Gem::Commands::ExecCommand#execute

# File tmp/rubies/ruby-4.0.0/lib/rubygems/commands/exec_command.rb, line 59
def execute
  check_executable

  print_command
  if options[:gem_name] == "gem" && options[:executable] == "gem"
    set_gem_exec_install_paths
    Gem::GemRunner.new.run options[:args]
    return
  elsif options[:conservative]
    install_if_needed
  else
    install
    activate!
  end

  load!
end