Class: Gem::Commands::OutdatedCommand

Inherits:
Gem::Command show all
Includes:
LocalRemoteOptions, VersionOption
Defined in:
lib/rubygems/commands/outdated_command.rb

Instance Attribute Summary

Attributes inherited from Gem::Command

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

Instance Method Summary collapse

Methods included from VersionOption

#add_platform_option, #add_prerelease_option, #add_version_option

Methods included from LocalRemoteOptions

#accept_uri_http, #add_bulk_threshold_option, #add_clear_sources_option, #add_local_remote_options, #add_proxy_option, #add_source_option, #add_update_sources_option, #both?, #local?, #remote?

Methods inherited from Gem::Command

add_common_option, #add_extra_args, #add_option, add_specific_extra_args, #arguments, #begins?, build_args, build_args=, common_options, #defaults_str, #description, 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, #usage, #when_invoked

Methods included from UserInteraction

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

Methods included from DefaultUserInteraction

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

Constructor Details

#initialize ⇒ OutdatedCommand

Returns a new instance of OutdatedCommand.



11
12
13
14
15
16
 
# File 'lib/rubygems/commands/outdated_command.rb', line 11

def initialize
  super 'outdated', 'Display all gems that need updates'

  add_local_remote_options
  add_platform_option
end

Instance Method Details

#execute ⇒ Object 



18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
 
# File 'lib/rubygems/commands/outdated_command.rb', line 18

def execute
  Gem::Specification.outdated.sort.each do |name|
    local   = Gem::Specification.find_all_by_name(name).max
    dep     = Gem::Dependency.new local.name, ">= #{local.version}"
    remotes, _ = Gem::SpecFetcher.fetcher.spec_for_dependency dep

    next if remotes.empty?

    remotes.sort! { |a,b| a[0].version <=> b[0].version }

    highest = remotes.last.first

    say "#{local.name} (#{local.version} < #{highest.version})"
  end
end