def execute
if options[:system] then
say "Updating RubyGems..."
unless options[:args].empty? then
fail "No gem names are allowed with the --system option"
end
options[:args] = ["rubygems-update"]
else
say "Updating installed gems..."
end
hig = highest_installed_gems = {}
Gem::SourceIndex.from_installed_gems.each do |name, spec|
if hig[spec.name].nil? or hig[spec.name].version < spec.version then
hig[spec.name] = spec
end
end
remote_gemspecs = Gem::SourceInfoCache.search(//)
gems_to_update = if options[:args].empty? then
which_to_update(highest_installed_gems, remote_gemspecs)
else
options[:args]
end
options[:domain] = :remote
install_command = Gem::CommandManager.instance['install']
gems_to_update.uniq.sort.each do |name|
say "Attempting remote update of #{name}"
options[:args] = [name]
options[:ignore_dependencies] = true
install_command.merge_options(options)
install_command.execute
end
if gems_to_update.include? "rubygems-update" then
latest_ruby_gem = remote_gemspecs.select do |s|
s.name == 'rubygems-update'
end
latest_ruby_gem = latest_ruby_gem.sort_by { |s| s.version }.last
say "Updating version of RubyGems to #{latest_ruby_gem.version}"
installed = do_rubygems_update latest_ruby_gem.version
say "RubyGems system software updated" if installed
else
updated = gems_to_update.uniq.sort.collect { |g| g.to_s }
if updated.empty? then
say "Nothing to update"
else
say "Gems updated: #{updated.join ', '}"
end
end
end