show_lookup_failure

# File lib/rubygems/command.rb, line 155
  def show_lookup_failure(gem_name, version, errors, domain)
    if errors and !errors.empty?
      msg = "Could not find a valid gem '#{gem_name}' (#{version}), here is why:\n".dup
      errors.each { |x| msg << "          #{x.wordy}\n" }
      alert_error msg
    else
      alert_error "Could not find a valid gem '#{gem_name}' (#{version}) in any repository"
    end

    unless domain == :local then # HACK
      suggestions = Gem::SpecFetcher.fetcher.suggest_gems_from_name gem_name

      unless suggestions.empty?
        alert_error "Possible alternatives: #{suggestions.join(", ")}"
      end
    end
  end