execute

# File lib/rubygems/commands/build_command.rb, line 18
  def execute
    gemspec = get_one_gem_name

    if File.exist? gemspec
      spec = load_gemspec gemspec

      if spec then
        Gem::Builder.new(spec).build
      else
        alert_error "Error loading gemspec. Aborting."
        terminate_interaction 1
      end
    else
      alert_error "Gemspec file not found: #{gemspec}"
      terminate_interaction 1
    end
  end