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:.
- #clean_gems ⇒ Object
-
#defaults_str ⇒ Object
:nodoc:.
-
#description ⇒ Object
:nodoc:.
- #execute ⇒ Object
- #get_candidate_gems ⇒ Object
- #get_gems_to_cleanup ⇒ Object
- #get_primary_gems ⇒ Object
-
#initialize ⇒ CleanupCommand
constructor
A new instance of CleanupCommand.
- #uninstall_dep(spec) ⇒ Object
-
#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_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, #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
Constructor Details
#initialize ⇒ CleanupCommand
Returns a new instance of CleanupCommand.
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# File 'lib/rubygems/commands/cleanup_command.rb', line 8 def initialize super 'cleanup', 'Clean up old versions of installed gems', :force => false, :install_dir => Gem.dir add_option('-n', '-d', '--dryrun', 'Do not uninstall gems') do |value, | [:dryrun] = true end @candidate_gems = nil @default_gems = [] @full = nil @gems_to_cleanup = nil @original_home = nil @original_path = nil @primary_gems = nil end |
Instance Method Details
#arguments ⇒ Object
:nodoc:
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# File 'lib/rubygems/commands/cleanup_command.rb', line 27 def arguments # :nodoc: "GEMNAME name of gem to cleanup" end |
#clean_gems ⇒ Object
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# File 'lib/rubygems/commands/cleanup_command.rb', line 78 def clean_gems get_primary_gems get_candidate_gems get_gems_to_cleanup @full = Gem::DependencyList.from_specs deplist = Gem::DependencyList.new @gems_to_cleanup.each do |spec| deplist.add spec end deps = deplist.strongly_connected_components.flatten @original_home = Gem.dir @original_path = Gem.path deps.reverse_each do |spec| uninstall_dep spec end Gem::Specification.reset end |
#defaults_str ⇒ Object
:nodoc:
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# File 'lib/rubygems/commands/cleanup_command.rb', line 31 def defaults_str # :nodoc: "--no-dryrun" end |
#description ⇒ Object
:nodoc:
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# File 'lib/rubygems/commands/cleanup_command.rb', line 35 def description # :nodoc: <<-EOF The cleanup command removes old versions of gems from GEM_HOME that are not required to meet a dependency. If a gem is installed elsewhere in GEM_PATH the cleanup command won't delete it. If no gems are named all gems in GEM_HOME are cleaned. EOF end |
#execute ⇒ Object
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# File 'lib/rubygems/commands/cleanup_command.rb', line 49 def execute say "Cleaning up installed gems..." if [:args].empty? then done = false last_set = nil until done do clean_gems this_set = @gems_to_cleanup.map { |spec| spec.full_name }.sort done = this_set.empty? || last_set == this_set last_set = this_set end else clean_gems end say "Clean Up Complete" verbose do skipped = @default_gems.map { |spec| spec.full_name } "Skipped default gems: #{skipped.join ', '}" end end |
#get_candidate_gems ⇒ Object
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# File 'lib/rubygems/commands/cleanup_command.rb', line 100 def get_candidate_gems @candidate_gems = 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 end |
#get_gems_to_cleanup ⇒ Object
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# File 'lib/rubygems/commands/cleanup_command.rb', line 110 def get_gems_to_cleanup gems_to_cleanup = @candidate_gems.select { |spec| @primary_gems[spec.name].version != spec.version } default_gems, gems_to_cleanup = gems_to_cleanup.partition { |spec| spec.default_gem? } @default_gems += default_gems @default_gems.uniq! @gems_to_cleanup = gems_to_cleanup.uniq end |
#get_primary_gems ⇒ Object
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# File 'lib/rubygems/commands/cleanup_command.rb', line 124 def get_primary_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 end |
#uninstall_dep(spec) ⇒ Object
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# File 'lib/rubygems/commands/cleanup_command.rb', line 135 def uninstall_dep spec return unless @full.ok_to_remove?(spec.full_name) if [:dryrun] then say "Dry Run Mode: Would uninstall #{spec.full_name}" return end say "Attempting to uninstall #{spec.full_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.}" end ensure # Restore path Gem::Uninstaller may have changed Gem.use_paths @original_home, *@original_path end |
#usage ⇒ Object
:nodoc:
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# File 'lib/rubygems/commands/cleanup_command.rb', line 45 def usage # :nodoc: "#{program_name} [GEMNAME ...]" end |