class Gem::CommandManager

def run(args, build_args=nil)
  process_args(args, build_args)
rescue StandardError, Timeout::Error => ex
  alert_error "While executing gem ... (#{ex.class})\n    #{ex}"
  ui.backtrace ex
  terminate_interaction(1)
rescue Interrupt
  alert_error "Interrupted"
  terminate_interaction(1)
end