method

show_lookup_failure

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show_lookup_failure(gem_name, version, errors, domain, required_by = nil) public

Display to the user that a gem couldn’t be found and reasons why

# File lib/rubygems/command.rb, line 155
  def show_lookup_failure(gem_name, version, errors, domain, required_by = nil)
    gem = "'#{gem_name}' (#{version})"
    msg = String.new "Could not find a valid gem #{gem}"

    if errors and !errors.empty?
      msg << ", here is why:\n"
      errors.each { |x| msg << "          #{x.wordy}\n" }
    else
      if required_by and gem != required_by
        msg << " (required by #{required_by}) in any repository"
      else
        msg << " in any repository"
      end
    end

    alert_error msg

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

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

show_lookup_failure

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