Class: Gem::Commands::CleanupCommand
Relationships & Source Files | |
Super Chains via Extension / Inclusion / Inheritance | |
Class Chain:
self,
::Gem::Command
|
|
Instance Chain:
|
|
Inherits: |
Gem::Command
|
Defined in: | lib/rubygems/commands/cleanup_command.rb |
Class Attribute Summary
::Gem::Command - Inherited
.build_args | Arguments used when building gems. |
.build_args=, .extra_args, .extra_args= |
Class Method Summary
- .new ⇒ CleanupCommand constructor
::Gem::Command - Inherited
.add_common_option, | |
.add_specific_extra_args | Add a list of extra arguments for the given command. |
.common_options, | |
.new | Initializes a generic gem command named |
.specific_extra_args | Return an array of extra arguments for the command. |
.specific_extra_args_hash | Accessor for the specific extra args hash (self initializing). |
Instance Attribute Summary
::Gem::Command - Inherited
#defaults | The default options for the command. |
#program_name | The name of the command for command-line invocation. |
#summary | A short description of the command. |
#command | The name of the command. |
#options | The options for the command. |
::Gem::DefaultUserInteraction - Included
Instance Method Summary
- #clean_gems
- #execute
- #get_candidate_gems
- #get_gems_to_cleanup
- #get_primary_gems
- #uninstall_dep(spec)
::Gem::Command - Inherited
#add_extra_args | Adds extra args from ~/.gemrc. |
#add_option | Add a command-line option and handler to the command. |
#arguments | Override to provide details of the arguments a command takes. |
#begins? | True if |
#defaults_str | Override to display the default values of the command options. |
#description | Override to display a longer description of what this command does. |
#execute | Override to provide command handling. |
#get_all_gem_names | Get all gem names from the command line. |
#get_all_gem_names_and_versions | Get all [gem, version] from the command line. |
#get_one_gem_name | Get a single gem name from the command line. |
#get_one_optional_argument | Get a single optional argument from the command line. |
#handle_options | Handle the given list of arguments by parsing them and recording the results. |
#handles? | True if the command handles the given argument list. |
#invoke | Invoke the command with the given list of arguments. |
#invoke_with_build_args | Invoke the command with the given list of normal arguments and additional build arguments. |
#merge_options | Merge a set of command options with the set of default options (without modifying the default option hash). |
#remove_option | Remove previously defined command-line argument |
#show_help | Display the help message for the command. |
#show_lookup_failure | Display to the user that a gem couldn't be found and reasons why. |
#usage | Override to display the usage for an individual gem command. |
#when_invoked | Call the given block when invoked. |
#add_parser_run_info | Adds a section with |
#configure_options, | |
#create_option_parser | Creates an option parser and fills it in with the help info for the command. |
#parser | Create on demand parser. |
#wrap | Wraps |
::Gem::UserInteraction - Included
#alert | Displays an alert |
#alert_error | Displays an error |
#alert_warning | Displays a warning |
#ask | Asks a |
#ask_for_password | Asks for a password with a |
#ask_yes_no | Asks a yes or no |
#choose_from_list | Asks the user to answer |
#say | Displays the given |
#terminate_interaction | Terminates the RubyGems process with the given |
#verbose | Calls |
::Gem::DefaultUserInteraction - Included
Constructor Details
.new ⇒ CleanupCommand
# 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
#clean_gems
[ GitHub ]# 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
#execute
[ GitHub ]# 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
[ GitHub ]# 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
[ GitHub ]# 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
[ GitHub ]# 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)
[ GitHub ]# 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