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 22
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

Public Instance Methods

execute() click to toggle source
# File lib/rubygems/commands/update_command.rb, line 87
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
rubygems_target_version() click to toggle source
# File lib/rubygems/commands/update_command.rb, line 170
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
update_gem(name, version = Gem::Requirement.default) click to toggle source
# File lib/rubygems/commands/update_command.rb, line 202
  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
update_gems(gems_to_update) click to toggle source
# File lib/rubygems/commands/update_command.rb, line 222
def update_gems gems_to_update
  gems_to_update.uniq.sort.each do |(name, version)|
    update_gem name, 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 233
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
which_to_update(highest_installed_gems, gem_names, system = false) click to toggle source
# File lib/rubygems/commands/update_command.rb, line 261
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