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Name	Size	Permission	Date
commands	[ DIR ]	drwxr-xr-x	2025-04-16 09:00
core_ext	[ DIR ]	drwxr-xr-x	2025-04-16 09:00
defaults	[ DIR ]	drwxr-xr-x	2025-04-16 09:00
ext	[ DIR ]	drwxr-xr-x	2025-04-16 09:00
gemcutter_utilities	[ DIR ]	drwxr-xr-x	2025-04-16 09:00
package	[ DIR ]	drwxr-xr-x	2025-04-16 09:00
request	[ DIR ]	drwxr-xr-x	2025-04-16 09:00
request_set	[ DIR ]	drwxr-xr-x	2025-04-16 09:00
resolver	[ DIR ]	drwxr-xr-x	2025-04-16 09:00
safe_marshal	[ DIR ]	drwxr-xr-x	2025-04-16 09:00
security	[ DIR ]	drwxr-xr-x	2025-04-16 09:00
source	[ DIR ]	drwxr-xr-x	2025-04-16 09:00
ssl_certs	[ DIR ]	drwxr-xr-x	2025-03-20 13:38
util	[ DIR ]	drwxr-xr-x	2025-04-16 09:00
vendor	[ DIR ]	drwxr-xr-x	2025-03-20 13:38
available_set.rb	3 KB	-rw-r--r--	2025-03-20 13:38
basic_specification.rb	8.13 KB	-rw-r--r--	2025-03-20 13:38
bundler_version_finder.rb	1.96 KB	-rw-r--r--	2025-03-20 13:38
ci_detector.rb	3.71 KB	-rw-r--r--	2025-03-20 13:38
command.rb	15.97 KB	-rw-r--r--	2025-03-20 13:38
command_manager.rb	5.64 KB	-rw-r--r--	2025-03-20 13:38
compatibility.rb	1022 B	-rw-r--r--	2025-03-20 13:38
config_file.rb	16.31 KB	-rw-r--r--	2025-03-20 13:38
defaults.rb	7.38 KB	-rw-r--r--	2025-03-20 13:38
dependency.rb	8.45 KB	-rw-r--r--	2025-03-20 13:38
dependency_installer.rb	9.91 KB	-rw-r--r--	2025-03-20 13:38
dependency_list.rb	5.55 KB	-rw-r--r--	2025-03-20 13:38
deprecate.rb	5.04 KB	-rw-r--r--	2025-03-20 13:38
doctor.rb	3.13 KB	-rw-r--r--	2025-03-20 13:38
errors.rb	4.53 KB	-rw-r--r--	2025-03-20 13:38
exceptions.rb	7.13 KB	-rw-r--r--	2025-03-20 13:38
ext.rb	498 B	-rw-r--r--	2025-03-20 13:38
gem_runner.rb	2.14 KB	-rw-r--r--	2025-03-20 13:38
gemcutter_utilities.rb	11.25 KB	-rw-r--r--	2025-03-20 13:38
gemspec_helpers.rb	394 B	-rw-r--r--	2025-03-20 13:38
install_default_message.rb	349 B	-rw-r--r--	2025-03-20 13:38
install_message.rb	323 B	-rw-r--r--	2025-03-20 13:38
install_update_options.rb	6.56 KB	-rw-r--r--	2025-03-20 13:38
installer.rb	27.74 KB	-rw-r--r--	2025-03-20 13:38
installer_uninstaller_utils.rb	771 B	-rw-r--r--	2025-03-20 13:38
local_remote_options.rb	3.61 KB	-rw-r--r--	2025-03-20 13:38
name_tuple.rb	2.38 KB	-rw-r--r--	2025-03-20 13:38
openssl.rb	125 B	-rw-r--r--	2025-03-20 13:38
package.rb	18.83 KB	-rw-r--r--	2025-03-20 13:38
package_task.rb	3.79 KB	-rw-r--r--	2025-03-20 13:38
path_support.rb	1.77 KB	-rw-r--r--	2025-03-20 13:38
platform.rb	8.41 KB	-rw-r--r--	2025-03-20 13:38
psych_tree.rb	855 B	-rw-r--r--	2025-03-20 13:38
query_utils.rb	8.5 KB	-rw-r--r--	2025-03-20 13:38
rdoc.rb	607 B	-rw-r--r--	2025-03-20 13:38
remote_fetcher.rb	9.38 KB	-rw-r--r--	2025-03-20 13:38
request.rb	8.7 KB	-rw-r--r--	2025-03-20 13:38
request_set.rb	11.29 KB	-rw-r--r--	2025-03-20 13:38
requirement.rb	7.08 KB	-rw-r--r--	2025-03-20 13:38
resolver.rb	9.43 KB	-rw-r--r--	2025-03-20 13:38
s3_uri_signer.rb	5.96 KB	-rw-r--r--	2025-03-20 13:38
safe_marshal.rb	1.92 KB	-rw-r--r--	2025-03-20 13:38
safe_yaml.rb	1.04 KB	-rw-r--r--	2025-03-20 13:38
security.rb	21.69 KB	-rw-r--r--	2025-03-20 13:38
security_option.rb	1.06 KB	-rw-r--r--	2025-03-20 13:38
shellwords.rb	66 B	-rw-r--r--	2025-03-20 13:38
source.rb	5.78 KB	-rw-r--r--	2025-03-20 13:38
source_list.rb	2.42 KB	-rw-r--r--	2025-03-20 13:38
spec_fetcher.rb	7.68 KB	-rw-r--r--	2025-03-20 13:38
specification.rb	69.02 KB	-rw-r--r--	2025-03-20 13:38
specification_policy.rb	15.59 KB	-rw-r--r--	2025-03-20 13:38
specification_record.rb	5.21 KB	-rw-r--r--	2025-03-20 13:38
stub_specification.rb	4.96 KB	-rw-r--r--	2025-03-20 13:38
target_rbconfig.rb	1.24 KB	-rw-r--r--	2025-03-20 13:38
text.rb	2.06 KB	-rw-r--r--	2025-03-20 13:38
uninstaller.rb	10.92 KB	-rw-r--r--	2025-03-20 13:38
unknown_command_spell_checker.rb	411 B	-rw-r--r--	2025-03-20 13:38
update_suggestion.rb	1.85 KB	-rw-r--r--	2025-03-20 13:38
uri.rb	2.38 KB	-rw-r--r--	2025-03-20 13:38
uri_formatter.rb	784 B	-rw-r--r--	2025-03-20 13:38
user_interaction.rb	13.1 KB	-rw-r--r--	2025-03-20 13:38
util.rb	2.46 KB	-rw-r--r--	2025-03-20 13:38
validator.rb	3.63 KB	-rw-r--r--	2025-03-20 13:38
vendored_molinillo.rb	81 B	-rw-r--r--	2025-03-20 13:38
vendored_net_http.rb	233 B	-rw-r--r--	2025-03-20 13:38
vendored_optparse.rb	79 B	-rw-r--r--	2025-03-20 13:38
vendored_securerandom.rb	87 B	-rw-r--r--	2025-03-20 13:38
vendored_timeout.rb	228 B	-rw-r--r--	2025-03-20 13:38
vendored_tsort.rb	73 B	-rw-r--r--	2025-03-20 13:38
version.rb	13.01 KB	-rw-r--r--	2025-03-20 13:38
version_option.rb	2.17 KB	-rw-r--r--	2025-03-20 13:38
yaml_serializer.rb	2.42 KB	-rw-r--r--	2025-03-20 13:38

Rename

# frozen_string_literal: true

require_relative "dependency"
require_relative "exceptions"
require_relative "util/list"

##
# Given a set of Gem::Dependency objects as +needed+ and a way to query the
# set of available specs via +set+, calculates a set of ActivationRequest
# objects which indicate all the specs that should be activated to meet the
# all the requirements.

class Gem::Resolver
  require_relative "vendored_molinillo"

##
  # If the DEBUG_RESOLVER environment variable is set then debugging mode is
  # enabled for the resolver.  This will display information about the state
  # of the resolver while a set of dependencies is being resolved.

DEBUG_RESOLVER = !ENV["DEBUG_RESOLVER"].nil?

##
  # Set to true if all development dependencies should be considered.

attr_accessor :development

##
  # Set to true if immediate development dependencies should be considered.

attr_accessor :development_shallow

##
  # When true, no dependencies are looked up for requested gems.

attr_accessor :ignore_dependencies

##
  # List of dependencies that could not be found in the configured sources.

attr_reader :stats

##
  # Hash of gems to skip resolution.  Keyed by gem name, with arrays of
  # gem specifications as values.

attr_accessor :skip_gems

##
  #

attr_accessor :soft_missing

##
  # Combines +sets+ into a ComposedSet that allows specification lookup in a
  # uniform manner.  If one of the +sets+ is itself a ComposedSet its sets are
  # flattened into the result ComposedSet.

def self.compose_sets(*sets)
    sets.compact!

sets = sets.flat_map do |set|
      case set
      when Gem::Resolver::BestSet then
        set
      when Gem::Resolver::ComposedSet then
        set.sets
      else
        set
      end
    end

case sets.length
    when 0 then
      raise ArgumentError, "one set in the composition must be non-nil"
    when 1 then
      sets.first
    else
      Gem::Resolver::ComposedSet.new(*sets)
    end
  end

##
  # Creates a Resolver that queries only against the already installed gems
  # for the +needed+ dependencies.

def self.for_current_gems(needed)
    new needed, Gem::Resolver::CurrentSet.new
  end

##
  # Create Resolver object which will resolve the tree starting
  # with +needed+ Dependency objects.
  #
  # +set+ is an object that provides where to look for specifications to
  # satisfy the Dependencies. This defaults to IndexSet, which will query
  # rubygems.org.

def initialize(needed, set = nil)
    @set = set || Gem::Resolver::IndexSet.new
    @needed = needed

@development         = false
    @development_shallow = false
    @ignore_dependencies = false
    @skip_gems           = {}
    @soft_missing        = false
    @stats               = Gem::Resolver::Stats.new
  end

def explain(stage, *data) # :nodoc:
    return unless DEBUG_RESOLVER

d = data.map(&:pretty_inspect).join(", ")
    $stderr.printf "%10s %s\n", stage.to_s.upcase, d
  end

def explain_list(stage) # :nodoc:
    return unless DEBUG_RESOLVER

data = yield
    $stderr.printf "%10s (%d entries)\n", stage.to_s.upcase, data.size
    unless data.empty?
      require "pp"
      PP.pp data, $stderr
    end
  end

##
  # Creates an ActivationRequest for the given +dep+ and the last +possible+
  # specification.
  #
  # Returns the Specification and the ActivationRequest

def activation_request(dep, possible) # :nodoc:
    spec = possible.pop

explain :activate, [spec.full_name, possible.size]
    explain :possible, possible

activation_request =
      Gem::Resolver::ActivationRequest.new spec, dep, possible

[spec, activation_request]
  end

def requests(s, act, reqs=[]) # :nodoc:
    return reqs if @ignore_dependencies

s.fetch_development_dependencies if @development

s.dependencies.reverse_each do |d|
      next if d.type == :development && !@development
      next if d.type == :development && @development_shallow &&
              act.development?
      next if d.type == :development && @development_shallow &&
              act.parent

reqs << Gem::Resolver::DependencyRequest.new(d, act)
      @stats.requirement!
    end

@set.prefetch reqs

@stats.record_requirements reqs

reqs
  end

include Gem::Molinillo::UI

def output
    @output ||= debug? ? $stdout : File.open(IO::NULL, "w")
  end

def debug?
    DEBUG_RESOLVER
  end

include Gem::Molinillo::SpecificationProvider

##
  # Proceed with resolution! Returns an array of ActivationRequest objects.

def resolve
    Gem::Molinillo::Resolver.new(self, self).resolve(@needed.map {|d| DependencyRequest.new d, nil }).tsort.filter_map(&:payload)
  rescue Gem::Molinillo::VersionConflict => e
    conflict = e.conflicts.values.first
    raise Gem::DependencyResolutionError, Conflict.new(conflict.requirement_trees.first.first, conflict.existing, conflict.requirement)
  ensure
    @output.close if defined?(@output) && !debug?
  end

##
  # Extracts the specifications that may be able to fulfill +dependency+ and
  # returns those that match the local platform and all those that match.

def find_possible(dependency) # :nodoc:
    all = @set.find_all dependency

if (skip_dep_gems = skip_gems[dependency.name]) && !skip_dep_gems.empty?
      matching = all.select do |api_spec|
        skip_dep_gems.any? {|s| api_spec.version == s.version }
      end

all = matching unless matching.empty?
    end

matching_platform = select_local_platforms all

[matching_platform, all]
  end

##
  # Returns the gems in +specs+ that match the local platform.

def select_local_platforms(specs) # :nodoc:
    specs.select do |spec|
      Gem::Platform.installable? spec
    end
  end

def search_for(dependency)
    possibles, all = find_possible(dependency)
    if !@soft_missing && possibles.empty?
      exc = Gem::UnsatisfiableDependencyError.new dependency, all
      exc.errors = @set.errors
      raise exc
    end

groups = Hash.new {|hash, key| hash[key] = [] }

# create groups & sources in the same loop
    sources = possibles.map do |spec|
      source = spec.source
      groups[source] << spec
      source
    end.uniq.reverse

activation_requests = []

sources.each do |source|
      groups[source].
        sort_by {|spec| [spec.version, spec.platform =~ Gem::Platform.local ? 1 : 0] }. # rubocop:disable Performance/RegexpMatch
        map {|spec| ActivationRequest.new spec, dependency }.
        each {|activation_request| activation_requests << activation_request }
    end

activation_requests
  end

def dependencies_for(specification)
    return [] if @ignore_dependencies
    spec = specification.spec
    requests(spec, specification)
  end

def requirement_satisfied_by?(requirement, activated, spec)
    matches_spec = requirement.matches_spec? spec
    return matches_spec if @soft_missing

matches_spec &&
      spec.spec.required_ruby_version.satisfied_by?(Gem.ruby_version) &&
      spec.spec.required_rubygems_version.satisfied_by?(Gem.rubygems_version)
  end

def name_for(dependency)
    dependency.name
  end

def allow_missing?(dependency)
    @soft_missing
  end

def sort_dependencies(dependencies, activated, conflicts)
    dependencies.sort_by.with_index do |dependency, i|
      name = name_for(dependency)
      [
        activated.vertex_named(name).payload ? 0 : 1,
        amount_constrained(dependency),
        conflicts[name] ? 0 : 1,
        activated.vertex_named(name).payload ? 0 : search_for(dependency).count,
        i, # for stable sort
      ]
    end
  end

SINGLE_POSSIBILITY_CONSTRAINT_PENALTY = 1_000_000
  private_constant :SINGLE_POSSIBILITY_CONSTRAINT_PENALTY if defined?(private_constant)

# returns an integer \in (-\infty, 0]
  # a number closer to 0 means the dependency is less constraining
  #
  # dependencies w/ 0 or 1 possibilities (ignoring version requirements)
  # are given very negative values, so they _always_ sort first,
  # before dependencies that are unconstrained
  def amount_constrained(dependency)
    @amount_constrained ||= {}
    @amount_constrained[dependency.name] ||= begin
      name_dependency = Gem::Dependency.new(dependency.name)
      dependency_request_for_name = Gem::Resolver::DependencyRequest.new(name_dependency, dependency.requester)
      all = @set.find_all(dependency_request_for_name).size

if all <= 1
        all - SINGLE_POSSIBILITY_CONSTRAINT_PENALTY
      else
        search = search_for(dependency).size
        search - all
      end
    end
  end
  private :amount_constrained
end

require_relative "resolver/activation_request"
require_relative "resolver/conflict"
require_relative "resolver/dependency_request"
require_relative "resolver/requirement_list"
require_relative "resolver/stats"

require_relative "resolver/set"
require_relative "resolver/api_set"
require_relative "resolver/composed_set"
require_relative "resolver/best_set"
require_relative "resolver/current_set"
require_relative "resolver/git_set"
require_relative "resolver/index_set"
require_relative "resolver/installer_set"
require_relative "resolver/lock_set"
require_relative "resolver/vendor_set"
require_relative "resolver/source_set"

require_relative "resolver/specification"
require_relative "resolver/spec_specification"
require_relative "resolver/api_specification"
require_relative "resolver/git_specification"
require_relative "resolver/index_specification"
require_relative "resolver/installed_specification"
require_relative "resolver/local_specification"
require_relative "resolver/lock_specification"
require_relative "resolver/vendor_specification"