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ruby19
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lib64
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ruby
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1.9.1
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rubygems
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commands
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Filename :
update_command.rb
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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