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rubygems_integration.rb
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# frozen_string_literal: true require "rubygems" unless defined?(Gem) module Bundler class RubygemsIntegration if defined?(Gem::Ext::Builder::CHDIR_MONITOR) EXT_LOCK = Gem::Ext::Builder::CHDIR_MONITOR else require "monitor" 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 = {} backport_ext_builder_monitor 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 loaded_specs(name) Gem.loaded_specs[name] end def add_to_load_path(paths) return Gem.add_to_load_path(*paths) if Gem.respond_to?(:add_to_load_path) if insert_index = Gem.load_path_insert_index # Gem directories must come after -I and ENV['RUBYLIB'] $LOAD_PATH.insert(insert_index, *paths) else # We are probably testing in core, -I and RUBYLIB don't apply $LOAD_PATH.unshift(*paths) end 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 spec_matches_for_glob(spec, glob) return spec.matches_for_glob(glob) if spec.respond_to?(:matches_for_glob) spec.load_paths.map do |lp| Dir["#{lp}/#{glob}#{suffix_pattern}"] end.flatten(1) end def stub_set_spec(stub, spec) stub.instance_variable_set(:@spec, spec) end def path(obj) obj.to_s end def configuration require_relative "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::Util.inflate(obj) end def correct_for_windows_path(path) if Gem::Util.respond_to?(:correct_for_windows_path) Gem::Util.correct_for_windows_path(path) elsif path[0].chr == "/" && path[1].chr =~ /[a-z]/i && path[2].chr == ":" path[1..-1] else path end 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 suffix_pattern Gem.suffix_pattern 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 clear_paths Gem.clear_paths end def bin_path(gem, bin, ver) Gem.bin_path(gem, bin, ver) end def loaded_gem_paths loaded_gem_paths = Gem.loaded_specs.map {|_, s| s.full_require_paths } loaded_gem_paths.flatten end def load_plugins Gem.load_plugins if Gem.respond_to?(:load_plugins) end def load_plugin_files(files) Gem.load_plugin_files(files) if Gem.respond_to?(:load_plugin_files) end def load_env_plugins Gem.load_env_plugins if Gem.respond_to?(:load_env_plugins) end def ui=(obj) Gem::DefaultUserInteraction.ui = obj end def ext_lock EXT_LOCK 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 spec_from_gem(path, policy = nil) require "rubygems/security" require_relative "psyched_yaml" gem_from_path(path, security_policies[policy]).spec rescue Exception, Gem::Exception, Gem::Security::Exception => e # rubocop:disable Lint/RescueException 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_gem(gem_dir, spec) build(spec) 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 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| 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? target_file = begin Bundler.default_gemfile.basename rescue GemfileNotFound "inline Gemfile" end "#{dep.name} is not part of the bundle." \ " Add it to your #{target_file}." 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 # backwards compatibility shim, see https://github.com/rubygems/bundler/issues/5102 kernel_class.send(:public, :gem) if Bundler.feature_flag.setup_makes_kernel_gem_public? 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_by_name) gem_class = (class << Gem; self; end) redefine_method(gem_class, :find_spec_for_exe) do |gem_name, *args| exec_name = args.first raise ArgumentError, "you must supply exec_name" unless exec_name spec_with_name = specs_by_name[gem_name] matching_specs_by_exec_name = specs_by_name.values.select {|s| s.executables.include?(exec_name) } spec = matching_specs_by_exec_name.delete(spec_with_name) unless spec || !matching_specs_by_exec_name.empty? message = "can't find executable #{exec_name} for gem #{gem_name}" if 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 unless spec spec = matching_specs_by_exec_name.shift warn \ "Bundler is using a binstub that was created for a different gem (#{spec.name}).\n" \ "You should run `bundle binstub #{gem_name}` " \ "to work around a system/bundle conflict." end unless matching_specs_by_exec_name.empty? conflicting_names = matching_specs_by_exec_name.map(&:name).join(", ") warn \ "The `#{exec_name}` executable in the `#{spec.name}` gem is being loaded, but it's also present in other gems (#{conflicting_names}).\n" \ "If you meant to run the executable for another gem, make sure you use a project specific binstub (`bundle binstub <gem_name>`).\n" \ "If you plan to use multiple conflicting executables, generate binstubs for them and disambiguate their names." 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 # Replace or hook into RubyGems to provide a bundlerized view # of the world. def replace_entrypoints(specs) specs_by_name = add_default_gems_to(specs) replace_gem(specs, specs_by_name) stub_rubygems(specs) replace_bin_path(specs_by_name) Gem.clear_paths end # Add default gems not already present in specs, and return them as a hash. def add_default_gems_to(specs) specs_by_name = specs.reduce({}) do |h, s| h[s.name] = s h end Bundler.rubygems.default_stubs.each do |stub| default_spec = stub.to_spec default_spec_name = default_spec.name next if specs_by_name.key?(default_spec_name) specs << default_spec specs_by_name[default_spec_name] = default_spec end specs_by_name end def undo_replacements @replaced_methods.each do |(sym, klass), method| redefine_method(klass, sym, method) end if Binding.public_method_defined?(:source_location) post_reset_hooks.reject! {|proc| proc.binding.source_location[0] == __FILE__ } else post_reset_hooks.reject! {|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 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 plain_specs Gem::Specification._all end def plain_specs=(specs) Gem::Specification.all = specs end def fetch_specs(remote, name) path = remote.uri.to_s + "#{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) specs = fetch_specs(remote, "specs") pres = fetch_specs(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 rescue Gem::RemoteFetcher::FetchError => e raise Bundler::HTTPError, "Could not download gem from #{uri} due to underlying error <#{e.message}>" end def gem_remote_fetcher require "rubygems/remote_fetcher" proxy = configuration[:http_proxy] Gem::RemoteFetcher.new(proxy) 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 def path_separator Gem.path_separator end def all_specs 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 <<-RUBY, __FILE__, __LINE__ + 1 module Ext end RUBY 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 def find_name(name) Gem::Specification.stubs_for(name).map(&:to_spec) end if Gem::Specification.respond_to?(:default_stubs) def default_stubs Gem::Specification.default_stubs("*.gemspec") end else def default_stubs Gem::Specification.send(:default_stubs, "*.gemspec") end end def use_gemdeps(gemfile) ENV["BUNDLE_GEMFILE"] ||= File.expand_path(gemfile) require_relative "gemdeps" runtime = Bundler.setup activated_spec_names = runtime.requested_specs.map(&:to_spec).sort_by(&:name) [Gemdeps.new(runtime), activated_spec_names] end end def self.rubygems @rubygems ||= RubygemsIntegration.new end end