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-rw-r--r--lib/bundler/rubygems_integration.rb862
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diff --git a/lib/bundler/rubygems_integration.rb b/lib/bundler/rubygems_integration.rb
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+# frozen_string_literal: true
+require "monitor"
+require "rubygems"
+require "rubygems/config_file"
+
+module Bundler
+ class RubygemsIntegration
+ if defined?(Gem::Ext::Builder::CHDIR_MONITOR)
+ EXT_LOCK = Gem::Ext::Builder::CHDIR_MONITOR
+ else
+ EXT_LOCK = Monitor.new
+ end
+
+ def self.version
+ @version ||= Gem::Version.new(Gem::VERSION)
+ end
+
+ def self.provides?(req_str)
+ Gem::Requirement.new(req_str).satisfied_by?(version)
+ end
+
+ def initialize
+ @replaced_methods = {}
+ end
+
+ def version
+ self.class.version
+ end
+
+ def provides?(req_str)
+ self.class.provides?(req_str)
+ end
+
+ def build_args
+ Gem::Command.build_args
+ end
+
+ def build_args=(args)
+ Gem::Command.build_args = args
+ end
+
+ def load_path_insert_index
+ Gem.load_path_insert_index
+ end
+
+ def loaded_specs(name)
+ Gem.loaded_specs[name]
+ end
+
+ def mark_loaded(spec)
+ if spec.respond_to?(:activated=)
+ current = Gem.loaded_specs[spec.name]
+ current.activated = false if current
+ spec.activated = true
+ end
+ Gem.loaded_specs[spec.name] = spec
+ end
+
+ def validate(spec)
+ Bundler.ui.silence { spec.validate(false) }
+ rescue Gem::InvalidSpecificationException => e
+ error_message = "The gemspec at #{spec.loaded_from} is not valid. Please fix this gemspec.\n" \
+ "The validation error was '#{e.message}'\n"
+ raise Gem::InvalidSpecificationException.new(error_message)
+ rescue Errno::ENOENT
+ nil
+ end
+
+ def set_installed_by_version(spec, installed_by_version = Gem::VERSION)
+ return unless spec.respond_to?(:installed_by_version=)
+ spec.installed_by_version = Gem::Version.create(installed_by_version)
+ end
+
+ def spec_missing_extensions?(spec, default = true)
+ return spec.missing_extensions? if spec.respond_to?(:missing_extensions?)
+
+ return false if spec_default_gem?(spec)
+ return false if spec.extensions.empty?
+
+ default
+ end
+
+ def spec_default_gem?(spec)
+ spec.respond_to?(:default_gem?) && spec.default_gem?
+ end
+
+ def stub_set_spec(stub, spec)
+ stub.instance_variable_set(:@spec, spec)
+ end
+
+ def path(obj)
+ obj.to_s
+ end
+
+ def platforms
+ return [Gem::Platform::RUBY] if Bundler.settings[:force_ruby_platform]
+ Gem.platforms
+ end
+
+ def configuration
+ require "bundler/psyched_yaml"
+ Gem.configuration
+ rescue Gem::SystemExitException, LoadError => e
+ Bundler.ui.error "#{e.class}: #{e.message}"
+ Bundler.ui.trace e
+ raise
+ rescue YamlLibrarySyntaxError => e
+ raise YamlSyntaxError.new(e, "Your RubyGems configuration, which is " \
+ "usually located in ~/.gemrc, contains invalid YAML syntax.")
+ end
+
+ def ruby_engine
+ Gem.ruby_engine
+ end
+
+ def read_binary(path)
+ Gem.read_binary(path)
+ end
+
+ def inflate(obj)
+ Gem.inflate(obj)
+ end
+
+ def sources=(val)
+ # Gem.configuration creates a new Gem::ConfigFile, which by default will read ~/.gemrc
+ # If that file exists, its settings (including sources) will overwrite the values we
+ # are about to set here. In order to avoid that, we force memoizing the config file now.
+ configuration
+
+ Gem.sources = val
+ end
+
+ def sources
+ Gem.sources
+ end
+
+ def gem_dir
+ Gem.dir
+ end
+
+ def gem_bindir
+ Gem.bindir
+ end
+
+ def user_home
+ Gem.user_home
+ end
+
+ def gem_path
+ Gem.path
+ end
+
+ def reset
+ Gem::Specification.reset
+ end
+
+ def post_reset_hooks
+ Gem.post_reset_hooks
+ end
+
+ def gem_cache
+ gem_path.map {|p| File.expand_path("cache", p) }
+ end
+
+ def spec_cache_dirs
+ @spec_cache_dirs ||= begin
+ dirs = gem_path.map {|dir| File.join(dir, "specifications") }
+ dirs << Gem.spec_cache_dir if Gem.respond_to?(:spec_cache_dir) # Not in Rubygems 2.0.3 or earlier
+ dirs.uniq.select {|dir| File.directory? dir }
+ end
+ end
+
+ def marshal_spec_dir
+ Gem::MARSHAL_SPEC_DIR
+ end
+
+ def config_map
+ Gem::ConfigMap
+ end
+
+ def repository_subdirectories
+ %w(cache doc gems specifications)
+ end
+
+ def clear_paths
+ Gem.clear_paths
+ end
+
+ def bin_path(gem, bin, ver)
+ Gem.bin_path(gem, bin, ver)
+ end
+
+ def preserve_paths
+ # this is a no-op outside of Rubygems 1.8
+ yield
+ end
+
+ def loaded_gem_paths
+ # RubyGems 2.2+ can put binary extension into dedicated folders,
+ # therefore use RubyGems facilities to obtain their load paths.
+ if Gem::Specification.method_defined? :full_require_paths
+ loaded_gem_paths = Gem.loaded_specs.map {|_, s| s.full_require_paths }
+ loaded_gem_paths.flatten
+ else
+ $LOAD_PATH.select do |p|
+ Bundler.rubygems.gem_path.any? {|gp| p =~ /^#{Regexp.escape(gp)}/ }
+ end
+ end
+ end
+
+ def load_plugins
+ Gem.load_plugins if Gem.respond_to?(:load_plugins)
+ end
+
+ def ui=(obj)
+ Gem::DefaultUserInteraction.ui = obj
+ end
+
+ def ext_lock
+ EXT_LOCK
+ end
+
+ def fetch_specs(all, pre, &blk)
+ require "rubygems/spec_fetcher"
+ specs = Gem::SpecFetcher.new.list(all, pre)
+ specs.each { yield } if block_given?
+ specs
+ end
+
+ def fetch_prerelease_specs
+ fetch_specs(false, true)
+ rescue Gem::RemoteFetcher::FetchError
+ {} # if we can't download them, there aren't any
+ end
+
+ # TODO: This is for older versions of Rubygems... should we support the
+ # X-Gemfile-Source header on these old versions?
+ # Maybe the newer implementation will work on older Rubygems?
+ # It seems difficult to keep this implementation and still send the header.
+ def fetch_all_remote_specs(remote)
+ old_sources = Bundler.rubygems.sources
+ Bundler.rubygems.sources = [remote.uri.to_s]
+ # Fetch all specs, minus prerelease specs
+ spec_list = fetch_specs(true, false)
+ # Then fetch the prerelease specs
+ fetch_prerelease_specs.each {|k, v| spec_list[k].concat(v) }
+
+ spec_list.values.first
+ ensure
+ Bundler.rubygems.sources = old_sources
+ end
+
+ def with_build_args(args)
+ ext_lock.synchronize do
+ old_args = build_args
+ begin
+ self.build_args = args
+ yield
+ ensure
+ self.build_args = old_args
+ end
+ end
+ end
+
+ def install_with_build_args(args)
+ with_build_args(args) { yield }
+ end
+
+ def gem_from_path(path, policy = nil)
+ require "rubygems/format"
+ Gem::Format.from_file_by_path(path, policy)
+ end
+
+ def spec_from_gem(path, policy = nil)
+ require "rubygems/security"
+ gem_from_path(path, security_policies[policy]).spec
+ rescue Gem::Package::FormatError
+ raise GemspecError, "Could not read gem at #{path}. It may be corrupted."
+ rescue Exception, Gem::Exception, Gem::Security::Exception => e
+ if e.is_a?(Gem::Security::Exception) ||
+ e.message =~ /unknown trust policy|unsigned gem/i ||
+ e.message =~ /couldn't verify (meta)?data signature/i
+ raise SecurityError,
+ "The gem #{File.basename(path, ".gem")} can't be installed because " \
+ "the security policy didn't allow it, with the message: #{e.message}"
+ else
+ raise e
+ end
+ end
+
+ def build(spec, skip_validation = false)
+ require "rubygems/builder"
+ Gem::Builder.new(spec).build
+ end
+
+ def build_gem(gem_dir, spec)
+ build(spec)
+ end
+
+ def download_gem(spec, uri, path)
+ uri = Bundler.settings.mirror_for(uri)
+ fetcher = Gem::RemoteFetcher.new(configuration[:http_proxy])
+ Bundler::Retry.new("download gem from #{uri}").attempts do
+ fetcher.download(spec, uri, path)
+ end
+ end
+
+ def security_policy_keys
+ %w(High Medium Low AlmostNo No).map {|level| "#{level}Security" }
+ end
+
+ def security_policies
+ @security_policies ||= begin
+ require "rubygems/security"
+ Gem::Security::Policies
+ rescue LoadError, NameError
+ {}
+ end
+ end
+
+ def reverse_rubygems_kernel_mixin
+ # Disable rubygems' gem activation system
+ kernel = (class << ::Kernel; self; end)
+ [kernel, ::Kernel].each do |k|
+ if k.private_method_defined?(:gem_original_require)
+ redefine_method(k, :require, k.instance_method(:gem_original_require))
+ end
+ end
+ end
+
+ def binstubs_call_gem?
+ true
+ end
+
+ def stubs_provide_full_functionality?
+ false
+ end
+
+ def replace_gem(specs, specs_by_name)
+ reverse_rubygems_kernel_mixin
+
+ executables = nil
+
+ kernel = (class << ::Kernel; self; end)
+ [kernel, ::Kernel].each do |kernel_class|
+ redefine_method(kernel_class, :gem) do |dep, *reqs|
+ executables ||= specs.map(&:executables).flatten if ::Bundler.rubygems.binstubs_call_gem?
+ if executables && executables.include?(File.basename(caller.first.split(":").first))
+ break
+ end
+
+ reqs.pop if reqs.last.is_a?(Hash)
+
+ unless dep.respond_to?(:name) && dep.respond_to?(:requirement)
+ dep = Gem::Dependency.new(dep, reqs)
+ end
+
+ if spec = specs_by_name[dep.name]
+ return true if dep.matches_spec?(spec)
+ end
+
+ message = if spec.nil?
+ "#{dep.name} is not part of the bundle." \
+ " Add it to your #{Bundler.default_gemfile.basename}."
+ else
+ "can't activate #{dep}, already activated #{spec.full_name}. " \
+ "Make sure all dependencies are added to Gemfile."
+ end
+
+ e = Gem::LoadError.new(message)
+ e.name = dep.name
+ if e.respond_to?(:requirement=)
+ e.requirement = dep.requirement
+ elsif e.respond_to?(:version_requirement=)
+ e.version_requirement = dep.requirement
+ end
+ raise e
+ end
+
+ # TODO: delete this in 2.0, it's a backwards compatibility shim
+ # see https://github.com/bundler/bundler/issues/5102
+ kernel_class.send(:public, :gem)
+ end
+ end
+
+ def stub_source_index(specs)
+ Gem::SourceIndex.send(:alias_method, :old_initialize, :initialize)
+ redefine_method(Gem::SourceIndex, :initialize) do |*args|
+ @gems = {}
+ # You're looking at this thinking: Oh! This is how I make those
+ # rubygems deprecations go away!
+ #
+ # You'd be correct BUT using of this method in production code
+ # must be approved by the rubygems team itself!
+ #
+ # This is your warning. If you use this and don't have approval
+ # we can't protect you.
+ #
+ Deprecate.skip_during do
+ self.spec_dirs = *args
+ add_specs(*specs)
+ end
+ end
+ end
+
+ # Used to make bin stubs that are not created by bundler work
+ # under bundler. The new Gem.bin_path only considers gems in
+ # +specs+
+ def replace_bin_path(specs, specs_by_name)
+ gem_class = (class << Gem; self; end)
+
+ redefine_method(gem_class, :find_spec_for_exe) do |gem_name, *args|
+ exec_name = args.first
+
+ spec_with_name = specs_by_name[gem_name]
+ spec = if exec_name
+ if spec_with_name && spec_with_name.executables.include?(exec_name)
+ spec_with_name
+ else
+ specs.find {|s| s.executables.include?(exec_name) }
+ end
+ else
+ spec_with_name
+ end
+
+ unless spec
+ message = "can't find executable #{exec_name} for gem #{gem_name}"
+ if !exec_name || spec_with_name.nil?
+ message += ". #{gem_name} is not currently included in the bundle, " \
+ "perhaps you meant to add it to your #{Bundler.default_gemfile.basename}?"
+ end
+ raise Gem::Exception, message
+ end
+
+ raise Gem::Exception, "no default executable for #{spec.full_name}" unless exec_name ||= spec.default_executable
+
+ unless spec.name == name
+ Bundler::SharedHelpers.major_deprecation \
+ "Bundler is using a binstub that was created for a different gem.\n" \
+ "You should run `bundle binstub #{gem_name}` " \
+ "to work around a system/bundle conflict."
+ end
+ spec
+ end
+
+ redefine_method(gem_class, :activate_bin_path) do |name, *args|
+ exec_name = args.first
+ return ENV["BUNDLE_BIN_PATH"] if exec_name == "bundle"
+
+ # Copy of Rubygems activate_bin_path impl
+ requirement = args.last
+ spec = find_spec_for_exe name, exec_name, [requirement]
+
+ gem_bin = File.join(spec.full_gem_path, spec.bindir, exec_name)
+ gem_from_path_bin = File.join(File.dirname(spec.loaded_from), spec.bindir, exec_name)
+ File.exist?(gem_bin) ? gem_bin : gem_from_path_bin
+ end
+
+ redefine_method(gem_class, :bin_path) do |name, *args|
+ exec_name = args.first
+ return ENV["BUNDLE_BIN_PATH"] if exec_name == "bundle"
+
+ spec = find_spec_for_exe(name, *args)
+ exec_name ||= spec.default_executable
+
+ gem_bin = File.join(spec.full_gem_path, spec.bindir, exec_name)
+ gem_from_path_bin = File.join(File.dirname(spec.loaded_from), spec.bindir, exec_name)
+ File.exist?(gem_bin) ? gem_bin : gem_from_path_bin
+ end
+ end
+
+ # Because Bundler has a static view of what specs are available,
+ # we don't #refresh, so stub it out.
+ def replace_refresh
+ gem_class = (class << Gem; self; end)
+ redefine_method(gem_class, :refresh) {}
+ end
+
+ # Replace or hook into Rubygems to provide a bundlerized view
+ # of the world.
+ def replace_entrypoints(specs)
+ specs_by_name = specs.reduce({}) do |h, s|
+ h[s.name] = s
+ h
+ end
+
+ replace_gem(specs, specs_by_name)
+ stub_rubygems(specs)
+ replace_bin_path(specs, specs_by_name)
+ replace_refresh
+
+ Gem.clear_paths
+ end
+
+ # This backports the correct segment generation code from Rubygems 1.4+
+ # by monkeypatching it into the method in Rubygems 1.3.6 and 1.3.7.
+ def backport_segment_generation
+ redefine_method(Gem::Version, :segments) do
+ @segments ||= @version.scan(/[0-9]+|[a-z]+/i).map do |s|
+ /^\d+$/ =~ s ? s.to_i : s
+ end
+ end
+ end
+
+ # This backport fixes the marshaling of @segments.
+ def backport_yaml_initialize
+ redefine_method(Gem::Version, :yaml_initialize) do |_, map|
+ @version = map["version"]
+ @segments = nil
+ @hash = nil
+ end
+ end
+
+ # This backports base_dir which replaces installation path
+ # Rubygems 1.8+
+ def backport_base_dir
+ redefine_method(Gem::Specification, :base_dir) do
+ return Gem.dir unless loaded_from
+ File.dirname File.dirname loaded_from
+ end
+ end
+
+ def backport_cache_file
+ redefine_method(Gem::Specification, :cache_dir) do
+ @cache_dir ||= File.join base_dir, "cache"
+ end
+
+ redefine_method(Gem::Specification, :cache_file) do
+ @cache_file ||= File.join cache_dir, "#{full_name}.gem"
+ end
+ end
+
+ def backport_spec_file
+ redefine_method(Gem::Specification, :spec_dir) do
+ @spec_dir ||= File.join base_dir, "specifications"
+ end
+
+ redefine_method(Gem::Specification, :spec_file) do
+ @spec_file ||= File.join spec_dir, "#{full_name}.gemspec"
+ end
+ end
+
+ def undo_replacements
+ @replaced_methods.each do |(sym, klass), method|
+ redefine_method(klass, sym, method)
+ end
+ post_reset_hooks.reject! do |proc|
+ proc.binding.eval("__FILE__") == __FILE__
+ end
+ @replaced_methods.clear
+ end
+
+ def redefine_method(klass, method, unbound_method = nil, &block)
+ visibility = method_visibility(klass, method)
+ begin
+ if (instance_method = klass.instance_method(method)) && method != :initialize
+ # doing this to ensure we also get private methods
+ klass.send(:remove_method, method)
+ end
+ rescue NameError
+ # method isn't defined
+ nil
+ end
+ @replaced_methods[[method, klass]] = instance_method
+ if unbound_method
+ klass.send(:define_method, method, unbound_method)
+ klass.send(visibility, method)
+ elsif block
+ klass.send(:define_method, method, &block)
+ klass.send(visibility, method)
+ end
+ end
+
+ def method_visibility(klass, method)
+ if klass.private_method_defined?(method)
+ :private
+ elsif klass.protected_method_defined?(method)
+ :protected
+ else
+ :public
+ end
+ end
+
+ # Rubygems 1.4 through 1.6
+ class Legacy < RubygemsIntegration
+ def initialize
+ super
+ backport_base_dir
+ backport_cache_file
+ backport_spec_file
+ backport_yaml_initialize
+ end
+
+ def stub_rubygems(specs)
+ # Rubygems versions lower than 1.7 use SourceIndex#from_gems_in
+ source_index_class = (class << Gem::SourceIndex; self; end)
+ redefine_method(source_index_class, :from_gems_in) do |*args|
+ Gem::SourceIndex.new.tap do |source_index|
+ source_index.spec_dirs = *args
+ source_index.add_specs(*specs)
+ end
+ end
+ end
+
+ def all_specs
+ Gem.source_index.gems.values
+ end
+
+ def find_name(name)
+ Gem.source_index.find_name(name)
+ end
+
+ def validate(spec)
+ # These versions of RubyGems always validate in "packaging" mode,
+ # which is too strict for the kinds of checks we care about. As a
+ # result, validation is disabled on versions of RubyGems below 1.7.
+ end
+
+ def post_reset_hooks
+ []
+ end
+
+ def reset
+ end
+ end
+
+ # Rubygems versions 1.3.6 and 1.3.7
+ class Ancient < Legacy
+ def initialize
+ super
+ backport_segment_generation
+ end
+ end
+
+ # Rubygems 1.7
+ class Transitional < Legacy
+ def stub_rubygems(specs)
+ stub_source_index(specs)
+ end
+
+ def validate(spec)
+ # Missing summary is downgraded to a warning in later versions,
+ # so we set it to an empty string to prevent an exception here.
+ spec.summary ||= ""
+ RubygemsIntegration.instance_method(:validate).bind(self).call(spec)
+ end
+ end
+
+ # Rubygems 1.8.5-1.8.19
+ class Modern < RubygemsIntegration
+ def stub_rubygems(specs)
+ Gem::Specification.all = specs
+
+ Gem.post_reset do
+ Gem::Specification.all = specs
+ end
+
+ stub_source_index(specs)
+ end
+
+ def all_specs
+ Gem::Specification.to_a
+ end
+
+ def find_name(name)
+ Gem::Specification.find_all_by_name name
+ end
+ end
+
+ # Rubygems 1.8.0 to 1.8.4
+ class AlmostModern < Modern
+ # Rubygems [>= 1.8.0, < 1.8.5] has a bug that changes Gem.dir whenever
+ # you call Gem::Installer#install with an :install_dir set. We have to
+ # change it back for our sudo mode to work.
+ def preserve_paths
+ old_dir = gem_dir
+ old_path = gem_path
+ yield
+ Gem.use_paths(old_dir, old_path)
+ end
+ end
+
+ # Rubygems 1.8.20+
+ class MoreModern < Modern
+ # Rubygems 1.8.20 and adds the skip_validation parameter, so that's
+ # when we start passing it through.
+ def build(spec, skip_validation = false)
+ require "rubygems/builder"
+ Gem::Builder.new(spec).build(skip_validation)
+ end
+ end
+
+ # Rubygems 2.0
+ class Future < RubygemsIntegration
+ def stub_rubygems(specs)
+ Gem::Specification.all = specs
+
+ Gem.post_reset do
+ Gem::Specification.all = specs
+ end
+
+ redefine_method((class << Gem; self; end), :finish_resolve) do |*|
+ []
+ end
+ end
+
+ def all_specs
+ Gem::Specification.to_a
+ end
+
+ def find_name(name)
+ Gem::Specification.find_all_by_name name
+ end
+
+ def fetch_specs(source, remote, name)
+ path = source + "#{name}.#{Gem.marshal_version}.gz"
+ fetcher = gem_remote_fetcher
+ fetcher.headers = { "X-Gemfile-Source" => remote.original_uri.to_s } if remote.original_uri
+ string = fetcher.fetch_path(path)
+ Bundler.load_marshal(string)
+ rescue Gem::RemoteFetcher::FetchError => e
+ # it's okay for prerelease to fail
+ raise e unless name == "prerelease_specs"
+ end
+
+ def fetch_all_remote_specs(remote)
+ source = remote.uri.is_a?(URI) ? remote.uri : URI.parse(source.to_s)
+
+ specs = fetch_specs(source, remote, "specs")
+ pres = fetch_specs(source, remote, "prerelease_specs") || []
+
+ specs.concat(pres)
+ end
+
+ def download_gem(spec, uri, path)
+ uri = Bundler.settings.mirror_for(uri)
+ fetcher = gem_remote_fetcher
+ fetcher.headers = { "X-Gemfile-Source" => spec.remote.original_uri.to_s } if spec.remote.original_uri
+ Bundler::Retry.new("download gem from #{uri}").attempts do
+ fetcher.download(spec, uri, path)
+ end
+ end
+
+ def gem_remote_fetcher
+ require "resolv"
+ proxy = configuration[:http_proxy]
+ dns = Resolv::DNS.new
+ Bundler::GemRemoteFetcher.new(proxy, dns)
+ end
+
+ def gem_from_path(path, policy = nil)
+ require "rubygems/package"
+ p = Gem::Package.new(path)
+ p.security_policy = policy if policy
+ p
+ end
+
+ def build(spec, skip_validation = false)
+ require "rubygems/package"
+ Gem::Package.build(spec, skip_validation)
+ end
+
+ def repository_subdirectories
+ Gem::REPOSITORY_SUBDIRECTORIES
+ end
+
+ def install_with_build_args(args)
+ yield
+ end
+ end
+
+ # RubyGems 2.1.0
+ class MoreFuture < Future
+ def initialize
+ super
+ backport_ext_builder_monitor
+ end
+
+ def all_specs
+ require "bundler/remote_specification"
+ Gem::Specification.stubs.map do |stub|
+ StubSpecification.from_stub(stub)
+ end
+ end
+
+ def backport_ext_builder_monitor
+ # So we can avoid requiring "rubygems/ext" in its entirety
+ Gem.module_eval <<-RB, __FILE__, __LINE__ + 1
+ module Ext
+ end
+ RB
+
+ require "rubygems/ext/builder"
+
+ Gem::Ext::Builder.class_eval do
+ unless const_defined?(:CHDIR_MONITOR)
+ const_set(:CHDIR_MONITOR, EXT_LOCK)
+ end
+
+ remove_const(:CHDIR_MUTEX) if const_defined?(:CHDIR_MUTEX)
+ const_set(:CHDIR_MUTEX, const_get(:CHDIR_MONITOR))
+ end
+ end
+
+ if Gem::Specification.respond_to?(:stubs_for)
+ def find_name(name)
+ Gem::Specification.stubs_for(name).map(&:to_spec)
+ end
+ else
+ def find_name(name)
+ Gem::Specification.stubs.find_all do |spec|
+ spec.name == name
+ end.map(&:to_spec)
+ end
+ end
+
+ def use_gemdeps(gemfile)
+ ENV["BUNDLE_GEMFILE"] ||= File.expand_path(gemfile)
+ require "bundler/gemdeps"
+ runtime = Bundler.setup
+ Bundler.ui = nil
+ activated_spec_names = runtime.requested_specs.map(&:to_spec).sort_by(&:name)
+ [Gemdeps.new(runtime), activated_spec_names]
+ end
+
+ if provides?(">= 2.5.2")
+ # RubyGems-generated binstubs call Kernel#gem
+ def binstubs_call_gem?
+ false
+ end
+
+ # only 2.5.2+ has all of the stub methods we want to use, and since this
+ # is a performance optimization _only_,
+ # we'll restrict ourselves to the most
+ # recent RG versions instead of all versions that have stubs
+ def stubs_provide_full_functionality?
+ true
+ end
+ end
+ end
+ end
+
+ def self.rubygems
+ @rubygems ||= if RubygemsIntegration.provides?(">= 2.1.0")
+ RubygemsIntegration::MoreFuture.new
+ elsif RubygemsIntegration.provides?(">= 1.99.99")
+ RubygemsIntegration::Future.new
+ elsif RubygemsIntegration.provides?(">= 1.8.20")
+ RubygemsIntegration::MoreModern.new
+ elsif RubygemsIntegration.provides?(">= 1.8.5")
+ RubygemsIntegration::Modern.new
+ elsif RubygemsIntegration.provides?(">= 1.8.0")
+ RubygemsIntegration::AlmostModern.new
+ elsif RubygemsIntegration.provides?(">= 1.7.0")
+ RubygemsIntegration::Transitional.new
+ elsif RubygemsIntegration.provides?(">= 1.4.0")
+ RubygemsIntegration::Legacy.new
+ else # Rubygems 1.3.6 and 1.3.7
+ RubygemsIntegration::Ancient.new
+ end
+ end
+end