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?? available_set.rb(3.02 KB)
?? basic_specification.rb(7.62 KB)
?? bundler_version_finder.rb(2.97 KB)
?? command.rb(15.79 KB)
?? command_manager.rb(4.99 KB)
?? commands
?? compatibility.rb(1022 B)
?? config_file.rb(12.69 KB)
?? core_ext
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?? defaults.rb(4.76 KB)
?? dependency.rb(8.64 KB)
?? dependency_installer.rb(12 KB)
?? dependency_list.rb(5.54 KB)
?? deprecate.rb(1.75 KB)
?? doctor.rb(3.06 KB)
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?? exceptions.rb(6.49 KB)
?? ext
?? ext.rb(460 B)
?? gem_runner.rb(2.18 KB)
?? gemcutter_utilities.rb(5.16 KB)
?? indexer.rb(11.29 KB)
?? install_default_message.rb(336 B)
?? install_message.rb(310 B)
?? install_update_options.rb(6.26 KB)
?? installer.rb(26.62 KB)
?? installer_test_case.rb(4.8 KB)
?? local_remote_options.rb(3.53 KB)
?? mock_gem_ui.rb(1.38 KB)
?? name_tuple.rb(2.42 KB)
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?? package.rb(17.99 KB)
?? package_task.rb(3.8 KB)
?? path_support.rb(1.88 KB)
?? platform.rb(6.25 KB)
?? psych_additions.rb(300 B)
?? psych_tree.rb(796 B)
?? rdoc.rb(524 B)
?? remote_fetcher.rb(9.48 KB)
?? request
?? request.rb(8.7 KB)
?? request_set
?? request_set.rb(11.94 KB)
?? requirement.rb(7.15 KB)
?? resolver
?? resolver.rb(9.46 KB)
?? s3_uri_signer.rb(5.93 KB)
?? safe_yaml.rb(1.55 KB)
?? security
?? security.rb(21.24 KB)
?? security_option.rb(1.03 KB)
?? server.rb(22.72 KB)
?? source
?? source.rb(5.38 KB)
?? source_list.rb(2.55 KB)
?? source_local.rb(274 B)
?? source_specific_file.rb(272 B)
?? spec_fetcher.rb(6.3 KB)
?? specification.rb(70.78 KB)
?? specification_policy.rb(11.67 KB)
?? ssl_certs
?? stub_specification.rb(4.74 KB)
?? syck_hack.rb(2.12 KB)
?? test_case.rb(39.92 KB)
?? test_utilities.rb(8.84 KB)
?? text.rb(1.85 KB)
?? uninstaller.rb(8.83 KB)
?? uri_formatter.rb(778 B)
?? uri_parser.rb(785 B)
?? uri_parsing.rb(324 B)
?? user_interaction.rb(13.3 KB)
?? util
?? util.rb(2.41 KB)
?? validator.rb(3.65 KB)
?? version.rb(12.45 KB)
?? version_option.rb(2.02 KB)

Editing: source.rb

# frozen_string_literal: true
autoload :FileUtils, 'fileutils'

require "rubygems/text"
##
# A Source knows how to list and fetch gems from a RubyGems marshal index.
#
# There are other Source subclasses for installed gems, local gems, the
# bundler dependency API and so-forth.

class Gem::Source

include Comparable
  include Gem::Text

FILES = { # :nodoc:
    :released   => 'specs',
    :latest     => 'latest_specs',
    :prerelease => 'prerelease_specs',
  }.freeze

##
  # The URI this source will fetch gems from.

attr_reader :uri

##
  # Creates a new Source which will use the index located at +uri+.

def initialize(uri)
    begin
      unless uri.kind_of? URI
        uri = URI.parse(uri.to_s)
      end
    rescue URI::InvalidURIError
      raise if Gem::Source == self.class
    end

@uri = uri
  end

##
  # Sources are ordered by installation preference.

def <=>(other)
    case other
    when Gem::Source::Installed,
         Gem::Source::Local,
         Gem::Source::Lock,
         Gem::Source::SpecificFile,
         Gem::Source::Git,
         Gem::Source::Vendor then
      -1
    when Gem::Source then
      if !@uri
        return 0 unless other.uri
        return 1
      end

return -1 if !other.uri

# Returning 1 here ensures that when sorting a list of sources, the
      # original ordering of sources supplied by the user is preserved.
      return 1 unless @uri.to_s == other.uri.to_s

0
    else
      nil
    end
  end

def ==(other) # :nodoc:
    self.class === other and @uri == other.uri
  end

alias_method :eql?, :== # :nodoc:

##
  # Returns a Set that can fetch specifications from this source.

def dependency_resolver_set # :nodoc:
    return Gem::Resolver::IndexSet.new self if 'file' == uri.scheme

bundler_api_uri = uri + './api/v1/dependencies'

begin
      fetcher = Gem::RemoteFetcher.fetcher
      response = fetcher.fetch_path bundler_api_uri, nil, true
    rescue Gem::RemoteFetcher::FetchError
      Gem::Resolver::IndexSet.new self
    else
      if response.respond_to? :uri
        Gem::Resolver::APISet.new response.uri
      else
        Gem::Resolver::APISet.new bundler_api_uri
      end
    end
  end

def hash # :nodoc:
    @uri.hash
  end

##
  # Returns the local directory to write +uri+ to.

def cache_dir(uri)
    # Correct for windows paths
    escaped_path = uri.path.sub(/^\/([a-z]):\//i, '/\\1-/')
    escaped_path.tap(&Gem::UNTAINT)

File.join Gem.spec_cache_dir, "#{uri.host}%#{uri.port}", File.dirname(escaped_path)
  end

##
  # Returns true when it is possible and safe to update the cache directory.

def update_cache?
    @update_cache ||=
      begin
        File.stat(Gem.user_home).uid == Process.uid
      rescue Errno::ENOENT
        false
      end
  end

##
  # Fetches a specification for the given +name_tuple+.

def fetch_spec(name_tuple)
    fetcher = Gem::RemoteFetcher.fetcher

spec_file_name = name_tuple.spec_name

source_uri = uri + "#{Gem::MARSHAL_SPEC_DIR}#{spec_file_name}"

cache_dir = cache_dir source_uri

local_spec = File.join cache_dir, spec_file_name

if File.exist? local_spec
      spec = Gem.read_binary local_spec
      spec = Marshal.load(spec) rescue nil
      return spec if spec
    end

source_uri.path << '.rz'

spec = fetcher.fetch_path source_uri
    spec = Gem::Util.inflate spec

if update_cache?
      FileUtils.mkdir_p cache_dir

File.open local_spec, 'wb' do |io|
        io.write spec
      end
    end

# TODO: Investigate setting Gem::Specification#loaded_from to a URI
    Marshal.load spec
  end

##
  # Loads +type+ kind of specs fetching from +@uri+ if the on-disk cache is
  # out of date.
  #
  # +type+ is one of the following:
  #
  # :released   => Return the list of all released specs
  # :latest     => Return the list of only the highest version of each gem
  # :prerelease => Return the list of all prerelease only specs
  #

def load_specs(type)
    file       = FILES[type]
    fetcher    = Gem::RemoteFetcher.fetcher
    file_name  = "#{file}.#{Gem.marshal_version}"
    spec_path  = uri + "#{file_name}.gz"
    cache_dir  = cache_dir spec_path
    local_file = File.join(cache_dir, file_name)
    retried    = false

FileUtils.mkdir_p cache_dir if update_cache?

spec_dump = fetcher.cache_update_path spec_path, local_file, update_cache?

begin
      Gem::NameTuple.from_list Marshal.load(spec_dump)
    rescue ArgumentError
      if update_cache? && !retried
        FileUtils.rm local_file
        retried = true
        retry
      else
        raise Gem::Exception.new("Invalid spec cache file in #{local_file}")
      end
    end
  end

##
  # Downloads +spec+ and writes it to +dir+.  See also
  # Gem::RemoteFetcher#download.

def download(spec, dir=Dir.pwd)
    fetcher = Gem::RemoteFetcher.fetcher
    fetcher.download spec, uri.to_s, dir
  end

def pretty_print(q) # :nodoc:
    q.group 2, '[Remote:', ']' do
      q.breakable
      q.text @uri.to_s

if api = uri
        q.breakable
        q.text 'API URI: '
        q.text api.to_s
      end
    end
  end

def typo_squatting?(host, distance_threshold=4)
    return if @uri.host.nil?
    levenshtein_distance(@uri.host, host) <= distance_threshold
  end

end

require 'rubygems/source/git'
require 'rubygems/source/installed'
require 'rubygems/source/specific_file'
require 'rubygems/source/local'
require 'rubygems/source/lock'
require 'rubygems/source/vendor'

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