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opt
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alt
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ruby21
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lib64
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ruby
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2.1.0
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rubygems
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commands
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Filename :
uninstall_command.rb
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require 'rubygems/command' require 'rubygems/version_option' require 'rubygems/uninstaller' require 'fileutils' ## # Gem uninstaller command line tool # # See `gem help uninstall` class Gem::Commands::UninstallCommand < Gem::Command include Gem::VersionOption def initialize super 'uninstall', 'Uninstall gems from the local repository', :version => Gem::Requirement.default, :user_install => true, :check_dev => false add_option('-a', '--[no-]all', 'Uninstall all matching versions' ) do |value, options| options[:all] = value end add_option('-I', '--[no-]ignore-dependencies', 'Ignore dependency requirements while', 'uninstalling') do |value, options| options[:ignore] = value end add_option('-D', '--[no-]-check-development', 'Check development dependencies while uninstalling', '(default: false)') do |value, options| options[:check_dev] = value end add_option('-x', '--[no-]executables', 'Uninstall applicable executables without', 'confirmation') do |value, options| options[:executables] = value end add_option('-i', '--install-dir DIR', 'Directory to uninstall gem from') do |value, options| options[:install_dir] = File.expand_path(value) end add_option('-n', '--bindir DIR', 'Directory to remove binaries from') do |value, options| options[:bin_dir] = File.expand_path(value) end add_option('--[no-]user-install', 'Uninstall from user\'s home directory', 'in addition to GEM_HOME.') do |value, options| options[:user_install] = value end add_option('--[no-]format-executable', 'Assume executable names match Ruby\'s prefix and suffix.') do |value, options| options[:format_executable] = value end add_option('--[no-]force', 'Uninstall all versions of the named gems', 'ignoring dependencies') do |value, options| options[:force] = value end add_option('--[no-]abort-on-dependent', 'Prevent uninstalling gems that are', 'depended on by other gems.') do |value, options| options[:abort_on_dependent] = value end add_version_option add_platform_option end def arguments # :nodoc: "GEMNAME name of gem to uninstall" end def defaults_str # :nodoc: "--version '#{Gem::Requirement.default}' --no-force " + "--user-install" end def description # :nodoc: <<-EOF The uninstall command removes a previously installed gem. RubyGems will ask for confirmation if you are attempting to uninstall a gem that is a dependency of an existing gem. You can use the --ignore-dependencies option to skip this check. EOF end def usage # :nodoc: "#{program_name} GEMNAME [GEMNAME ...]" end def execute if options[:all] and not options[:args].empty? then uninstall_specific elsif options[:all] then uninstall_all else uninstall_specific end end def uninstall_all _, specs = Gem::Specification.partition { |spec| spec.default_gem? } specs.each do |spec| options[:version] = spec.version begin Gem::Uninstaller.new(spec.name, options).uninstall rescue Gem::InstallError end end alert "Uninstalled all gems in #{options[:install_dir]}" end def uninstall_specific deplist = Gem::DependencyList.new get_all_gem_names.uniq.each do |name| Gem::Specification.find_all_by_name(name).each do |spec| deplist.add spec end end deps = deplist.strongly_connected_components.flatten.reverse deps.map(&:name).uniq.each do |gem_name| begin Gem::Uninstaller.new(gem_name, options).uninstall rescue Gem::GemNotInHomeException => e spec = e.spec alert("In order to remove #{spec.name}, please execute:\n" + "\tgem uninstall #{spec.name} --install-dir=#{spec.installation_path}") end end end end