require 'rubygems/command' require 'rubygems/version_option' require 'rubygems/uninstaller' ## # 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 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('-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_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 " \ "--install-dir #{Gem.dir}\n" \ "--user-install" end def usage # :nodoc: "#{program_name} GEMNAME [GEMNAME ...]" end def execute original_path = Gem.path get_all_gem_names.each do |gem_name| begin Gem::Uninstaller.new(gem_name, options).uninstall rescue Gem::InstallError => e alert e.message 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}") ensure Gem.use_paths(*original_path) end end end end