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# frozen_string_literal: true
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:
"GEMNAME name of gem to update"
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} GEMNAME [GEMNAME ...]"
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.first.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