# frozen_string_literal: true require_relative '../rubygems' require_relative 'user_interaction' ## # Cleans up after a partially-failed uninstall or for an invalid # Gem::Specification. # # If a specification was removed by hand this will remove any remaining files. # # If a corrupt specification was installed this will clean up warnings by # removing the bogus specification. class Gem::Doctor include Gem::UserInteraction ## # Maps a gem subdirectory to the files that are expected to exist in the # subdirectory. REPOSITORY_EXTENSION_MAP = [ # :nodoc: ['specifications', '.gemspec'], ['build_info', '.info'], ['cache', '.gem'], ['doc', ''], ['extensions', ''], ['gems', ''], ['plugins', ''], ].freeze missing = Gem::REPOSITORY_SUBDIRECTORIES.sort - REPOSITORY_EXTENSION_MAP.map {|(k,_)| k }.sort raise "Update REPOSITORY_EXTENSION_MAP, missing: #{missing.join ', '}" unless missing.empty? ## # Creates a new Gem::Doctor that will clean up +gem_repository+. Only one # gem repository may be cleaned at a time. # # If +dry_run+ is true no files or directories will be removed. def initialize(gem_repository, dry_run = false) @gem_repository = gem_repository @dry_run = dry_run @installed_specs = nil end ## # Specs installed in this gem repository def installed_specs # :nodoc: @installed_specs ||= Gem::Specification.map {|s| s.full_name } end ## # Are we doctoring a gem repository? def gem_repository? not installed_specs.empty? end ## # Cleans up uninstalled files and invalid gem specifications def doctor @orig_home = Gem.dir @orig_path = Gem.path say "Checking #{@gem_repository}" Gem.use_paths @gem_repository.to_s unless gem_repository? say 'This directory does not appear to be a RubyGems repository, ' + 'skipping' say return end doctor_children say ensure Gem.use_paths @orig_home, *@orig_path end ## # Cleans up children of this gem repository def doctor_children # :nodoc: REPOSITORY_EXTENSION_MAP.each do |sub_directory, extension| doctor_child sub_directory, extension end end ## # Removes files in +sub_directory+ with +extension+ def doctor_child(sub_directory, extension) # :nodoc: directory = File.join(@gem_repository, sub_directory) Dir.entries(directory).sort.each do |ent| next if ent == "." || ent == ".." child = File.join(directory, ent) next unless File.exist?(child) basename = File.basename(child, extension) next if installed_specs.include? basename next if /^rubygems-\d/ =~ basename next if 'specifications' == sub_directory and 'default' == basename next if 'plugins' == sub_directory and Gem.plugin_suffix_regexp =~ basename type = File.directory?(child) ? 'directory' : 'file' action = if @dry_run 'Extra' else FileUtils.rm_r(child) 'Removed' end say "#{action} #{type} #{sub_directory}/#{File.basename(child)}" end rescue Errno::ENOENT # ignore end end