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Class: Gem::Commands::UpdateCommand

Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
Instance Chain:
Inherits: Gem::Command
Defined in: lib/rubygems/commands/update_command.rb

Constant Summary

::Gem::Command - Inherited

HELP

Class Attribute Summary

::Gem::Command - Inherited

.build_args

Arguments used when building gems.

.build_args=, .extra_args, .extra_args=

Class Method Summary

::Gem::Command - Inherited

.add_common_option,
.add_specific_extra_args

Add a list of extra arguments for the given command.

.common_options,
.new

Initializes a generic gem command named command.

.specific_extra_args

Return an array of extra arguments for the command.

.specific_extra_args_hash

Accessor for the specific extra args hash (self initializing).

Instance Attribute Summary

::Gem::LocalRemoteOptions - Included

#both?

Is fetching of local and remote information enabled?

#local?

Is local fetching enabled?

#remote?

Is remote fetching enabled?

::Gem::Command - Inherited

#command

The name of the command.

#defaults

The default options for the command.

#deprecated?,
#options

The options for the command.

#program_name

The name of the command for command-line invocation.

#summary

A short description of the command.

::Gem::DefaultUserInteraction - Included

Instance Method Summary

::Gem::VersionOption - Included

#add_platform_option

Add the –platform option to the option parser.

#add_prerelease_option

Add the –prerelease option to the option parser.

#add_version_option

Add the –version option to the option parser.

#get_platform_from_requirements

Extract platform given on the command line.

::Gem::LocalRemoteOptions - Included

#accept_uri_http

Allows ::Gem::OptionParser to handle HTTP URIs.

#add_bulk_threshold_option

Add the –bulk-threshold option.

#add_clear_sources_option

Add the –clear-sources option.

#add_local_remote_options

Add local/remote options to the command line parser.

#add_proxy_option

Add the –http-proxy option.

#add_source_option

Add the –source option.

#add_update_sources_option

Add the –update-sources option.

::Gem::InstallUpdateOptions - Included

#add_install_update_options

Add the install/update options to the option parser.

#install_update_defaults_str

Default description for the gem install and update commands.

#install_update_options

Default options for the gem install and update commands.

::Gem::SecurityOption - Included

::Gem::Command - Inherited

#add_extra_args

Adds extra args from ~/.gemrc.

#add_option

Add a command-line option and handler to the command.

#arguments

Override to provide details of the arguments a command takes.

#begins?

True if long begins with the characters from short.

#check_deprecated_options,
#defaults_str

Override to display the default values of the command options.

#deprecate_option

Mark a command-line option as deprecated, and optionally specify a deprecation horizon.

#description

Override to display a longer description of what this command does.

#execute

Override to provide command handling.

#get_all_gem_names

Get all gem names from the command line.

#get_all_gem_names_and_versions

Get all [gem, version] from the command line.

#get_one_gem_name

Get a single gem name from the command line.

#get_one_optional_argument

Get a single optional argument from the command line.

#handle_options

Handle the given list of arguments by parsing them and recording the results.

#handles?

True if the command handles the given argument list.

#invoke

Invoke the command with the given list of arguments.

#invoke_with_build_args

Invoke the command with the given list of normal arguments and additional build arguments.

#merge_options

Merge a set of command options with the set of default options (without modifying the default option hash).

#remove_option

Remove previously defined command-line argument name.

#show_help

Display the help message for the command.

#show_lookup_failure

Display to the user that a gem couldn’t be found and reasons why –.

#usage

Override to display the usage for an individual gem command.

#when_invoked

Call the given block when invoked.

#add_parser_run_info

Adds a section with title and content to the parser help view.

#configure_options,
#create_option_parser

Creates an option parser and fills it in with the help info for the command.

#option_is_deprecated?,
#parser

Create on demand parser.

#wrap

Wraps text to width

#extract_gem_name_and_version, #add_parser_description, #add_parser_options, #add_parser_summary

::Gem::UserInteraction - Included

#alert

Displays an alert statement.

#alert_error

Displays an error statement to the error output location.

#alert_warning

Displays a warning statement to the warning output location.

#ask

Asks a question and returns the answer.

#ask_for_password

Asks for a password with a prompt

#ask_yes_no

Asks a yes or no question.

#choose_from_list

Asks the user to answer question with an answer from the given list.

#say

Displays the given statement on the standard output (or equivalent).

#terminate_interaction

Terminates the RubyGems process with the given exit_code

#verbose

Calls say with msg or the results of the block if really_verbose is true.

::Gem::DefaultUserInteraction - Included

::Gem::Text - Included

#clean_text

Remove any non-printable characters and make the text suitable for printing.

#format_text

Wraps text to wrap characters and optionally indents by indent characters.

#levenshtein_distance

Returns a value representing the “cost” of transforming str1 into str2 Vendored version of DidYouMean::Levenshtein.distance from the ruby/did_you_mean gem @ 1.4.0 github.com/ruby/did_you_mean/blob/2ddf39b874808685965dbc47d344cf6c7651807c/lib/did_you_mean/levenshtein.rb#L7-L37.

#truncate_text, #min3

Constructor Details

.newUpdateCommand

[ GitHub ]

  
# File 'lib/rubygems/commands/update_command.rb', line 22

def initialize
  options = {
    :force => false,
  }

  options.merge!(install_update_options)

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

  add_install_update_options

  Gem::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

Instance Attribute Details

#installer (readonly)

This method is for internal use only.
[ GitHub ]

  
# File 'lib/rubygems/commands/update_command.rb', line 18

attr_reader :installer # :nodoc:

#updated (readonly)

This method is for internal use only.
[ GitHub ]

  
# File 'lib/rubygems/commands/update_command.rb', line 20

attr_reader :updated # :nodoc:

Instance Method Details

#arguments

This method is for internal use only.
[ GitHub ]

  
# File 'lib/rubygems/commands/update_command.rb', line 54

def arguments # :nodoc:
  "GEMNAME       name of gem to update"
end

#check_latest_rubygems(version)

This method is for internal use only.
[ GitHub ]

  
# File 'lib/rubygems/commands/update_command.rb', line 76

def check_latest_rubygems(version) # :nodoc:
  if Gem.rubygems_version == version
    say "Latest version already installed. Done."
    terminate_interaction
  end
end

#check_oldest_rubygems(version)

This method is for internal use only.
[ GitHub ]

  
# File 'lib/rubygems/commands/update_command.rb', line 83

def check_oldest_rubygems(version) # :nodoc:
  if oldest_supported_version > version
    alert_error "rubygems #{version} is not supported on #{RUBY_VERSION}. The oldest version supported by this ruby is #{oldest_supported_version}"
    terminate_interaction 1
  end
end

#check_update_arguments

This method is for internal use only.
[ GitHub ]

  
# File 'lib/rubygems/commands/update_command.rb', line 90

def check_update_arguments # :nodoc:
  unless options[:args].empty?
    alert_error "Gem names are not allowed with the --system option"
    terminate_interaction 1
  end
end

#defaults_str

This method is for internal use only.
[ GitHub ]

  
# File 'lib/rubygems/commands/update_command.rb', line 58

def defaults_str # :nodoc:
  "--no-force --install-dir #{Gem.dir}\n" +
    install_update_defaults_str
end

#description

This method is for internal use only.
[ GitHub ]

  
# File 'lib/rubygems/commands/update_command.rb', line 63

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

#execute

[ GitHub ]

  
# File 'lib/rubygems/commands/update_command.rb', line 97

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

  installed_names = highest_installed_gems.keys
  updated_names = updated.map {|spec| spec.name }
  not_updated_names = options[:args].uniq - updated_names
  not_installed_names = not_updated_names - installed_names
  up_to_date_names = not_updated_names - not_installed_names

  if updated.empty?
    say "Nothing to update"
  else
    say "Gems updated: #{updated_names.join(' ')}"
  end
  say "Gems already up-to-date: #{up_to_date_names.join(' ')}" unless up_to_date_names.empty?
  say "Gems not currently installed: #{not_installed_names.join(' ')}" unless not_installed_names.empty?
end

#fetch_remote_gems(spec)

This method is for internal use only.
[ GitHub ]

  
# File 'lib/rubygems/commands/update_command.rb', line 137

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

#highest_installed_gems

This method is for internal use only.
[ GitHub ]

  
# File 'lib/rubygems/commands/update_command.rb', line 152

def highest_installed_gems # :nodoc:
  hig = {} # highest installed gems

  # Get only gem specifications installed as --user-install
  Gem::Specification.dirs = Gem.user_dir if options[:user_install]

  Gem::Specification.each do |spec|
    if hig[spec.name].nil? || hig[spec.name].version < spec.version
      hig[spec.name] = spec
    end
  end

  hig
end

#highest_remote_name_tuple(spec)

This method is for internal use only.
[ GitHub ]

  
# File 'lib/rubygems/commands/update_command.rb', line 167

def highest_remote_name_tuple(spec) # :nodoc:
  spec_tuples = fetch_remote_gems spec

  highest_remote_gem = spec_tuples.max
  return unless highest_remote_gem

  highest_remote_gem.first
end

#install_rubygems(spec)

This method is for internal use only.
[ GitHub ]

  
# File 'lib/rubygems/commands/update_command.rb', line 176

def install_rubygems(spec) # :nodoc:
  args = update_rubygems_arguments
  version = spec.version

  update_dir = File.join spec.base_dir, "gems", "rubygems-update-#{version}"

  Dir.chdir update_dir do
    say "Installing RubyGems #{version}" unless options[:silent]

    installed = preparing_gem_layout_for(version) do
      system Gem.ruby, "--disable-gems", "setup.rb", *args
    end

    say "RubyGems system software updated" if installed unless options[:silent]
  end
end

#oldest_supported_version (private)

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. ::Gem::Version list can be checked here: stdgems.org/rubygems

[ GitHub ]

  
# File 'lib/rubygems/commands/update_command.rb', line 325

def oldest_supported_version
  @oldest_supported_version ||=
    if Gem.ruby_version > Gem::Version.new("3.1.a")
      Gem::Version.new("3.3.3")
    elsif 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")
    else
      Gem::Version.new("3.0.1")
    end
end

#preparing_gem_layout_for(version)

[ GitHub ]

  
# File 'lib/rubygems/commands/update_command.rb', line 193

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

[ GitHub ]

  
# File 'lib/rubygems/commands/update_command.rb', line 213

def rubygems_target_version
  version = options[:system]
  update_latest = version == true

  unless update_latest
    version     = Gem::Version.new     version
    requirement = Gem::Requirement.new version

    return version, requirement
  end

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

  rubygems_update         = Gem::Specification.new
  rubygems_update.name    = "rubygems-update"
  rubygems_update.version = version

  highest_remote_tup = highest_remote_name_tuple(rubygems_update)
  target = highest_remote_tup ? highest_remote_tup.version : version

  return target, requirement
end

#update_gem(name, version = Gem::Requirement.default)

[ GitHub ]

  
# File 'lib/rubygems/commands/update_command.rb', line 237

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)

[ GitHub ]

  
# File 'lib/rubygems/commands/update_command.rb', line 257

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

Update RubyGems software to the latest version.

[ GitHub ]

  
# File 'lib/rubygems/commands/update_command.rb', line 268

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

  installed_gems = Gem::Specification.find_all_by_name "rubygems-update", requirement
  installed_gems = update_gem("rubygems-update", version) if installed_gems.empty? || installed_gems.first.version != version
  return if installed_gems.empty?

  install_rubygems installed_gems.first
end

#update_rubygems_arguments

This method is for internal use only.
[ GitHub ]

  
# File 'lib/rubygems/commands/update_command.rb', line 289

def update_rubygems_arguments # :nodoc:
  args = []
  args << "--silent" if options[:silent]
  args << "--prefix" << Gem.prefix if Gem.prefix
  args << "--no-document" unless options[:document].include?("rdoc") || options[:document].include?("ri")
  args << "--no-format-executable" if options[:no_format_executable]
  args << "--previous-version" << Gem::VERSION if
    options[:system] == true ||
    Gem::Version.new(options[:system]) >= Gem::Version.new(2)
  args
end

#usage

This method is for internal use only.
[ GitHub ]

  
# File 'lib/rubygems/commands/update_command.rb', line 72

def usage # :nodoc:
  "#{program_name} GEMNAME [GEMNAME ...]"
end

#which_to_update(highest_installed_gems, gem_names)

[ GitHub ]

  
# File 'lib/rubygems/commands/update_command.rb', line 301

def which_to_update(highest_installed_gems, gem_names)
  result = []

  highest_installed_gems.each do |l_name, l_spec|
    next if !gem_names.empty? &&
            gem_names.none? {|name| name == l_spec.name }

    highest_remote_tup = highest_remote_name_tuple l_spec
    next unless highest_remote_tup

    result << highest_remote_tup
  end

  result
end