class Gem::Commands::UpdateCommand

Public Class Methods

new() click to toggle source
Calls superclass method Gem::Command::new
# File lib/rubygems/commands/update_command.rb, line 21
def initialize
  options = {
    :force => false,
  }

  options.merge!(install_update_options)

  super 'update', 'Update installed gems to the latest version', options

  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

Public Instance Methods

execute() click to toggle source
# File lib/rubygems/commands/update_command.rb, line 96
def execute
  if options[:system]
    update_rubygems
    return
  end

  gems_to_update = which_to_update(
    highest_installed_gems,
    options[:args].uniq
  )

  if options[:explain]
    say "Gems to update:"

    gems_to_update.each do |name_tuple|
      say "  #{name_tuple.full_name}"
    end

    return
  end

  say "Updating installed gems"

  updated = update_gems gems_to_update

  updated_names = updated.map {|spec| spec.name }
  not_updated_names = options[:args].uniq - updated_names

  if updated.empty?
    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
preparing_gem_layout_for(version) { || ... } click to toggle source
# File lib/rubygems/commands/update_command.rb, line 192
def preparing_gem_layout_for(version)
  if Gem::Version.new(version) >= Gem::Version.new("3.2.a")
    yield
  else
    require "tmpdir"
    tmpdir = Dir.mktmpdir
    FileUtils.mv Gem.plugindir, tmpdir

    status = yield

    if status
      FileUtils.rm_rf tmpdir
    else
      FileUtils.mv File.join(tmpdir, "plugins"), Gem.plugindir
    end

    status
  end
end
rubygems_target_version() click to toggle source
# File lib/rubygems/commands/update_command.rb, line 212
def rubygems_target_version
  version = options[:system]
  update_latest = version == true

  if update_latest
    version     = Gem::Version.new     Gem::VERSION
    requirement = Gem::Requirement.new ">= #{Gem::VERSION}"
  else
    version     = Gem::Version.new     version
    requirement = Gem::Requirement.new version
  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.version

  target = if update_latest
             up_ver
           else
             version
           end

  return target, requirement
end
update_gem(name, version = Gem::Requirement.default) click to toggle source
# File lib/rubygems/commands/update_command.rb, line 244
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}" unless options[:system] && options[:silent]
  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
update_gems(gems_to_update) click to toggle source
# File lib/rubygems/commands/update_command.rb, line 264
def update_gems(gems_to_update)
  gems_to_update.uniq.sort.each do |name_tuple|
    update_gem name_tuple.name, name_tuple.version
  end

  @updated
end
update_rubygems() click to toggle source

Update RubyGems software to the latest version.

# File lib/rubygems/commands/update_command.rb, line 275
def update_rubygems
  if Gem.disable_system_update_message
    alert_error Gem.disable_system_update_message
    terminate_interaction 1
  end

  check_update_arguments

  version, requirement = rubygems_target_version

  check_latest_rubygems version

  check_oldest_rubygems version

  update_gem 'rubygems-update', version

  installed_gems = Gem::Specification.find_all_by_name 'rubygems-update', requirement
  version        = installed_gems.first.version

  install_rubygems version
end
which_to_update(highest_installed_gems, gem_names, system = false) click to toggle source
# File lib/rubygems/commands/update_command.rb, line 309
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_tup = highest_remote_name_tuple l_spec
    highest_remote_ver = highest_remote_tup.version
    highest_installed_ver = l_spec.version

    if system or (highest_installed_ver < highest_remote_ver)
      result << Gem::NameTuple.new(l_spec.name, [highest_installed_ver, highest_remote_ver].max, highest_remote_tup.platform)
    end
  end

  result
end

Private Instance Methods

oldest_supported_version() click to toggle source

Oldest version we support downgrading to. This is the version that originally ships with the first patch version of each ruby, because we never test each ruby against older rubygems, so we can't really guarantee it works. Version list can be checked here: stdgems.org/rubygems

# File lib/rubygems/commands/update_command.rb, line 336
def oldest_supported_version
  @oldest_supported_version ||=
    if Gem.ruby_version > Gem::Version.new("3.0.a")
      Gem::Version.new("3.2.3")
    elsif Gem.ruby_version > Gem::Version.new("2.7.a")
      Gem::Version.new("3.1.2")
    elsif Gem.ruby_version > Gem::Version.new("2.6.a")
      Gem::Version.new("3.0.1")
    elsif Gem.ruby_version > Gem::Version.new("2.5.a")
      Gem::Version.new("2.7.3")
    elsif Gem.ruby_version > Gem::Version.new("2.4.a")
      Gem::Version.new("2.6.8")
    else
      Gem::Version.new("2.5.2")
    end
end