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Name	Size	Permission
commands	[ DIR ]	drwxr-xr-x
core_ext	[ DIR ]	drwxr-xr-x
defaults	[ DIR ]	drwxr-xr-x
ext	[ DIR ]	drwxr-xr-x
optparse	[ DIR ]	drwxr-xr-x
package	[ DIR ]	drwxr-xr-x
request	[ DIR ]	drwxr-xr-x
request_set	[ DIR ]	drwxr-xr-x
resolver	[ DIR ]	drwxr-xr-x
security	[ DIR ]	drwxr-xr-x
source	[ DIR ]	drwxr-xr-x
ssl_certs	[ DIR ]	drwxr-xr-x
tsort	[ DIR ]	drwxr-xr-x
util	[ DIR ]	drwxr-xr-x
available_set.rb	3.01 KB	-rw-r--r--
basic_specification.rb	7.7 KB	-rw-r--r--
bundler_version_finder.rb	3.04 KB	-rw-r--r--
command.rb	15.91 KB	-rw-r--r--
command_manager.rb	5.09 KB	-rw-r--r--
compatibility.rb	1022 B	-rw-r--r--
config_file.rb	13.28 KB	-rw-r--r--
defaults.rb	7.06 KB	-rw-r--r--
dependency.rb	8.6 KB	-rw-r--r--
dependency_installer.rb	10.22 KB	-rw-r--r--
dependency_list.rb	5.54 KB	-rw-r--r--
deprecate.rb	3.44 KB	-rw-r--r--
doctor.rb	3.18 KB	-rw-r--r--
errors.rb	4.65 KB	-rw-r--r--
exceptions.rb	6.35 KB	-rw-r--r--
ext.rb	460 B	-rw-r--r--
gem_runner.rb	1.9 KB	-rw-r--r--
gemcutter_utilities.rb	7.63 KB	-rw-r--r--
indexer.rb	10.85 KB	-rw-r--r--
install_default_message.rb	348 B	-rw-r--r--
install_message.rb	322 B	-rw-r--r--
install_update_options.rb	6.3 KB	-rw-r--r--
installer.rb	26.4 KB	-rw-r--r--
installer_uninstaller_utils.rb	773 B	-rw-r--r--
local_remote_options.rb	3.56 KB	-rw-r--r--
mock_gem_ui.rb	1.38 KB	-rw-r--r--
name_tuple.rb	2.4 KB	-rw-r--r--
openssl.rb	125 B	-rw-r--r--
optparse.rb	72 B	-rw-r--r--
package.rb	17.17 KB	-rw-r--r--
package_task.rb	3.79 KB	-rw-r--r--
path_support.rb	1.88 KB	-rw-r--r--
platform.rb	6.65 KB	-rw-r--r--
psych_additions.rb	300 B	-rw-r--r--
psych_tree.rb	794 B	-rw-r--r--
query_utils.rb	8.61 KB	-rw-r--r--
rdoc.rb	231 B	-rw-r--r--
remote_fetcher.rb	9.26 KB	-rw-r--r--
request.rb	8.62 KB	-rw-r--r--
request_set.rb	11.25 KB	-rw-r--r--
requirement.rb	6.91 KB	-rw-r--r--
resolver.rb	9.65 KB	-rw-r--r--
s3_uri_signer.rb	5.91 KB	-rw-r--r--
safe_yaml.rb	1.5 KB	-rw-r--r--
security.rb	22.4 KB	-rw-r--r--
security_option.rb	1.06 KB	-rw-r--r--
server.rb	22.87 KB	-rw-r--r--
source.rb	5.7 KB	-rw-r--r--
source_list.rb	2.52 KB	-rw-r--r--
spec_fetcher.rb	6.54 KB	-rw-r--r--
specification.rb	70.07 KB	-rw-r--r--
specification_policy.rb	13.12 KB	-rw-r--r--
stub_specification.rb	4.74 KB	-rw-r--r--
text.rb	1.85 KB	-rw-r--r--
tsort.rb	66 B	-rw-r--r--
uninstaller.rb	10.22 KB	-rw-r--r--
uri.rb	2.12 KB	-rw-r--r--
uri_formatter.rb	781 B	-rw-r--r--
user_interaction.rb	13.11 KB	-rw-r--r--
util.rb	2.5 KB	-rw-r--r--
validator.rb	3.65 KB	-rw-r--r--
version.rb	12.44 KB	-rw-r--r--
version_option.rb	2.21 KB	-rw-r--r--

Code Editor : request_set.rb

# frozen_string_literal: true
require_relative 'tsort'

##
# A RequestSet groups a request to activate a set of dependencies.
#
#   nokogiri = Gem::Dependency.new 'nokogiri', '~> 1.6'
#   pg = Gem::Dependency.new 'pg', '~> 0.14'
#
#   set = Gem::RequestSet.new nokogiri, pg
#
#   requests = set.resolve
#
#   p requests.map { |r| r.full_name }
#   #=> ["nokogiri-1.6.0", "mini_portile-0.5.1", "pg-0.17.0"]

class Gem::RequestSet
  include Gem::TSort

##
  # Array of gems to install even if already installed

attr_accessor :always_install

attr_reader :dependencies

attr_accessor :development

##
  # Errors fetching gems during resolution.

attr_reader :errors

##
  # Set to true if you want to install only direct development dependencies.

attr_accessor :development_shallow

##
  # The set of git gems imported via load_gemdeps.

attr_reader :git_set # :nodoc:

##
  # When true, dependency resolution is not performed, only the requested gems
  # are installed.

attr_accessor :ignore_dependencies

attr_reader :install_dir # :nodoc:

##
  # If true, allow dependencies to match prerelease gems.

attr_accessor :prerelease

##
  # When false no remote sets are used for resolving gems.

attr_accessor :remote

attr_reader :resolver # :nodoc:

##
  # Sets used for resolution

attr_reader :sets # :nodoc:

##
  # Treat missing dependencies as silent errors

attr_accessor :soft_missing

##
  # The set of vendor gems imported via load_gemdeps.

attr_reader :vendor_set # :nodoc:

##
  # The set of source gems imported via load_gemdeps.

attr_reader :source_set

##
  # Creates a RequestSet for a list of Gem::Dependency objects, +deps+.  You
  # can then #resolve and #install the resolved list of dependencies.
  #
  #   nokogiri = Gem::Dependency.new 'nokogiri', '~> 1.6'
  #   pg = Gem::Dependency.new 'pg', '~> 0.14'
  #
  #   set = Gem::RequestSet.new nokogiri, pg

def initialize(*deps)
    @dependencies = deps

@always_install      = []
    @conservative        = false
    @dependency_names    = {}
    @development         = false
    @development_shallow = false
    @errors              = []
    @git_set             = nil
    @ignore_dependencies = false
    @install_dir         = Gem.dir
    @prerelease          = false
    @remote              = true
    @requests            = []
    @sets                = []
    @soft_missing        = false
    @sorted              = nil
    @specs               = nil
    @vendor_set          = nil
    @source_set          = nil

yield self if block_given?
  end

##
  # Declare that a gem of name +name+ with +reqs+ requirements is needed.

def gem(name, *reqs)
    if dep = @dependency_names[name]
      dep.requirement.concat reqs
    else
      dep = Gem::Dependency.new name, *reqs
      @dependency_names[name] = dep
      @dependencies << dep
    end
  end

##
  # Add +deps+ Gem::Dependency objects to the set.

def import(deps)
    @dependencies.concat deps
  end

##
  # Installs gems for this RequestSet using the Gem::Installer +options+.
  #
  # If a +block+ is given an activation +request+ and +installer+ are yielded.
  # The +installer+ will be +nil+ if a gem matching the request was already
  # installed.

def install(options, &block) # :yields: request, installer
    if dir = options[:install_dir]
      requests = install_into dir, false, options, &block
      return requests
    end

@prerelease = options[:prerelease]

requests = []
    download_queue = Thread::Queue.new

# Create a thread-safe list of gems to download
    sorted_requests.each do |req|
      download_queue << req
    end

# Create N threads in a pool, have them download all the gems
    threads = Gem.configuration.concurrent_downloads.times.map do
      # When a thread pops this item, it knows to stop running. The symbol
      # is queued here so that there will be one symbol per thread.
      download_queue << :stop

Thread.new do
        # The pop method will block waiting for items, so the only way
        # to stop a thread from running is to provide a final item that
        # means the thread should stop.
        while req = download_queue.pop
          break if req == :stop
          req.spec.download options unless req.installed?
        end
      end
    end

# Wait for all the downloads to finish before continuing
    threads.each(&:value)

# Install requested gems after they have been downloaded
    sorted_requests.each do |req|
      if req.installed?
        req.spec.spec.build_extensions

if @always_install.none? {|spec| spec == req.spec.spec }
          yield req, nil if block_given?
          next
        end
      end

spec =
        begin
          req.spec.install options do |installer|
            yield req, installer if block_given?
          end
        rescue Gem::RuntimeRequirementNotMetError => e
          suggestion = "There are no versions of #{req.request} compatible with your Ruby & RubyGems"
          suggestion += ". Maybe try installing an older version of the gem you're looking for?" unless @always_install.include?(req.spec.spec)
          e.suggestion = suggestion
          raise
        end

requests << spec
    end

return requests if options[:gemdeps]

install_hooks requests, options

requests
  end

##
  # Installs from the gem dependencies files in the +:gemdeps+ option in
  # +options+, yielding to the +block+ as in #install.
  #
  # If +:without_groups+ is given in the +options+, those groups in the gem
  # dependencies file are not used.  See Gem::Installer for other +options+.

def install_from_gemdeps(options, &block)
    gemdeps = options[:gemdeps]

@install_dir = options[:install_dir] || Gem.dir
    @prerelease  = options[:prerelease]
    @remote      = options[:domain] != :local
    @conservative = true if options[:conservative]

gem_deps_api = load_gemdeps gemdeps, options[:without_groups], true

resolve

if options[:explain]
      puts "Gems to install:"

sorted_requests.each do |spec|
        puts "  #{spec.full_name}"
      end

if Gem.configuration.really_verbose
        @resolver.stats.display
      end
    else
      installed = install options, &block

if options.fetch :lock, true
        lockfile =
          Gem::RequestSet::Lockfile.build self, gemdeps, gem_deps_api.dependencies
        lockfile.write
      end

installed
    end
  end

def install_into(dir, force = true, options = {})
    gem_home, ENV['GEM_HOME'] = ENV['GEM_HOME'], dir

existing = force ? [] : specs_in(dir)
    existing.delete_if {|s| @always_install.include? s }

dir = File.expand_path dir

installed = []

options[:development] = false
    options[:install_dir] = dir
    options[:only_install_dir] = true
    @prerelease = options[:prerelease]

sorted_requests.each do |request|
      spec = request.spec

if existing.find {|s| s.full_name == spec.full_name }
        yield request, nil if block_given?
        next
      end

spec.install options do |installer|
        yield request, installer if block_given?
      end

installed << request
    end

install_hooks installed, options

installed
  ensure
    ENV['GEM_HOME'] = gem_home
  end

##
  # Call hooks on installed gems

def install_hooks(requests, options)
    specs = requests.map do |request|
      case request
      when Gem::Resolver::ActivationRequest then
        request.spec.spec
      else
        request
      end
    end

require_relative "dependency_installer"
    inst = Gem::DependencyInstaller.new options
    inst.installed_gems.replace specs

Gem.done_installing_hooks.each do |hook|
      hook.call inst, specs
    end unless Gem.done_installing_hooks.empty?
  end

##
  # Load a dependency management file.

def load_gemdeps(path, without_groups = [], installing = false)
    @git_set    = Gem::Resolver::GitSet.new
    @vendor_set = Gem::Resolver::VendorSet.new
    @source_set = Gem::Resolver::SourceSet.new

@git_set.root_dir = @install_dir

lock_file = "#{File.expand_path(path)}.lock".dup.tap(&Gem::UNTAINT)
    begin
      tokenizer = Gem::RequestSet::Lockfile::Tokenizer.from_file lock_file
      parser = tokenizer.make_parser self, []
      parser.parse
    rescue Errno::ENOENT
    end

gf = Gem::RequestSet::GemDependencyAPI.new self, path
    gf.installing = installing
    gf.without_groups = without_groups if without_groups
    gf.load
  end

def pretty_print(q) # :nodoc:
    q.group 2, '[RequestSet:', ']' do
      q.breakable

if @remote
        q.text 'remote'
        q.breakable
      end

if @prerelease
        q.text 'prerelease'
        q.breakable
      end

if @development_shallow
        q.text 'shallow development'
        q.breakable
      elsif @development
        q.text 'development'
        q.breakable
      end

if @soft_missing
        q.text 'soft missing'
      end

q.group 2, '[dependencies:', ']' do
        q.breakable
        @dependencies.map do |dep|
          q.text dep.to_s
          q.breakable
        end
      end

q.breakable
      q.text 'sets:'

q.breakable
      q.pp @sets.map {|set| set.class }
    end
  end

##
  # Resolve the requested dependencies and return an Array of Specification
  # objects to be activated.

def resolve(set = Gem::Resolver::BestSet.new)
    @sets << set
    @sets << @git_set
    @sets << @vendor_set
    @sets << @source_set

set = Gem::Resolver.compose_sets(*@sets)
    set.remote = @remote
    set.prerelease = @prerelease

resolver = Gem::Resolver.new @dependencies, set
    resolver.development         = @development
    resolver.development_shallow = @development_shallow
    resolver.ignore_dependencies = @ignore_dependencies
    resolver.soft_missing        = @soft_missing

if @conservative
      installed_gems = {}
      Gem::Specification.find_all do |spec|
        (installed_gems[spec.name] ||= []) << spec
      end
      resolver.skip_gems = installed_gems
    end

@resolver = resolver

@requests = resolver.resolve

@errors = set.errors

@requests
  end

##
  # Resolve the requested dependencies against the gems available via Gem.path
  # and return an Array of Specification objects to be activated.

def resolve_current
    resolve Gem::Resolver::CurrentSet.new
  end

def sorted_requests
    @sorted ||= strongly_connected_components.flatten
  end

def specs
    @specs ||= @requests.map {|r| r.full_spec }
  end

def specs_in(dir)
    Gem::Util.glob_files_in_dir("*.gemspec", File.join(dir, "specifications")).map do |g|
      Gem::Specification.load g
    end
  end

def tsort_each_node(&block) # :nodoc:
    @requests.each(&block)
  end

def tsort_each_child(node) # :nodoc:
    node.spec.dependencies.each do |dep|
      next if dep.type == :development and not @development

match = @requests.find do |r|
        dep.match? r.spec.name, r.spec.version, @prerelease
      end

unless match
        next if dep.type == :development and @development_shallow
        next if @soft_missing
        raise Gem::DependencyError,
              "Unresolved dependency found during sorting - #{dep} (requested by #{node.spec.full_name})"
      end

yield match
    end
  end
end

require_relative 'request_set/gem_dependency_api'
require_relative 'request_set/lockfile'
require_relative 'request_set/lockfile/tokenizer'

${this.title}

Code Editor : request_set.rb