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ðŸ“ ..
ðŸ“„ available_set.rb(3.01 KB)
ðŸ“„ basic_specification.rb(7.65 KB)
ðŸ“„ bundler_version_finder.rb(1.98 KB)
ðŸ“„ command.rb(15.82 KB)
ðŸ“„ command_manager.rb(5.24 KB)
ðŸ“ commands
ðŸ“„ compatibility.rb(1 KB)
ðŸ“„ config_file.rb(13.23 KB)
ðŸ“ core_ext
ðŸ“ defaults
ðŸ“„ defaults.rb(6.58 KB)
ðŸ“„ dependency.rb(8.59 KB)
ðŸ“„ dependency_installer.rb(10.22 KB)
ðŸ“„ dependency_list.rb(5.54 KB)
ðŸ“„ deprecate.rb(4.87 KB)
ðŸ“„ doctor.rb(3.13 KB)
ðŸ“„ errors.rb(4.52 KB)
ðŸ“„ exceptions.rb(7.13 KB)
ðŸ“ ext
ðŸ“„ ext.rb(497 B)
ðŸ“„ gem_runner.rb(1.79 KB)
ðŸ“„ gemcutter_utilities.rb(8.88 KB)
ðŸ“„ indexer.rb(10.89 KB)
ðŸ“„ install_default_message.rb(348 B)
ðŸ“„ install_message.rb(322 B)
ðŸ“„ install_update_options.rb(6.35 KB)
ðŸ“„ installer.rb(26.76 KB)
ðŸ“„ installer_uninstaller_utils.rb(773 B)
ðŸ“„ local_remote_options.rb(3.56 KB)
ðŸ“„ mock_gem_ui.rb(1.38 KB)
ðŸ“„ name_tuple.rb(2.39 KB)
ðŸ“„ openssl.rb(125 B)
ðŸ“ optparse
ðŸ“„ optparse.rb(72 B)
ðŸ“ package
ðŸ“„ package.rb(17.72 KB)
ðŸ“„ package_task.rb(3.79 KB)
ðŸ“„ path_support.rb(1.78 KB)
ðŸ“„ platform.rb(7.61 KB)
ðŸ“„ psych_tree.rb(794 B)
ðŸ“„ query_utils.rb(8.5 KB)
ðŸ“„ rdoc.rb(231 B)
ðŸ“„ remote_fetcher.rb(9.2 KB)
ðŸ“ request
ðŸ“„ request.rb(8.6 KB)
ðŸ“ request_set
ðŸ“„ request_set.rb(11.3 KB)
ðŸ“„ requirement.rb(6.91 KB)
ðŸ“ resolver
ðŸ“„ resolver.rb(9.64 KB)
ðŸ“„ s3_uri_signer.rb(5.91 KB)
ðŸ“„ safe_yaml.rb(1.51 KB)
ðŸ“ security
ðŸ“„ security.rb(22.39 KB)
ðŸ“„ security_option.rb(1.06 KB)
ðŸ“ source
ðŸ“„ source.rb(5.58 KB)
ðŸ“„ source_list.rb(2.41 KB)
ðŸ“„ spec_fetcher.rb(6.36 KB)
ðŸ“„ specification.rb(70.8 KB)
ðŸ“„ specification_policy.rb(12.87 KB)
ðŸ“ ssl_certs
ðŸ“„ stub_specification.rb(4.48 KB)
ðŸ“„ text.rb(1.98 KB)
ðŸ“ tsort
ðŸ“„ tsort.rb(66 B)
ðŸ“„ uninstaller.rb(10.2 KB)
ðŸ“„ unknown_command_spell_checker.rb(411 B)
ðŸ“„ uri.rb(2.33 KB)
ðŸ“„ uri_formatter.rb(781 B)
ðŸ“„ user_interaction.rb(13.01 KB)
ðŸ“ util
ðŸ“„ util.rb(2.5 KB)
ðŸ“„ validator.rb(3.65 KB)
ðŸ“„ version.rb(12.57 KB)
ðŸ“„ version_option.rb(2.21 KB)

Editing: validator.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_relative "package"
require_relative "installer"

##
# Validator performs various gem file and gem database validation

class Gem::Validator
  include Gem::UserInteraction

def initialize # :nodoc:
    require "find"
  end

private

def find_files_for_gem(gem_directory)
    installed_files = []

Find.find gem_directory do |file_name|
      fn = file_name[gem_directory.size..file_name.size - 1].sub(/^\//, "")
      installed_files << fn unless
        fn =~ /CVS/ || fn.empty? || File.directory?(file_name)
    end

installed_files
  end

public

##
  # Describes a problem with a file in a gem.

ErrorData = Struct.new :path, :problem do
    def <=>(other) # :nodoc:
      return nil unless self.class === other

[path, problem] <=> [other.path, other.problem]
    end
  end

##
  # Checks the gem directory for the following potential
  # inconsistencies/problems:
  #
  # * Checksum gem itself
  # * For each file in each gem, check consistency of installed versions
  # * Check for files that aren't part of the gem but are in the gems directory
  # * 1 cache - 1 spec - 1 directory.
  #
  # returns a hash of ErrorData objects, keyed on the problem gem's name.
  #--
  # TODO needs further cleanup

def alien(gems=[])
    errors = Hash.new {|h,k| h[k] = {} }

Gem::Specification.each do |spec|
      next unless gems.include? spec.name unless gems.empty?
      next if spec.default_gem?

gem_name      = spec.file_name
      gem_path      = spec.cache_file
      spec_path     = spec.spec_file
      gem_directory = spec.full_gem_path

unless File.directory? gem_directory
        errors[gem_name][spec.full_name] =
          "Gem registered but doesn't exist at #{gem_directory}"
        next
      end

unless File.exist? spec_path
        errors[gem_name][spec_path] = "Spec file missing for installed gem"
      end

begin
        unless File.readable?(gem_path)
          raise Gem::VerificationError, "missing gem file #{gem_path}"
        end

good, gone, unreadable = nil, nil, nil, nil

File.open gem_path, Gem.binary_mode do |file|
          package = Gem::Package.new gem_path

good, gone = package.contents.partition do |file_name|
            File.exist? File.join(gem_directory, file_name)
          end

gone.sort.each do |path|
            errors[gem_name][path] = "Missing file"
          end

good, unreadable = good.partition do |file_name|
            File.readable? File.join(gem_directory, file_name)
          end

unreadable.sort.each do |path|
            errors[gem_name][path] = "Unreadable file"
          end

good.each do |entry, data|
            begin
              next unless data # HACK `gem check -a mkrf`

source = File.join gem_directory, entry["path"]

File.open source, Gem.binary_mode do |f|
                unless f.read == data
                  errors[gem_name][entry["path"]] = "Modified from original"
                end
              end
            end
          end
        end

installed_files = find_files_for_gem(gem_directory)
        extras = installed_files - good - unreadable

extras.each do |extra|
          errors[gem_name][extra] = "Extra file"
        end
      rescue Gem::VerificationError => e
        errors[gem_name][gem_path] = e.message
      end
    end

errors.each do |name, subhash|
      errors[name] = subhash.map do |path, msg|
        ErrorData.new path, msg
      end.sort
    end

errors
  end
end

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Editing: validator.rb

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