Class: Gem::Commands::CleanupCommand
- Inherits:
-
Gem::Command
- Object
- Gem::Command
- Gem::Commands::CleanupCommand
- Defined in:
- lib/rubygems/commands/cleanup_command.rb
Instance Attribute Summary
Attributes inherited from Gem::Command
#command, #defaults, #options, #program_name, #summary
Instance Method Summary collapse
-
#arguments ⇒ Object
:nodoc:.
-
#defaults_str ⇒ Object
:nodoc:.
-
#description ⇒ Object
:nodoc:.
- #execute ⇒ Object
-
#initialize ⇒ CleanupCommand
constructor
A new instance of CleanupCommand.
-
#usage ⇒ Object
:nodoc:.
Methods inherited from Gem::Command
add_common_option, #add_extra_args, #add_option, add_specific_extra_args, #begins?, build_args, build_args=, common_options, extra_args, extra_args=, #get_all_gem_names, #get_one_gem_name, #get_one_optional_argument, #handle_options, #handles?, #invoke, #merge_options, #remove_option, #show_help, #show_lookup_failure, specific_extra_args, 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
Methods included from DefaultUserInteraction
ui, #ui, ui=, #ui=, use_ui, #use_ui
Constructor Details
#initialize ⇒ CleanupCommand
Returns a new instance of CleanupCommand.
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# File 'lib/rubygems/commands/cleanup_command.rb', line 7 def initialize super 'cleanup', 'Clean up old versions of installed gems in the local repository', :force => false, :install_dir => Gem.dir add_option('-d', '--dryrun', "") do |value, | [:dryrun] = true end end |
Instance Method Details
#arguments ⇒ Object
:nodoc:
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# File 'lib/rubygems/commands/cleanup_command.rb', line 17 def arguments # :nodoc: "GEMNAME name of gem to cleanup" end |
#defaults_str ⇒ Object
:nodoc:
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# File 'lib/rubygems/commands/cleanup_command.rb', line 21 def defaults_str # :nodoc: "--no-dryrun" end |
#description ⇒ Object
:nodoc:
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# File 'lib/rubygems/commands/cleanup_command.rb', line 25 def description # :nodoc: "The cleanup command removes old gems from GEM_HOME. If an older version is\ninstalled elsewhere in GEM_PATH the cleanup command won't touch it.\n EOF\nend\n" |
#execute ⇒ Object
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# File 'lib/rubygems/commands/cleanup_command.rb', line 36 def execute say "Cleaning up installed gems..." primary_gems = {} Gem::Specification.each do |spec| if primary_gems[spec.name].nil? or primary_gems[spec.name].version < spec.version then primary_gems[spec.name] = spec end end gems_to_cleanup = unless [:args].empty? then [:args].map do |gem_name| Gem::Specification.find_all_by_name gem_name end.flatten else Gem::Specification.to_a end gems_to_cleanup = gems_to_cleanup.select { |spec| primary_gems[spec.name].version != spec.version } deplist = Gem::DependencyList.new gems_to_cleanup.uniq.each do |spec| deplist.add spec end deps = deplist.strongly_connected_components.flatten.reverse original_path = Gem.path deps.each do |spec| if [:dryrun] then say "Dry Run Mode: Would uninstall #{spec.full_name}" else say "Attempting to uninstall #{spec.full_name}" [:args] = [spec.name] = { :executables => false, :version => "= #{spec.version}", } [:user_install] = Gem.user_dir == spec.base_dir uninstaller = Gem::Uninstaller.new spec.name, begin uninstaller.uninstall rescue Gem::DependencyRemovalException, Gem::InstallError, Gem::GemNotInHomeException, Gem::FilePermissionError => e say "Unable to uninstall #{spec.full_name}:" say "\t#{e.class}: #{e.message}" end end # Restore path Gem::Uninstaller may have change Gem.use_paths(*original_path) end say "Clean Up Complete" end |
#usage ⇒ Object
:nodoc:
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# File 'lib/rubygems/commands/cleanup_command.rb', line 32 def usage # :nodoc: "#{program_name} [GEMNAME ...]" end |