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# frozen_string_literal: true
require_relative "../command"
require_relative "../command_manager"
require_relative "../dependency_installer"
require_relative "../install_update_options"
require_relative "../local_remote_options"
require_relative "../spec_fetcher"
require_relative "../version_option"
require_relative "../install_message" # must come before rdoc for messaging
require_relative "../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
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
def arguments # :nodoc:
"GEMNAME name of gem to update"
end
def defaults_str # :nodoc:
"--no-force --install-dir #{Gem.dir}\n" +
install_update_defaults_str
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} GEMNAME [GEMNAME ...]"
end
def check_latest_rubygems(version) # :nodoc:
if Gem.rubygems_version == version
say "Latest version already installed. Done."
terminate_interaction
end
end
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
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
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
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
# 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
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
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
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
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
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
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 software to the latest version.
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
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
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
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. Version list can be checked here: https://stdgems.org/rubygems
#
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
end