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ðŸ“ ..
ðŸ“„ available_set.rb(3.01 KB)
ðŸ“„ basic_specification.rb(7.65 KB)
ðŸ“„ bundler_version_finder.rb(1.96 KB)
ðŸ“„ command.rb(16.08 KB)
ðŸ“„ command_manager.rb(5.59 KB)
ðŸ“ commands
ðŸ“„ compatibility.rb(1 KB)
ðŸ“„ config_file.rb(14.03 KB)
ðŸ“ core_ext
ðŸ“ defaults
ðŸ“„ defaults.rb(6.96 KB)
ðŸ“„ dependency.rb(8.65 KB)
ðŸ“„ dependency_installer.rb(10.02 KB)
ðŸ“„ dependency_list.rb(5.54 KB)
ðŸ“„ deprecate.rb(4.89 KB)
ðŸ“„ doctor.rb(3.13 KB)
ðŸ“„ errors.rb(4.53 KB)
ðŸ“„ exceptions.rb(7.34 KB)
ðŸ“ ext
ðŸ“„ ext.rb(498 B)
ðŸ“„ gem_runner.rb(1.8 KB)
ðŸ“ gemcutter_utilities
ðŸ“„ gemcutter_utilities.rb(10.54 KB)
ðŸ“„ indexer.rb(10.91 KB)
ðŸ“„ install_default_message.rb(349 B)
ðŸ“„ install_message.rb(323 B)
ðŸ“„ install_update_options.rb(6.35 KB)
ðŸ“„ installer.rb(27.23 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(17.7 KB)
ðŸ“„ package_task.rb(3.79 KB)
ðŸ“„ path_support.rb(1.79 KB)
ðŸ“„ platform.rb(7.48 KB)
ðŸ“„ psych_tree.rb(795 B)
ðŸ“„ query_utils.rb(8.5 KB)
ðŸ“„ rdoc.rb(232 B)
ðŸ“„ remote_fetcher.rb(9.2 KB)
ðŸ“ request
ðŸ“„ request.rb(8.6 KB)
ðŸ“ request_set
ðŸ“„ request_set.rb(11.31 KB)
ðŸ“„ requirement.rb(6.89 KB)
ðŸ“ resolver
ðŸ“„ resolver.rb(9.64 KB)
ðŸ“„ s3_uri_signer.rb(5.92 KB)
ðŸ“„ safe_yaml.rb(1.54 KB)
ðŸ“ security
ðŸ“„ security.rb(21.95 KB)
ðŸ“„ security_option.rb(1.06 KB)
ðŸ“„ shellwords.rb(66 B)
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(70.45 KB)
ðŸ“„ specification_policy.rb(13.79 KB)
ðŸ“ ssl_certs
ðŸ“„ stub_specification.rb(4.46 KB)
ðŸ“„ text.rb(2.07 KB)
ðŸ“ tsort
ðŸ“„ tsort.rb(66 B)
ðŸ“„ uninstaller.rb(10.2 KB)
ðŸ“„ unknown_command_spell_checker.rb(411 B)
ðŸ“„ update_suggestion.rb(2.26 KB)
ðŸ“„ uri.rb(2.33 KB)
ðŸ“„ uri_formatter.rb(781 B)
ðŸ“„ user_interaction.rb(13.04 KB)
ðŸ“ util
ðŸ“„ util.rb(2.41 KB)
ðŸ“„ validator.rb(3.66 KB)
ðŸ“„ version.rb(12.57 KB)
ðŸ“„ version_option.rb(2.21 KB)

Editing: dependency_list.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 "tsort"
require_relative "deprecate"

##
# Gem::DependencyList is used for installing and uninstalling gems in the
# correct order to avoid conflicts.
#--
# TODO: It appears that all but topo-sort functionality is being duplicated
# (or is planned to be duplicated) elsewhere in rubygems.  Is the majority of
# this class necessary anymore?  Especially #ok?, #why_not_ok?

class Gem::DependencyList
  attr_reader :specs

include Enumerable
  include Gem::TSort

##
  # Allows enabling/disabling use of development dependencies

attr_accessor :development

##
  # Creates a DependencyList from the current specs.

def self.from_specs
    list = new
    list.add(*Gem::Specification.to_a)
    list
  end

##
  # Creates a new DependencyList.  If +development+ is true, development
  # dependencies will be included.

def initialize(development = false)
    @specs = []

@development = development
  end

##
  # Adds +gemspecs+ to the dependency list.

def add(*gemspecs)
    @specs.concat gemspecs
  end

def clear
    @specs.clear
  end

##
  # Return a list of the gem specifications in the dependency list, sorted in
  # order so that no gemspec in the list depends on a gemspec earlier in the
  # list.
  #
  # This is useful when removing gems from a set of installed gems.  By
  # removing them in the returned order, you don't get into as many dependency
  # issues.
  #
  # If there are circular dependencies (yuck!), then gems will be returned in
  # order until only the circular dependents and anything they reference are
  # left.  Then arbitrary gemspecs will be returned until the circular
  # dependency is broken, after which gems will be returned in dependency
  # order again.

def dependency_order
    sorted = strongly_connected_components.flatten

result = []
    seen = {}

sorted.each do |spec|
      if index = seen[spec.name]
        if result[index].version < spec.version
          result[index] = spec
        end
      else
        seen[spec.name] = result.length
        result << spec
      end
    end

result.reverse
  end

##
  # Iterator over dependency_order

def each(&block)
    dependency_order.each(&block)
  end

def find_name(full_name)
    @specs.find {|spec| spec.full_name == full_name }
  end

def inspect # :nodoc:
    "%s %p>" % [super[0..-2], map {|s| s.full_name }]
  end

##
  # Are all the dependencies in the list satisfied?

def ok?
    why_not_ok?(:quick).empty?
  end

def why_not_ok?(quick = false)
    unsatisfied = Hash.new {|h,k| h[k] = [] }
    each do |spec|
      spec.runtime_dependencies.each do |dep|
        inst = Gem::Specification.any? do |installed_spec|
          dep.name == installed_spec.name &&
            dep.requirement.satisfied_by?(installed_spec.version)
        end

unless inst || @specs.find {|s| s.satisfies_requirement? dep }
          unsatisfied[spec.name] << dep
          return unsatisfied if quick
        end
      end
    end

unsatisfied
  end

##
  # It is ok to remove a gemspec from the dependency list?
  #
  # If removing the gemspec creates breaks a currently ok dependency, then it
  # is NOT ok to remove the gemspec.

def ok_to_remove?(full_name, check_dev=true)
    gem_to_remove = find_name full_name

# If the state is inconsistent, at least don't crash
    return true unless gem_to_remove

siblings = @specs.find_all do |s|
      s.name == gem_to_remove.name &&
        s.full_name != gem_to_remove.full_name
    end

deps = []

@specs.each do |spec|
      check = check_dev ? spec.dependencies : spec.runtime_dependencies

check.each do |dep|
        deps << dep if gem_to_remove.satisfies_requirement?(dep)
      end
    end

deps.all? do |dep|
      siblings.any? do |s|
        s.satisfies_requirement? dep
      end
    end
  end

##
  # Remove everything in the DependencyList that matches but doesn't
  # satisfy items in +dependencies+ (a hash of gem names to arrays of
  # dependencies).

def remove_specs_unsatisfied_by(dependencies)
    specs.reject! do |spec|
      dep = dependencies[spec.name]
      dep && !dep.requirement.satisfied_by?(spec.version)
    end
  end

##
  # Removes the gemspec matching +full_name+ from the dependency list

def remove_by_name(full_name)
    @specs.delete_if {|spec| spec.full_name == full_name }
  end

##
  # Return a hash of predecessors.  <tt>result[spec]</tt> is an Array of
  # gemspecs that have a dependency satisfied by the named gemspec.

def spec_predecessors
    result = Hash.new {|h,k| h[k] = [] }

specs = @specs.sort.reverse

specs.each do |spec|
      specs.each do |other|
        next if spec == other

other.dependencies.each do |dep|
          if spec.satisfies_requirement? dep
            result[spec] << other
          end
        end
      end
    end

result
  end

def tsort_each_node(&block)
    @specs.each(&block)
  end

def tsort_each_child(node)
    specs = @specs.sort.reverse

dependencies = node.runtime_dependencies
    dependencies.push(*node.development_dependencies) if @development

dependencies.each do |dep|
      specs.each do |spec|
        if spec.satisfies_requirement? dep
          yield spec
          break
        end
      end
    end
  end

private

##
  # Count the number of gemspecs in the list +specs+ that are not in
  # +ignored+.

def active_count(specs, ignored)
    specs.count {|spec| ignored[spec.full_name].nil? }
  end
end

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