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files >> //proc/thread-self/root/opt/alt/ruby31/share/rubygems/rubygems/uninstaller.rb
# frozen_string_literal: true #-- # Copyright 2006 by Chad Fowler, Rich Kilmer, Jim Weirich and others. # All rights reserved. # See LICENSE.txt for permissions. #++ require "fileutils" require_relative "../rubygems" require_relative "installer_uninstaller_utils" require_relative "dependency_list" require_relative "rdoc" require_relative "user_interaction" ## # An Uninstaller. # # The uninstaller fires pre and post uninstall hooks. Hooks can be added # either through a rubygems_plugin.rb file in an installed gem or via a # rubygems/defaults/#{RUBY_ENGINE}.rb or rubygems/defaults/operating_system.rb # file. See Gem.pre_uninstall and Gem.post_uninstall for details. class Gem::Uninstaller include Gem::UserInteraction include Gem::InstallerUninstallerUtils ## # The directory a gem's executables will be installed into attr_reader :bin_dir ## # The gem repository the gem will be installed into attr_reader :gem_home ## # The Gem::Specification for the gem being uninstalled, only set during # #uninstall_gem attr_reader :spec ## # Constructs an uninstaller that will uninstall +gem+ def initialize(gem, options = {}) # TODO document the valid options @gem = gem @version = options[:version] || Gem::Requirement.default @gem_home = File.realpath(options[:install_dir] || Gem.dir) @plugins_dir = Gem.plugindir(@gem_home) @force_executables = options[:executables] @force_all = options[:all] @force_ignore = options[:ignore] @bin_dir = options[:bin_dir] @format_executable = options[:format_executable] @abort_on_dependent = options[:abort_on_dependent] # Indicate if development dependencies should be checked when # uninstalling. (default: false) # @check_dev = options[:check_dev] if options[:force] @force_all = true @force_ignore = true end # only add user directory if install_dir is not set @user_install = false @user_install = options[:user_install] unless options[:install_dir] # Optimization: populated during #uninstall @default_specs_matching_uninstall_params = [] end ## # Performs the uninstall of the gem. This removes the spec, the Gem # directory, and the cached .gem file. def uninstall dependency = Gem::Dependency.new @gem, @version list = [] dirs = Gem::Specification.dirs + [Gem.default_specifications_dir] Gem::Specification.each_spec dirs do |spec| next unless dependency.matches_spec? spec list << spec end if list.empty? raise Gem::InstallError, "gem #{@gem.inspect} is not installed" end default_specs, list = list.partition do |spec| spec.default_gem? end warn_cannot_uninstall_default_gems(default_specs - list) @default_specs_matching_uninstall_params = default_specs list, other_repo_specs = list.partition do |spec| @gem_home == spec.base_dir || (@user_install && spec.base_dir == Gem.user_dir) end list.sort! if list.empty? return unless other_repo_specs.any? other_repos = other_repo_specs.map {|spec| spec.base_dir }.uniq message = ["#{@gem} is not installed in GEM_HOME, try:"] message.concat other_repos.map {|repo| "\tgem uninstall -i #{repo} #{@gem}" } raise Gem::InstallError, message.join("\n") elsif @force_all remove_all list elsif list.size > 1 gem_names = list.map {|gem| gem.full_name } gem_names << "All versions" say _, index = choose_from_list "Select gem to uninstall:", gem_names if index == list.size remove_all list elsif index >= 0 && index < list.size uninstall_gem list[index] else say "Error: must enter a number [1-#{list.size + 1}]" end else uninstall_gem list.first end end ## # Uninstalls gem +spec+ def uninstall_gem(spec) @spec = spec unless dependencies_ok? spec if abort_on_dependent? || !ask_if_ok(spec) raise Gem::DependencyRemovalException, "Uninstallation aborted due to dependent gem(s)" end end Gem.pre_uninstall_hooks.each do |hook| hook.call self end remove_executables @spec remove_plugins @spec remove @spec regenerate_plugins Gem.post_uninstall_hooks.each do |hook| hook.call self end @spec = nil end ## # Removes installed executables and batch files (windows only) for +spec+. def remove_executables(spec) return if spec.executables.empty? executables = spec.executables.clone # Leave any executables created by other installed versions # of this gem installed. list = Gem::Specification.find_all do |s| s.name == spec.name && s.version != spec.version end list.each do |s| s.executables.each do |exe_name| executables.delete exe_name end end return if executables.empty? executables = executables.map {|exec| formatted_program_filename exec } remove = if @force_executables.nil? ask_yes_no("Remove executables:\n" + "\t#{executables.join ', '}\n\n" + "in addition to the gem?", true) else @force_executables end if remove bin_dir = @bin_dir || Gem.bindir(spec.base_dir) raise Gem::FilePermissionError, bin_dir unless File.writable? bin_dir executables.each do |exe_name| say "Removing #{exe_name}" exe_file = File.join bin_dir, exe_name safe_delete { FileUtils.rm exe_file } safe_delete { FileUtils.rm "#{exe_file}.bat" } end else say "Executables and scripts will remain installed." end end ## # Removes all gems in +list+. # # NOTE: removes uninstalled gems from +list+. def remove_all(list) list.each {|spec| uninstall_gem spec } end ## # spec:: the spec of the gem to be uninstalled def remove(spec) unless path_ok?(@gem_home, spec) || (@user_install && path_ok?(Gem.user_dir, spec)) e = Gem::GemNotInHomeException.new \ "Gem '#{spec.full_name}' is not installed in directory #{@gem_home}" e.spec = spec raise e end raise Gem::FilePermissionError, spec.base_dir unless File.writable?(spec.base_dir) safe_delete { FileUtils.rm_r spec.full_gem_path } safe_delete { FileUtils.rm_r spec.extension_dir } old_platform_name = spec.original_name gem = spec.cache_file gem = File.join(spec.cache_dir, "#{old_platform_name}.gem") unless File.exist? gem safe_delete { FileUtils.rm_r gem } begin Gem::RDoc.new(spec).remove rescue NameError end gemspec = spec.spec_file unless File.exist? gemspec gemspec = File.join(File.dirname(gemspec), "#{old_platform_name}.gemspec") end safe_delete { FileUtils.rm_r gemspec } announce_deletion_of(spec) Gem::Specification.reset end ## # Remove any plugin wrappers for +spec+. def remove_plugins(spec) # :nodoc: return if spec.plugins.empty? remove_plugins_for(spec, @plugins_dir) end ## # Regenerates plugin wrappers after removal. def regenerate_plugins latest = Gem::Specification.latest_spec_for(@spec.name) return if latest.nil? regenerate_plugins_for(latest, @plugins_dir) end ## # Is +spec+ in +gem_dir+? def path_ok?(gem_dir, spec) full_path = File.join gem_dir, "gems", spec.full_name original_path = File.join gem_dir, "gems", spec.original_name full_path == spec.full_gem_path || original_path == spec.full_gem_path end ## # Returns true if it is OK to remove +spec+ or this is a forced # uninstallation. def dependencies_ok?(spec) # :nodoc: return true if @force_ignore deplist = Gem::DependencyList.from_specs deplist.ok_to_remove?(spec.full_name, @check_dev) end ## # Should the uninstallation abort if a dependency will go unsatisfied? # # See ::new. def abort_on_dependent? # :nodoc: @abort_on_dependent end ## # Asks if it is OK to remove +spec+. Returns true if it is OK. def ask_if_ok(spec) # :nodoc: msg = [""] msg << "You have requested to uninstall the gem:" msg << "\t#{spec.full_name}" msg << "" siblings = Gem::Specification.select do |s| s.name == spec.name && s.full_name != spec.full_name end spec.dependent_gems(@check_dev).each do |dep_spec, dep, satlist| unless siblings.any? {|s| s.satisfies_requirement? dep } msg << "#{dep_spec.name}-#{dep_spec.version} depends on #{dep}" end end msg << "If you remove this gem, these dependencies will not be met." msg << "Continue with Uninstall?" return ask_yes_no(msg.join("\n"), false) end ## # Returns the formatted version of the executable +filename+ def formatted_program_filename(filename) # :nodoc: # TODO perhaps the installer should leave a small manifest # of what it did for us to find rather than trying to recreate # it again. if @format_executable require_relative "installer" Gem::Installer.exec_format % File.basename(filename) else filename end end def safe_delete(&block) block.call rescue Errno::ENOENT nil rescue Errno::EPERM e = Gem::UninstallError.new e.spec = @spec raise e end private def announce_deletion_of(spec) name = spec.full_name say "Successfully uninstalled #{name}" if default_spec_matches?(spec) say( "There was both a regular copy and a default copy of #{name}. The " \ "regular copy was successfully uninstalled, but the default copy " \ "was left around because default gems can't be removed." ) end end # @return true if the specs of any default gems are `==` to the given `spec`. def default_spec_matches?(spec) !default_specs_that_match(spec).empty? end # @return [Array] specs of default gems that are `==` to the given `spec`. def default_specs_that_match(spec) @default_specs_matching_uninstall_params.select {|default_spec| spec == default_spec } end def warn_cannot_uninstall_default_gems(specs) specs.each do |spec| say "Gem #{spec.full_name} cannot be uninstalled because it is a default gem" end end end
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