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 = {}
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 }
success = false
say "Updating #{name}"
begin
installer.install name
success = true
rescue Gem::InstallError => e
alert_error "Error installing #{name}:\n\t#{e.message}"
success = false
end
installer.installed_gems.each do |spec|
updated << spec
say "Successfully installed #{spec.full_name}" if success
end
end
if gems_to_update.include? "rubygems-update" then
Gem.source_index.refresh!
update_gems = Gem.source_index.find_name '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 ', '}"
if options[:generate_ri] then
updated.each do |gem|
Gem::DocManager.new(gem, options[:rdoc_args]).generate_ri
end
Gem::DocManager.update_ri_cache
end
if options[:generate_rdoc] then
updated.each do |gem|
Gem::DocManager.new(gem, options[:rdoc_args]).generate_rdoc
end
end
end
end
end