Method execute

ruby/engine/openstudio_cli.rb:1246–1292

Alters the environment variable used to define the gem install location @param [Array] sub_argv Options passed to the gem_install command from the user input @return [Fixnum] Return status

(sub_argv)

  # @return [Fixnum] Return status
  #
  def execute(sub_argv)
    require 'rubygems'

    $logger.info "GemList, sub_argv = #{sub_argv}"

    options = {}

    # Parse the options
    opts = OptionParser.new do |o|
      o.banner = 'Usage: openstudio gem_list'
    end
    argv = parse_options(opts, sub_argv)
    return 0 if argv == nil

    $logger.debug("GemList command: #{argv.inspect} #{options.inspect}")

    unless argv == []
      $logger.error 'Extra arguments passed to the gem_list command. Please refer to the help documentation.'
      return 1
    end

    begin
      embedded = []
      user = []
      Gem::Specification.find_all.each do |spec|
        if spec.gem_dir.chars.first == ':'
          embedded << spec
        else
          user << spec
        end
      end

      embedded.each do |spec|
        safe_puts "#{spec.name} (#{spec.version}) '#{spec.gem_dir}'"
      end

      user.each do |spec|
        safe_puts "#{spec.name} (#{spec.version}) '#{spec.gem_dir}'"
      end

    rescue => e
      $logger.error "Error listing gems: #{e.message} in #{e.backtrace.join("\n")}"
      exit e.exit_code
    end

    0
  end
end

# Class to install gems using the RubyGems functionality