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ðŸ“ ..
ðŸ“„ available_set.rb(3.02 KB)
ðŸ“„ basic_specification.rb(7.34 KB)
ðŸ“„ bundler_version_finder.rb(2.78 KB)
ðŸ“„ command.rb(14.06 KB)
ðŸ“„ command_manager.rb(4.99 KB)
ðŸ“ commands
ðŸ“„ compatibility.rb(1014 B)
ðŸ“„ config_file.rb(12.61 KB)
ðŸ“ core_ext
ðŸ“„ defaults.rb(4.91 KB)
ðŸ“„ dependency.rb(8.42 KB)
ðŸ“„ dependency_installer.rb(14.37 KB)
ðŸ“„ dependency_list.rb(5.52 KB)
ðŸ“„ deprecate.rb(1.73 KB)
ðŸ“„ doctor.rb(3.06 KB)
ðŸ“„ errors.rb(4.63 KB)
ðŸ“„ exceptions.rb(6.62 KB)
ðŸ“ ext
ðŸ“„ ext.rb(460 B)
ðŸ“„ gem_runner.rb(2.18 KB)
ðŸ“„ gemcutter_utilities.rb(5.2 KB)
ðŸ“„ indexer.rb(11.27 KB)
ðŸ“„ install_default_message.rb(336 B)
ðŸ“„ install_message.rb(310 B)
ðŸ“„ install_update_options.rb(6.26 KB)
ðŸ“„ installer.rb(26.37 KB)
ðŸ“„ installer_test_case.rb(4.12 KB)
ðŸ“„ local_remote_options.rb(3.54 KB)
ðŸ“„ mock_gem_ui.rb(1.38 KB)
ðŸ“„ name_tuple.rb(2.41 KB)
ðŸ“ package
ðŸ“„ package.rb(17.52 KB)
ðŸ“„ package_task.rb(3.8 KB)
ðŸ“„ path_support.rb(1.87 KB)
ðŸ“„ platform.rb(6.25 KB)
ðŸ“„ psych_additions.rb(300 B)
ðŸ“„ psych_tree.rb(794 B)
ðŸ“„ rdoc.rb(523 B)
ðŸ“„ remote_fetcher.rb(11.38 KB)
ðŸ“ request
ðŸ“„ request.rb(8.69 KB)
ðŸ“ request_set
ðŸ“„ request_set.rb(11.93 KB)
ðŸ“„ requirement.rb(7.38 KB)
ðŸ“ resolver
ðŸ“„ resolver.rb(9.44 KB)
ðŸ“„ safe_yaml.rb(1.55 KB)
ðŸ“ security
ðŸ“„ security.rb(21.24 KB)
ðŸ“„ security_option.rb(1.06 KB)
ðŸ“„ server.rb(22.72 KB)
ðŸ“ source
ðŸ“„ source.rb(5.2 KB)
ðŸ“„ source_list.rb(2.53 KB)
ðŸ“„ source_local.rb(274 B)
ðŸ“„ source_specific_file.rb(272 B)
ðŸ“„ spec_fetcher.rb(6.51 KB)
ðŸ“„ specification.rb(72.7 KB)
ðŸ“„ specification_policy.rb(10.69 KB)
ðŸ“ ssl_certs
ðŸ“„ stub_specification.rb(4.81 KB)
ðŸ“„ syck_hack.rb(2.12 KB)
ðŸ“„ test_case.rb(43.33 KB)
ðŸ“„ test_utilities.rb(8.39 KB)
ðŸ“„ text.rb(1.86 KB)
ðŸ“„ uninstaller.rb(8.91 KB)
ðŸ“„ uri_formatter.rb(792 B)
ðŸ“„ user_interaction.rb(13.29 KB)
ðŸ“ util
ðŸ“„ util.rb(2.7 KB)
ðŸ“„ validator.rb(4.21 KB)
ðŸ“„ version.rb(12.22 KB)
ðŸ“„ version_option.rb(2.02 KB)

Editing: spec_fetcher.rb

# frozen_string_literal: true
require 'rubygems/remote_fetcher'
require 'rubygems/user_interaction'
require 'rubygems/errors'
require 'rubygems/text'
require 'rubygems/name_tuple'

##
# SpecFetcher handles metadata updates from remote gem repositories.

class Gem::SpecFetcher

include Gem::UserInteraction
  include Gem::Text

##
  # Cache of latest specs

attr_reader :latest_specs # :nodoc:

##
  # Sources for this SpecFetcher

attr_reader :sources # :nodoc:

##
  # Cache of all released specs

attr_reader :specs # :nodoc:

##
  # Cache of prerelease specs

attr_reader :prerelease_specs # :nodoc:

@fetcher = nil

##
  # Default fetcher instance.  Use this instead of ::new to reduce object
  # allocation.

def self.fetcher
    @fetcher ||= new
  end

def self.fetcher=(fetcher) # :nodoc:
    @fetcher = fetcher
  end

##
  # Creates a new SpecFetcher.  Ordinarily you want to use the default fetcher
  # from Gem::SpecFetcher::fetcher which uses the Gem.sources.
  #
  # If you need to retrieve specifications from a different +source+, you can
  # send it as an argument.

def initialize(sources = nil)
    @sources = sources || Gem.sources

@update_cache =
      begin
        File.stat(Gem.user_home).uid == Process.uid
      rescue Errno::EACCES, Errno::ENOENT
        false
      end

@specs = {}
    @latest_specs = {}
    @prerelease_specs = {}

@caches = {
      :latest => @latest_specs,
      :prerelease => @prerelease_specs,
      :released => @specs,
    }

@fetcher = Gem::RemoteFetcher.fetcher
  end

##
  #
  # Find and fetch gem name tuples that match +dependency+.
  #
  # If +matching_platform+ is false, gems for all platforms are returned.

def search_for_dependency(dependency, matching_platform=true)
    found = {}

rejected_specs = {}

if dependency.prerelease?
      if dependency.specific?
        type = :complete
      else
        type = :abs_latest
      end
    elsif dependency.latest_version?
      type = :latest
    else
      type = :released
    end

list, errors = available_specs(type)
    list.each do |source, specs|
      if dependency.name.is_a?(String) && specs.respond_to?(:bsearch)
        start_index = (0 ... specs.length).bsearch{ |i| specs[i].name >= dependency.name }
        end_index   = (0 ... specs.length).bsearch{ |i| specs[i].name > dependency.name }
        specs = specs[start_index ... end_index] if start_index && end_index
      end

found[source] = specs.select do |tup|
        if dependency.match?(tup)
          if matching_platform and !Gem::Platform.match(tup.platform)
            pm = (
              rejected_specs[dependency] ||= \
                Gem::PlatformMismatch.new(tup.name, tup.version))
            pm.add_platform tup.platform
            false
          else
            true
          end
        end
      end
    end

errors += rejected_specs.values

tuples = []

found.each do |source, specs|
      specs.each do |s|
        tuples << [s, source]
      end
    end

tuples = tuples.sort_by { |x| x[0] }

return [tuples, errors]
  end

##
  # Return all gem name tuples who's names match +obj+

def detect(type=:complete)
    tuples = []

list, _ = available_specs(type)
    list.each do |source, specs|
      specs.each do |tup|
        if yield(tup)
          tuples << [tup, source]
        end
      end
    end

tuples
  end

##
  # Find and fetch specs that match +dependency+.
  #
  # If +matching_platform+ is false, gems for all platforms are returned.

def spec_for_dependency(dependency, matching_platform=true)
    tuples, errors = search_for_dependency(dependency, matching_platform)

specs = []
    tuples.each do |tup, source|
      begin
        spec = source.fetch_spec(tup)
      rescue Gem::RemoteFetcher::FetchError => e
        errors << Gem::SourceFetchProblem.new(source, e)
      else
        specs << [spec, source]
      end
    end

return [specs, errors]
  end

##
  # Suggests gems based on the supplied +gem_name+. Returns an array of
  # alternative gem names.

def suggest_gems_from_name(gem_name, type = :latest)
    gem_name        = gem_name.downcase.tr('_-', '')
    max             = gem_name.size / 2
    names           = available_specs(type).first.values.flatten(1)

matches = names.map { |n|
      next unless n.match_platform?

distance = levenshtein_distance gem_name, n.name.downcase.tr('_-', '')

next if distance >= max

return [n.name] if distance == 0

[n.name, distance]
    }.compact

matches = if matches.empty? && type != :prerelease
                suggest_gems_from_name gem_name, :prerelease
              else
                matches.uniq.sort_by { |name, dist| dist }
              end

matches.first(5).map { |name, dist| name }
  end

##
  # Returns a list of gems available for each source in Gem::sources.
  #
  # +type+ can be one of 3 values:
  # :released   => Return the list of all released specs
  # :complete   => Return the list of all specs
  # :latest     => Return the list of only the highest version of each gem
  # :prerelease => Return the list of all prerelease only specs
  #

def available_specs(type)
    errors = []
    list = {}

@sources.each_source do |source|
      begin
        names = case type
                when :latest
                  tuples_for source, :latest
                when :released
                  tuples_for source, :released
                when :complete
                  names =
                    tuples_for(source, :prerelease, true) +
                    tuples_for(source, :released)

names.sort
                when :abs_latest
                  names =
                    tuples_for(source, :prerelease, true) +
                    tuples_for(source, :latest)

names.sort
                when :prerelease
                  tuples_for(source, :prerelease)
                else
                  raise Gem::Exception, "Unknown type - :#{type}"
                end
      rescue Gem::RemoteFetcher::FetchError => e
        errors << Gem::SourceFetchProblem.new(source, e)
      else
        list[source] = names
      end
    end

[list, errors]
  end

##
  # Retrieves NameTuples from +source+ of the given +type+ (:prerelease,
  # etc.).  If +gracefully_ignore+ is true, errors are ignored.

def tuples_for(source, type, gracefully_ignore=false) # :nodoc:
    @caches[type][source.uri] ||=
      source.load_specs(type).sort_by { |tup| tup.name }
  rescue Gem::RemoteFetcher::FetchError
    raise unless gracefully_ignore
    []
  end

end

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