require 'rubygems/command' require 'rubygems/command_manager' require 'rubygems/dependency_installer' require 'rubygems/install_update_options' require 'rubygems/local_remote_options' require 'rubygems/spec_fetcher' require 'rubygems/version_option' require 'rubygems/install_message' # must come before rdoc for messaging require 'rubygems/rdoc' class Gem::Commands::UpdateCommand < Gem::Command include Gem::InstallUpdateOptions include Gem::LocalRemoteOptions include Gem::VersionOption attr_reader :installer # :nodoc: attr_reader :updated # :nodoc: def initialize super 'update', 'Update installed gems to the latest version', :document => %w[rdoc ri], :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" @updated = [] @installer = nil end def arguments # :nodoc: "REGEXP regexp to search for in gem name" end def defaults_str # :nodoc: "--document --no-force --install-dir #{Gem.dir}" end def description # :nodoc: <<-EOF The update command will update your gems to the latest version. The update command does not remove the previous version. Use the cleanup command to remove old versions. EOF end def usage # :nodoc: "#{program_name} REGEXP [REGEXP ...]" end def check_latest_rubygems version # :nodoc: if Gem.rubygems_version == version then say "Latest version currently installed. Aborting." terminate_interaction end options[:user_install] = false end def check_update_arguments # :nodoc: unless options[:args].empty? then alert_error "Gem names are not allowed with the --system option" terminate_interaction 1 end end def execute if options[:system] then update_rubygems return end say "Updating installed gems" hig = highest_installed_gems gems_to_update = which_to_update hig, options[:args].uniq updated = update_gems gems_to_update updated_names = updated.map { |spec| spec.name } not_updated_names = options[:args].uniq - updated_names if updated.empty? then say "Nothing to update" else say "Gems updated: #{updated_names.join(' ')}" say "Gems already up-to-date: #{not_updated_names.join(' ')}" unless not_updated_names.empty? end end def fetch_remote_gems spec # :nodoc: dependency = Gem::Dependency.new spec.name, "> #{spec.version}" dependency.prerelease = options[:prerelease] fetcher = Gem::SpecFetcher.fetcher spec_tuples, errors = fetcher.search_for_dependency dependency error = errors.find { |e| e.respond_to? :exception } raise error if error spec_tuples end def highest_installed_gems # :nodoc: 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 hig end def highest_remote_version spec # :nodoc: spec_tuples = fetch_remote_gems spec matching_gems = spec_tuples.select do |g,_| g.name == spec.name and g.match_platform? end highest_remote_gem = matching_gems.max_by { |g,_| g.version } highest_remote_gem ||= [Gem::NameTuple.null] highest_remote_gem.first.version end def install_rubygems version # :nodoc: args = update_rubygems_arguments update_dir = File.join Gem.dir, 'gems', "rubygems-update-#{version}" Dir.chdir update_dir do say "Installing RubyGems #{version}" # Make sure old rubygems isn't loaded old = ENV["RUBYOPT"] ENV.delete("RUBYOPT") if old installed = system Gem.ruby, 'setup.rb', *args say "RubyGems system software updated" if installed ENV["RUBYOPT"] = old if old end end def rubygems_target_version version = options[:system] update_latest = version == true if update_latest 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 _, up_ver = gems_to_update.first target = if update_latest then up_ver else version end return target, requirement end def update_gem name, version = Gem::Requirement.default return if @updated.any? { |spec| spec.name == name } update_options = options.dup update_options[:prerelease] = version.prerelease? @installer = Gem::DependencyInstaller.new update_options say "Updating #{name}" begin @installer.install name, Gem::Requirement.new(version) rescue Gem::InstallError, Gem::DependencyError => e alert_error "Error installing #{name}:\n\t#{e.message}" end @installer.installed_gems.each do |spec| @updated << spec 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 check_update_arguments version, requirement = rubygems_target_version check_latest_rubygems version update_gem 'rubygems-update', version installed_gems = Gem::Specification.find_all_by_name 'rubygems-update', requirement version = installed_gems.last.version install_rubygems version end def update_rubygems_arguments # :nodoc: args = [] args << '--prefix' << Gem.prefix if Gem.prefix # TODO use --document for >= 1.9 , --no-rdoc --no-ri < 1.9 args << '--no-rdoc' unless options[:document].include? 'rdoc' args << '--no-ri' unless options[:document].include? 'ri' args << '--no-format-executable' if options[:no_format_executable] args << '--previous-version' << Gem::VERSION if options[:system] == true or Gem::Version.new(options[:system]) >= Gem::Version.new(2) args end def which_to_update highest_installed_gems, gem_names, system = false result = [] highest_installed_gems.each do |l_name, l_spec| next if not gem_names.empty? and gem_names.none? { |name| name == l_spec.name } highest_remote_ver = highest_remote_version l_spec 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