Gem::Commands::CleanupCommand#execute

# File tmp/rubies/ruby-4.0.0/lib/rubygems/commands/cleanup_command.rb, line 66
def execute
  say "Cleaning up installed gems..."

  if options[:args].empty?
    done     = false
    last_set = nil

    until done do
      clean_gems

      this_set = @gems_to_cleanup.map(&:full_name).sort

      done = this_set.empty? || last_set == this_set

      last_set = this_set
    end
  else
    clean_gems
  end

  say "Clean up complete"

  verbose do
    skipped = @default_gems.map(&:full_name)

    "Skipped default gems: #{skipped.join ", "}"
  end
end