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require 'rubygems/command'
require 'rubygems/command_manager'
require 'rubygems/install_update_options'
require 'rubygems/local_remote_options'
require 'rubygems/spec_fetcher'
require 'rubygems/version_option'
require 'rubygems/commands/install_command'
class Gem::Commands::UpdateCommand < Gem::Command
include Gem::InstallUpdateOptions
include Gem::LocalRemoteOptions
include Gem::VersionOption
def initialize
super 'update',
'Update the named gems (or all installed gems) in the local repository',
:generate_rdoc => true,
:generate_ri => true,
:force => false,
:test => false
add_install_update_options
add_option('--system',
'Update the RubyGems system software') do |value, options|
options[:system] = value
end
add_local_remote_options
add_platform_option
end
def arguments # :nodoc:
"GEMNAME name of gem to update"
end
def defaults_str # :nodoc:
"--rdoc --ri --no-force --no-test --install-dir #{Gem.dir}"
end
def usage # :nodoc:
"#{program_name} GEMNAME [GEMNAME ...]"
end
def execute
hig = {}
if options[:system] then
say "Updating RubyGems"
unless options[:args].empty? then
fail "No gem names are allowed with the --system option"
end
rubygems_update = Gem::Specification.new
rubygems_update.name = 'rubygems-update'
rubygems_update.version = Gem::Version.new Gem::RubyGemsVersion
hig['rubygems-update'] = rubygems_update
options[:user_install] = false
else
say "Updating installed gems"
hig = {} # highest installed gems
Gem.source_index.each do |name, spec|
if hig[spec.name].nil? or hig[spec.name].version < spec.version then
hig[spec.name] = spec
end
end
end
gems_to_update = which_to_update hig, options[:args]
updated = []
installer = Gem::DependencyInstaller.new options
gems_to_update.uniq.sort.each do |name|
next if updated.any? { |spec| spec.name == name }
say "Updating #{name}"
installer.install name
installer.installed_gems.each do |spec|
updated << spec
say "Successfully installed #{spec.full_name}"
end
end
if gems_to_update.include? "rubygems-update" then
Gem.source_index.refresh!
update_gems = Gem.source_index.search 'rubygems-update'
latest_update_gem = update_gems.sort_by { |s| s.version }.last
say "Updating RubyGems to #{latest_update_gem.version}"
installed = do_rubygems_update latest_update_gem.version
say "RubyGems system software updated" if installed
else
if updated.empty? then
say "Nothing to update"
else
say "Gems updated: #{updated.map { |spec| spec.name }.join ', '}"
end
end
end
##
# Update the RubyGems software to +version+.
def do_rubygems_update(version)
args = []
args.push '--prefix', Gem.prefix unless Gem.prefix.nil?
args << '--no-rdoc' unless options[:generate_rdoc]
args << '--no-ri' unless options[:generate_ri]
args << '--no-format-executable' if options[:no_format_executable]
update_dir = File.join Gem.dir, 'gems', "rubygems-update-#{version}"
Dir.chdir update_dir do
say "Installing RubyGems #{version}"
setup_cmd = "#{Gem.ruby} setup.rb #{args.join ' '}"
# Make sure old rubygems isn't loaded
old = ENV["RUBYOPT"]
ENV.delete("RUBYOPT")
system setup_cmd
ENV["RUBYOPT"] = old if old
end
end
def which_to_update(highest_installed_gems, gem_names)
result = []
highest_installed_gems.each do |l_name, l_spec|
next if not gem_names.empty? and
gem_names.all? { |name| /#{name}/ !~ l_spec.name }
dependency = Gem::Dependency.new l_spec.name, "> #{l_spec.version}"
begin
fetcher = Gem::SpecFetcher.fetcher
spec_tuples = fetcher.find_matching dependency
rescue Gem::RemoteFetcher::FetchError => e
raise unless fetcher.warn_legacy e do
require 'rubygems/source_info_cache'
dependency.name = '' if dependency.name == //
specs = Gem::SourceInfoCache.search_with_source dependency
spec_tuples = specs.map do |spec, source_uri|
[[spec.name, spec.version, spec.original_platform], source_uri]
end
end
end
matching_gems = spec_tuples.select do |(name, version, platform),|
name == l_name and Gem::Platform.match platform
end
highest_remote_gem = matching_gems.sort_by do |(name, version),|
version
end.last
if highest_remote_gem and
l_spec.version < highest_remote_gem.first[1] then
result << l_name
end
end
result
end
end
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