add tag v1_9_3_426

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_9_3_426@40733 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

29 files changed, 3348 insertions, 0 deletions

diff --git a/ruby_1_9_3/lib/rubygems/commands/build_command.rb b/ruby_1_9_3/lib/rubygems/commands/build_command.rb
new file mode 100644
index 0000000000..36a6fe48f2
--- /dev/null
+++ b/ruby_1_9_3/lib/rubygems/commands/build_command.rb
@@ -0,0 +1,59 @@
+require 'rubygems/command'
+require 'rubygems/builder'
+
+class Gem::Commands::BuildCommand < Gem::Command
+
+  def initialize
+    super 'build', 'Build a gem from a gemspec'
+
+    add_option '--force', 'skip validation of the spec' do |value, options|
+      options[:force] = true
+    end
+  end
+
+  def arguments # :nodoc:
+    "GEMSPEC_FILE  gemspec file name to build a gem for"
+  end
+
+  def usage # :nodoc:
+    "#{program_name} GEMSPEC_FILE"
+  end
+
+  def execute
+    gemspec = get_one_gem_name
+
+    if File.exist? gemspec
+      spec = load_gemspec gemspec
+
+      if spec then
+        Gem::Builder.new(spec).build options[:force]
+      else
+        alert_error "Error loading gemspec. Aborting."
+        terminate_interaction 1
+      end
+    else
+      alert_error "Gemspec file not found: #{gemspec}"
+      terminate_interaction 1
+    end
+  end
+
+  def load_gemspec filename
+    if yaml?(filename)
+      open(filename) do |f|
+        begin
+          Gem::Specification.from_yaml(f)
+        rescue Gem::EndOfYAMLException
+          nil
+        end
+      end
+    else
+      Gem::Specification.load(filename) # can return nil
+    end
+  end
+
+  def yaml?(filename)
+    line = open(filename) { |f| line = f.gets }
+    result = line =~ %r{!ruby/object:Gem::Specification}
+    result
+  end
+end
diff --git a/ruby_1_9_3/lib/rubygems/commands/cert_command.rb b/ruby_1_9_3/lib/rubygems/commands/cert_command.rb
new file mode 100644
index 0000000000..b416b3863d
--- /dev/null
+++ b/ruby_1_9_3/lib/rubygems/commands/cert_command.rb
@@ -0,0 +1,86 @@
+require 'rubygems/command'
+require 'rubygems/security'
+
+class Gem::Commands::CertCommand < Gem::Command
+
+  def initialize
+    super 'cert', 'Manage RubyGems certificates and signing settings'
+
+    add_option('-a', '--add CERT',
+               'Add a trusted certificate.') do |value, options|
+      cert = OpenSSL::X509::Certificate.new(File.read(value))
+      Gem::Security.add_trusted_cert(cert)
+      say "Added '#{cert.subject.to_s}'"
+    end
+
+    add_option('-l', '--list',
+               'List trusted certificates.') do |value, options|
+      glob_str = File::join(Gem::Security::OPT[:trust_dir], '*.pem')
+      Dir::glob(glob_str) do |path|
+        begin
+          cert = OpenSSL::X509::Certificate.new(File.read(path))
+          # this could probably be formatted more gracefully
+          say cert.subject.to_s
+        rescue OpenSSL::X509::CertificateError
+          next
+        end
+      end
+    end
+
+    add_option('-r', '--remove STRING',
+               'Remove trusted certificates containing',
+               'STRING.') do |value, options|
+      trust_dir = Gem::Security::OPT[:trust_dir]
+      glob_str = File::join(trust_dir, '*.pem')
+
+      Dir::glob(glob_str) do |path|
+        begin
+          cert = OpenSSL::X509::Certificate.new(File.read(path))
+          if cert.subject.to_s.downcase.index(value)
+            say "Removed '#{cert.subject.to_s}'"
+            File.unlink(path)
+          end
+        rescue OpenSSL::X509::CertificateError
+          next
+        end
+      end
+    end
+
+    add_option('-b', '--build EMAIL_ADDR',
+               'Build private key and self-signed',
+               'certificate for EMAIL_ADDR.') do |value, options|
+      vals = Gem::Security.build_self_signed_cert(value)
+      FileUtils.chmod 0600, vals[:key_path]
+      say "Public Cert: #{vals[:cert_path]}"
+      say "Private Key: #{vals[:key_path]}"
+      say "Don't forget to move the key file to somewhere private..."
+    end
+
+    add_option('-C', '--certificate CERT',
+               'Certificate for --sign command.') do |value, options|
+      cert = OpenSSL::X509::Certificate.new(File.read(value))
+      options[:issuer_cert] = cert
+    end
+
+    add_option('-K', '--private-key KEY',
+               'Private key for --sign command.') do |value, options|
+      key = OpenSSL::PKey::RSA.new(File.read(value))
+      options[:issuer_key] = key
+    end
+
+    add_option('-s', '--sign NEWCERT',
+               'Sign a certificate with my key and',
+               'certificate.') do |value, options|
+      cert = OpenSSL::X509::Certificate.new(File.read(value))
+      my_cert = options[:issuer_cert]
+      my_key = options[:issuer_key]
+      cert = Gem::Security.sign_cert(cert, my_key, my_cert)
+      File.open(value, 'wb') { |file| file.write(cert.to_pem) }
+    end
+  end
+
+  def execute
+  end
+
+end
+
diff --git a/ruby_1_9_3/lib/rubygems/commands/check_command.rb b/ruby_1_9_3/lib/rubygems/commands/check_command.rb
new file mode 100644
index 0000000000..5a1bfd4f12
--- /dev/null
+++ b/ruby_1_9_3/lib/rubygems/commands/check_command.rb
@@ -0,0 +1,65 @@
+require 'rubygems/command'
+require 'rubygems/version_option'
+require 'rubygems/validator'
+
+class Gem::Commands::CheckCommand < Gem::Command
+
+  include Gem::VersionOption
+
+  def initialize
+    super 'check', 'Check installed gems',
+          :verify => false, :alien => false
+
+    add_option(      '--verify FILE',
+               'Verify gem file against its internal',
+               'checksum') do |value, options|
+      options[:verify] = value
+    end
+
+    add_option('-a', '--alien', "Report 'unmanaged' or rogue files in the",
+               "gem repository") do |value, options|
+      options[:alien] = true
+    end
+
+    add_version_option 'check'
+  end
+
+  def execute
+    if options[:alien]
+      say "Performing the 'alien' operation"
+      say
+      gems = get_all_gem_names rescue []
+      Gem::Validator.new.alien(gems).sort.each do |key, val|
+        unless val.empty? then
+          say "#{key} has #{val.size} problems"
+          val.each do |error_entry|
+            say "  #{error_entry.path}:"
+            say "    #{error_entry.problem}"
+          end
+        else
+          say "#{key} is error-free" if Gem.configuration.verbose
+        end
+        say
+      end
+    end
+
+    if options[:verify]
+      gem_name = options[:verify]
+      unless gem_name
+        alert_error "Must specify a .gem file with --verify NAME"
+        return
+      end
+      unless File.exist?(gem_name)
+        alert_error "Unknown file: #{gem_name}."
+        return
+      end
+      say "Verifying gem: '#{gem_name}'"
+      begin
+        Gem::Validator.new.verify_gem_file(gem_name)
+      rescue Exception
+        alert_error "#{gem_name} is invalid."
+      end
+    end
+  end
+
+end
diff --git a/ruby_1_9_3/lib/rubygems/commands/cleanup_command.rb b/ruby_1_9_3/lib/rubygems/commands/cleanup_command.rb
new file mode 100644
index 0000000000..124c4c203a
--- /dev/null
+++ b/ruby_1_9_3/lib/rubygems/commands/cleanup_command.rb
@@ -0,0 +1,100 @@
+require 'rubygems/command'
+require 'rubygems/dependency_list'
+require 'rubygems/uninstaller'
+
+class Gem::Commands::CleanupCommand < Gem::Command
+
+  def initialize
+    super 'cleanup',
+          'Clean up old versions of installed gems in the local repository',
+          :force => false, :install_dir => Gem.dir
+
+    add_option('-d', '--dryrun', "") do |value, options|
+      options[:dryrun] = true
+    end
+  end
+
+  def arguments # :nodoc:
+    "GEMNAME       name of gem to cleanup"
+  end
+
+  def defaults_str # :nodoc:
+    "--no-dryrun"
+  end
+
+  def description # :nodoc:
+    <<-EOF
+The cleanup command removes old gems from GEM_HOME.  If an older version is
+installed elsewhere in GEM_PATH the cleanup command won't touch it.
+    EOF
+  end
+
+  def usage # :nodoc:
+    "#{program_name} [GEMNAME ...]"
+  end
+
+  def execute
+    say "Cleaning up installed gems..."
+    primary_gems = {}
+
+    Gem::Specification.each do |spec|
+      if primary_gems[spec.name].nil? or
+         primary_gems[spec.name].version < spec.version then
+        primary_gems[spec.name] = spec
+      end
+    end
+
+    gems_to_cleanup = unless options[:args].empty? then
+                        options[:args].map do |gem_name|
+                          Gem::Specification.find_all_by_name gem_name
+                        end.flatten
+                      else
+                        Gem::Specification.to_a
+                      end
+
+    gems_to_cleanup = gems_to_cleanup.select { |spec|
+      primary_gems[spec.name].version != spec.version
+    }
+
+    deplist = Gem::DependencyList.new
+    gems_to_cleanup.uniq.each do |spec| deplist.add spec end
+
+    deps = deplist.strongly_connected_components.flatten.reverse
+
+    original_path = Gem.path
+
+    deps.each do |spec|
+      if options[:dryrun] then
+        say "Dry Run Mode: Would uninstall #{spec.full_name}"
+      else
+        say "Attempting to uninstall #{spec.full_name}"
+
+        options[:args] = [spec.name]
+
+        uninstall_options = {
+          :executables => false,
+          :version => "= #{spec.version}",
+        }
+
+        uninstall_options[:user_install] = Gem.user_dir == spec.base_dir
+
+        uninstaller = Gem::Uninstaller.new spec.name, uninstall_options
+
+        begin
+          uninstaller.uninstall
+        rescue Gem::DependencyRemovalException, Gem::InstallError,
+               Gem::GemNotInHomeException, Gem::FilePermissionError => e
+          say "Unable to uninstall #{spec.full_name}:"
+          say "\t#{e.class}: #{e.message}"
+        end
+      end
+
+      # Restore path Gem::Uninstaller may have change
+      Gem.use_paths(*original_path)
+    end
+
+    say "Clean Up Complete"
+  end
+
+end
+
diff --git a/ruby_1_9_3/lib/rubygems/commands/contents_command.rb b/ruby_1_9_3/lib/rubygems/commands/contents_command.rb
new file mode 100644
index 0000000000..e483484615
--- /dev/null
+++ b/ruby_1_9_3/lib/rubygems/commands/contents_command.rb
@@ -0,0 +1,101 @@
+require 'rubygems/command'
+require 'rubygems/version_option'
+
+class Gem::Commands::ContentsCommand < Gem::Command
+
+  include Gem::VersionOption
+
+  def initialize
+    super 'contents', 'Display the contents of the installed gems',
+          :specdirs => [], :lib_only => false, :prefix => true
+
+    add_version_option
+
+    add_option(      '--all',
+               "Contents for all gems") do |all, options|
+      options[:all] = all
+    end
+
+    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',
+               "Only return files in the Gem's lib_dirs") do |lib_only, options|
+      options[:lib_only] = lib_only
+    end
+
+    add_option(      '--[no-]prefix',
+               "Don't include installed path prefix") do |prefix, options|
+      options[:prefix] = prefix
+    end
+  end
+
+  def arguments # :nodoc:
+    "GEMNAME       name of gem to list contents for"
+  end
+
+  def defaults_str # :nodoc:
+    "--no-lib-only --prefix"
+  end
+
+  def usage # :nodoc:
+    "#{program_name} GEMNAME [GEMNAME ...]"
+  end
+
+  def execute
+    version = options[:version] || Gem::Requirement.default
+
+    spec_dirs = options[:specdirs].map do |i|
+      [i, File.join(i, "specifications")]
+    end.flatten
+
+    path_kind = if spec_dirs.empty? then
+                  spec_dirs = Gem::Specification.dirs
+                  "default gem paths"
+                else
+                  "specified path"
+                end
+
+    gem_names = if options[:all] then
+                  Gem::Specification.map(&:name)
+                else
+                  get_all_gem_names
+                end
+
+    gem_names.each do |name|
+      # HACK: find_by_name fails for some reason... ARGH
+      # How many places must we embed our resolve logic?
+      spec = Gem::Specification.find_all_by_name(name, version).last
+
+      unless spec then
+        say "Unable to find gem '#{name}' in #{path_kind}"
+
+        if Gem.configuration.verbose then
+          say "\nDirectories searched:"
+          spec_dirs.each { |dir| say dir }
+        end
+
+        terminate_interaction 1 if gem_names.length == 1
+      end
+
+      gem_path = spec.full_gem_path
+      extra    = "/{#{spec.require_paths.join ','}}" if options[:lib_only]
+      glob     = "#{gem_path}#{extra}/**/*"
+      files    = Dir[glob]
+
+      gem_path = File.join gem_path, '' # add trailing / if missing
+
+      files.sort.each do |file|
+        next if File.directory? file
+
+        file = file.sub gem_path, '' unless options[:prefix]
+
+        say file
+      end
+    end
+  end
+
+end
+
diff --git a/ruby_1_9_3/lib/rubygems/commands/dependency_command.rb b/ruby_1_9_3/lib/rubygems/commands/dependency_command.rb
new file mode 100644
index 0000000000..67cbbc1d5e
--- /dev/null
+++ b/ruby_1_9_3/lib/rubygems/commands/dependency_command.rb
@@ -0,0 +1,160 @@
+require 'rubygems/command'
+require 'rubygems/local_remote_options'
+require 'rubygems/version_option'
+
+class Gem::Commands::DependencyCommand < Gem::Command
+
+  include Gem::LocalRemoteOptions
+  include Gem::VersionOption
+
+  def initialize
+    super 'dependency',
+          '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',
+               'Include reverse dependencies in the output') do
+      |value, options|
+      options[:reverse_dependencies] = value
+    end
+
+    add_option('-p', '--pipe',
+               "Pipe Format (name --version ver)") do |value, options|
+      options[:pipe_format] = value
+    end
+
+    add_local_remote_options
+  end
+
+  def arguments # :nodoc:
+    "GEMNAME       name of gem to show dependencies for"
+  end
+
+  def defaults_str # :nodoc:
+    "--local --version '#{Gem::Requirement.default}' --no-reverse-dependencies"
+  end
+
+  def usage # :nodoc:
+    "#{program_name} GEMNAME"
+  end
+
+  def execute
+    if options[:reverse_dependencies] and remote? and not local? then
+      alert_error 'Only reverse dependencies for local gems are supported.'
+      terminate_interaction 1
+    end
+
+    options[:args] << '' if options[:args].empty?
+
+    pattern = if options[:args].length == 1 and
+                 options[:args].first =~ /\A\/(.*)\/(i)?\z/m then
+                flags = $2 ? Regexp::IGNORECASE : nil
+                Regexp.new $1, flags
+              else
+                /\A#{Regexp.union(*options[:args])}/
+              end
+
+    # TODO: deprecate for real damnit
+    dependency = Gem::Deprecate.skip_during {
+      Gem::Dependency.new pattern, options[:version]
+    }
+    dependency.prerelease = options[:prerelease]
+
+    specs = []
+
+    specs.concat dependency.matching_specs if local?
+
+    if remote? and not options[:reverse_dependencies] then
+      fetcher = Gem::SpecFetcher.fetcher
+
+      # REFACTOR: fetcher.find_specs_matching => specs
+      specs_and_sources = fetcher.find_matching(dependency,
+                                                dependency.specific?, true,
+                                                dependency.prerelease?)
+
+      specs.concat specs_and_sources.map { |spec_tuple, source_uri|
+        fetcher.fetch_spec spec_tuple, URI.parse(source_uri)
+      }
+    end
+
+    if specs.empty? then
+      patterns = options[:args].join ','
+      say "No gems found matching #{patterns} (#{options[:version]})" if
+        Gem.configuration.verbose
+
+      terminate_interaction 1
+    end
+
+    specs = specs.uniq.sort
+
+    reverse = Hash.new { |h, k| h[k] = [] }
+
+    if options[:reverse_dependencies] then
+      specs.each do |spec|
+        reverse[spec.full_name] = find_reverse_dependencies spec
+      end
+    end
+
+    if options[:pipe_format] then
+      specs.each do |spec|
+        unless spec.dependencies.empty?
+          spec.dependencies.sort_by { |dep| dep.name }.each do |dep|
+            say "#{dep.name} --version '#{dep.requirement}'"
+          end
+        end
+      end
+    else
+      response = ''
+
+      specs.each do |spec|
+        response << print_dependencies(spec)
+        unless reverse[spec.full_name].empty? then
+          response << "  Used by\n"
+          reverse[spec.full_name].each do |sp, dep|
+            response << "    #{sp} (#{dep})\n"
+          end
+        end
+        response << "\n"
+      end
+
+      say response
+    end
+  end
+
+  def print_dependencies(spec, level = 0)
+    response = ''
+    response << '  ' * level + "Gem #{spec.full_name}\n"
+    unless spec.dependencies.empty? then
+      spec.dependencies.sort_by { |dep| dep.name }.each do |dep|
+        response << '  ' * level + "  #{dep}\n"
+      end
+    end
+    response
+  end
+
+  ##
+  # Returns an Array of [specification, dep] that are satisfied by +spec+.
+
+  def find_reverse_dependencies(spec)
+    result = []
+
+    Gem::Specification.each do |sp|
+      sp.dependencies.each do |dep|
+        dep = Gem::Dependency.new(*dep) unless Gem::Dependency === dep
+
+        if spec.name == dep.name and
+           dep.requirement.satisfied_by?(spec.version) then
+          result << [sp.full_name, dep]
+        end
+      end
+    end
+
+    result
+  end
+
+end
+
diff --git a/ruby_1_9_3/lib/rubygems/commands/environment_command.rb b/ruby_1_9_3/lib/rubygems/commands/environment_command.rb
new file mode 100644
index 0000000000..9585c71250
--- /dev/null
+++ b/ruby_1_9_3/lib/rubygems/commands/environment_command.rb
@@ -0,0 +1,130 @@
+require 'rubygems/command'
+
+class Gem::Commands::EnvironmentCommand < Gem::Command
+
+  def initialize
+    super 'environment', 'Display information about the RubyGems environment'
+  end
+
+  def arguments # :nodoc:
+    args = <<-EOF
+          packageversion  display the package version
+          gemdir          display the path where gems are installed
+          gempath         display path used to search for gems
+          version         display the gem format version
+          remotesources   display the remote gem servers
+          platform        display the supported gem platforms
+          <omitted>       display everything
+    EOF
+    return args.gsub(/^\s+/, '')
+  end
+
+  def description # :nodoc:
+    <<-EOF
+The RubyGems environment can be controlled through command line arguments,
+gemrc files, environment variables and built-in defaults.
+
+Command line argument defaults and some RubyGems defaults can be set in
+~/.gemrc file for individual users and a /etc/gemrc for all users.  A gemrc
+is a YAML file with the following YAML keys:
+
+  :sources: A YAML array of remote gem repositories to install gems from
+  :verbose: Verbosity of the gem command.  false, true, and :really are the
+            levels
+  :update_sources: Enable/disable automatic updating of repository metadata
+  :backtrace: Print backtrace when RubyGems encounters an error
+  :gempath: The paths in which to look for gems
+  gem_command: A string containing arguments for the specified gem command
+
+Example:
+
+  :verbose: false
+  install: --no-wrappers
+  update: --no-wrappers
+
+RubyGems' default local repository can be overridden with the GEM_PATH and
+GEM_HOME environment variables.  GEM_HOME sets the default repository to
+install into.  GEM_PATH allows multiple local repositories to be searched for
+gems.
+
+If you are behind a proxy server, RubyGems uses the HTTP_PROXY,
+HTTP_PROXY_USER and HTTP_PROXY_PASS environment variables to discover the
+proxy server.
+
+If you are packaging RubyGems all of RubyGems' defaults are in
+lib/rubygems/defaults.rb.  You may override these in
+lib/rubygems/defaults/operating_system.rb
+    EOF
+  end
+
+  def usage # :nodoc:
+    "#{program_name} [arg]"
+  end
+
+  def execute
+    out = ''
+    arg = options[:args][0]
+    case arg
+    when /^packageversion/ then
+      out << Gem::RubyGemsPackageVersion
+    when /^version/ then
+      out << Gem::VERSION
+    when /^gemdir/, /^gemhome/, /^home/, /^GEM_HOME/ then
+      out << Gem.dir
+    when /^gempath/, /^path/, /^GEM_PATH/ then
+      out << Gem.path.join(File::PATH_SEPARATOR)
+    when /^remotesources/ then
+      out << Gem.sources.join("\n")
+    when /^platform/ then
+      out << Gem.platforms.join(File::PATH_SEPARATOR)
+    when nil then
+      out = "RubyGems Environment:\n"
+
+      out << "  - RUBYGEMS VERSION: #{Gem::VERSION}\n"
+
+      out << "  - RUBY VERSION: #{RUBY_VERSION} (#{RUBY_RELEASE_DATE}"
+      out << " patchlevel #{RUBY_PATCHLEVEL}" if defined? RUBY_PATCHLEVEL
+      out << ") [#{RUBY_PLATFORM}]\n"
+
+      out << "  - INSTALLATION DIRECTORY: #{Gem.dir}\n"
+
+      out << "  - RUBYGEMS PREFIX: #{Gem.prefix}\n" unless Gem.prefix.nil?
+
+      out << "  - RUBY EXECUTABLE: #{Gem.ruby}\n"
+
+      out << "  - EXECUTABLE DIRECTORY: #{Gem.bindir}\n"
+
+      out << "  - RUBYGEMS PLATFORMS:\n"
+      Gem.platforms.each do |platform|
+        out << "    - #{platform}\n"
+      end
+
+      out << "  - GEM PATHS:\n"
+      out << "     - #{Gem.dir}\n"
+
+      path = Gem.path.dup
+      path.delete Gem.dir
+      path.each do |p|
+        out << "     - #{p}\n"
+      end
+
+      out << "  - GEM CONFIGURATION:\n"
+      Gem.configuration.each do |name, value|
+        value = value.gsub(/./, '*') if name == 'gemcutter_key'
+        out << "     - #{name.inspect} => #{value.inspect}\n"
+      end
+
+      out << "  - REMOTE SOURCES:\n"
+      Gem.sources.each do |s|
+        out << "     - #{s}\n"
+      end
+
+    else
+      raise Gem::CommandLineError, "Unknown environment option [#{arg}]"
+    end
+    say out
+    true
+  end
+
+end
+
diff --git a/ruby_1_9_3/lib/rubygems/commands/fetch_command.rb b/ruby_1_9_3/lib/rubygems/commands/fetch_command.rb
new file mode 100644
index 0000000000..e7c9cc9525
--- /dev/null
+++ b/ruby_1_9_3/lib/rubygems/commands/fetch_command.rb
@@ -0,0 +1,78 @@
+require 'rubygems/command'
+require 'rubygems/local_remote_options'
+require 'rubygems/version_option'
+
+class Gem::Commands::FetchCommand < Gem::Command
+
+  include Gem::LocalRemoteOptions
+  include Gem::VersionOption
+
+  def initialize
+    super 'fetch', 'Download a gem and place it in the current directory'
+
+    add_bulk_threshold_option
+    add_proxy_option
+    add_source_option
+    add_clear_sources_option
+
+    add_version_option
+    add_platform_option
+    add_prerelease_option
+  end
+
+  def arguments # :nodoc:
+    'GEMNAME       name of gem to download'
+  end
+
+  def defaults_str # :nodoc:
+    "--version '#{Gem::Requirement.default}'"
+  end
+
+  def usage # :nodoc:
+    "#{program_name} GEMNAME [GEMNAME ...]"
+  end
+
+  def execute
+    version = options[:version] || Gem::Requirement.default
+    all = Gem::Requirement.default != version
+
+    platform  = Gem.platforms.last
+    gem_names = get_all_gem_names
+
+    gem_names.each do |gem_name|
+      dep = Gem::Dependency.new gem_name, version
+      dep.prerelease = options[:prerelease]
+
+      specs_and_sources, errors =
+        Gem::SpecFetcher.fetcher.fetch_with_errors(dep, all, true,
+                                                   dep.prerelease?)
+
+      if platform then
+        filtered = specs_and_sources.select { |s,| s.platform == platform }
+        specs_and_sources = filtered unless filtered.empty?
+      end
+
+      spec, source_uri = specs_and_sources.sort_by { |s,| s.version }.last
+
+      if spec.nil? then
+        show_lookup_failure gem_name, version, errors, options[:domain]
+        next
+      end
+
+      file = "#{spec.full_name}.gem"
+      remote_path = URI.parse(source_uri) + "gems/#{file}"
+
+      fetch = Gem::RemoteFetcher.fetcher
+
+      gem = fetch.fetch_path remote_path.to_s
+
+      File.open file, "wb" do |f|
+        f.write gem
+      end
+
+      say "Downloaded #{spec.full_name}"
+    end
+  end
+
+end
+
diff --git a/ruby_1_9_3/lib/rubygems/commands/generate_index_command.rb b/ruby_1_9_3/lib/rubygems/commands/generate_index_command.rb
new file mode 100644
index 0000000000..d4b4790649
--- /dev/null
+++ b/ruby_1_9_3/lib/rubygems/commands/generate_index_command.rb
@@ -0,0 +1,124 @@
+require 'rubygems/command'
+require 'rubygems/indexer'
+
+##
+# Generates a index files for use as a gem server.
+#
+# See `gem help generate_index`
+
+class Gem::Commands::GenerateIndexCommand < Gem::Command
+
+  def initialize
+    super 'generate_index',
+          'Generates the index files for a gem server directory',
+          :directory => '.', :build_legacy => true, :build_modern => true
+
+    add_option '-d', '--directory=DIRNAME',
+               'repository base dir containing gems subdir' do |dir, options|
+      options[:directory] = File.expand_path dir
+    end
+
+    add_option '--[no-]legacy',
+               'Generate Marshal.4.8' do |value, options|
+      unless options[:build_modern] or value then
+        raise OptionParser::InvalidOption, 'no indicies will be built'
+      end
+
+      options[:build_legacy] = value
+    end
+
+    add_option '--[no-]modern',
+               'Generate indexes for RubyGems newer',
+               'than 1.2.0' do |value, options|
+      unless options[:build_legacy] or value then
+        raise OptionParser::InvalidOption, 'no indicies will be built'
+      end
+
+      options[:build_modern] = value
+    end
+
+    add_option '--update',
+               'Update modern indexes with gems added',
+               'since the last update' do |value, options|
+      options[:update] = value
+    end
+
+    add_option :RSS, '--rss-gems-host=GEM_HOST',
+               'Host name where gems are served from,',
+               'used for GUID and enclosure values' do |value, options|
+      options[:rss_gems_host] = value
+    end
+
+    add_option :RSS, '--rss-host=HOST',
+               'Host name for more gems information,',
+               'used for RSS feed link' do |value, options|
+      options[:rss_host] = value
+    end
+
+    add_option :RSS, '--rss-title=TITLE',
+               'Set title for RSS feed' do |value, options|
+      options[:rss_title] = value
+    end
+  end
+
+  def defaults_str # :nodoc:
+    "--directory . --legacy --modern"
+  end
+
+  def description # :nodoc:
+    <<-EOF
+The generate_index command creates a set of indexes for serving gems
+statically.  The command expects a 'gems' directory under the path given to
+the --directory option.  The given directory will be the directory you serve
+as the gem repository.
+
+For `gem generate_index --directory /path/to/repo`, expose /path/to/repo via
+your HTTP server configuration (not /path/to/repo/gems).
+
+When done, it will generate a set of files like this:
+
+  gems/*.gem                                   # .gem files you want to
+                                               # index
+
+  specs.<version>.gz                           # specs index
+  latest_specs.<version>.gz                    # latest specs index
+  prerelease_specs.<version>.gz                # prerelease specs index
+  quick/Marshal.<version>/<gemname>.gemspec.rz # Marshal quick index file
+
+  # these files support legacy RubyGems
+  Marshal.<version>
+  Marshal.<version>.Z                          # Marshal full index
+
+The .Z and .rz extension files are compressed with the inflate algorithm.
+The Marshal version number comes from ruby's Marshal::MAJOR_VERSION and
+Marshal::MINOR_VERSION constants.  It is used to ensure compatibility.
+
+If --rss-host and --rss-gem-host are given an RSS feed will be generated at
+index.rss containing gems released in the last two days.
+    EOF
+  end
+
+  def execute
+    if options[:update] and
+       (options[:rss_host] or options[:rss_gems_host]) then
+      alert_error '--update not compatible with RSS generation'
+      terminate_interaction 1
+    end
+
+    if not File.exist?(options[:directory]) or
+       not File.directory?(options[:directory]) then
+      alert_error "unknown directory name #{directory}."
+      terminate_interaction 1
+    else
+      indexer = Gem::Indexer.new options.delete(:directory), options
+
+      if options[:update] then
+        indexer.update_index
+      else
+        indexer.generate_index
+      end
+    end
+  end
+
+end
+
diff --git a/ruby_1_9_3/lib/rubygems/commands/help_command.rb b/ruby_1_9_3/lib/rubygems/commands/help_command.rb
new file mode 100644
index 0000000000..20b52429b2
--- /dev/null
+++ b/ruby_1_9_3/lib/rubygems/commands/help_command.rb
@@ -0,0 +1,167 @@
+require 'rubygems/command'
+
+class Gem::Commands::HelpCommand < Gem::Command
+
+  # :stopdoc:
+  EXAMPLES = <<-EOF
+Some examples of 'gem' usage.
+
+* Install 'rake', either from local directory or remote server:
+
+    gem install rake
+
+* Install 'rake', only from remote server:
+
+    gem install rake --remote
+
+* Install 'rake', but only version 0.3.1, even if dependencies
+  are not met, and into a user-specific directory:
+
+    gem install rake --version 0.3.1 --force --user-install
+
+* List local gems whose name begins with 'D':
+
+    gem list D
+
+* List local and remote gems whose name contains 'log':
+
+    gem search log --both
+
+* List only remote gems whose name contains 'log':
+
+    gem search log --remote
+
+* Uninstall 'rake':
+
+    gem uninstall rake
+
+* Create a gem:
+
+    See http://rubygems.rubyforge.org/wiki/wiki.pl?CreateAGemInTenMinutes
+
+* See information about RubyGems:
+
+    gem environment
+
+* Update all gems on your system:
+
+    gem update
+  EOF
+
+  PLATFORMS = <<-'EOF'
+RubyGems platforms are composed of three parts, a CPU, an OS, and a
+version.  These values are taken from values in rbconfig.rb.  You can view
+your current platform by running `gem environment`.
+
+RubyGems matches platforms as follows:
+
+  * The CPU must match exactly, unless one of the platforms has
+    "universal" as the CPU.
+  * The OS must match exactly.
+  * The versions must match exactly unless one of the versions is nil.
+
+For commands that install, uninstall and list gems, you can override what
+RubyGems thinks your platform is with the --platform option.  The platform
+you pass must match "#{cpu}-#{os}" or "#{cpu}-#{os}-#{version}".  On mswin
+platforms, the version is the compiler version, not the OS version.  (Ruby
+compiled with VC6 uses "60" as the compiler version, VC8 uses "80".)
+
+Example platforms:
+
+  x86-freebsd        # Any FreeBSD version on an x86 CPU
+  universal-darwin-8 # Darwin 8 only gems that run on any CPU
+  x86-mswin32-80     # Windows gems compiled with VC8
+
+When building platform gems, set the platform in the gem specification to
+Gem::Platform::CURRENT.  This will correctly mark the gem with your ruby's
+platform.
+  EOF
+  # :startdoc:
+
+  def initialize
+    super 'help', "Provide help on the 'gem' command"
+  end
+
+  def arguments # :nodoc:
+    args = <<-EOF
+      commands      List all 'gem' commands
+      examples      Show examples of 'gem' usage
+      <command>     Show specific help for <command>
+    EOF
+    return args.gsub(/^\s+/, '')
+  end
+
+  def usage # :nodoc:
+    "#{program_name} ARGUMENT"
+  end
+
+  def execute
+    command_manager = Gem::CommandManager.instance
+    arg = options[:args][0]
+
+    if begins? "commands", arg then
+      out = []
+      out << "GEM commands are:"
+      out << nil
+
+      margin_width = 4
+
+      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)
+      format = "#{' ' * margin_width}%-#{desc_width}s%s"
+
+      command_manager.command_names.each do |cmd_name|
+        summary = command_manager[cmd_name].summary
+        summary = wrap(summary, summary_width).split "\n"
+        out << sprintf(format, cmd_name, summary.shift)
+        until summary.empty? do
+          out << "#{wrap_indent}#{summary.shift}"
+        end
+      end
+
+      out << nil
+      out << "For help on a particular command, use 'gem help COMMAND'."
+      out << nil
+      out << "Commands may be abbreviated, so long as they are unambiguous."
+      out << "e.g. 'gem i rake' is short for 'gem install rake'."
+
+      say out.join("\n")
+
+    elsif begins? "options", arg then
+      say Gem::Command::HELP
+
+    elsif begins? "examples", arg then
+      say EXAMPLES
+
+    elsif begins? "platforms", arg then
+      say PLATFORMS
+
+    elsif options[:help] then
+      command = command_manager[options[:help]]
+      if command
+        # help with provided command
+        command.invoke("--help")
+      else
+        alert_error "Unknown command #{options[:help]}.  Try 'gem help commands'"
+      end
+
+    elsif arg then
+      possibilities = command_manager.find_command_possibilities(arg.downcase)
+      if possibilities.size == 1
+        command = command_manager[possibilities.first]
+        command.invoke("--help")
+      elsif possibilities.size > 1
+        alert_warning "Ambiguous command #{arg} (#{possibilities.join(', ')})"
+      else
+        alert_warning "Unknown command #{arg}. Try gem help commands"
+      end
+
+    else
+      say Gem::Command::HELP
+    end
+  end
+
+end
+
diff --git a/ruby_1_9_3/lib/rubygems/commands/install_command.rb b/ruby_1_9_3/lib/rubygems/commands/install_command.rb
new file mode 100644
index 0000000000..003ba8601c
--- /dev/null
+++ b/ruby_1_9_3/lib/rubygems/commands/install_command.rb
@@ -0,0 +1,165 @@
+require 'rubygems/command'
+require 'rubygems/doc_manager'
+require 'rubygems/install_update_options'
+require 'rubygems/dependency_installer'
+require 'rubygems/local_remote_options'
+require 'rubygems/validator'
+require 'rubygems/version_option'
+
+##
+# Gem installer command line tool
+#
+# See `gem help install`
+
+class Gem::Commands::InstallCommand < Gem::Command
+
+  include Gem::VersionOption
+  include Gem::LocalRemoteOptions
+  include Gem::InstallUpdateOptions
+
+  def initialize
+    defaults = Gem::DependencyInstaller::DEFAULT_OPTIONS.merge({
+      :generate_rdoc     => true,
+      :generate_ri       => true,
+      :format_executable => false,
+      :version           => Gem::Requirement.default,
+    })
+
+    super 'install', 'Install a gem into the local repository', defaults
+
+    add_install_update_options
+    add_local_remote_options
+    add_platform_option
+    add_version_option
+    add_prerelease_option "to be installed. (Only for listed gems)"
+  end
+
+  def arguments # :nodoc:
+    "GEMNAME       name of gem to install"
+  end
+
+  def defaults_str # :nodoc:
+    "--both --version '#{Gem::Requirement.default}' --rdoc --ri --no-force\n" \
+    "--install-dir #{Gem.dir}"
+  end
+
+  def description # :nodoc:
+    <<-EOF
+The install command installs local or remote gem into a gem repository.
+
+For gems with executables ruby installs a wrapper file into the executable
+directory by default.  This can be overridden with the --no-wrappers option.
+The wrapper allows you to choose among alternate gem versions using _version_.
+
+For example `rake _0.7.3_ --version` will run rake version 0.7.3 if a newer
+version is also installed.
+
+If an extension fails to compile during gem installation the gem
+specification is not written out, but the gem remains unpacked in the
+repository.  You may need to specify the path to the library's headers and
+libraries to continue.  You can do this by adding a -- between RubyGems'
+options and the extension's build options:
+
+  $ gem install some_extension_gem
+  [build fails]
+  Gem files will remain installed in \\
+  /path/to/gems/some_extension_gem-1.0 for inspection.
+  Results logged to /path/to/gems/some_extension_gem-1.0/gem_make.out
+  $ gem install some_extension_gem -- --with-extension-lib=/path/to/lib
+  [build succeeds]
+  $ gem list some_extension_gem
+
+  *** LOCAL GEMS ***
+
+  some_extension_gem (1.0)
+  $
+
+If you correct the compilation errors by editing the gem files you will need
+to write the specification by hand.  For example:
+
+  $ gem install some_extension_gem
+  [build fails]
+  Gem files will remain installed in \\
+  /path/to/gems/some_extension_gem-1.0 for inspection.
+  Results logged to /path/to/gems/some_extension_gem-1.0/gem_make.out
+  $ [cd /path/to/gems/some_extension_gem-1.0]
+  $ [edit files or what-have-you and run make]
+  $ gem spec ../../cache/some_extension_gem-1.0.gem --ruby > \\
+             ../../specifications/some_extension_gem-1.0.gemspec
+  $ gem list some_extension_gem
+
+  *** LOCAL GEMS ***
+
+  some_extension_gem (1.0)
+  $
+
+    EOF
+  end
+
+  def usage # :nodoc:
+    "#{program_name} GEMNAME [GEMNAME ...] [options] -- --build-flags"
+  end
+
+  def execute
+    if options[:include_dependencies] then
+      alert "`gem install -y` is now default and will be removed"
+      alert "use --ignore-dependencies to install only the gems you list"
+    end
+
+    installed_gems = []
+
+    ENV.delete 'GEM_PATH' if options[:install_dir].nil? and RUBY_VERSION > '1.9'
+
+    exit_code = 0
+
+    get_all_gem_names.each do |gem_name|
+      begin
+        next if options[:conservative] and
+          not Gem::Dependency.new(gem_name, options[:version]).matching_specs.empty?
+
+        inst = Gem::DependencyInstaller.new options
+        inst.install gem_name, options[:version]
+
+        inst.installed_gems.each do |spec|
+          say "Successfully installed #{spec.full_name}"
+        end
+
+        installed_gems.push(*inst.installed_gems)
+      rescue Gem::InstallError => e
+        alert_error "Error installing #{gem_name}:\n\t#{e.message}"
+        exit_code |= 1
+      rescue Gem::GemNotFoundException => e
+        show_lookup_failure e.name, e.version, e.errors, options[:domain]
+
+        exit_code |= 2
+      end
+    end
+
+    unless installed_gems.empty? then
+      gems = installed_gems.length == 1 ? 'gem' : 'gems'
+      say "#{installed_gems.length} #{gems} installed"
+
+      # NOTE: *All* of the RI documents must be generated first.  For some
+      # reason, RI docs cannot be generated after any RDoc documents are
+      # generated.
+
+      if options[:generate_ri] then
+        installed_gems.each do |gem|
+          Gem::DocManager.new(gem, options[:rdoc_args]).generate_ri
+        end
+
+        Gem::DocManager.update_ri_cache
+      end
+
+      if options[:generate_rdoc] then
+        installed_gems.each do |gem|
+          Gem::DocManager.new(gem, options[:rdoc_args]).generate_rdoc
+        end
+      end
+    end
+
+    raise Gem::SystemExitException, exit_code
+  end
+
+end
+
diff --git a/ruby_1_9_3/lib/rubygems/commands/list_command.rb b/ruby_1_9_3/lib/rubygems/commands/list_command.rb
new file mode 100644
index 0000000000..f3e5da9551
--- /dev/null
+++ b/ruby_1_9_3/lib/rubygems/commands/list_command.rb
@@ -0,0 +1,35 @@
+require 'rubygems/command'
+require 'rubygems/commands/query_command'
+
+##
+# An alternate to Gem::Commands::QueryCommand that searches for gems starting
+# with the the supplied argument.
+
+class Gem::Commands::ListCommand < Gem::Commands::QueryCommand
+
+  def initialize
+    super 'list', 'Display gems whose name starts with STRING'
+
+    remove_option('--name-matches')
+  end
+
+  def arguments # :nodoc:
+    "STRING        start of gem name to look for"
+  end
+
+  def defaults_str # :nodoc:
+    "--local --no-details"
+  end
+
+  def usage # :nodoc:
+    "#{program_name} [STRING]"
+  end
+
+  def execute
+    string = get_one_optional_argument || ''
+    options[:name] = /^#{string}/i
+    super
+  end
+
+end
+
diff --git a/ruby_1_9_3/lib/rubygems/commands/lock_command.rb b/ruby_1_9_3/lib/rubygems/commands/lock_command.rb
new file mode 100644
index 0000000000..a6dca320ef
--- /dev/null
+++ b/ruby_1_9_3/lib/rubygems/commands/lock_command.rb
@@ -0,0 +1,110 @@
+require 'rubygems/command'
+
+class Gem::Commands::LockCommand < Gem::Command
+
+  def initialize
+    super 'lock', 'Generate a lockdown list of gems',
+          :strict => false
+
+    add_option '-s', '--[no-]strict',
+               'fail if unable to satisfy a dependency' do |strict, options|
+      options[:strict] = strict
+    end
+  end
+
+  def arguments # :nodoc:
+    "GEMNAME       name of gem to lock\nVERSION       version of gem to lock"
+  end
+
+  def defaults_str # :nodoc:
+    "--no-strict"
+  end
+
+  def description # :nodoc:
+    <<-EOF
+The lock command will generate a list of +gem+ statements that will lock down
+the versions for the gem given in the command line.  It will specify exact
+versions in the requirements list to ensure that the gems loaded will always
+be consistent.  A full recursive search of all effected gems will be
+generated.
+
+Example:
+
+  gemlock rails-1.0.0 > lockdown.rb
+
+will produce in lockdown.rb:
+
+  require "rubygems"
+  gem 'rails', '= 1.0.0'
+  gem 'rake', '= 0.7.0.1'
+  gem 'activesupport', '= 1.2.5'
+  gem 'activerecord', '= 1.13.2'
+  gem 'actionpack', '= 1.11.2'
+  gem 'actionmailer', '= 1.1.5'
+  gem 'actionwebservice', '= 1.0.0'
+
+Just load lockdown.rb from your application to ensure that the current
+versions are loaded.  Make sure that lockdown.rb is loaded *before* any
+other require statements.
+
+Notice that rails 1.0.0 only requires that rake 0.6.2 or better be used.
+Rake-0.7.0.1 is the most recent version installed that satisfies that, so we
+lock it down to the exact version.
+    EOF
+  end
+
+  def usage # :nodoc:
+    "#{program_name} GEMNAME-VERSION [GEMNAME-VERSION ...]"
+  end
+
+  def complain(message)
+    if options[:strict] then
+      raise Gem::Exception, message
+    else
+      say "# #{message}"
+    end
+  end
+
+  def execute
+    say "require 'rubygems'"
+
+    locked = {}
+
+    pending = options[:args]
+
+    until pending.empty? do
+      full_name = pending.shift
+
+      spec = Gem::Specification.load spec_path(full_name)
+
+      if spec.nil? then
+        complain "Could not find gem #{full_name}, try using the full name"
+        next
+      end
+
+      say "gem '#{spec.name}', '= #{spec.version}'" unless locked[spec.name]
+      locked[spec.name] = true
+
+      spec.runtime_dependencies.each do |dep|
+        next if locked[dep.name]
+        candidates = dep.matching_specs
+
+        if candidates.empty? then
+          complain "Unable to satisfy '#{dep}' from currently installed gems"
+        else
+          pending << candidates.last.full_name
+        end
+      end
+    end
+  end
+
+  def spec_path(gem_full_name)
+    gemspecs = Gem.path.map { |path|
+      File.join path, "specifications", "#{gem_full_name}.gemspec"
+    }
+
+    gemspecs.find { |path| File.exist? path }
+  end
+
+end
+
diff --git a/ruby_1_9_3/lib/rubygems/commands/outdated_command.rb b/ruby_1_9_3/lib/rubygems/commands/outdated_command.rb
new file mode 100644
index 0000000000..ea6b9f0abf
--- /dev/null
+++ b/ruby_1_9_3/lib/rubygems/commands/outdated_command.rb
@@ -0,0 +1,30 @@
+require 'rubygems/command'
+require 'rubygems/local_remote_options'
+require 'rubygems/spec_fetcher'
+require 'rubygems/version_option'
+
+class Gem::Commands::OutdatedCommand < Gem::Command
+
+  include Gem::LocalRemoteOptions
+  include Gem::VersionOption
+
+  def initialize
+    super 'outdated', 'Display all gems that need updates'
+
+    add_local_remote_options
+    add_platform_option
+  end
+
+  def execute
+    Gem::Specification.outdated.sort.each do |name|
+      local   = Gem::Specification.find_all_by_name(name).max
+      dep     = Gem::Dependency.new local.name, ">= #{local.version}"
+      remotes = Gem::SpecFetcher.fetcher.fetch dep
+
+      next if remotes.empty?
+
+      remote = remotes.last.first
+      say "#{local.name} (#{local.version} < #{remote.version})"
+    end
+  end
+end
diff --git a/ruby_1_9_3/lib/rubygems/commands/owner_command.rb b/ruby_1_9_3/lib/rubygems/commands/owner_command.rb
new file mode 100644
index 0000000000..6ebf9aa1aa
--- /dev/null
+++ b/ruby_1_9_3/lib/rubygems/commands/owner_command.rb
@@ -0,0 +1,76 @@
+require 'rubygems/command'
+require 'rubygems/local_remote_options'
+require 'rubygems/gemcutter_utilities'
+
+class Gem::Commands::OwnerCommand < Gem::Command
+  include Gem::LocalRemoteOptions
+  include Gem::GemcutterUtilities
+
+  def description # :nodoc:
+    'Manage gem owners on RubyGems.org.'
+  end
+
+  def arguments # :nodoc:
+    "GEM       gem to manage owners for"
+  end
+
+  def initialize
+    super 'owner', description
+    add_proxy_option
+    add_key_option
+    defaults.merge! :add => [], :remove => []
+
+    add_option '-a', '--add EMAIL', 'Add an owner' do |value, options|
+      options[:add] << value
+    end
+
+    add_option '-r', '--remove EMAIL', 'Remove an owner' do |value, options|
+      options[:remove] << value
+    end
+  end
+
+  def execute
+    sign_in
+    name = get_one_gem_name
+
+    add_owners    name, options[:add]
+    remove_owners name, options[:remove]
+    show_owners   name
+  end
+
+  def show_owners name
+    response = rubygems_api_request :get, "api/v1/gems/#{name}/owners.yaml" do |request|
+      request.add_field "Authorization", api_key
+    end
+
+    with_response response do |resp|
+      owners = YAML.load resp.body
+
+      say "Owners for gem: #{name}"
+      owners.each do |owner|
+        say "- #{owner['email']}"
+      end
+    end
+  end
+
+  def add_owners name, owners
+    manage_owners :post, name, owners
+  end
+
+  def remove_owners name, owners
+    manage_owners :delete, name, owners
+  end
+
+  def manage_owners method, name, owners
+    owners.each do |owner|
+      response = rubygems_api_request method, "api/v1/gems/#{name}/owners" do |request|
+        request.set_form_data 'email' => owner
+        request.add_field "Authorization", api_key
+      end
+
+      with_response response
+    end
+  end
+
+end
+
diff --git a/ruby_1_9_3/lib/rubygems/commands/pristine_command.rb b/ruby_1_9_3/lib/rubygems/commands/pristine_command.rb
new file mode 100644
index 0000000000..83e6cc7a67
--- /dev/null
+++ b/ruby_1_9_3/lib/rubygems/commands/pristine_command.rb
@@ -0,0 +1,110 @@
+require 'rubygems/command'
+require 'rubygems/format'
+require 'rubygems/installer'
+require 'rubygems/version_option'
+
+class Gem::Commands::PristineCommand < Gem::Command
+
+  include Gem::VersionOption
+
+  def initialize
+    super 'pristine',
+          'Restores installed gems to pristine condition from files located in the gem cache',
+          :version => Gem::Requirement.default, :extensions => true,
+          :all => false
+
+    add_option('--all',
+               'Restore all installed gems to pristine',
+               'condition') do |value, options|
+      options[:all] = value
+    end
+
+    add_option('--[no-]extensions',
+               'Restore gems with extensions') do |value, options|
+      options[:extensions] = value
+    end
+
+    add_version_option('restore to', 'pristine condition')
+  end
+
+  def arguments # :nodoc:
+    "GEMNAME       gem to restore to pristine condition (unless --all)"
+  end
+
+  def defaults_str # :nodoc:
+    "--all --extensions"
+  end
+
+  def description # :nodoc:
+    <<-EOF
+The pristine command compares the installed gems with the contents of the
+cached gem and restores any files that don't match the cached gem's copy.
+
+If you have made modifications to your installed gems, the pristine command
+will revert them.  After all the gem's files have been checked all bin stubs
+for the gem are regenerated.
+
+If the cached gem cannot be found, you will need to use `gem install` to
+revert the gem.
+
+If --no-extensions is provided pristine will not attempt to restore gems with
+extensions.
+    EOF
+  end
+
+  def usage # :nodoc:
+    "#{program_name} [args]"
+  end
+
+  def execute
+    specs = if options[:all] then
+              Gem::Specification.map
+            else
+              get_all_gem_names.map do |gem_name|
+                Gem::Specification.find_all_by_name gem_name, options[:version]
+              end.flatten
+            end
+
+    if specs.to_a.empty? then
+      raise Gem::Exception,
+            "Failed to find gems #{options[:args]} #{options[:version]}"
+    end
+
+    install_dir = Gem.dir # TODO use installer option
+
+    raise Gem::FilePermissionError.new(install_dir) unless
+      File.writable?(install_dir)
+
+    say "Restoring gems to pristine condition..."
+
+    specs.each do |spec|
+      unless spec.extensions.empty? or options[:extensions] then
+        say "Skipped #{spec.full_name}, it needs to compile an extension"
+        next
+      end
+
+      gem = spec.cache_file
+
+      unless File.exist? gem then
+        require 'rubygems/remote_fetcher'
+
+        say "Cached gem for #{spec.full_name} not found, attempting to fetch..."
+        dep = Gem::Dependency.new spec.name, spec.version
+        Gem::RemoteFetcher.fetcher.download_to_cache dep
+      end
+
+      # TODO use installer options
+      install_defaults = Gem::ConfigFile::PLATFORM_DEFAULTS['install']
+      installer_env_shebang = install_defaults.to_s['--env-shebang']
+      
+      installer = Gem::Installer.new(gem,
+                                     :wrappers => true,
+                                     :force => true,
+                                     :install_dir => spec.base_dir,
+                                     :env_shebang => installer_env_shebang)
+      installer.install
+
+      say "Restored #{spec.full_name}"
+    end
+  end
+end
diff --git a/ruby_1_9_3/lib/rubygems/commands/push_command.rb b/ruby_1_9_3/lib/rubygems/commands/push_command.rb
new file mode 100644
index 0000000000..a7663edf4a
--- /dev/null
+++ b/ruby_1_9_3/lib/rubygems/commands/push_command.rb
@@ -0,0 +1,60 @@
+require 'rubygems/command'
+require 'rubygems/local_remote_options'
+require 'rubygems/gemcutter_utilities'
+
+class Gem::Commands::PushCommand < Gem::Command
+  include Gem::LocalRemoteOptions
+  include Gem::GemcutterUtilities
+
+  def description # :nodoc:
+    'Push a gem up to RubyGems.org'
+  end
+
+  def arguments # :nodoc:
+    "GEM       built gem to push up"
+  end
+
+  def usage # :nodoc:
+    "#{program_name} GEM"
+  end
+
+  def initialize
+    super 'push', description
+    add_proxy_option
+    add_key_option
+
+    add_option(
+      '--host HOST',
+      'Push to another gemcutter-compatible host'
+    ) do |value, options|
+      options[:host] = value
+    end
+  end
+
+  def execute
+    sign_in
+    send_gem get_one_gem_name
+  end
+
+  def send_gem name
+    args = [:post, "api/v1/gems"]
+
+    args << options[:host] if options[:host]
+
+    if Gem.latest_rubygems_version < Gem::Version.new(Gem::VERSION) then
+      alert_error "Using beta/unreleased version of rubygems. Not pushing."
+      terminate_interaction 1
+    end
+
+    response = rubygems_api_request(*args) do |request|
+      request.body = Gem.read_binary name
+      request.add_field "Content-Length", request.body.size
+      request.add_field "Content-Type",   "application/octet-stream"
+      request.add_field "Authorization",  api_key
+    end
+
+    with_response response
+  end
+
+end
+
diff --git a/ruby_1_9_3/lib/rubygems/commands/query_command.rb b/ruby_1_9_3/lib/rubygems/commands/query_command.rb
new file mode 100644
index 0000000000..725da8787b
--- /dev/null
+++ b/ruby_1_9_3/lib/rubygems/commands/query_command.rb
@@ -0,0 +1,263 @@
+require 'rubygems/command'
+require 'rubygems/local_remote_options'
+require 'rubygems/spec_fetcher'
+require 'rubygems/version_option'
+require 'rubygems/text'
+
+class Gem::Commands::QueryCommand < Gem::Command
+
+  include Gem::Text
+  include Gem::LocalRemoteOptions
+  include Gem::VersionOption
+
+  def initialize(name = 'query',
+                 summary = 'Query gem information in local or remote repositories')
+    super name, summary,
+         :name => //, :domain => :local, :details => false, :versions => true,
+         :installed => false, :version => Gem::Requirement.default
+
+    add_option('-i', '--[no-]installed',
+               'Check for installed gem') do |value, options|
+      options[:installed] = value
+    end
+
+    add_version_option command, "for use with --installed"
+
+    add_option('-n', '--name-matches REGEXP',
+               'Name of gem(s) to query on matches the',
+               'provided REGEXP') do |value, options|
+      options[:name] = /#{value}/i
+    end
+
+    add_option('-d', '--[no-]details',
+               'Display detailed information of gem(s)') do |value, options|
+      options[:details] = value
+    end
+
+    add_option(      '--[no-]versions',
+               'Display only gem names') do |value, options|
+      options[:versions] = value
+      options[:details] = false unless value
+    end
+
+    add_option('-a', '--all',
+               'Display all gem versions') do |value, options|
+      options[:all] = value
+    end
+
+    add_option(      '--[no-]prerelease',
+               'Display prerelease versions') do |value, options|
+      options[:prerelease] = value
+    end
+
+    add_local_remote_options
+  end
+
+  def defaults_str # :nodoc:
+    "--local --name-matches // --no-details --versions --no-installed"
+  end
+
+  def execute
+    exit_code = 0
+
+    name = options[:name]
+    prerelease = options[:prerelease]
+
+    if options[:installed] then
+      if name.source.empty? then
+        alert_error "You must specify a gem name"
+        exit_code |= 4
+      elsif installed? name, options[:version] then
+        say "true"
+      else
+        say "false"
+        exit_code |= 1
+      end
+
+      terminate_interaction exit_code
+    end
+
+    req = Gem::Requirement.default
+    # TODO: deprecate for real
+    dep = Gem::Deprecate.skip_during { Gem::Dependency.new name, req }
+
+    if local? then
+      if prerelease and not both? then
+        alert_warning "prereleases are always shown locally"
+      end
+
+      if ui.outs.tty? or both? then
+        say
+        say "*** LOCAL GEMS ***"
+        say
+      end
+
+      specs = Gem::Specification.find_all { |s|
+        s.name =~ name and req =~ s.version
+      }
+
+      spec_tuples = specs.map do |spec|
+        [[spec.name, spec.version, spec.original_platform, spec], :local]
+      end
+
+      output_query_results spec_tuples
+    end
+
+    if remote? then
+      if ui.outs.tty? or both? then
+        say
+        say "*** REMOTE GEMS ***"
+        say
+      end
+
+      all = options[:all]
+
+      fetcher = Gem::SpecFetcher.fetcher
+      spec_tuples = fetcher.find_matching dep, all, false, prerelease
+
+      spec_tuples += fetcher.find_matching dep, false, false, true if
+        prerelease and all
+
+      output_query_results spec_tuples
+    end
+  end
+
+  private
+
+  ##
+  # Check if gem +name+ version +version+ is installed.
+
+  def installed?(name, req = Gem::Requirement.default)
+    Gem::Specification.any? { |s| s.name =~ name and req =~ s.version }
+  end
+
+  def output_query_results(spec_tuples)
+    output = []
+    versions = Hash.new { |h,name| h[name] = [] }
+
+    spec_tuples.each do |spec_tuple, source_uri|
+      versions[spec_tuple.first] << [spec_tuple, source_uri]
+    end
+
+    versions = versions.sort_by do |(name,_),_|
+      name.downcase
+    end
+
+    versions.each do |gem_name, matching_tuples|
+      matching_tuples = matching_tuples.sort_by do |(_, version,_),_|
+        version
+      end.reverse
+
+      platforms = Hash.new { |h,version| h[version] = [] }
+
+      matching_tuples.map do |(_, version, platform,_),_|
+        platforms[version] << platform if platform
+      end
+
+      seen = {}
+
+      matching_tuples.delete_if do |(_, version,_),_|
+        if seen[version] then
+          true
+        else
+          seen[version] = true
+          false
+        end
+      end
+
+      entry = gem_name.dup
+
+      if options[:versions] then
+        list = if platforms.empty? or options[:details] then
+                 matching_tuples.map { |(_, version,_),_| version }.uniq
+               else
+                 platforms.sort.reverse.map do |version, pls|
+                   if pls == [Gem::Platform::RUBY] then
+                     version
+                   else
+                     ruby = pls.delete Gem::Platform::RUBY
+                     platform_list = [ruby, *pls.sort].compact
+                     "#{version} #{platform_list.join ' '}"
+                   end
+                 end
+               end.join ', '
+
+        entry << " (#{list})"
+      end
+
+      if options[:details] then
+        detail_tuple = matching_tuples.first
+
+        spec = if detail_tuple.first.length == 4 then
+                 detail_tuple.first.last
+               else
+                 uri = URI.parse detail_tuple.last
+                 Gem::SpecFetcher.fetcher.fetch_spec detail_tuple.first, uri
+               end
+
+        entry << "\n"
+
+        non_ruby = platforms.any? do |_, pls|
+          pls.any? { |pl| pl != Gem::Platform::RUBY }
+        end
+
+        if non_ruby then
+          if platforms.length == 1 then
+            title = platforms.values.length == 1 ? 'Platform' : 'Platforms'
+            entry << "    #{title}: #{platforms.values.sort.join ', '}\n"
+          else
+            entry << "    Platforms:\n"
+            platforms.sort_by do |version,|
+              version
+            end.each do |version, pls|
+              label = "        #{version}: "
+              data = format_text pls.sort.join(', '), 68, label.length
+              data[0, label.length] = label
+              entry << data << "\n"
+            end
+          end
+        end
+
+        authors = "Author#{spec.authors.length > 1 ? 's' : ''}: "
+        authors << spec.authors.join(', ')
+        entry << format_text(authors, 68, 4)
+
+        if spec.rubyforge_project and not spec.rubyforge_project.empty? then
+          rubyforge = "Rubyforge: http://rubyforge.org/projects/#{spec.rubyforge_project}"
+          entry << "\n" << format_text(rubyforge, 68, 4)
+        end
+
+        if spec.homepage and not spec.homepage.empty? then
+          entry << "\n" << format_text("Homepage: #{spec.homepage}", 68, 4)
+        end
+
+        if spec.license and not spec.license.empty? then
+          licenses = "License#{spec.licenses.length > 1 ? 's' : ''}: "
+          licenses << spec.licenses.join(', ')
+          entry << "\n" << format_text(licenses, 68, 4)
+        end
+
+        if spec.loaded_from then
+          if matching_tuples.length == 1 then
+            loaded_from = File.dirname File.dirname(spec.loaded_from)
+            entry << "\n" << "    Installed at: #{loaded_from}"
+          else
+            label = 'Installed at'
+            matching_tuples.each do |(_,version,_,s),|
+              loaded_from = File.dirname File.dirname(s.loaded_from)
+              entry << "\n" << "    #{label} (#{version}): #{loaded_from}"
+              label = ' ' * label.length
+            end
+          end
+        end
+
+        entry << "\n\n" << format_text(spec.summary, 68, 4)
+      end
+      output << entry
+    end
+
+    say output.join(options[:details] ? "\n\n" : "\n")
+  end
+
+end
+
diff --git a/ruby_1_9_3/lib/rubygems/commands/rdoc_command.rb b/ruby_1_9_3/lib/rubygems/commands/rdoc_command.rb
new file mode 100644
index 0000000000..ea0f3ad592
--- /dev/null
+++ b/ruby_1_9_3/lib/rubygems/commands/rdoc_command.rb
@@ -0,0 +1,91 @@
+require 'rubygems/command'
+require 'rubygems/version_option'
+require 'rubygems/doc_manager'
+
+class Gem::Commands::RdocCommand < Gem::Command
+  include Gem::VersionOption
+
+  def initialize
+    super 'rdoc', 'Generates RDoc for pre-installed gems',
+          :version => Gem::Requirement.default,
+          :include_rdoc => true, :include_ri => true, :overwrite => false
+
+    add_option('--all',
+               'Generate RDoc/RI documentation for all',
+               'installed gems') do |value, options|
+      options[:all] = value
+    end
+
+    add_option('--[no-]rdoc',
+               'Generate RDoc HTML') do |value, options|
+      options[:include_rdoc] = value
+    end
+
+    add_option('--[no-]ri',
+               'Generate RI data') do |value, options|
+      options[:include_ri] = value
+    end
+
+    add_option('--[no-]overwrite',
+               'Overwrite installed documents') do |value, options|
+      options[:overwrite] = value
+    end
+
+    add_version_option
+  end
+
+  def arguments # :nodoc:
+    "GEMNAME       gem to generate documentation for (unless --all)"
+  end
+
+  def defaults_str # :nodoc:
+    "--version '#{Gem::Requirement.default}' --rdoc --ri --no-overwrite"
+  end
+
+  def description # :nodoc:
+    <<-DESC
+The rdoc command builds RDoc and RI documentation for installed gems.  Use
+--overwrite to force rebuilding of documentation.
+    DESC
+  end
+
+  def usage # :nodoc:
+    "#{program_name} [args]"
+  end
+
+  def execute
+    if options[:all] then
+      specs = Gem::SourceIndex.from_installed_gems.collect { |name, spec|
+        spec
+      }
+    else
+      gem_name = get_one_gem_name
+      dep = Gem::Dependency.new gem_name, options[:version]
+      specs = Gem::SourceIndex.from_installed_gems.search dep
+    end
+
+    if specs.empty?
+      raise "Failed to find gem #{gem_name} to generate RDoc for #{options[:version]}"
+    end
+
+    if options[:include_ri]
+      specs.sort.each do |spec|
+        doc = Gem::DocManager.new(spec)
+        doc.generate_ri if options[:overwrite] || !doc.ri_installed?
+      end
+
+      Gem::DocManager.update_ri_cache
+    end
+
+    if options[:include_rdoc]
+      specs.sort.each do |spec|
+        doc = Gem::DocManager.new(spec)
+        doc.generate_rdoc if options[:overwrite] || !doc.rdoc_installed?
+      end
+    end
+
+    true
+  end
+
+end
+
diff --git a/ruby_1_9_3/lib/rubygems/commands/search_command.rb b/ruby_1_9_3/lib/rubygems/commands/search_command.rb
new file mode 100644
index 0000000000..52e96fd1ef
--- /dev/null
+++ b/ruby_1_9_3/lib/rubygems/commands/search_command.rb
@@ -0,0 +1,31 @@
+require 'rubygems/command'
+require 'rubygems/commands/query_command'
+
+class Gem::Commands::SearchCommand < Gem::Commands::QueryCommand
+
+  def initialize
+    super 'search', 'Display all gems whose name contains STRING'
+
+    remove_option '--name-matches'
+  end
+
+  def arguments # :nodoc:
+    "STRING        fragment of gem name to search for"
+  end
+
+  def defaults_str # :nodoc:
+    "--local --no-details"
+  end
+
+  def usage # :nodoc:
+    "#{program_name} [STRING]"
+  end
+
+  def execute
+    string = get_one_optional_argument
+    options[:name] = /#{string}/i
+    super
+  end
+
+end
+
diff --git a/ruby_1_9_3/lib/rubygems/commands/server_command.rb b/ruby_1_9_3/lib/rubygems/commands/server_command.rb
new file mode 100644
index 0000000000..b65d48c4fc
--- /dev/null
+++ b/ruby_1_9_3/lib/rubygems/commands/server_command.rb
@@ -0,0 +1,86 @@
+require 'rubygems/command'
+require 'rubygems/server'
+
+class Gem::Commands::ServerCommand < Gem::Command
+
+  def initialize
+    super 'server', 'Documentation and gem repository HTTP server',
+          :port => 8808, :gemdir => [], :daemon => false
+
+    OptionParser.accept :Port do |port|
+      if port =~ /\A\d+\z/ then
+        port = Integer port
+        raise OptionParser::InvalidArgument, "#{port}: not a port number" if
+          port > 65535
+
+        port
+      else
+        begin
+          Socket.getservbyname port
+        rescue SocketError
+          raise OptionParser::InvalidArgument, "#{port}: no such named service"
+        end
+      end
+    end
+
+    add_option '-p', '--port=PORT', :Port,
+               'port to listen on' do |port, options|
+      options[:port] = port
+    end
+
+    add_option '-d', '--dir=GEMDIR',
+               'directories from which to serve gems',
+               'multiple directories may be provided' do |gemdir, options|
+      options[:gemdir] << File.expand_path(gemdir)
+    end
+
+    add_option '--[no-]daemon', 'run as a daemon' do |daemon, options|
+      options[:daemon] = daemon
+    end
+
+    add_option '-b', '--bind=HOST,HOST',
+               'addresses to bind', Array do |address, options|
+      options[:addresses] ||= []
+      options[:addresses].push(*address)
+    end
+
+    add_option '-l', '--launch[=COMMAND]',
+               'launches a browser window',
+               "COMMAND defaults to 'start' on Windows",
+               "and 'open' on all other platforms" do |launch, options|
+      launch ||= Gem.win_platform? ? 'start' : 'open'
+      options[:launch] = launch
+    end
+  end
+
+  def defaults_str # :nodoc:
+    "--port 8808 --dir #{Gem.dir} --no-daemon"
+  end
+
+  def description # :nodoc:
+    <<-EOF
+The server command starts up a web server that hosts the RDoc for your
+installed gems and can operate as a server for installation of gems on other
+machines.
+
+The cache files for installed gems must exist to use the server as a source
+for gem installation.
+
+To install gems from a running server, use `gem install GEMNAME --source
+http://gem_server_host:8808`
+
+You can set up a shortcut to gem server documentation using the URL:
+
+  http://localhost:8808/rdoc?q=%s - Firefox
+  http://localhost:8808/rdoc?q=* - LaunchBar
+
+    EOF
+  end
+
+  def execute
+    options[:gemdir] << Gem.dir if options[:gemdir].empty?
+    Gem::Server.run options
+  end
+
+end
+
diff --git a/ruby_1_9_3/lib/rubygems/commands/setup_command.rb b/ruby_1_9_3/lib/rubygems/commands/setup_command.rb
new file mode 100644
index 0000000000..0c957393d9
--- /dev/null
+++ b/ruby_1_9_3/lib/rubygems/commands/setup_command.rb
@@ -0,0 +1,358 @@
+require 'rubygems/command'
+
+##
+# Installs RubyGems itself.  This command is ordinarily only available from a
+# RubyGems checkout or tarball.
+
+class Gem::Commands::SetupCommand < Gem::Command
+
+  def initialize
+    require 'tmpdir'
+
+    super 'setup', 'Install RubyGems',
+          :format_executable => true, :rdoc => true, :ri => true,
+          :site_or_vendor => :sitelibdir,
+          :destdir => '', :prefix => ''
+
+    add_option '--prefix=PREFIX',
+               'Prefix path for installing RubyGems',
+               'Will not affect gem repository location' do |prefix, options|
+      options[:prefix] = File.expand_path prefix
+    end
+
+    add_option '--destdir=DESTDIR',
+               'Root directory to install RubyGems into',
+               'Mainly used for packaging RubyGems' do |destdir, options|
+      options[:destdir] = File.expand_path destdir
+    end
+
+    add_option '--[no-]vendor',
+               'Install into vendorlibdir not sitelibdir' do |vendor, options|
+      options[:site_or_vendor] = vendor ? :vendorlibdir : :sitelibdir
+    end
+
+    add_option '--[no-]format-executable',
+               'Makes `gem` match ruby',
+               'If ruby is ruby18, gem will be gem18' do |value, options|
+      options[:format_executable] = value
+    end
+
+    add_option '--[no-]rdoc',
+               'Generate RDoc documentation for RubyGems' do |value, options|
+      options[:rdoc] = value
+    end
+
+    add_option '--[no-]ri',
+               'Generate RI documentation for RubyGems' do |value, options|
+      options[:ri] = value
+    end
+  end
+
+  def check_ruby_version
+    required_version = Gem::Requirement.new '>= 1.8.7'
+
+    unless required_version.satisfied_by? Gem.ruby_version then
+      alert_error "Expected Ruby version #{required_version}, is #{Gem.ruby_version}"
+      terminate_interaction 1
+    end
+  end
+
+  def defaults_str # :nodoc:
+    "--format-executable --rdoc --ri"
+  end
+
+  def description # :nodoc:
+    <<-EOF
+Installs RubyGems itself.
+
+RubyGems installs RDoc for itself in GEM_HOME.  By default this is:
+  #{Gem.dir}
+
+If you prefer a different directory, set the GEM_HOME environment variable.
+
+RubyGems will install the gem command with a name matching ruby's
+prefix and suffix.  If ruby was installed as `ruby18`, gem will be
+installed as `gem18`.
+
+By default, this RubyGems will install gem as:
+  #{Gem.default_exec_format % 'gem'}
+    EOF
+  end
+
+  def execute
+    @verbose = Gem.configuration.really_verbose
+
+    install_destdir = options[:destdir]
+
+    unless install_destdir.empty? then
+      ENV['GEM_HOME'] ||= File.join(install_destdir,
+                                    Gem.default_dir.gsub(/^[a-zA-Z]:/, ''))
+    end
+
+    check_ruby_version
+
+    require 'fileutils'
+    if Gem.configuration.really_verbose then
+      extend FileUtils::Verbose
+    else
+      extend FileUtils
+    end
+
+    lib_dir, bin_dir = make_destination_dirs install_destdir
+
+    install_lib lib_dir
+
+    install_executables bin_dir
+
+    remove_old_bin_files bin_dir
+
+    say "RubyGems #{Gem::VERSION} installed"
+
+    uninstall_old_gemcutter
+
+    install_rdoc
+
+    say
+    if @verbose then
+      say "-" * 78
+      say
+    end
+
+    release_notes = File.join Dir.pwd, 'History.txt'
+
+    release_notes = if File.exist? release_notes then
+                      open release_notes do |io|
+                        text = io.gets '==='
+                        text << io.gets('===')
+                        text[0...-3].sub(/^# coding:.*?^=/m, '')
+                      end
+                    else
+                      "Oh-no! Unable to find release notes!"
+                    end
+
+    say release_notes
+
+    say
+    say "-" * 78
+    say
+
+    say "RubyGems installed the following executables:"
+    say @bin_file_names.map { |name| "\t#{name}\n" }
+    say
+
+    unless @bin_file_names.grep(/#{File::SEPARATOR}gem$/) then
+      say "If `gem` was installed by a previous RubyGems installation, you may need"
+      say "to remove it by hand."
+      say
+    end
+  end
+
+  def install_executables(bin_dir)
+    say "Installing gem executable" if @verbose
+
+    @bin_file_names = []
+
+    Dir.chdir 'bin' do
+      bin_files = Dir['*']
+
+      bin_files.delete 'update_rubygems'
+
+      bin_files.each do |bin_file|
+        bin_file_formatted = if options[:format_executable] then
+                               Gem.default_exec_format % bin_file
+                             else
+                               bin_file
+                             end
+
+        dest_file = File.join bin_dir, bin_file_formatted
+        bin_tmp_file = File.join Dir.tmpdir, bin_file
+
+        begin
+          bin = File.readlines bin_file
+          bin[0] = "#!#{Gem.ruby}\n"
+
+          File.open bin_tmp_file, 'w' do |fp|
+            fp.puts bin.join
+          end
+
+          install bin_tmp_file, dest_file, :mode => 0755
+          @bin_file_names << dest_file
+        ensure
+          rm bin_tmp_file
+        end
+
+        next unless Gem.win_platform?
+
+        begin
+          bin_cmd_file = File.join Dir.tmpdir, "#{bin_file}.bat"
+
+          File.open bin_cmd_file, 'w' do |file|
+            file.puts <<-TEXT
+@ECHO OFF
+IF NOT "%~f0" == "~f0" GOTO :WinNT
+@"#{File.basename(Gem.ruby).chomp('"')}" "#{dest_file}" %1 %2 %3 %4 %5 %6 %7 %8 %9
+GOTO :EOF
+:WinNT
+@"#{File.basename(Gem.ruby).chomp('"')}" "%~dpn0" %*
+TEXT
+          end
+
+          install bin_cmd_file, "#{dest_file}.bat", :mode => 0755
+        ensure
+          rm bin_cmd_file
+        end
+      end
+    end
+  end
+
+  def install_lib(lib_dir)
+    say "Installing RubyGems" if @verbose
+
+    Dir.chdir 'lib' do
+      lib_files = Dir[File.join('**', '*rb')]
+
+      lib_files.each do |lib_file|
+        dest_file = File.join lib_dir, lib_file
+        dest_dir = File.dirname dest_file
+        mkdir_p dest_dir unless File.directory? dest_dir
+
+        install lib_file, dest_file, :mode => 0644
+      end
+    end
+  end
+
+  def install_rdoc
+    gem_doc_dir = File.join Gem.dir, 'doc'
+    rubygems_name = "rubygems-#{Gem::VERSION}"
+    rubygems_doc_dir = File.join gem_doc_dir, rubygems_name
+
+    if File.writable? gem_doc_dir and
+       (not File.exist? rubygems_doc_dir or
+        File.writable? rubygems_doc_dir) then
+      say "Removing old RubyGems RDoc and ri" if @verbose
+      Dir[File.join(Gem.dir, 'doc', 'rubygems-[0-9]*')].each do |dir|
+        rm_rf dir
+      end
+
+      if options[:ri] then
+        ri_dir = File.join rubygems_doc_dir, 'ri'
+        say "Installing #{rubygems_name} ri into #{ri_dir}" if @verbose
+        run_rdoc '--ri', '--op', ri_dir
+      end
+
+      if options[:rdoc] then
+        rdoc_dir = File.join rubygems_doc_dir, 'rdoc'
+        say "Installing #{rubygems_name} rdoc into #{rdoc_dir}" if @verbose
+        run_rdoc '--op', rdoc_dir
+      end
+    elsif @verbose then
+      say "Skipping RDoc generation, #{gem_doc_dir} not writable"
+      say "Set the GEM_HOME environment variable if you want RDoc generated"
+    end
+  end
+
+  def make_destination_dirs(install_destdir)
+    lib_dir, bin_dir = Gem.default_rubygems_dirs
+
+    unless lib_dir
+      lib_dir, bin_dir = generate_default_dirs(install_destdir)
+    end
+
+    mkdir_p lib_dir
+    mkdir_p bin_dir
+
+    return lib_dir, bin_dir
+  end
+
+  def generate_default_dirs(install_destdir)
+    prefix = options[:prefix]
+    site_or_vendor = options[:site_or_vendor]
+
+    if prefix.empty? then
+      lib_dir = Gem::ConfigMap[site_or_vendor]
+      bin_dir = Gem::ConfigMap[:bindir]
+    else
+      # Apple installed RubyGems into libdir, and RubyGems <= 1.1.0 gets
+      # confused about installation location, so switch back to
+      # sitelibdir/vendorlibdir.
+      if defined?(APPLE_GEM_HOME) and
+        # just in case Apple and RubyGems don't get this patched up proper.
+        (prefix == Gem::ConfigMap[:libdir] or
+         # this one is important
+         prefix == File.join(Gem::ConfigMap[:libdir], 'ruby')) then
+         lib_dir = Gem::ConfigMap[site_or_vendor]
+         bin_dir = Gem::ConfigMap[:bindir]
+      else
+        lib_dir = File.join prefix, 'lib'
+        bin_dir = File.join prefix, 'bin'
+      end
+    end
+
+    unless install_destdir.empty? then
+      lib_dir = File.join install_destdir, lib_dir.gsub(/^[a-zA-Z]:/, '')
+      bin_dir = File.join install_destdir, bin_dir.gsub(/^[a-zA-Z]:/, '')
+    end
+
+    [lib_dir, bin_dir]
+  end
+
+  def remove_old_bin_files(bin_dir)
+    old_bin_files = {
+      'gem_mirror' => 'gem mirror',
+      'gem_server' => 'gem server',
+      'gemlock' => 'gem lock',
+      'gemri' => 'ri',
+      'gemwhich' => 'gem which',
+      'index_gem_repository.rb' => 'gem generate_index',
+    }
+
+    old_bin_files.each do |old_bin_file, new_name|
+      old_bin_path = File.join bin_dir, old_bin_file
+      next unless File.exist? old_bin_path
+
+      deprecation_message = "`#{old_bin_file}` has been deprecated.  Use `#{new_name}` instead."
+
+      File.open old_bin_path, 'w' do |fp|
+        fp.write <<-EOF
+#!#{Gem.ruby}
+
+abort "#{deprecation_message}"
+    EOF
+      end
+
+      next unless Gem.win_platform?
+
+      File.open "#{old_bin_path}.bat", 'w' do |fp|
+        fp.puts %{@ECHO.#{deprecation_message}}
+      end
+    end
+  end
+
+  def run_rdoc(*args)
+    begin
+      gem 'rdoc'
+    rescue Gem::LoadError
+    end
+
+    require 'rdoc/rdoc'
+
+    args << '--main' << 'README.rdoc' << '--quiet'
+    args << '.'
+    args << 'README.rdoc' << 'UPGRADING.rdoc'
+    args << 'LICENSE.txt' << 'MIT.txt' << 'History.txt'
+
+    r = RDoc::RDoc.new
+    r.document args
+  end
+
+  def uninstall_old_gemcutter
+    require 'rubygems/uninstaller'
+
+    ui = Gem::Uninstaller.new('gemcutter', :all => true, :ignore => true,
+                              :version => '< 0.4')
+    ui.uninstall
+  rescue Gem::InstallError
+  end
+
+end
+
diff --git a/ruby_1_9_3/lib/rubygems/commands/sources_command.rb b/ruby_1_9_3/lib/rubygems/commands/sources_command.rb
new file mode 100644
index 0000000000..ac14313e9d
--- /dev/null
+++ b/ruby_1_9_3/lib/rubygems/commands/sources_command.rb
@@ -0,0 +1,136 @@
+require 'rubygems/command'
+require 'rubygems/remote_fetcher'
+require 'rubygems/spec_fetcher'
+require 'rubygems/local_remote_options'
+
+class Gem::Commands::SourcesCommand < Gem::Command
+
+  include Gem::LocalRemoteOptions
+
+  def initialize
+    require 'fileutils'
+
+    super 'sources',
+          'Manage the sources and cache file RubyGems uses to search for gems'
+
+    add_option '-a', '--add SOURCE_URI', 'Add source' do |value, options|
+      options[:add] = value
+    end
+
+    add_option '-l', '--list', 'List sources' do |value, options|
+      options[:list] = value
+    end
+
+    add_option '-r', '--remove SOURCE_URI', 'Remove source' do |value, options|
+      options[:remove] = value
+    end
+
+    add_option '-c', '--clear-all',
+               'Remove all sources (clear the cache)' do |value, options|
+      options[:clear_all] = value
+    end
+
+    add_option '-u', '--update', 'Update source cache' do |value, options|
+      options[:update] = value
+    end
+
+    add_proxy_option
+  end
+
+  def defaults_str
+    '--list'
+  end
+
+  def execute
+    options[:list] = !(options[:add] ||
+                       options[:clear_all] ||
+                       options[:remove] ||
+                       options[:update])
+
+    if options[:clear_all] then
+      path = Gem::SpecFetcher.fetcher.dir
+      FileUtils.rm_rf path
+
+      unless File.exist? path then
+        say "*** Removed specs cache ***"
+      else
+        unless File.writable? path then
+          say "*** Unable to remove source cache (write protected) ***"
+        else
+          say "*** Unable to remove source cache ***"
+        end
+
+        terminate_interaction 1
+      end
+    end
+
+    if options[:add] then
+      source_uri = options[:add]
+      uri = URI.parse source_uri
+
+      begin
+        Gem::SpecFetcher.fetcher.load_specs uri, 'specs'
+        Gem.sources << source_uri
+        Gem.configuration.write
+
+        say "#{source_uri} added to sources"
+      rescue URI::Error, ArgumentError
+        say "#{source_uri} is not a URI"
+        terminate_interaction 1
+      rescue Gem::RemoteFetcher::FetchError => e
+        say "Error fetching #{source_uri}:\n\t#{e.message}"
+        terminate_interaction 1
+      end
+    end
+
+    if options[:remove] then
+      source_uri = options[:remove]
+
+      unless Gem.sources.include? source_uri then
+        say "source #{source_uri} not present in cache"
+      else
+        Gem.sources.delete source_uri
+        Gem.configuration.write
+
+        say "#{source_uri} removed from sources"
+      end
+    end
+
+    if options[:update] then
+      fetcher = Gem::SpecFetcher.fetcher
+
+      Gem.sources.each do |update_uri|
+        update_uri = URI.parse update_uri
+        fetcher.load_specs update_uri, 'specs'
+        fetcher.load_specs update_uri, 'latest_specs'
+      end
+
+      say "source cache successfully updated"
+    end
+
+    if options[:list] then
+      say "*** CURRENT SOURCES ***"
+      say
+
+      Gem.sources.each do |source|
+        say source
+      end
+    end
+  end
+
+  private
+
+  def remove_cache_file(desc, path)
+    FileUtils.rm_rf path
+
+    if not File.exist?(path) then
+      say "*** Removed #{desc} source cache ***"
+    elsif not File.writable?(path) then
+      say "*** Unable to remove #{desc} source cache (write protected) ***"
+    else
+      say "*** Unable to remove #{desc} source cache ***"
+    end
+  end
+
+end
+
diff --git a/ruby_1_9_3/lib/rubygems/commands/specification_command.rb b/ruby_1_9_3/lib/rubygems/commands/specification_command.rb
new file mode 100644
index 0000000000..566a9cc66e
--- /dev/null
+++ b/ruby_1_9_3/lib/rubygems/commands/specification_command.rb
@@ -0,0 +1,131 @@
+require 'rubygems/command'
+require 'rubygems/local_remote_options'
+require 'rubygems/version_option'
+require 'rubygems/format'
+
+class Gem::Commands::SpecificationCommand < Gem::Command
+
+  include Gem::LocalRemoteOptions
+  include Gem::VersionOption
+
+  def initialize
+    Gem.load_yaml
+
+    super 'specification', 'Display gem specification (in yaml)',
+          :domain => :local, :version => Gem::Requirement.default,
+          :format => :yaml
+
+    add_version_option('examine')
+    add_platform_option
+
+    add_option('--all', 'Output specifications for all versions of',
+               'the gem') do |value, options|
+      options[:all] = true
+    end
+
+    add_option('--ruby', 'Output ruby format') do |value, options|
+      options[:format] = :ruby
+    end
+
+    add_option('--yaml', 'Output RUBY format') do |value, options|
+      options[:format] = :yaml
+    end
+
+    add_option('--marshal', 'Output Marshal format') do |value, options|
+      options[:format] = :marshal
+    end
+
+    add_local_remote_options
+  end
+
+  def arguments # :nodoc:
+    <<-ARGS
+GEMFILE       name of gem to show the gemspec for
+FIELD         name of gemspec field to show
+    ARGS
+  end
+
+  def defaults_str # :nodoc:
+    "--local --version '#{Gem::Requirement.default}' --yaml"
+  end
+
+  def usage # :nodoc:
+    "#{program_name} [GEMFILE] [FIELD]"
+  end
+
+  def execute
+    specs = []
+    gem = options[:args].shift
+
+    unless gem then
+      raise Gem::CommandLineError,
+            "Please specify a gem name or file on the command line"
+    end
+
+    case options[:version]
+    when String
+      req = Gem::Requirement.parse options[:version]
+    when Gem::Requirement
+      req = options[:version]
+    else
+      raise Gem::CommandLineError, "Unsupported version type: #{options[:version]}"
+    end
+
+    if !req.none? and options[:all]
+      alert_error "Specify --all or -v, not both"
+      terminate_interaction 1
+    end
+
+    if options[:all]
+      dep = Gem::Dependency.new gem
+    else
+      dep = Gem::Dependency.new gem, options[:version]
+    end
+
+    field = get_one_optional_argument
+
+    raise Gem::CommandLineError, "--ruby and FIELD are mutually exclusive" if
+      field and options[:format] == :ruby
+
+    if local? then
+      if File.exist? gem then
+        specs << Gem::Format.from_file_by_path(gem).spec rescue nil
+      end
+
+      if specs.empty? then
+        specs.push(*dep.matching_specs)
+      end
+    end
+
+    if remote? then
+      found = Gem::SpecFetcher.fetcher.fetch dep, true
+
+      if dep.prerelease? or options[:prerelease]
+        found += Gem::SpecFetcher.fetcher.fetch dep, false, true, true
+      end
+
+      specs.push(*found.map { |spec,| spec })
+    end
+
+    if specs.empty? then
+      alert_error "Unknown gem '#{gem}'"
+      terminate_interaction 1
+    end
+
+    unless options[:all] then
+      specs = [specs.sort_by { |s| s.version }.last]
+    end
+
+    specs.each do |s|
+      s = s.send field if field
+
+      say case options[:format]
+          when :ruby then s.to_ruby
+          when :marshal then Marshal.dump s
+          else s.to_yaml
+          end
+
+      say "\n"
+    end
+  end
+end
diff --git a/ruby_1_9_3/lib/rubygems/commands/stale_command.rb b/ruby_1_9_3/lib/rubygems/commands/stale_command.rb
new file mode 100644
index 0000000000..36c517e27c
--- /dev/null
+++ b/ruby_1_9_3/lib/rubygems/commands/stale_command.rb
@@ -0,0 +1,28 @@
+require 'rubygems/command'
+
+class Gem::Commands::StaleCommand < Gem::Command
+  def initialize
+    super('stale', 'List gems along with access times')
+  end
+
+  def usage # :nodoc:
+    "#{program_name}"
+  end
+
+  def execute
+    gem_to_atime = {}
+    Gem::Specification.each do |spec|
+      name = spec.full_name
+      Dir["#{spec.full_gem_path}/**/*.*"].each do |file|
+        next if File.directory?(file)
+        stat = File.stat(file)
+        gem_to_atime[name] ||= stat.atime
+        gem_to_atime[name] = stat.atime if gem_to_atime[name] < stat.atime
+      end
+    end
+
+    gem_to_atime.sort_by { |_, atime| atime }.each do |name, atime|
+      say "#{name} at #{atime.strftime '%c'}"
+    end
+  end
+end
diff --git a/ruby_1_9_3/lib/rubygems/commands/uninstall_command.rb b/ruby_1_9_3/lib/rubygems/commands/uninstall_command.rb
new file mode 100644
index 0000000000..aaadb762b5
--- /dev/null
+++ b/ruby_1_9_3/lib/rubygems/commands/uninstall_command.rb
@@ -0,0 +1,94 @@
+require 'rubygems/command'
+require 'rubygems/version_option'
+require 'rubygems/uninstaller'
+
+##
+# Gem uninstaller command line tool
+#
+# See `gem help uninstall`
+
+class Gem::Commands::UninstallCommand < Gem::Command
+
+  include Gem::VersionOption
+
+  def initialize
+    super 'uninstall', 'Uninstall gems from the local repository',
+          :version => Gem::Requirement.default, :user_install => true
+
+    add_option('-a', '--[no-]all',
+      'Uninstall all matching versions'
+      ) do |value, options|
+      options[:all] = value
+    end
+
+    add_option('-I', '--[no-]ignore-dependencies',
+               'Ignore dependency requirements while',
+               'uninstalling') do |value, options|
+      options[:ignore] = value
+    end
+
+    add_option('-x', '--[no-]executables',
+                 'Uninstall applicable executables without',
+                 'confirmation') do |value, options|
+      options[:executables] = value
+    end
+
+    add_option('-i', '--install-dir DIR',
+               'Directory to uninstall gem from') do |value, options|
+      options[:install_dir] = File.expand_path(value)
+    end
+
+    add_option('-n', '--bindir DIR',
+               'Directory to remove binaries from') do |value, options|
+      options[:bin_dir] = File.expand_path(value)
+    end
+
+    add_option('--[no-]user-install',
+               'Uninstall from user\'s home directory',
+               'in addition to GEM_HOME.') do |value, options|
+      options[:user_install] = value
+    end
+
+    add_option('--[no-]format-executable',
+               'Assume executable names match Ruby\'s prefix and suffix.') do |value, options|
+      options[:format_executable] = value
+    end
+
+    add_version_option
+    add_platform_option
+  end
+
+  def arguments # :nodoc:
+    "GEMNAME       name of gem to uninstall"
+  end
+
+  def defaults_str # :nodoc:
+    "--version '#{Gem::Requirement.default}' --no-force " \
+    "--install-dir #{Gem.dir}\n" \
+    "--user-install"
+  end
+
+  def usage # :nodoc:
+    "#{program_name} GEMNAME [GEMNAME ...]"
+  end
+
+  def execute
+    original_path = Gem.path
+
+    get_all_gem_names.each do |gem_name|
+      begin
+        Gem::Uninstaller.new(gem_name, options).uninstall
+      rescue Gem::InstallError => e
+        alert e.message
+      rescue Gem::GemNotInHomeException => e
+        spec = e.spec
+        alert("In order to remove #{spec.name}, please execute:\n" \
+              "\tgem uninstall #{spec.name} --install-dir=#{spec.installation_path}")
+      ensure
+        Gem.use_paths(*original_path)
+      end
+    end
+  end
+
+end
+
diff --git a/ruby_1_9_3/lib/rubygems/commands/unpack_command.rb b/ruby_1_9_3/lib/rubygems/commands/unpack_command.rb
new file mode 100644
index 0000000000..64b8ad64f8
--- /dev/null
+++ b/ruby_1_9_3/lib/rubygems/commands/unpack_command.rb
@@ -0,0 +1,160 @@
+require 'rubygems/command'
+require 'rubygems/installer'
+require 'rubygems/version_option'
+require 'rubygems/remote_fetcher'
+
+class Gem::Commands::UnpackCommand < Gem::Command
+
+  include Gem::VersionOption
+
+  def initialize
+    require 'fileutils'
+
+    super 'unpack', 'Unpack an installed gem to the current directory',
+          :version => Gem::Requirement.default,
+          :target  => Dir.pwd
+
+    add_option('--target=DIR',
+               'target directory for unpacking') do |value, options|
+      options[:target] = value
+    end
+
+    add_option('--spec', 'unpack the gem specification') do |value, options|
+      options[:spec] = true
+    end
+
+    add_version_option
+  end
+
+  def arguments # :nodoc:
+    "GEMNAME       name of gem to unpack"
+  end
+
+  def defaults_str # :nodoc:
+    "--version '#{Gem::Requirement.default}'"
+  end
+
+  def usage # :nodoc:
+    "#{program_name} GEMNAME"
+  end
+
+  #--
+  # TODO: allow, e.g., 'gem unpack rake-0.3.1'.  Find a general solution for
+  # this, so that it works for uninstall as well.  (And check other commands
+  # at the same time.)
+
+  def execute
+    get_all_gem_names.each do |name|
+      dependency = Gem::Dependency.new name, options[:version]
+      path = get_path dependency
+
+      unless path then
+        alert_error "Gem '#{name}' not installed nor fetchable."
+        next
+      end
+
+      if @options[:spec] then
+        spec, metadata = get_metadata path
+
+        if metadata.nil? then
+          alert_error "--spec is unsupported on '#{name}' (old format gem)"
+          next
+        end
+
+        spec_file = File.basename spec.spec_file
+
+        open spec_file, 'w' do |io|
+          io.write metadata
+        end
+      else
+        basename = File.basename path, '.gem'
+        target_dir = File.expand_path basename, options[:target]
+        FileUtils.mkdir_p target_dir
+        Gem::Installer.new(path, :unpack => true).unpack target_dir
+        say "Unpacked gem: '#{target_dir}'"
+      end
+    end
+  end
+
+  ##
+  #
+  # Find cached filename in Gem.path. Returns nil if the file cannot be found.
+  #
+  #--
+  # TODO: see comments in get_path() about general service.
+
+  def find_in_cache(filename)
+    Gem.path.each do |path|
+      this_path = File.join(path, "cache", filename)
+      return this_path if File.exist? this_path
+    end
+
+    return nil
+  end
+
+  ##
+  # Return the full path to the cached gem file matching the given
+  # name and version requirement.  Returns 'nil' if no match.
+  #
+  # Example:
+  #
+  #   get_path 'rake', '> 0.4' # "/usr/lib/ruby/gems/1.8/cache/rake-0.4.2.gem"
+  #   get_path 'rake', '< 0.1' # nil
+  #   get_path 'rak'           # nil (exact name required)
+  #--
+  # TODO: This should be refactored so that it's a general service. I don't
+  # think any of our existing classes are the right place though.  Just maybe
+  # 'Cache'?
+  #
+  # TODO: It just uses Gem.dir for now.  What's an easy way to get the list of
+  # source directories?
+
+  def get_path dependency
+    return dependency.name if dependency.name =~ /\.gem$/i
+
+    specs = dependency.matching_specs
+
+    selected = specs.sort_by { |s| s.version }.last # HACK: hunt last down
+
+    return Gem::RemoteFetcher.fetcher.download_to_cache(dependency) unless
+      selected
+
+    return unless dependency.name =~ /^#{selected.name}$/i
+
+    # We expect to find (basename).gem in the 'cache' directory.  Furthermore,
+    # the name match must be exact (ignoring case).
+
+    path = find_in_cache File.basename selected.cache_file
+
+    return Gem::RemoteFetcher.fetcher.download_to_cache(dependency) unless path
+
+    path
+  end
+
+  ##
+  # Extracts the Gem::Specification and raw metadata from the .gem file at
+  # +path+.
+
+  def get_metadata path
+    format = Gem::Format.from_file_by_path path
+    spec = format.spec
+
+    metadata = nil
+
+    open path, Gem.binary_mode do |io|
+      tar = Gem::Package::TarReader.new io
+      tar.each_entry do |entry|
+        case entry.full_name
+        when 'metadata' then
+          metadata = entry.read
+        when 'metadata.gz' then
+          metadata = Gem.gunzip entry.read
+        end
+      end
+    end
+
+    return spec, metadata
+  end
+
+end
+
diff --git a/ruby_1_9_3/lib/rubygems/commands/update_command.rb b/ruby_1_9_3/lib/rubygems/commands/update_command.rb
new file mode 100644
index 0000000000..d63b943c56
--- /dev/null
+++ b/ruby_1_9_3/lib/rubygems/commands/update_command.rb
@@ -0,0 +1,232 @@
+require 'rubygems/command'
+require 'rubygems/command_manager'
+require 'rubygems/install_update_options'
+require 'rubygems/local_remote_options'
+require 'rubygems/spec_fetcher'
+require 'rubygems/version_option'
+require 'rubygems/commands/install_command'
+
+class Gem::Commands::UpdateCommand < Gem::Command
+
+  include Gem::InstallUpdateOptions
+  include Gem::LocalRemoteOptions
+  include Gem::VersionOption
+
+  def initialize
+    super 'update',
+          'Update the named gems (or all installed gems) in the local repository',
+      :generate_rdoc => true,
+      :generate_ri   => true,
+      :force         => false
+
+    add_install_update_options
+
+    OptionParser.accept Gem::Version do |value|
+      Gem::Version.new value
+
+      value
+    end
+
+    add_option('--system [VERSION]', Gem::Version,
+               'Update the RubyGems system software') do |value, options|
+      value = true unless value
+
+      options[:system] = value
+    end
+
+    add_local_remote_options
+    add_platform_option
+    add_prerelease_option "as update targets"
+  end
+
+  def arguments # :nodoc:
+    "GEMNAME       name of gem to update"
+  end
+
+  def defaults_str # :nodoc:
+    "--rdoc --ri --no-force --install-dir #{Gem.dir}"
+  end
+
+  def usage # :nodoc:
+    "#{program_name} GEMNAME [GEMNAME ...]"
+  end
+
+  def execute
+    @installer = Gem::DependencyInstaller.new options
+    @updated   = []
+
+    hig = {}
+
+    if options[:system] then
+      update_rubygems
+      return
+    else
+      say "Updating installed gems"
+
+      hig = {} # highest installed gems
+
+      Gem::Specification.each do |spec|
+        if hig[spec.name].nil? or hig[spec.name].version < spec.version then
+          hig[spec.name] = spec
+        end
+      end
+    end
+
+    gems_to_update = which_to_update hig, options[:args].uniq
+
+    updated = update_gems gems_to_update
+
+    if updated.empty? then
+      say "Nothing to update"
+    else
+      say "Gems updated: #{updated.map { |spec| spec.name }.join ', '}"
+
+      if options[:generate_ri] then
+        updated.each do |gem|
+          Gem::DocManager.new(gem, options[:rdoc_args]).generate_ri
+        end
+
+        Gem::DocManager.update_ri_cache
+      end
+
+      if options[:generate_rdoc] then
+        updated.each do |gem|
+          Gem::DocManager.new(gem, options[:rdoc_args]).generate_rdoc
+        end
+      end
+    end
+  end
+
+  def update_gem name, version = Gem::Requirement.default
+    return if @updated.any? { |spec| spec.name == name }
+    success = false
+
+    say "Updating #{name}"
+    begin
+      @installer.install name, version
+      success = true
+    rescue Gem::InstallError => e
+      alert_error "Error installing #{name}:\n\t#{e.message}"
+      success = false
+    end
+
+    @installer.installed_gems.each do |spec|
+      @updated << spec
+      say "Successfully installed #{spec.full_name}" if success
+    end
+  end
+
+  def update_gems gems_to_update
+    gems_to_update.uniq.sort.each do |(name, version)|
+      update_gem name, version
+    end
+
+    @updated
+  end
+
+  ##
+  # Update RubyGems software to the latest version.
+
+  def update_rubygems
+    unless options[:args].empty? then
+      alert_error "Gem names are not allowed with the --system option"
+      terminate_interaction 1
+    end
+
+    options[:user_install] = false
+
+    # TODO: rename version and other variable name conflicts
+    # TODO: get rid of all this indirection on name and other BS
+
+    version = options[:system]
+    if version == true then
+      version     = Gem::Version.new     Gem::VERSION
+      requirement = Gem::Requirement.new ">= #{Gem::VERSION}"
+    else
+      version     = Gem::Version.new     version
+      requirement = Gem::Requirement.new version
+    end
+
+    rubygems_update         = Gem::Specification.new
+    rubygems_update.name    = 'rubygems-update'
+    rubygems_update.version = version
+
+    hig = {
+      'rubygems-update' => rubygems_update
+    }
+
+    gems_to_update = which_to_update hig, options[:args], :system
+    name, up_ver   = gems_to_update.first
+    current_ver    = Gem::Version.new Gem::VERSION
+
+    target = if options[:system] == true then
+               up_ver
+             else
+               version
+             end
+
+    if current_ver == target then
+      # if options[:system] != true and version == current_ver then
+      say "Latest version currently installed. Aborting."
+      terminate_interaction
+    end
+
+    update_gem name, target
+
+    installed_gems = Gem::Specification.find_all_by_name 'rubygems-update', requirement
+    version        = installed_gems.last.version
+
+    args = []
+    args << '--prefix' << Gem.prefix if Gem.prefix
+    args << '--no-rdoc' unless options[:generate_rdoc]
+    args << '--no-ri' unless options[:generate_ri]
+    args << '--no-format-executable' if options[:no_format_executable]
+
+    update_dir = File.join Gem.dir, 'gems', "rubygems-update-#{version}"
+
+    Dir.chdir update_dir do
+      say "Installing RubyGems #{version}"
+      setup_cmd = "#{Gem.ruby} setup.rb #{args.join ' '}"
+
+      # Make sure old rubygems isn't loaded
+      old = ENV["RUBYOPT"]
+      ENV.delete("RUBYOPT") if old
+      installed = system setup_cmd
+      say "RubyGems system software updated" if installed
+      ENV["RUBYOPT"] = old if old
+    end
+  end
+
+  def which_to_update highest_installed_gems, gem_names, system = false
+    result = []
+
+    highest_installed_gems.each do |l_name, l_spec|
+      next if not gem_names.empty? and
+              gem_names.all? { |name| /#{name}/ !~ l_spec.name }
+
+      dependency = Gem::Dependency.new l_spec.name, "> #{l_spec.version}"
+
+      fetcher = Gem::SpecFetcher.fetcher
+      spec_tuples = fetcher.find_matching dependency
+
+      matching_gems = spec_tuples.select do |(name, _, platform),|
+        name == l_name and Gem::Platform.match platform
+      end
+
+      highest_remote_gem = matching_gems.sort_by do |(_, version),|
+        version
+      end.last
+
+      highest_remote_gem ||= [[nil, Gem::Version.new(0), nil]] # "null" object
+      highest_remote_ver = highest_remote_gem.first[1]
+
+      if system or (l_spec.version < highest_remote_ver) then
+        result << [l_spec.name, [l_spec.version, highest_remote_ver].max]
+      end
+    end
+
+    result
+  end
+
+end
+
diff --git a/ruby_1_9_3/lib/rubygems/commands/which_command.rb b/ruby_1_9_3/lib/rubygems/commands/which_command.rb
new file mode 100644
index 0000000000..6495278a87
--- /dev/null
+++ b/ruby_1_9_3/lib/rubygems/commands/which_command.rb
@@ -0,0 +1,82 @@
+require 'rubygems/command'
+
+class Gem::Commands::WhichCommand < Gem::Command
+  def initialize
+    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|
+      options[:show_all] = show_all
+    end
+
+    add_option '-g', '--[no-]gems-first',
+               'search gems before non-gems' do |gems_first, options|
+      options[:search_gems_first] = gems_first
+    end
+  end
+
+  def arguments # :nodoc:
+    "FILE          name of file to find"
+  end
+
+  def defaults_str # :nodoc:
+    "--no-gems-first --no-all"
+  end
+
+  def execute
+    found = false
+
+    options[:args].each do |arg|
+      arg = arg.sub(/#{Regexp.union(*Gem.suffixes)}$/, '')
+      dirs = $LOAD_PATH
+
+      spec = Gem::Specification.find_by_path arg
+
+      if spec then
+        if options[:search_gems_first] then
+          dirs = gem_paths(spec) + $LOAD_PATH
+        else
+          dirs = $LOAD_PATH + gem_paths(spec)
+        end
+      end
+
+      # TODO: this is totally redundant and stupid
+      paths = find_paths arg, dirs
+
+      if paths.empty? then
+        alert_error "Can't find ruby library file or shared library #{arg}"
+      else
+        say paths
+        found = true
+      end
+    end
+
+    terminate_interaction 1 unless found
+  end
+
+  def find_paths(package_name, dirs)
+    result = []
+
+    dirs.each do |dir|
+      Gem.suffixes.each do |ext|
+        full_path = File.join dir, "#{package_name}#{ext}"
+        if File.exist? full_path and not File.directory? full_path then
+          result << full_path
+          return result unless options[:show_all]
+        end
+      end
+    end
+
+    result
+  end
+
+  def gem_paths(spec)
+    spec.require_paths.collect { |d| File.join spec.full_gem_path, d }
+  end
+
+  def usage # :nodoc:
+    "#{program_name} FILE [FILE ...]"
+  end
+
+end
+