
+require_relative "../package"
 
 # forward-declare
 
@@ -17,18 +17,18 @@ class Gem::Commands::UnpackCommand < Gem::Command
   include Gem::SecurityOption
 
   def initialize
-    require 'fileutils'
+    require "fileutils"
 
-    super 'unpack', 'Unpack an installed gem to the current directory',
+    super "unpack", "Unpack an installed gem to the current directory",
           :version => Gem::Requirement.default,
           :target  => Dir.pwd
 
-    add_option('--target=DIR',
+    add_option("--target=DIR",
-               'target directory for unpacking') do |value, options|
+               "target directory for unpacking") do |value, options|
       options[:target] = value
     end
 
-    add_option('--spec', 'unpack the gem specification') do |value, options|
+    add_option("--spec", "unpack the gem specification") do |value, options|
       options[:spec] = true
     end
 
@@ -103,11 +103,11 @@ command help for an example.
           end
         end
 
-        File.open destination, 'w' do |io|
+        File.open destination, "w" do |io|
           io.write metadata
         end
       else
-        basename = File.basename path, '.gem'
+        basename = File.basename path, ".gem"
         target_dir = File.expand_path basename, options[:target]
 
         package = Gem::Package.new path, security_policy

lib/rubygems/commands/update_command.rb

@@ -1,13 +1,13 @@
 # frozen_string_literal: true
-require_relative '../command'
+require_relative "../command"
-require_relative '../command_manager'
+require_relative "../command_manager"
-require_relative '../dependency_installer'
+require_relative "../dependency_installer"
-require_relative '../install_update_options'
+require_relative "../install_update_options"
-require_relative '../local_remote_options'
+require_relative "../local_remote_options"
-require_relative '../spec_fetcher'
+require_relative "../spec_fetcher"
-require_relative '../version_option'
+require_relative "../version_option"
-require_relative '../install_message' # must come before rdoc for messaging
+require_relative "../install_message" # must come before rdoc for messaging
-require_relative '../rdoc'
+require_relative "../rdoc"
 
 class Gem::Commands::UpdateCommand < Gem::Command
   include Gem::InstallUpdateOptions
@@ -25,7 +25,7 @@ class Gem::Commands::UpdateCommand < Gem::Command
 
     options.merge!(install_update_options)
 
-    super 'update', 'Update installed gems to the latest version', options
+    super "update", "Update installed gems to the latest version", options
 
     add_install_update_options
 
@@ -35,8 +35,8 @@ class Gem::Commands::UpdateCommand < Gem::Command
       value
     end
 
-    add_option('--system [VERSION]', Gem::Version,
+    add_option("--system [VERSION]", Gem::Version,
-               'Update the RubyGems system software') do |value, options|
+               "Update the RubyGems system software") do |value, options|
       value = true unless value
 
       options[:system] = value
@@ -166,13 +166,8 @@ command to remove old versions.
   def highest_remote_name_tuple(spec) # :nodoc:
     spec_tuples = fetch_remote_gems spec
 
-    matching_gems = spec_tuples.select do |g,_|
+    highest_remote_gem = spec_tuples.max
-      g.name == spec.name and g.match_platform?
+    return unless highest_remote_gem
-    end
-
-    highest_remote_gem = matching_gems.max
-
-    highest_remote_gem ||= [Gem::NameTuple.null]
 
     highest_remote_gem.first
   end
@@ -181,13 +176,13 @@ command to remove old versions.
     args = update_rubygems_arguments
     version = spec.version
 
-    update_dir = File.join spec.base_dir, 'gems', "rubygems-update-#{version}"
+    update_dir = File.join spec.base_dir, "gems", "rubygems-update-#{version}"
 
     Dir.chdir update_dir do
       say "Installing RubyGems #{version}" unless options[:silent]
 
       installed = preparing_gem_layout_for(version) do
-        system Gem.ruby, '--disable-gems', 'setup.rb', *args
+        system Gem.ruby, "--disable-gems", "setup.rb", *args
       end
 
       say "RubyGems system software updated" if installed unless options[:silent]
@@ -218,30 +213,22 @@ command to remove old versions.
     version = options[:system]
     update_latest = version == true
 
-    if update_latest
+    unless update_latest
-      version     = Gem::Version.new     Gem::VERSION
-      requirement = Gem::Requirement.new ">= #{Gem::VERSION}"
-    else
       version     = Gem::Version.new     version
       requirement = Gem::Requirement.new version
+
+      return version, requirement
     end
 
+    version     = Gem::Version.new     Gem::VERSION
+    requirement = Gem::Requirement.new ">= #{Gem::VERSION}"
+
     rubygems_update         = Gem::Specification.new
-    rubygems_update.name    = 'rubygems-update'
+    rubygems_update.name    = "rubygems-update"
     rubygems_update.version = version
 
-    hig = {
+    highest_remote_tup = highest_remote_name_tuple(rubygems_update)
-      'rubygems-update' => rubygems_update,
+    target = highest_remote_tup ? highest_remote_tup.version : version
-    }
-
-    gems_to_update = which_to_update hig, options[:args], :system
-    up_ver = gems_to_update.first.version
-
-    target = if update_latest
-      up_ver
-    else
-      version
-    end
 
     return target, requirement
   end
@@ -291,8 +278,8 @@ command to remove old versions.
 
     check_oldest_rubygems version
 
-    installed_gems = Gem::Specification.find_all_by_name 'rubygems-update', requirement
+    installed_gems = Gem::Specification.find_all_by_name "rubygems-update", requirement
-    installed_gems = update_gem('rubygems-update', version) if installed_gems.empty? || installed_gems.first.version != version
+    installed_gems = update_gem("rubygems-update", version) if installed_gems.empty? || installed_gems.first.version != version
     return if installed_gems.empty?
 
     install_rubygems installed_gems.first
@@ -300,17 +287,17 @@ command to remove old versions.
 
   def update_rubygems_arguments # :nodoc:
     args = []
-    args << '--silent' if options[:silent]
+    args << "--silent" if options[:silent]
-    args << '--prefix' << Gem.prefix if Gem.prefix
+    args << "--prefix" << Gem.prefix if Gem.prefix
-    args << '--no-document' unless options[:document].include?('rdoc') || options[:document].include?('ri')
+    args << "--no-document" unless options[:document].include?("rdoc") || options[:document].include?("ri")
-    args << '--no-format-executable' if options[:no_format_executable]
+    args << "--no-format-executable" if options[:no_format_executable]
-    args << '--previous-version' << Gem::VERSION if
+    args << "--previous-version" << Gem::VERSION if
       options[:system] == true or
         Gem::Version.new(options[:system]) >= Gem::Version.new(2)
     args
   end
 
-  def which_to_update(highest_installed_gems, gem_names, system = false)
+  def which_to_update(highest_installed_gems, gem_names)
     result = []
 
     highest_installed_gems.each do |l_name, l_spec|
@@ -318,12 +305,9 @@ command to remove old versions.
               gem_names.none? {|name| name == l_spec.name }
 
       highest_remote_tup = highest_remote_name_tuple l_spec
-      highest_remote_ver = highest_remote_tup.version
+      next unless highest_remote_tup
-      highest_installed_ver = l_spec.version
 
-      if system or (highest_installed_ver < highest_remote_ver)
+      result << highest_remote_tup
-        result << Gem::NameTuple.new(l_spec.name, [highest_installed_ver, highest_remote_ver].max, highest_remote_tup.platform)
-      end
     end
 
     result

lib/rubygems/commands/which_command.rb

@@ -1,17 +1,17 @@
 # frozen_string_literal: true
-require_relative '../command'
+require_relative "../command"
 
 class Gem::Commands::WhichCommand < Gem::Command
   def initialize
-    super 'which', 'Find the location of a library file you can require',
+    super "which", "Find the location of a library file you can require",
           :search_gems_first => false, :show_all => false
 
-    add_option '-a', '--[no-]all', 'show all matching files' do |show_all, options|
+    add_option "-a", "--[no-]all", "show all matching files" do |show_all, options|
       options[:show_all] = show_all
     end
 
-    add_option '-g', '--[no-]gems-first',
+    add_option "-g", "--[no-]gems-first",
-               'search gems before non-gems' do |gems_first, options|
+               "search gems before non-gems" do |gems_first, options|
       options[:search_gems_first] = gems_first
     end
   end
@@ -39,7 +39,7 @@ requiring to see why it does not behave as you expect.
     found = true
 
     options[:args].each do |arg|
-      arg = arg.sub(/#{Regexp.union(*Gem.suffixes)}$/, '')
+      arg = arg.sub(/#{Regexp.union(*Gem.suffixes)}$/, "")
       dirs = $LOAD_PATH
 
       spec = Gem::Specification.find_by_path arg

lib/rubygems/commands/yank_command.rb

@@ -1,8 +1,8 @@
 # frozen_string_literal: true
-require_relative '../command'
+require_relative "../command"
-require_relative '../local_remote_options'
+require_relative "../local_remote_options"
-require_relative '../version_option'
+require_relative "../version_option"
-require_relative '../gemcutter_utilities'
+require_relative "../gemcutter_utilities"
 
 class Gem::Commands::YankCommand < Gem::Command
   include Gem::LocalRemoteOptions
@@ -28,15 +28,15 @@ data you will need to change them immediately and yank your gem.
   end
 
   def initialize
-    super 'yank', 'Remove a pushed gem from the index'
+    super "yank", "Remove a pushed gem from the index"
 
     add_version_option("remove")
     add_platform_option("remove")
     add_otp_option
 
-    add_option('--host HOST',
+    add_option("--host HOST",
-               'Yank from another gemcutter-compatible host',
+               "Yank from another gemcutter-compatible host",
-               '  (e.g. https://rubygems.org)') do |value, options|
+               "  (e.g. https://rubygems.org)") do |value, options|
       options[:host] = value
     end
 
@@ -76,10 +76,10 @@ data you will need to change them immediately and yank your gem.
       request.add_field("Authorization", api_key)
 
       data = {
-        'gem_name' => name,
+        "gem_name" => name,
-        'version' => version,
+        "version" => version,
       }
-      data['platform'] = platform if platform
+      data["platform"] = platform if platform
 
       request.set_form_data data
     end

lib/rubygems/config_file.rb

@@ -5,8 +5,8 @@
 # See LICENSE.txt for permissions.
 #++
 
-require_relative 'user_interaction'
+require_relative "user_interaction"
-require 'rbconfig'
+require "rbconfig"
 
 ##
 # Gem::ConfigFile RubyGems options and gem command options from gemrc.
@@ -71,7 +71,7 @@ class Gem::ConfigFile
 
   # :startdoc:
 
-  SYSTEM_WIDE_CONFIG_FILE = File.join SYSTEM_CONFIG_PATH, 'gemrc'
+  SYSTEM_WIDE_CONFIG_FILE = File.join SYSTEM_CONFIG_PATH, "gemrc"
 
   ##
   # List of arguments supplied to the config file object.
@@ -182,20 +182,20 @@ class Gem::ConfigFile
     @update_sources = DEFAULT_UPDATE_SOURCES
     @concurrent_downloads = DEFAULT_CONCURRENT_DOWNLOADS
     @cert_expiration_length_days = DEFAULT_CERT_EXPIRATION_LENGTH_DAYS
-    @ipv4_fallback_enabled = ENV['IPV4_FALLBACK_ENABLED'] == 'true' || DEFAULT_IPV4_FALLBACK_ENABLED
+    @ipv4_fallback_enabled = ENV["IPV4_FALLBACK_ENABLED"] == "true" || DEFAULT_IPV4_FALLBACK_ENABLED
 
     operating_system_config = Marshal.load Marshal.dump(OPERATING_SYSTEM_DEFAULTS)
     platform_config = Marshal.load Marshal.dump(PLATFORM_DEFAULTS)
     system_config = load_file SYSTEM_WIDE_CONFIG_FILE
     user_config = load_file config_file_name.dup.tap(&Gem::UNTAINT)
 
-    environment_config = (ENV['GEMRC'] || '')
+    environment_config = (ENV["GEMRC"] || "")
       .split(File::PATH_SEPARATOR).inject({}) do |result, file|
         result.merge load_file file
       end
 
     @hash = operating_system_config.merge platform_config
-    unless args.index '--norc'
+    unless args.index "--norc"
       @hash = @hash.merge system_config
       @hash = @hash.merge user_config
       @hash = @hash.merge environment_config
@@ -269,7 +269,7 @@ if you believe they were disclosed to a third party.
   # Location of RubyGems.org credentials
 
   def credentials_path
-    credentials = File.join Gem.user_home, '.gem', 'credentials'
+    credentials = File.join Gem.user_home, ".gem", "credentials"
     if File.exist? credentials
       credentials
     else
@@ -320,13 +320,13 @@ if you believe they were disclosed to a third party.
     config = load_file(credentials_path).merge(host => api_key)
 
     dirname = File.dirname credentials_path
-    require 'fileutils'
+    require "fileutils"
     FileUtils.mkdir_p(dirname)
 
     Gem.load_yaml
 
     permissions = 0600 & (~File.umask)
-    File.open(credentials_path, 'w', permissions) do |f|
+    File.open(credentials_path, "w", permissions) do |f|
       f.write config.to_yaml
     end
 
@@ -389,7 +389,7 @@ if you believe they were disclosed to a third party.
     yield :backtrace, @backtrace
     yield :bulk_threshold, @bulk_threshold
 
-    yield 'config_file_name', @config_file_name if @config_file_name
+    yield "config_file_name", @config_file_name if @config_file_name
 
     hash.each(&block)
   end
@@ -405,7 +405,7 @@ if you believe they were disclosed to a third party.
       when /^--debug$/ then
         $DEBUG = true
 
-        warn 'NOTE:  Debugging mode prints all exceptions even when rescued'
+        warn "NOTE:  Debugging mode prints all exceptions even when rescued"
       else
         @args << arg
       end
@@ -444,7 +444,7 @@ if you believe they were disclosed to a third party.
       @hash[:ssl_client_cert] if @hash.key? :ssl_client_cert
 
     keys = yaml_hash.keys.map {|key| key.to_s }
-    keys << 'debug'
+    keys << "debug"
     re = Regexp.union(*keys)
 
     @hash.each do |key, value|
@@ -458,10 +458,10 @@ if you believe they were disclosed to a third party.
 
   # Writes out this config file, replacing its source.
   def write
-    require 'fileutils'
+    require "fileutils"
     FileUtils.mkdir_p File.dirname(config_file_name)
 
-    File.open config_file_name, 'w' do |io|
+    File.open config_file_name, "w" do |io|
       io.write to_yaml
     end
   end

lib/rubygems/core_ext/kernel_gem.rb

@@ -39,7 +39,7 @@ module Kernel
   #   GEM_SKIP=libA:libB ruby -I../libA -I../libB ./mycode.rb
 
   def gem(gem_name, *requirements) # :doc:
-    skip_list = (ENV['GEM_SKIP'] || "").split(/:/)
+    skip_list = (ENV["GEM_SKIP"] || "").split(/:/)
     raise Gem::LoadError, "skipping #{gem_name}" if skip_list.include? gem_name
 
     if gem_name.kind_of? Gem::Dependency

lib/rubygems/core_ext/kernel_require.rb

@@ -5,7 +5,7 @@
 # See LICENSE.txt for permissions.
 #++
 
-require 'monitor'
+require "monitor"
 
 module Kernel
 

lib/rubygems/core_ext/kernel_warn.rb

@@ -39,7 +39,7 @@ if RUBY_VERSION >= "2.5" && !Gem::KERNEL_WARN_IGNORES_INTERNAL_ENTRIES
           start += 1
 
           if path = loc.path
-            unless path.start_with?(rubygems_path) or path.start_with?('<internal:')
+            unless path.start_with?(rubygems_path) or path.start_with?("<internal:")
               # Non-rubygems frames
               uplevel -= 1
             end

lib/rubygems/core_ext/tcpsocket_init.rb

@@ -1,4 +1,4 @@
-require 'socket'
+require "socket"
 
 module CoreExtensions
   module TCPSocketExt

lib/rubygems/defaults.rb

@@ -20,10 +20,10 @@ module Gem
   # specified in the environment
 
   def self.default_spec_cache_dir
-    default_spec_cache_dir = File.join Gem.user_home, '.gem', 'specs'
+    default_spec_cache_dir = File.join Gem.user_home, ".gem", "specs"
 
     unless File.exist?(default_spec_cache_dir)
-      default_spec_cache_dir = File.join Gem.data_home, 'gem', 'specs'
+      default_spec_cache_dir = File.join Gem.data_home, "gem", "specs"
     end
 
     default_spec_cache_dir
@@ -34,7 +34,7 @@ module Gem
   # specified in the environment
 
   def self.default_dir
-    @default_dir ||= File.join(RbConfig::CONFIG['rubylibprefix'], 'gems', RbConfig::CONFIG['ruby_version'])
+    @default_dir ||= File.join(RbConfig::CONFIG["rubylibprefix"], "gems", RbConfig::CONFIG["ruby_version"])
   end
 
   ##
@@ -81,7 +81,7 @@ module Gem
     Dir.home.dup
   rescue
     if Gem.win_platform?
-      File.expand_path File.join(ENV['HOMEDRIVE'] || ENV['SystemDrive'], '/')
+      File.expand_path File.join(ENV["HOMEDRIVE"] || ENV["SystemDrive"], "/")
     else
       File.expand_path "/"
     end
@@ -103,7 +103,7 @@ module Gem
     gem_dir = File.join(Gem.user_home, ".gem")
     gem_dir = File.join(Gem.data_home, "gem") unless File.exist?(gem_dir)
     parts = [gem_dir, ruby_engine]
-    parts << RbConfig::CONFIG['ruby_version'] unless RbConfig::CONFIG['ruby_version'].empty?
+    parts << RbConfig::CONFIG["ruby_version"] unless RbConfig::CONFIG["ruby_version"].empty?
     File.join parts
   end
 
@@ -111,14 +111,14 @@ module Gem
   # The path to standard location of the user's configuration directory.
 
   def self.config_home
-    @config_home ||= (ENV["XDG_CONFIG_HOME"] || File.join(Gem.user_home, '.config'))
+    @config_home ||= (ENV["XDG_CONFIG_HOME"] || File.join(Gem.user_home, ".config"))
   end
 
   ##
   # Finds the user's config file
 
   def self.find_config_file
-    gemrc = File.join Gem.user_home, '.gemrc'
+    gemrc = File.join Gem.user_home, ".gemrc"
     if File.exist? gemrc
       gemrc
     else
@@ -137,14 +137,14 @@ module Gem
   # The path to standard location of the user's cache directory.
 
   def self.cache_home
-    @cache_home ||= (ENV["XDG_CACHE_HOME"] || File.join(Gem.user_home, '.cache'))
+    @cache_home ||= (ENV["XDG_CACHE_HOME"] || File.join(Gem.user_home, ".cache"))
   end
 
   ##
   # The path to standard location of the user's data directory.
 
   def self.data_home
-    @data_home ||= (ENV["XDG_DATA_HOME"] || File.join(Gem.user_home, '.local', 'share'))
+    @data_home ||= (ENV["XDG_DATA_HOME"] || File.join(Gem.user_home, ".local", "share"))
   end
 
   ##
@@ -169,7 +169,7 @@ module Gem
   # Deduce Ruby's --program-prefix and --program-suffix from its install name
 
   def self.default_exec_format
-    exec_format = RbConfig::CONFIG['ruby_install_name'].sub('ruby', '%s') rescue '%s'
+    exec_format = RbConfig::CONFIG["ruby_install_name"].sub("ruby", "%s") rescue "%s"
 
     unless exec_format =~ /%s/
       raise Gem::Exception,
@@ -183,7 +183,7 @@ module Gem
   # The default directory for binaries
 
   def self.default_bindir
-    RbConfig::CONFIG['bindir']
+    RbConfig::CONFIG["bindir"]
   end
 
   def self.ruby_engine
@@ -227,14 +227,14 @@ module Gem
   # Directory where vendor gems are installed.
 
   def self.vendor_dir # :nodoc:
-    if vendor_dir = ENV['GEM_VENDOR']
+    if vendor_dir = ENV["GEM_VENDOR"]
       return vendor_dir.dup
     end
 
-    return nil unless RbConfig::CONFIG.key? 'vendordir'
+    return nil unless RbConfig::CONFIG.key? "vendordir"
 
-    File.join RbConfig::CONFIG['vendordir'], 'gems',
+    File.join RbConfig::CONFIG["vendordir"], "gems",
-              RbConfig::CONFIG['ruby_version']
+              RbConfig::CONFIG["ruby_version"]
   end
 
   ##

lib/rubygems/dependency.rb

@@ -97,14 +97,14 @@ class Gem::Dependency
   end
 
   def pretty_print(q) # :nodoc:
-    q.group 1, 'Gem::Dependency.new(', ')' do
+    q.group 1, "Gem::Dependency.new(", ")" do
       q.pp name
-      q.text ','
+      q.text ","
       q.breakable
 
       q.pp requirement
 
-      q.text ','
+      q.text ","
       q.breakable
 
       q.pp type
@@ -197,7 +197,7 @@ class Gem::Dependency
     reqs = other.requirement.requirements
 
     return false unless reqs.length == 1
-    return false unless reqs.first.first == '='
+    return false unless reqs.first.first == "="
 
     version = reqs.first.last
 

lib/rubygems/dependency_installer.rb

@@ -1,12 +1,12 @@
 # frozen_string_literal: true
-require_relative '../rubygems'
+require_relative "../rubygems"
-require_relative 'dependency_list'
+require_relative "dependency_list"
-require_relative 'package'
+require_relative "package"
-require_relative 'installer'
+require_relative "installer"
-require_relative 'spec_fetcher'
+require_relative "spec_fetcher"
-require_relative 'user_interaction'
+require_relative "user_interaction"
-require_relative 'available_set'
+require_relative "available_set"
-require_relative 'deprecate'
+require_relative "deprecate"
 
 ##
 # Installs a gem along with all its dependencies from local and remote gems.

lib/rubygems/dependency_list.rb

@@ -5,8 +5,8 @@
 # See LICENSE.txt for permissions.
 #++
 
-require_relative 'tsort'
+require_relative "tsort"
-require_relative 'deprecate'
+require_relative "deprecate"
 
 ##
 # Gem::DependencyList is used for installing and uninstalling gems in the

lib/rubygems/doctor.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
-require_relative '../rubygems'
+require_relative "../rubygems"
-require_relative 'user_interaction'
+require_relative "user_interaction"
 
 ##
 # Cleans up after a partially-failed uninstall or for an invalid
@@ -19,13 +19,13 @@ class Gem::Doctor
   # subdirectory.
 
   REPOSITORY_EXTENSION_MAP = [ # :nodoc:
-    ['specifications', '.gemspec'],
+    ["specifications", ".gemspec"],
-    ['build_info',     '.info'],
+    ["build_info",     ".info"],
-    ['cache',          '.gem'],
+    ["cache",          ".gem"],
-    ['doc',            ''],
+    ["doc",            ""],
-    ['extensions',     ''],
+    ["extensions",     ""],
-    ['gems',           ''],
+    ["gems",           ""],
-    ['plugins',        ''],
+    ["plugins",        ""],
   ].freeze
 
   missing =
@@ -74,8 +74,8 @@ class Gem::Doctor
     Gem.use_paths @gem_repository.to_s
 
     unless gem_repository?
-      say 'This directory does not appear to be a RubyGems repository, ' +
+      say "This directory does not appear to be a RubyGems repository, " +
-          'skipping'
+          "skipping"
       say
       return
     end
@@ -111,16 +111,16 @@ class Gem::Doctor
       basename = File.basename(child, extension)
       next if installed_specs.include? basename
       next if /^rubygems-\d/ =~ basename
-      next if 'specifications' == sub_directory and 'default' == basename
+      next if "specifications" == sub_directory and "default" == basename
-      next if 'plugins' == sub_directory and Gem.plugin_suffix_regexp =~ basename
+      next if "plugins" == sub_directory and Gem.plugin_suffix_regexp =~ basename
 
-      type = File.directory?(child) ? 'directory' : 'file'
+      type = File.directory?(child) ? "directory" : "file"
 
       action = if @dry_run
-        'Extra'
+        "Extra"
       else
         FileUtils.rm_r(child)
-        'Removed'
+        "Removed"
       end
 
       say "#{action} #{type} #{sub_directory}/#{File.basename(child)}"

lib/rubygems/errors.rb

@@ -136,8 +136,8 @@ module Gem
       "Found %s (%s), but was for platform%s %s" %
         [@name,
          @version,
-         @platforms.size == 1 ? '' : 's',
+         @platforms.size == 1 ? "" : "s",
-         @platforms.join(' ,')]
+         @platforms.join(" ,")]
     end
   end
 

lib/rubygems/exceptions.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
-require_relative 'deprecate'
+require_relative "deprecate"
-require_relative 'unknown_command_spell_checker'
+require_relative "unknown_command_spell_checker"
 
 ##
 # Base exception class for RubyGems.  All exception raised by RubyGems are a
@@ -27,7 +27,7 @@ class Gem::UnknownCommandError < Gem::Exception
       if DidYouMean.respond_to?(:correct_error)
         DidYouMean.correct_error(Gem::UnknownCommandError, Gem::UnknownCommandSpellChecker)
       else
-        DidYouMean::SPELL_CHECKERS['Gem::UnknownCommandError'] =
+        DidYouMean::SPELL_CHECKERS["Gem::UnknownCommandError"] =
           Gem::UnknownCommandSpellChecker
 
         prepend DidYouMean::Correctable
@@ -154,7 +154,7 @@ class Gem::ImpossibleDependenciesError < Gem::Exception
 
   def build_message # :nodoc:
     requester  = @request.requester
-    requester  = requester ? requester.spec.full_name : 'The user'
+    requester  = requester ? requester.spec.full_name : "The user"
     dependency = @request.dependency
 
     message = "#{requester} requires #{dependency} but it conflicted:\n".dup

lib/rubygems/ext.rb

@@ -10,10 +10,10 @@
 
 module Gem::Ext; end
 
-require_relative 'ext/build_error'
+require_relative "ext/build_error"
-require_relative 'ext/builder'
+require_relative "ext/builder"
-require_relative 'ext/configure_builder'
+require_relative "ext/configure_builder"
-require_relative 'ext/ext_conf_builder'
+require_relative "ext/ext_conf_builder"
-require_relative 'ext/rake_builder'
+require_relative "ext/rake_builder"
-require_relative 'ext/cmake_builder'
+require_relative "ext/cmake_builder"
-require_relative 'ext/cargo_builder'
+require_relative "ext/cargo_builder"

lib/rubygems/ext/build_error.rb

@@ -2,7 +2,7 @@
 ##
 # Raised when there is an error while building extensions.
 
-require_relative '../exceptions'
+require_relative "../exceptions"
 
 class Gem::Ext::BuildError < Gem::InstallError
 end

lib/rubygems/ext/builder.rb

@@ -5,7 +5,7 @@
 # See LICENSE.txt for permissions.
 #++
 
-require_relative '../user_interaction'
+require_relative "../user_interaction"
 
 class Gem::Ext::Builder
   include Gem::UserInteraction
@@ -18,29 +18,29 @@ class Gem::Ext::Builder
   end
 
   def self.make(dest_path, results, make_dir = Dir.pwd, sitedir = nil)
-    unless File.exist? File.join(make_dir, 'Makefile')
+    unless File.exist? File.join(make_dir, "Makefile")
-      raise Gem::InstallError, 'Makefile not found'
+      raise Gem::InstallError, "Makefile not found"
     end
 
     # try to find make program from Ruby configure arguments first
-    RbConfig::CONFIG['configure_args'] =~ /with-make-prog\=(\w+)/
+    RbConfig::CONFIG["configure_args"] =~ /with-make-prog\=(\w+)/
-    make_program_name = ENV['MAKE'] || ENV['make'] || $1
+    make_program_name = ENV["MAKE"] || ENV["make"] || $1
     unless make_program_name
-      make_program_name = (/mswin/ =~ RUBY_PLATFORM) ? 'nmake' : 'make'
+      make_program_name = (/mswin/ =~ RUBY_PLATFORM) ? "nmake" : "make"
     end
     make_program = Shellwords.split(make_program_name)
 
     # The installation of the bundled gems is failed when DESTDIR is empty in mswin platform.
-    destdir = (/\bnmake/i !~ make_program_name || ENV['DESTDIR'] && ENV['DESTDIR'] != "") ? 'DESTDIR=%s' % ENV['DESTDIR'] : ''
+    destdir = (/\bnmake/i !~ make_program_name || ENV["DESTDIR"] && ENV["DESTDIR"] != "") ? "DESTDIR=%s" % ENV["DESTDIR"] : ""
 
     env = [destdir]
 
     if sitedir
-      env << 'sitearchdir=%s' % sitedir
+      env << "sitearchdir=%s" % sitedir
-      env << 'sitelibdir=%s' % sitedir
+      env << "sitelibdir=%s" % sitedir
     end
 
-    ['clean', '', 'install'].each do |target|
+    ["clean", "", "install"].each do |target|
       # Pass DESTDIR via command line to override what's in MAKEFLAGS
       cmd = [
         *make_program,
@@ -50,7 +50,7 @@ class Gem::Ext::Builder
       begin
         run(cmd, results, "make #{target}".rstrip, make_dir)
       rescue Gem::InstallError
-        raise unless target == 'clean' # ignore clean failure
+        raise unless target == "clean" # ignore clean failure
       end
     end
   end
@@ -59,7 +59,7 @@ class Gem::Ext::Builder
     verbose = Gem.configuration.really_verbose
 
     begin
-      rubygems_gemdeps, ENV['RUBYGEMS_GEMDEPS'] = ENV['RUBYGEMS_GEMDEPS'], nil
+      rubygems_gemdeps, ENV["RUBYGEMS_GEMDEPS"] = ENV["RUBYGEMS_GEMDEPS"], nil
       if verbose
         puts("current directory: #{dir}")
         p(command)
@@ -70,7 +70,7 @@ class Gem::Ext::Builder
 
       require "open3"
       # Set $SOURCE_DATE_EPOCH for the subprocess.
-      build_env = { 'SOURCE_DATE_EPOCH' => Gem.source_date_epoch_string }.merge(env)
+      build_env = { "SOURCE_DATE_EPOCH" => Gem.source_date_epoch_string }.merge(env)
       output, status = begin
                          Open3.capture2e(build_env, *command, :chdir => dir)
                        rescue => error
@@ -82,7 +82,7 @@ class Gem::Ext::Builder
         results << output
       end
     ensure
-      ENV['RUBYGEMS_GEMDEPS'] = rubygems_gemdeps
+      ENV["RUBYGEMS_GEMDEPS"] = rubygems_gemdeps
     end
 
     unless status.success?
@@ -212,11 +212,11 @@ EOF
   # Writes +output+ to gem_make.out in the extension install directory.
 
   def write_gem_make_out(output) # :nodoc:
-    destination = File.join @spec.extension_dir, 'gem_make.out'
+    destination = File.join @spec.extension_dir, "gem_make.out"
 
     FileUtils.mkdir_p @spec.extension_dir
 
-    File.open destination, 'wb' do |io|
+    File.open destination, "wb" do |io|
       io.puts output
     end
 

lib/rubygems/ext/cargo_builder.rb

@@ -29,14 +29,14 @@ class Gem::Ext::CargoBuilder < Gem::Ext::Builder
   def build_crate(dest_path, results, args, cargo_dir)
     env = build_env
     cmd = cargo_command(cargo_dir, dest_path, args)
-    runner.call cmd, results, 'cargo', cargo_dir, env
+    runner.call cmd, results, "cargo", cargo_dir, env
 
     results
   end
 
   def build_env
     build_env = rb_config_env
-    build_env["RUBY_STATIC"] = "true" if ruby_static? && ENV.key?('RUBY_STATIC')
+    build_env["RUBY_STATIC"] = "true" if ruby_static? && ENV.key?("RUBY_STATIC")
     build_env
   end
 
@@ -46,7 +46,7 @@ class Gem::Ext::CargoBuilder < Gem::Ext::Builder
 
     cmd = []
     cmd += [cargo, "rustc"]
-    cmd += ["--target", ENV['CARGO_BUILD_TARGET']] if ENV['CARGO_BUILD_TARGET']
+    cmd += ["--target", ENV["CARGO_BUILD_TARGET"]] if ENV["CARGO_BUILD_TARGET"]
     cmd += ["--target-dir", dest_path]
     cmd += ["--manifest-path", manifest]
     cmd += ["--lib"]
@@ -144,13 +144,13 @@ class Gem::Ext::CargoBuilder < Gem::Ext::Builder
   def cargo_dylib_path(dest_path)
     prefix = so_ext == "dll" ? "" : "lib"
     path_parts = [dest_path]
-    path_parts << ENV['CARGO_BUILD_TARGET'] if ENV['CARGO_BUILD_TARGET']
+    path_parts << ENV["CARGO_BUILD_TARGET"] if ENV["CARGO_BUILD_TARGET"]
     path_parts += [profile_target_directory, "#{prefix}#{cargo_crate_name}.#{so_ext}"]
     File.join(*path_parts)
   end
 
   def cargo_crate_name
-    spec.metadata.fetch('cargo_crate_name', spec.name).tr('-', '_')
+    spec.metadata.fetch("cargo_crate_name", spec.name).tr("-", "_")
   end
 
   def rustc_dynamic_linker_flags(dest_dir)
@@ -297,8 +297,8 @@ class Gem::Ext::CargoBuilder < Gem::Ext::Builder
 
   def profile_target_directory
     case profile
-    when :release then 'release'
+    when :release then "release"
-    when :dev     then 'debug'
+    when :dev     then "debug"
     else          raise "unknown target directory for profile: #{profile}"
     end
   end

lib/rubygems/ext/cmake_builder.rb

@@ -2,8 +2,8 @@
 
 class Gem::Ext::CmakeBuilder < Gem::Ext::Builder
   def self.build(extension, dest_path, results, args=[], lib_dir=nil, cmake_dir=Dir.pwd)
-    unless File.exist?(File.join(cmake_dir, 'Makefile'))
+    unless File.exist?(File.join(cmake_dir, "Makefile"))
-      require_relative '../command'
+      require_relative "../command"
       cmd = ["cmake", ".", "-DCMAKE_INSTALL_PREFIX=#{dest_path}", *Gem::Command.build_args]
 
       run cmd, results, class_name, cmake_dir

lib/rubygems/ext/configure_builder.rb

@@ -7,7 +7,7 @@
 
 class Gem::Ext::ConfigureBuilder < Gem::Ext::Builder
   def self.build(extension, dest_path, results, args=[], lib_dir=nil, configure_dir=Dir.pwd)
-    unless File.exist?(File.join(configure_dir, 'Makefile'))
+    unless File.exist?(File.join(configure_dir, "Makefile"))
       cmd = ["sh", "./configure", "--prefix=#{dest_path}", *args]
 
       run cmd, results, class_name, configure_dir