Class: Gem::Commands::StaleCommand

Inherits:
Gem::Command show all
Defined in:
lib/rubygems/commands/stale_command.rb

Instance Attribute Summary

Attributes inherited from Gem::Command

#command, #defaults, #options, #program_name, #summary

Instance Method Summary collapse

Methods inherited from Gem::Command

add_common_option, #add_extra_args, #add_option, add_specific_extra_args, #arguments, #begins?, build_args, build_args=, #check_deprecated_options, common_options, #defaults_str, #deprecate_option, #deprecated?, extra_args, extra_args=, #get_all_gem_names, #get_all_gem_names_and_versions, #get_one_gem_name, #get_one_optional_argument, #handle_options, #handles?, #invoke, #invoke_with_build_args, #merge_options, #remove_option, #show_help, #show_lookup_failure, specific_extra_args, specific_extra_args_hash, specific_extra_args_hash=, #when_invoked

Methods included from UserInteraction

#alert, #alert_error, #alert_warning, #ask, #ask_for_password, #ask_yes_no, #choose_from_list, #say, #terminate_interaction, #verbose

Methods included from DefaultUserInteraction

ui, #ui, ui=, #ui=, use_ui, #use_ui

Methods included from Text

#clean_text, #format_text, #levenshtein_distance, #min3, #truncate_text

Constructor Details

#initializeStaleCommand

Returns a new instance of StaleCommand.



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# File 'lib/rubygems/commands/stale_command.rb', line 5

def initialize
  super('stale', 'List gems along with access times')
end

Instance Method Details

#descriptionObject

:nodoc:



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# File 'lib/rubygems/commands/stale_command.rb', line 9

def description # :nodoc:
  "The stale command lists the latest access time for all the files in your\ninstalled gems.\n\nYou can use this command to discover gems and gem versions you are no\nlonger using.\n"
end

#executeObject



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# File 'lib/rubygems/commands/stale_command.rb', line 23

def execute
  gem_to_atime = {}
  Gem::Specification.each do |spec|
    name = spec.full_name
    Dir["#{spec.full_gem_path}/**/*.*"].each do |file|
      next if File.directory?(file)
      stat = File.stat(file)
      gem_to_atime[name] ||= stat.atime
      gem_to_atime[name] = stat.atime if gem_to_atime[name] < stat.atime
    end
  end

  gem_to_atime.sort_by {|_, atime| atime }.each do |name, atime|
    say "#{name} at #{atime.strftime '%c'}"
  end
end

#usageObject

:nodoc:



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# File 'lib/rubygems/commands/stale_command.rb', line 19

def usage # :nodoc:
  "#{program_name}"
end