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PK ! T"; ;
package.rbnu [ # frozen_string_literal: true
module Bundler
class Resolver
#
# Represents a gem being resolved, in a format PubGrub likes.
#
# The class holds the following information:
#
# * Platforms this gem will be resolved on.
# * The locked version of this gem resolution should favor (if any).
# * Whether the gem should be unlocked to its latest version.
# * The dependency explicit set in the Gemfile for this gem (if any).
#
class Package
attr_reader :name, :platforms, :dependency, :locked_version
def initialize(name, platforms, locked_specs:, unlock:, prerelease: false, prefer_local: false, dependency: nil, new_platforms: [])
@name = name
@platforms = platforms
@locked_version = locked_specs.version_for(name)
@unlock = unlock
@dependency = dependency || Dependency.new(name, @locked_version)
@top_level = !dependency.nil?
@prerelease = @dependency.prerelease? || @locked_version&.prerelease? || prerelease ? :consider_first : :ignore
@prefer_local = prefer_local
@new_platforms = new_platforms
end
def platform_specs(specs)
platforms.map do |platform|
prefer_locked = @new_platforms.include?(platform) ? false : !unlock?
GemHelpers.select_best_platform_match(specs, platform, prefer_locked: prefer_locked)
end
end
def to_s
@name.delete("\0")
end
def root?
false
end
def top_level?
@top_level
end
def meta?
@name.end_with?("\0")
end
def ==(other)
self.class == other.class && @name == other.name
end
def hash
@name.hash
end
def unlock?
@unlock == true || @unlock.include?(name)
end
def ignores_prereleases?
@prerelease == :ignore
end
def prerelease_specified?
@prerelease == :consider_first
end
def consider_prereleases!
@prerelease = :consider_last
end
def prefer_local?
@prefer_local
end
def consider_remote_versions!
@prefer_local = false
end
def force_ruby_platform?
@dependency.force_ruby_platform
end
def current_platform?
@dependency.current_platform?
end
end
end
end
PK !
spec_group.rbnu [ # frozen_string_literal: true
module Bundler
class Resolver
class SpecGroup
attr_reader :specs
def initialize(specs)
@specs = specs
end
def empty?
@specs.empty?
end
def name
@name ||= exemplary_spec.name
end
def version
@version ||= exemplary_spec.version
end
def source
@source ||= exemplary_spec.source
end
def to_specs(force_ruby_platform, most_specific_locked_platform)
@specs.map do |s|
lazy_spec = LazySpecification.from_spec(s)
lazy_spec.force_ruby_platform = force_ruby_platform
lazy_spec.most_specific_locked_platform = most_specific_locked_platform
lazy_spec
end
end
def to_s
sorted_spec_names.join(", ")
end
def dependencies
@dependencies ||= @specs.flat_map(&:expanded_dependencies).uniq.sort
end
def ==(other)
sorted_spec_names == other.sorted_spec_names
end
def merge(other)
return false unless equivalent?(other)
@specs |= other.specs
true
end
protected
def sorted_spec_names
@specs.map(&:full_name).sort
end
private
def equivalent?(other)
name == other.name && version == other.version && source == other.source && dependencies == other.dependencies
end
def exemplary_spec
@specs.first
end
end
end
end
PK ! %( base.rbnu [ # frozen_string_literal: true
require_relative "package"
module Bundler
class Resolver
class Base
attr_reader :packages, :requirements, :source_requirements, :locked_specs
def initialize(source_requirements, dependencies, base, platforms, options)
@source_requirements = source_requirements
@locked_specs = options[:locked_specs]
@base = base
@packages = Hash.new do |hash, name|
hash[name] = Package.new(name, platforms, **options)
end
@requirements = dependencies.filter_map do |dep|
dep_platforms = dep.gem_platforms(platforms)
# Dependencies scoped to external platforms are ignored
next if dep_platforms.empty?
name = dep.name
@packages[name] = Package.new(name, dep_platforms, **options.merge(dependency: dep))
dep
end
end
def [](name)
@base[name]
end
def delete(specs)
@base.delete(specs)
end
def get_package(name)
@packages[name]
end
def base_requirements
@base_requirements ||= build_base_requirements
end
def unlock_names(names)
indirect_pins = indirect_pins(names)
if indirect_pins.any?
loosen_names(indirect_pins)
else
pins = pins(names)
if pins.any?
loosen_names(pins)
else
unrestrict_names(names)
end
end
end
def include_prereleases(names)
names.each do |name|
get_package(name).consider_prereleases!
end
end
def include_remote_specs(names)
names.each do |name|
get_package(name).consider_remote_versions!
end
end
private
def indirect_pins(names)
names.select {|name| @base_requirements[name].exact? && @requirements.none? {|dep| dep.name == name } }
end
def pins(names)
names.select {|name| @base_requirements[name].exact? }
end
def loosen_names(names)
names.each do |name|
version = @base_requirements[name].requirements.first[1]
@base_requirements[name] = Gem::Requirement.new(">= #{version}")
@base.delete_by_name(name)
end
end
def unrestrict_names(names)
names.each do |name|
@base_requirements.delete(name)
end
end
def build_base_requirements
base_requirements = {}
@base.each do |ls|
if ls.source_changed? && ls.source.specs.search(ls.name).empty?
raise GemNotFound, "Could not find gem '#{ls.name}' in #{ls.source}"
end
req = Gem::Requirement.new(ls.version)
base_requirements[ls.name] = req
end
base_requirements
end
end
end
end
PK ! Uߘ root.rbnu [ # frozen_string_literal: true
require_relative "package"
module Bundler
class Resolver
#
# Represents the Gemfile from the resolver's perspective. It's the root
# package and Gemfile entries depend on it.
#
class Root < Package
def initialize(name)
@name = name
end
def meta?
true
end
def root?
true
end
end
end
end
PK ! ) candidate.rbnu [ # frozen_string_literal: true
require_relative "spec_group"
module Bundler
class Resolver
#
# This class is a PubGrub compatible "Version" class that takes Bundler
# resolution complexities into account.
#
# Each Resolver::Candidate has a underlying `Gem::Version` plus a set of
# platforms. For example, 1.1.0-x86_64-linux is a different resolution candidate
# from 1.1.0 (generic). This is because different platform variants of the
# same gem version can bring different dependencies, so they need to be
# considered separately.
#
# Some candidates may also keep some information explicitly about the
# package they refer to. These candidates are referred to as "canonical" and
# are used when materializing resolution results back into RubyGems
# specifications that can be installed, written to lockfiles, and so on.
#
class Candidate
include Comparable
attr_reader :version
def initialize(version, group: nil, priority: -1)
@spec_group = group || SpecGroup.new([])
@version = Gem::Version.new(version)
@priority = priority
end
def dependencies
@spec_group.dependencies
end
def to_specs(package, most_specific_locked_platform)
return [] if package.meta?
@spec_group.to_specs(package.force_ruby_platform?, most_specific_locked_platform)
end
def prerelease?
@version.prerelease?
end
def segments
@version.segments
end
def <=>(other)
return unless other.is_a?(self.class)
version_comparison = version <=> other.version
return version_comparison unless version_comparison.zero?
priority <=> other.priority
end
def ==(other)
return unless other.is_a?(self.class)
version == other.version && priority == other.priority
end
def eql?(other)
return unless other.is_a?(self.class)
version.eql?(other.version) && priority.eql?(other.priority)
end
def hash
[@version, @priority].hash
end
def to_s
@version.to_s
end
protected
attr_reader :priority
end
end
end
PK ! " incompatibility.rbnu [ # frozen_string_literal: true
module Bundler
class Resolver
class Incompatibility < PubGrub::Incompatibility
attr_reader :extended_explanation
def initialize(terms, cause:, custom_explanation: nil, extended_explanation: nil)
@extended_explanation = extended_explanation
super(terms, cause: cause, custom_explanation: custom_explanation)
end
end
end
end
PK ! K# lock_set.rbnu [ # frozen_string_literal: true
##
# A set of gems from a gem dependencies lockfile.
class Gem::Resolver::LockSet < Gem::Resolver::Set
attr_reader :specs # :nodoc:
##
# Creates a new LockSet from the given +sources+
def initialize(sources)
super()
@sources = sources.map do |source|
Gem::Source::Lock.new source
end
@specs = []
end
##
# Creates a new IndexSpecification in this set using the given +name+,
# +version+ and +platform+.
#
# The specification's set will be the current set, and the source will be
# the current set's source.
def add(name, version, platform) # :nodoc:
version = Gem::Version.new version
specs = [
Gem::Resolver::LockSpecification.new(self, name, version, @sources, platform),
]
@specs.concat specs
specs
end
##
# Returns an Array of IndexSpecification objects matching the
# DependencyRequest +req+.
def find_all(req)
@specs.select do |spec|
req.match? spec
end
end
##
# Loads a Gem::Specification with the given +name+, +version+ and
# +platform+. +source+ is ignored.
def load_spec(name, version, platform, source) # :nodoc:
dep = Gem::Dependency.new name, version
found = @specs.find do |spec|
dep.matches_spec? spec and spec.platform == platform
end
tuple = Gem::NameTuple.new found.name, found.version, found.platform
found.source.fetch_spec tuple
end
def pretty_print(q) # :nodoc:
q.group 2, '[LockSet', ']' do
q.breakable
q.text 'source:'
q.breakable
q.pp @source
q.breakable
q.text 'specs:'
q.breakable
q.pp @specs.map {|spec| spec.full_name }
end
end
end
PK ! dependency_request.rbnu [ # frozen_string_literal: true
##
# Used Internally. Wraps a Dependency object to also track which spec
# contained the Dependency.
class Gem::Resolver::DependencyRequest
##
# The wrapped Gem::Dependency
attr_reader :dependency
##
# The request for this dependency.
attr_reader :requester
##
# Creates a new DependencyRequest for +dependency+ from +requester+.
# +requester may be nil if the request came from a user.
def initialize(dependency, requester)
@dependency = dependency
@requester = requester
end
def ==(other) # :nodoc:
case other
when Gem::Dependency
@dependency == other
when Gem::Resolver::DependencyRequest
@dependency == other.dependency
else
false
end
end
##
# Is this dependency a development dependency?
def development?
@dependency.type == :development
end
##
# Does this dependency request match +spec+?
#
# NOTE: #match? only matches prerelease versions when #dependency is a
# prerelease dependency.
def match?(spec, allow_prerelease = false)
@dependency.match? spec, nil, allow_prerelease
end
##
# Does this dependency request match +spec+?
#
# NOTE: #matches_spec? matches prerelease versions. See also #match?
def matches_spec?(spec)
@dependency.matches_spec? spec
end
##
# The name of the gem this dependency request is requesting.
def name
@dependency.name
end
def type
@dependency.type
end
##
# Indicate that the request is for a gem explicitly requested by the user
def explicit?
@requester.nil?
end
##
# Indicate that the request is for a gem requested as a dependency of
# another gem
def implicit?
!explicit?
end
##
# Return a String indicating who caused this request to be added (only
# valid for implicit requests)
def request_context
@requester ? @requester.request : "(unknown)"
end
def pretty_print(q) # :nodoc:
q.group 2, '[Dependency request ', ']' do
q.breakable
q.text @dependency.to_s
q.breakable
q.text ' requested by '
q.pp @requester
end
end
##
# The version requirement for this dependency request
def requirement
@dependency.requirement
end
def to_s # :nodoc:
@dependency.to_s
end
end
PK ! Zɭ% % local_specification.rbnu [ # frozen_string_literal: true
##
# A LocalSpecification comes from a .gem file on the local filesystem.
class Gem::Resolver::LocalSpecification < Gem::Resolver::SpecSpecification
##
# Returns +true+ if this gem is installable for the current platform.
def installable_platform?
return true if @source.kind_of? Gem::Source::SpecificFile
super
end
def local? # :nodoc:
true
end
def pretty_print(q) # :nodoc:
q.group 2, '[LocalSpecification', ']' do
q.breakable
q.text "name: #{name}"
q.breakable
q.text "version: #{version}"
q.breakable
q.text "platform: #{platform}"
q.breakable
q.text 'dependencies:'
q.breakable
q.pp dependencies
q.breakable
q.text "source: #{@source.path}"
end
end
end
PK ! y^&
api_specification.rbnu [ # frozen_string_literal: true
##
# Represents a specification retrieved via the rubygems.org API.
#
# This is used to avoid loading the full Specification object when all we need
# is the name, version, and dependencies.
class Gem::Resolver::APISpecification < Gem::Resolver::Specification
##
# We assume that all instances of this class are immutable;
# so avoid duplicated generation for performance.
@@cache = {}
def self.new(set, api_data)
cache_key = [set, api_data]
cache = @@cache[cache_key]
return cache if cache
@@cache[cache_key] = super
end
##
# Creates an APISpecification for the given +set+ from the rubygems.org
# +api_data+.
#
# See https://guides.rubygems.org/rubygems-org-api/#misc_methods for the
# format of the +api_data+.
def initialize(set, api_data)
super()
@set = set
@name = api_data[:name]
@version = Gem::Version.new(api_data[:number]).freeze
@platform = Gem::Platform.new(api_data[:platform]).freeze
@original_platform = api_data[:platform].freeze
@dependencies = api_data[:dependencies].map do |name, ver|
Gem::Dependency.new(name, ver.split(/\s*,\s*/)).freeze
end.freeze
@required_ruby_version = Gem::Requirement.new(api_data.dig(:requirements, :ruby)).freeze
@required_rubygems_version = Gem::Requirement.new(api_data.dig(:requirements, :rubygems)).freeze
end
def ==(other) # :nodoc:
self.class === other and
@set == other.set and
@name == other.name and
@version == other.version and
@platform == other.platform
end
def hash
@set.hash ^ @name.hash ^ @version.hash ^ @platform.hash
end
def fetch_development_dependencies # :nodoc:
spec = source.fetch_spec Gem::NameTuple.new @name, @version, @platform
@dependencies = spec.dependencies
end
def installable_platform? # :nodoc:
Gem::Platform.match_gem? @platform, @name
end
def pretty_print(q) # :nodoc:
q.group 2, '[APISpecification', ']' do
q.breakable
q.text "name: #{name}"
q.breakable
q.text "version: #{version}"
q.breakable
q.text "platform: #{platform}"
q.breakable
q.text 'dependencies:'
q.breakable
q.pp @dependencies
q.breakable
q.text "set uri: #{@set.dep_uri}"
end
end
##
# Fetches a Gem::Specification for this APISpecification.
def spec # :nodoc:
@spec ||=
begin
tuple = Gem::NameTuple.new @name, @version, @platform
source.fetch_spec tuple
rescue Gem::RemoteFetcher::FetchError
raise if @original_platform == @platform
tuple = Gem::NameTuple.new @name, @version, @original_platform
source.fetch_spec tuple
end
end
def source # :nodoc:
@set.source
end
end
PK ! h:, stats.rbnu [ # frozen_string_literal: true
class Gem::Resolver::Stats
def initialize
@max_depth = 0
@max_requirements = 0
@requirements = 0
@backtracking = 0
@iterations = 0
end
def record_depth(stack)
if stack.size > @max_depth
@max_depth = stack.size
end
end
def record_requirements(reqs)
if reqs.size > @max_requirements
@max_requirements = reqs.size
end
end
def requirement!
@requirements += 1
end
def backtracking!
@backtracking += 1
end
def iteration!
@iterations += 1
end
PATTERN = "%20s: %d\n".freeze
def display
$stdout.puts "=== Resolver Statistics ==="
$stdout.printf PATTERN, "Max Depth", @max_depth
$stdout.printf PATTERN, "Total Requirements", @requirements
$stdout.printf PATTERN, "Max Requirements", @max_requirements
$stdout.printf PATTERN, "Backtracking #", @backtracking
$stdout.printf PATTERN, "Iteration #", @iterations
end
end
PK ! Wk set.rbnu [ # frozen_string_literal: true
##
# Resolver sets are used to look up specifications (and their
# dependencies) used in resolution. This set is abstract.
class Gem::Resolver::Set
##
# Set to true to disable network access for this set
attr_accessor :remote
##
# Errors encountered when resolving gems
attr_accessor :errors
##
# When true, allows matching of requests to prerelease gems.
attr_accessor :prerelease
def initialize # :nodoc:
@prerelease = false
@remote = true
@errors = []
end
##
# The find_all method must be implemented. It returns all Resolver
# Specification objects matching the given DependencyRequest +req+.
def find_all(req)
raise NotImplementedError
end
##
# The #prefetch method may be overridden, but this is not necessary. This
# default implementation does nothing, which is suitable for sets where
# looking up a specification is cheap (such as installed gems).
#
# When overridden, the #prefetch method should look up specifications
# matching +reqs+.
def prefetch(reqs)
end
##
# When true, this set is allowed to access the network when looking up
# specifications or dependencies.
def remote? # :nodoc:
@remote
end
end
PK ! .. . index_specification.rbnu [ # frozen_string_literal: true
##
# Represents a possible Specification object returned from IndexSet. Used to
# delay needed to download full Specification objects when only the +name+
# and +version+ are needed.
class Gem::Resolver::IndexSpecification < Gem::Resolver::Specification
##
# An IndexSpecification is created from the index format described in `gem
# help generate_index`.
#
# The +set+ contains other specifications for this (URL) +source+.
#
# The +name+, +version+ and +platform+ are the name, version and platform of
# the gem.
def initialize(set, name, version, source, platform)
super()
@set = set
@name = name
@version = version
@source = source
@platform = platform.to_s
@spec = nil
end
##
# The dependencies of the gem for this specification
def dependencies
spec.dependencies
end
##
# The required_ruby_version constraint for this specification
#
# A fallback is included because when generated, some marshalled specs have it
# set to +nil+.
def required_ruby_version
spec.required_ruby_version || Gem::Requirement.default
end
##
# The required_rubygems_version constraint for this specification
#
# A fallback is included because the original version of the specification
# API didn't include that field, so some marshalled specs in the index have it
# set to +nil+.
def required_rubygems_version
spec.required_rubygems_version || Gem::Requirement.default
end
def ==(other)
self.class === other &&
@name == other.name &&
@version == other.version &&
@platform == other.platform
end
def hash
@name.hash ^ @version.hash ^ @platform.hash
end
def inspect # :nodoc:
'#<%s %s source %s>' % [self.class, full_name, @source]
end
def pretty_print(q) # :nodoc:
q.group 2, '[Index specification', ']' do
q.breakable
q.text full_name
unless Gem::Platform::RUBY == @platform
q.breakable
q.text @platform.to_s
end
q.breakable
q.text 'source '
q.pp @source
end
end
##
# Fetches a Gem::Specification for this IndexSpecification from the #source.
def spec # :nodoc:
@spec ||=
begin
tuple = Gem::NameTuple.new @name, @version, @platform
@source.fetch_spec tuple
end
end
end
PK ! h index_set.rbnu [ # frozen_string_literal: true
##
# The global rubygems pool represented via the traditional
# source index.
class Gem::Resolver::IndexSet < Gem::Resolver::Set
def initialize(source = nil) # :nodoc:
super()
@f =
if source
sources = Gem::SourceList.from [source]
Gem::SpecFetcher.new sources
else
Gem::SpecFetcher.fetcher
end
@all = Hash.new {|h,k| h[k] = [] }
list, errors = @f.available_specs :complete
@errors.concat errors
list.each do |uri, specs|
specs.each do |n|
@all[n.name] << [uri, n]
end
end
@specs = {}
end
##
# Return an array of IndexSpecification objects matching
# DependencyRequest +req+.
def find_all(req)
res = []
return res unless @remote
name = req.dependency.name
@all[name].each do |uri, n|
if req.match? n, @prerelease
res << Gem::Resolver::IndexSpecification.new(
self, n.name, n.version, uri, n.platform)
end
end
res
end
def pretty_print(q) # :nodoc:
q.group 2, '[IndexSet', ']' do
q.breakable
q.text 'sources:'
q.breakable
q.pp @f.sources
q.breakable
q.text 'specs:'
q.breakable
names = @all.values.map do |tuples|
tuples.map do |_, tuple|
tuple.full_name
end
end.flatten
q.seplist names do |name|
q.text name
end
end
end
end
PK ! iق0 api_set/gem_parser.rbnu [ # frozen_string_literal: true
class Gem::Resolver::APISet::GemParser
def parse(line)
version_and_platform, rest = line.split(" ", 2)
version, platform = version_and_platform.split("-", 2)
dependencies, requirements = rest.split("|", 2).map {|s| s.split(",") } if rest
dependencies = dependencies ? dependencies.map {|d| parse_dependency(d) } : []
requirements = requirements ? requirements.map {|d| parse_dependency(d) } : []
[version, platform, dependencies, requirements]
end
private
def parse_dependency(string)
dependency = string.split(":")
dependency[-1] = dependency[-1].split("&") if dependency.size > 1
dependency
end
end
PK ! WMn activation_request.rbnu [ # frozen_string_literal: true
##
# Specifies a Specification object that should be activated. Also contains a
# dependency that was used to introduce this activation.
class Gem::Resolver::ActivationRequest
##
# The parent request for this activation request.
attr_reader :request
##
# The specification to be activated.
attr_reader :spec
##
# Creates a new ActivationRequest that will activate +spec+. The parent
# +request+ is used to provide diagnostics in case of conflicts.
def initialize(spec, request)
@spec = spec
@request = request
end
def ==(other) # :nodoc:
case other
when Gem::Specification
@spec == other
when Gem::Resolver::ActivationRequest
@spec == other.spec
else
false
end
end
def eql?(other)
self == other
end
def hash
@spec.hash
end
##
# Is this activation request for a development dependency?
def development?
@request.development?
end
##
# Downloads a gem at +path+ and returns the file path.
def download(path)
Gem.ensure_gem_subdirectories path
if @spec.respond_to? :sources
exception = nil
path = @spec.sources.find do |source|
begin
source.download full_spec, path
rescue exception
end
end
return path if path
raise exception if exception
elsif @spec.respond_to? :source
source = @spec.source
source.download full_spec, path
else
source = Gem.sources.first
source.download full_spec, path
end
end
##
# The full name of the specification to be activated.
def full_name
name_tuple.full_name
end
alias_method :to_s, :full_name
##
# The Gem::Specification for this activation request.
def full_spec
Gem::Specification === @spec ? @spec : @spec.spec
end
def inspect # :nodoc:
'#<%s for %p from %s>' % [
self.class, @spec, @request
]
end
##
# True if the requested gem has already been installed.
def installed?
case @spec
when Gem::Resolver::VendorSpecification then
true
else
this_spec = full_spec
Gem::Specification.any? do |s|
s == this_spec
end
end
end
##
# The name of this activation request's specification
def name
@spec.name
end
##
# Return the ActivationRequest that contained the dependency
# that we were activated for.
def parent
@request.requester
end
def pretty_print(q) # :nodoc:
q.group 2, '[Activation request', ']' do
q.breakable
q.pp @spec
q.breakable
q.text ' for '
q.pp @request
end
end
##
# The version of this activation request's specification
def version
@spec.version
end
##
# The platform of this activation request's specification
def platform
@spec.platform
end
private
def name_tuple
@name_tuple ||= Gem::NameTuple.new(name, version, platform)
end
end
PK ! e
replace_failed_api_set e
retry
end
def prefetch(reqs) # :nodoc:
pick_sets if @remote and @sets.empty?
super
end
def pretty_print(q) # :nodoc:
q.group 2, '[BestSet', ']' do
q.breakable
q.text 'sets:'
q.breakable
q.pp @sets
end
end
##
# Replaces a failed APISet for the URI in +error+ with an IndexSet.
#
# If no matching APISet can be found the original +error+ is raised.
#
# The calling method must retry the exception to repeat the lookup.
def replace_failed_api_set(error) # :nodoc:
uri = error.original_uri
uri = URI uri unless URI === uri
uri = uri + "."
raise error unless api_set = @sets.find do |set|
Gem::Resolver::APISet === set and set.dep_uri == uri
end
index_set = Gem::Resolver::IndexSet.new api_set.source
@sets.map! do |set|
next set unless set == api_set
index_set
end
end
end
PK ! & git_specification.rbnu [ # frozen_string_literal: true
##
# A GitSpecification represents a gem that is sourced from a git repository
# and is being loaded through a gem dependencies file through the +git:+
# option.
class Gem::Resolver::GitSpecification < Gem::Resolver::SpecSpecification
def ==(other) # :nodoc:
self.class === other and
@set == other.set and
@spec == other.spec and
@source == other.source
end
def add_dependency(dependency) # :nodoc:
spec.dependencies << dependency
end
##
# Installing a git gem only involves building the extensions and generating
# the executables.
def install(options = {})
require_relative '../installer'
installer = Gem::Installer.for_spec spec, options
yield installer if block_given?
installer.run_pre_install_hooks
installer.build_extensions
installer.run_post_build_hooks
installer.generate_bin
installer.run_post_install_hooks
end
def pretty_print(q) # :nodoc:
q.group 2, '[GitSpecification', ']' do
q.breakable
q.text "name: #{name}"
q.breakable
q.text "version: #{version}"
q.breakable
q.text 'dependencies:'
q.breakable
q.pp dependencies
q.breakable
q.text "source:"
q.breakable
q.pp @source
end
end
end
PK ! 5Y Y
api_set.rbnu [ # frozen_string_literal: true
##
# The global rubygems pool, available via the rubygems.org API.
# Returns instances of APISpecification.
class Gem::Resolver::APISet < Gem::Resolver::Set
autoload :GemParser, File.expand_path("api_set/gem_parser", __dir__)
##
# The URI for the dependency API this APISet uses.
attr_reader :dep_uri # :nodoc:
##
# The Gem::Source that gems are fetched from
attr_reader :source
##
# The corresponding place to fetch gems.
attr_reader :uri
##
# Creates a new APISet that will retrieve gems from +uri+ using the RubyGems
# API URL +dep_uri+ which is described at
# https://guides.rubygems.org/rubygems-org-api
def initialize(dep_uri = 'https://index.rubygems.org/info/')
super()
dep_uri = URI dep_uri unless URI === dep_uri
@dep_uri = dep_uri
@uri = dep_uri + '..'
@data = Hash.new {|h,k| h[k] = [] }
@source = Gem::Source.new @uri
@to_fetch = []
end
##
# Return an array of APISpecification objects matching
# DependencyRequest +req+.
def find_all(req)
res = []
return res unless @remote
if @to_fetch.include?(req.name)
prefetch_now
end
versions(req.name).each do |ver|
if req.dependency.match? req.name, ver[:number], @prerelease
res << Gem::Resolver::APISpecification.new(self, ver)
end
end
res
end
##
# A hint run by the resolver to allow the Set to fetch
# data for DependencyRequests +reqs+.
def prefetch(reqs)
return unless @remote
names = reqs.map {|r| r.dependency.name }
needed = names - @data.keys - @to_fetch
@to_fetch += needed
end
def prefetch_now # :nodoc:
needed, @to_fetch = @to_fetch, []
needed.sort.each do |name|
versions(name)
end
end
def pretty_print(q) # :nodoc:
q.group 2, '[APISet', ']' do
q.breakable
q.text "URI: #{@dep_uri}"
q.breakable
q.text 'gem names:'
q.pp @data.keys
end
end
##
# Return data for all versions of the gem +name+.
def versions(name) # :nodoc:
if @data.key?(name)
return @data[name]
end
uri = @dep_uri + name
str = Gem::RemoteFetcher.fetcher.fetch_path uri
lines(str).each do |ver|
number, platform, dependencies, requirements = parse_gem(ver)
platform ||= "ruby"
dependencies = dependencies.map {|dep_name, reqs| [dep_name, reqs.join(", ")] }
requirements = requirements.map {|req_name, reqs| [req_name.to_sym, reqs] }.to_h
@data[name] << { name: name, number: number, platform: platform, dependencies: dependencies, requirements: requirements }
end
@data[name]
end
private
def lines(str)
lines = str.split("\n")
header = lines.index("---")
header ? lines[header + 1..-1] : lines
end
def parse_gem(string)
@gem_parser ||= GemParser.new
@gem_parser.parse(string)
end
end
PK ! ]
source_set.rbnu [ ##
# The SourceSet chooses the best available method to query a remote index.
#
# Kind off like BestSet but filters the sources for gems
class Gem::Resolver::SourceSet < Gem::Resolver::Set
##
# Creates a SourceSet for the given +sources+ or Gem::sources if none are
# specified. +sources+ must be a Gem::SourceList.
def initialize
super()
@links = {}
@sets = {}
end
def find_all(req) # :nodoc:
if set = get_set(req.dependency.name)
set.find_all req
else
[]
end
end
# potentially no-op
def prefetch(reqs) # :nodoc:
reqs.each do |req|
if set = get_set(req.dependency.name)
set.prefetch reqs
end
end
end
def add_source_gem(name, source)
@links[name] = source
end
private
def get_set(name)
link = @links[name]
@sets[link] ||= Gem::Source.new(link).dependency_resolver_set if link
end
end
PK ! ``C C vendor_specification.rbnu [ # frozen_string_literal: true
##
# A VendorSpecification represents a gem that has been unpacked into a project
# and is being loaded through a gem dependencies file through the +path:+
# option.
class Gem::Resolver::VendorSpecification < Gem::Resolver::SpecSpecification
def ==(other) # :nodoc:
self.class === other and
@set == other.set and
@spec == other.spec and
@source == other.source
end
##
# This is a null install as this gem was unpacked into a directory.
# +options+ are ignored.
def install(options = {})
yield nil
end
end
PK ! sPW W requirement_list.rbnu [ # frozen_string_literal: true
##
# The RequirementList is used to hold the requirements being considered
# while resolving a set of gems.
#
# The RequirementList acts like a queue where the oldest items are removed
# first.
class Gem::Resolver::RequirementList
include Enumerable
##
# Creates a new RequirementList.
def initialize
@exact = []
@list = []
end
def initialize_copy(other) # :nodoc:
@exact = @exact.dup
@list = @list.dup
end
##
# Adds Resolver::DependencyRequest +req+ to this requirements list.
def add(req)
if req.requirement.exact?
@exact.push req
else
@list.push req
end
req
end
##
# Enumerates requirements in the list
def each # :nodoc:
return enum_for __method__ unless block_given?
@exact.each do |requirement|
yield requirement
end
@list.each do |requirement|
yield requirement
end
end
##
# How many elements are in the list
def size
@exact.size + @list.size
end
##
# Is the list empty?
def empty?
@exact.empty? && @list.empty?
end
##
# Remove the oldest DependencyRequest from the list.
def remove
return @exact.shift unless @exact.empty?
@list.shift
end
##
# Returns the oldest five entries from the list.
def next5
x = @exact[0,5]
x + @list[0,5 - x.size]
end
end
PK ! ?UԦ
vendor_set.rbnu [ # frozen_string_literal: true
##
# A VendorSet represents gems that have been unpacked into a specific
# directory that contains a gemspec.
#
# This is used for gem dependency file support.
#
# Example:
#
# set = Gem::Resolver::VendorSet.new
#
# set.add_vendor_gem 'rake', 'vendor/rake'
#
# The directory vendor/rake must contain an unpacked rake gem along with a
# rake.gemspec (watching the given name).
class Gem::Resolver::VendorSet < Gem::Resolver::Set
##
# The specifications for this set.
attr_reader :specs # :nodoc:
def initialize # :nodoc:
super()
@directories = {}
@specs = {}
end
##
# Adds a specification to the set with the given +name+ which has been
# unpacked into the given +directory+.
def add_vendor_gem(name, directory) # :nodoc:
gemspec = File.join directory, "#{name}.gemspec"
spec = Gem::Specification.load gemspec
raise Gem::GemNotFoundException,
"unable to find #{gemspec} for gem #{name}" unless spec
spec.full_gem_path = File.expand_path directory
@specs[spec.name] = spec
@directories[spec] = directory
spec
end
##
# Returns an Array of VendorSpecification objects matching the
# DependencyRequest +req+.
def find_all(req)
@specs.values.select do |spec|
req.match? spec
end.map do |spec|
source = Gem::Source::Vendor.new @directories[spec]
Gem::Resolver::VendorSpecification.new self, spec, source
end
end
##
# Loads a spec with the given +name+. +version+, +platform+ and +source+ are
# ignored.
def load_spec(name, version, platform, source) # :nodoc:
@specs.fetch name
end
def pretty_print(q) # :nodoc:
q.group 2, '[VendorSet', ']' do
next if @directories.empty?
q.breakable
dirs = @directories.map do |spec, directory|
"#{spec.full_name}: #{directory}"
end
q.seplist dirs do |dir|
q.text dir
end
end
end
end
PK ! h
specification.rbnu [ # frozen_string_literal: true
##
# A Resolver::Specification contains a subset of the information
# contained in a Gem::Specification. Only the information necessary for
# dependency resolution in the resolver is included.
class Gem::Resolver::Specification
##
# The dependencies of the gem for this specification
attr_reader :dependencies
##
# The name of the gem for this specification
attr_reader :name
##
# The platform this gem works on.
attr_reader :platform
##
# The set this specification came from.
attr_reader :set
##
# The source for this specification
attr_reader :source
##
# The Gem::Specification for this Resolver::Specification.
#
# Implementers, note that #install updates @spec, so be sure to cache the
# Gem::Specification in @spec when overriding.
attr_reader :spec
##
# The version of the gem for this specification.
attr_reader :version
##
# The required_ruby_version constraint for this specification.
attr_reader :required_ruby_version
##
# The required_ruby_version constraint for this specification.
attr_reader :required_rubygems_version
##
# Sets default instance variables for the specification.
def initialize
@dependencies = nil
@name = nil
@platform = nil
@set = nil
@source = nil
@version = nil
@required_ruby_version = Gem::Requirement.default
@required_rubygems_version = Gem::Requirement.default
end
##
# Fetches development dependencies if the source does not provide them by
# default (see APISpecification).
def fetch_development_dependencies # :nodoc:
end
##
# The name and version of the specification.
#
# Unlike Gem::Specification#full_name, the platform is not included.
def full_name
"#{@name}-#{@version}"
end
##
# Installs this specification using the Gem::Installer +options+. The
# install method yields a Gem::Installer instance, which indicates the
# gem will be installed, or +nil+, which indicates the gem is already
# installed.
#
# After installation #spec is updated to point to the just-installed
# specification.
def install(options = {})
require_relative '../installer'
gem = download options
installer = Gem::Installer.at gem, options
yield installer if block_given?
@spec = installer.install
end
def download(options)
dir = options[:install_dir] || Gem.dir
Gem.ensure_gem_subdirectories dir
source.download spec, dir
end
##
# Returns true if this specification is installable on this platform.
def installable_platform?
Gem::Platform.match_spec? spec
end
def local? # :nodoc:
false
end
end
PK ! U U spec_specification.rbnu [ # frozen_string_literal: true
##
# The Resolver::SpecSpecification contains common functionality for
# Resolver specifications that are backed by a Gem::Specification.
class Gem::Resolver::SpecSpecification < Gem::Resolver::Specification
##
# A SpecSpecification is created for a +set+ for a Gem::Specification in
# +spec+. The +source+ is either where the +spec+ came from, or should be
# loaded from.
def initialize(set, spec, source = nil)
@set = set
@source = source
@spec = spec
end
##
# The dependencies of the gem for this specification
def dependencies
spec.dependencies
end
##
# The required_ruby_version constraint for this specification
def required_ruby_version
spec.required_ruby_version
end
##
# The required_rubygems_version constraint for this specification
def required_rubygems_version
spec.required_rubygems_version
end
##
# The name and version of the specification.
#
# Unlike Gem::Specification#full_name, the platform is not included.
def full_name
"#{spec.name}-#{spec.version}"
end
##
# The name of the gem for this specification
def name
spec.name
end
##
# The platform this gem works on.
def platform
spec.platform
end
##
# The version of the gem for this specification.
def version
spec.version
end
end
PK ! installed_specification.rbnu [ # frozen_string_literal: true
##
# An InstalledSpecification represents a gem that is already installed
# locally.
class Gem::Resolver::InstalledSpecification < Gem::Resolver::SpecSpecification
def ==(other) # :nodoc:
self.class === other and
@set == other.set and
@spec == other.spec
end
##
# This is a null install as this specification is already installed.
# +options+ are ignored.
def install(options = {})
yield nil
end
##
# Returns +true+ if this gem is installable for the current platform.
def installable_platform?
# BACKCOMPAT If the file is coming out of a specified file, then we
# ignore the platform. This code can be removed in RG 3.0.
return true if @source.kind_of? Gem::Source::SpecificFile
super
end
def pretty_print(q) # :nodoc:
q.group 2, '[InstalledSpecification', ']' do
q.breakable
q.text "name: #{name}"
q.breakable
q.text "version: #{version}"
q.breakable
q.text "platform: #{platform}"
q.breakable
q.text 'dependencies:'
q.breakable
q.pp spec.dependencies
end
end
##
# The source for this specification
def source
@source ||= Gem::Source::Installed.new
end
end
PK ! C㡬 installer_set.rbnu [ # frozen_string_literal: true
##
# A set of gems for installation sourced from remote sources and local .gem
# files
class Gem::Resolver::InstallerSet < Gem::Resolver::Set
##
# List of Gem::Specification objects that must always be installed.
attr_reader :always_install # :nodoc:
##
# Only install gems in the always_install list
attr_accessor :ignore_dependencies # :nodoc:
##
# Do not look in the installed set when finding specifications. This is
# used by the --install-dir option to `gem install`
attr_accessor :ignore_installed # :nodoc:
##
# The remote_set looks up remote gems for installation.
attr_reader :remote_set # :nodoc:
##
# Ignore ruby & rubygems specification constraints.
#
attr_accessor :force # :nodoc:
##
# Creates a new InstallerSet that will look for gems in +domain+.
def initialize(domain)
super()
@domain = domain
@f = Gem::SpecFetcher.fetcher
@always_install = []
@ignore_dependencies = false
@ignore_installed = false
@local = {}
@local_source = Gem::Source::Local.new
@remote_set = Gem::Resolver::BestSet.new
@force = false
@specs = {}
end
##
# Looks up the latest specification for +dependency+ and adds it to the
# always_install list.
def add_always_install(dependency)
request = Gem::Resolver::DependencyRequest.new dependency, nil
found = find_all request
found.delete_if do |s|
s.version.prerelease? and not s.local?
end unless dependency.prerelease?
found = found.select do |s|
Gem::Source::SpecificFile === s.source or
Gem::Platform::RUBY == s.platform or
Gem::Platform.local === s.platform
end
found = found.sort_by do |s|
[s.version, s.platform == Gem::Platform::RUBY ? -1 : 1]
end
newest = found.last
unless @force
found_matching_metadata = found.reverse.find do |spec|
metadata_satisfied?(spec)
end
if found_matching_metadata.nil?
if newest
ensure_required_ruby_version_met(newest.spec)
ensure_required_rubygems_version_met(newest.spec)
else
exc = Gem::UnsatisfiableDependencyError.new request
exc.errors = errors
raise exc
end
else
newest = found_matching_metadata
end
end
@always_install << newest.spec
end
##
# Adds a local gem requested using +dep_name+ with the given +spec+ that can
# be loaded and installed using the +source+.
def add_local(dep_name, spec, source)
@local[dep_name] = [spec, source]
end
##
# Should local gems should be considered?
def consider_local? # :nodoc:
@domain == :both or @domain == :local
end
##
# Should remote gems should be considered?
def consider_remote? # :nodoc:
@domain == :both or @domain == :remote
end
##
# Errors encountered while resolving gems
def errors
@errors + @remote_set.errors
end
##
# Returns an array of IndexSpecification objects matching DependencyRequest
# +req+.
def find_all(req)
res = []
dep = req.dependency
return res if @ignore_dependencies and
@always_install.none? {|spec| dep.match? spec }
name = dep.name
dep.matching_specs.each do |gemspec|
next if @always_install.any? {|spec| spec.name == gemspec.name }
res << Gem::Resolver::InstalledSpecification.new(self, gemspec)
end unless @ignore_installed
if consider_local?
matching_local = @local.values.select do |spec, _|
req.match? spec
end.map do |spec, source|
Gem::Resolver::LocalSpecification.new self, spec, source
end
res.concat matching_local
begin
if local_spec = @local_source.find_gem(name, dep.requirement)
res << Gem::Resolver::IndexSpecification.new(
self, local_spec.name, local_spec.version,
@local_source, local_spec.platform)
end
rescue Gem::Package::FormatError
# ignore
end
end
res.delete_if do |spec|
spec.version.prerelease? and not dep.prerelease?
end
res.concat @remote_set.find_all req if consider_remote?
res
end
def prefetch(reqs)
@remote_set.prefetch(reqs) if consider_remote?
end
def prerelease=(allow_prerelease)
super
@remote_set.prerelease = allow_prerelease
end
def inspect # :nodoc:
always_install = @always_install.map {|s| s.full_name }
'#<%s domain: %s specs: %p always install: %p>' % [
self.class, @domain, @specs.keys, always_install
]
end
##
# Called from IndexSpecification to get a true Specification
# object.
def load_spec(name, ver, platform, source) # :nodoc:
key = "#{name}-#{ver}-#{platform}"
@specs.fetch key do
tuple = Gem::NameTuple.new name, ver, platform
@specs[key] = source.fetch_spec tuple
end
end
##
# Has a local gem for +dep_name+ been added to this set?
def local?(dep_name) # :nodoc:
spec, _ = @local[dep_name]
spec
end
def pretty_print(q) # :nodoc:
q.group 2, '[InstallerSet', ']' do
q.breakable
q.text "domain: #{@domain}"
q.breakable
q.text 'specs: '
q.pp @specs.keys
q.breakable
q.text 'always install: '
q.pp @always_install
end
end
def remote=(remote) # :nodoc:
case @domain
when :local then
@domain = :both if remote
when :remote then
@domain = nil unless remote
when :both then
@domain = :local unless remote
end
end
private
def metadata_satisfied?(spec)
spec.required_ruby_version.satisfied_by?(Gem.ruby_version) &&
spec.required_rubygems_version.satisfied_by?(Gem.rubygems_version)
end
def ensure_required_ruby_version_met(spec) # :nodoc:
if rrv = spec.required_ruby_version
ruby_version = Gem.ruby_version
unless rrv.satisfied_by? ruby_version
raise Gem::RuntimeRequirementNotMetError,
"#{spec.full_name} requires Ruby version #{rrv}. The current ruby version is #{ruby_version}."
end
end
end
def ensure_required_rubygems_version_met(spec) # :nodoc:
if rrgv = spec.required_rubygems_version
unless rrgv.satisfied_by? Gem.rubygems_version
rg_version = Gem::VERSION
raise Gem::RuntimeRequirementNotMetError,
"#{spec.full_name} requires RubyGems version #{rrgv}. The current RubyGems version is #{rg_version}. " +
"Try 'gem update --system' to update RubyGems itself."
end
end
end
end
PK ! ~, conflict.rbnu [ # frozen_string_literal: true
##
# Used internally to indicate that a dependency conflicted
# with a spec that would be activated.
class Gem::Resolver::Conflict
##
# The specification that was activated prior to the conflict
attr_reader :activated
##
# The dependency that is in conflict with the activated gem.
attr_reader :dependency
attr_reader :failed_dep # :nodoc:
##
# Creates a new resolver conflict when +dependency+ is in conflict with an
# already +activated+ specification.
def initialize(dependency, activated, failed_dep=dependency)
@dependency = dependency
@activated = activated
@failed_dep = failed_dep
end
def ==(other) # :nodoc:
self.class === other and
@dependency == other.dependency and
@activated == other.activated and
@failed_dep == other.failed_dep
end
##
# A string explanation of the conflict.
def explain
""
end
##
# Return the 2 dependency objects that conflicted
def conflicting_dependencies
[@failed_dep.dependency, @activated.request.dependency]
end
##
# Explanation of the conflict used by exceptions to print useful messages
def explanation
activated = @activated.spec.full_name
dependency = @failed_dep.dependency
requirement = dependency.requirement
alternates = dependency.matching_specs.map {|spec| spec.full_name }
unless alternates.empty?
matching = <<-MATCHING.chomp
Gems matching %s:
%s
MATCHING
matching = matching % [
dependency,
alternates.join(', '),
]
end
explanation = <<-EXPLANATION
Activated %s
which does not match conflicting dependency (%s)
Conflicting dependency chains:
%s
versus:
%s
%s
EXPLANATION
explanation % [
activated, requirement,
request_path(@activated).reverse.join(", depends on\n "),
request_path(@failed_dep).reverse.join(", depends on\n "),
matching
]
end
##
# Returns true if the conflicting dependency's name matches +spec+.
def for_spec?(spec)
@dependency.name == spec.name
end
def pretty_print(q) # :nodoc:
q.group 2, '[Dependency conflict: ', ']' do
q.breakable
q.text 'activated '
q.pp @activated
q.breakable
q.text ' dependency '
q.pp @dependency
q.breakable
if @dependency == @failed_dep
q.text ' failed'
else
q.text ' failed dependency '
q.pp @failed_dep
end
end
end
##
# Path of activations from the +current+ list.
def request_path(current)
path = []
while current do
case current
when Gem::Resolver::ActivationRequest then
path <<
"#{current.request.dependency}, #{current.spec.version} activated"
current = current.parent
when Gem::Resolver::DependencyRequest then
path << "#{current.dependency}"
current = current.requester
else
raise Gem::Exception, "[BUG] unknown request class #{current.class}"
end
end
path = ['user request (gem command or Gemfile)'] if path.empty?
path
end
##
# Return the Specification that listed the dependency
def requester
@failed_dep.requester
end
end
PK ! 8sL current_set.rbnu [ # frozen_string_literal: true
##
# A set which represents the installed gems. Respects
# all the normal settings that control where to look
# for installed gems.
class Gem::Resolver::CurrentSet < Gem::Resolver::Set
def find_all(req)
req.dependency.matching_specs
end
end
PK ! [ӭ1 1 strategy.rbnu [ # frozen_string_literal: true
module Bundler
class Resolver
class Strategy
def initialize(source)
@source = source
end
def next_package_and_version(unsatisfied)
package, range = next_term_to_try_from(unsatisfied)
[package, most_preferred_version_of(package, range).first]
end
private
def next_term_to_try_from(unsatisfied)
unsatisfied.min_by do |package, range|
matching_versions = @source.versions_for(package, range)
higher_versions = @source.versions_for(package, range.upper_invert)
[matching_versions.count <= 1 ? 0 : 1, higher_versions.count]
end
end
def most_preferred_version_of(package, range)
versions = @source.versions_for(package, range)
# Conditional avoids (among other things) calling
# sort_versions_by_preferred with the root package
if versions.size > 1
@source.sort_versions_by_preferred(package, versions)
else
versions
end
end
end
end
end
PK ! L$ I I molinillo.rbnu [ # frozen_string_literal: true
require_relative 'molinillo/lib/molinillo'
PK ! b)
e e molinillo/lib/molinillo.rbnu [ # frozen_string_literal: true
require_relative 'molinillo/gem_metadata'
require_relative 'molinillo/errors'
require_relative 'molinillo/resolver'
require_relative 'molinillo/modules/ui'
require_relative 'molinillo/modules/specification_provider'
# Gem::Resolver::Molinillo is a generic dependency resolution algorithm.
module Gem::Resolver::Molinillo
end
PK ! Ƌ ' molinillo/lib/molinillo/gem_metadata.rbnu [ # frozen_string_literal: true
module Gem::Resolver::Molinillo
# The version of Gem::Resolver::Molinillo.
VERSION = '0.7.0'.freeze
end
PK !
є ! molinillo/lib/molinillo/errors.rbnu [ # frozen_string_literal: true
module Gem::Resolver::Molinillo
# An error that occurred during the resolution process
class ResolverError < StandardError; end
# An error caused by searching for a dependency that is completely unknown,
# i.e. has no versions available whatsoever.
class NoSuchDependencyError < ResolverError
# @return [Object] the dependency that could not be found
attr_accessor :dependency
# @return [Array