# class Bundler::RubygemsIntegration

### Constants

EXT_LOCK

### Public Class Methods

new() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 23
    def initialize
      @replaced_methods = {}
    end

provides?(req_str) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 19
    def self.provides?(req_str)
      Gem::Requirement.new(req_str).satisfied_by?(version)
    end

version() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 15
    def self.version
      @version ||= Gem::Version.new(Gem::VERSION)
    end

### Public Instance Methods

backport_base_dir() click to toggle source

This backports base_dir which replaces installation path RubyGems 1.8+

    # File lib/bundler/rubygems_integration.rb, line 546
    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

backport_cache_file() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 553
    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

backport_segment_generation() click to toggle source

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.

    # File lib/bundler/rubygems_integration.rb, line 527
    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

backport_spec_file() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 563
    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

backport_yaml_initialize() click to toggle source

This backport fixes the marshaling of @segments.

    # File lib/bundler/rubygems_integration.rb, line 536
    def backport_yaml_initialize
      redefine_method(Gem::Version, :yaml_initialize) do |_, map|
        @version = map["version"]
        @segments = nil
        @hash = nil
      end
    end

bin_path(gem, bin, ver) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 211
    def bin_path(gem, bin, ver)
      Gem.bin_path(gem, bin, ver)
    end

binstubs_call_gem?() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 362
    def binstubs_call_gem?
      true
    end

build(spec, skip_validation = false) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 322
    def build(spec, skip_validation = false)
      require "rubygems/builder"
      Gem::Builder.new(spec).build
    end

build_args() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 35
    def build_args
      Gem::Command.build_args
    end

build_args=(args) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 39
    def build_args=(args)
      Gem::Command.build_args = args
    end

build_gem(gem_dir, spec) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 327
    def build_gem(gem_dir, spec)
      build(spec)
    end

clear_paths() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 207
    def clear_paths
      Gem.clear_paths
    end

config_map() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 199
    def config_map
      Gem::ConfigMap
    end

configuration() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 114
    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

download_gem(spec, uri, path) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 331
    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

ext_lock() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 249
    def ext_lock
      EXT_LOCK
    end

fetch_all_remote_specs(remote) click to toggle source

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.

    # File lib/bundler/rubygems_integration.rb, line 270
    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

fetch_prerelease_specs() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 260
    def fetch_prerelease_specs
      fetch_specs(false, true)
    rescue Gem::RemoteFetcher::FetchError
      {} # if we can't download them, there aren't any
    end

fetch_specs(all, pre) { || ... } click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 253
    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

gem_bindir() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 159
    def gem_bindir
      Gem.bindir
    end

gem_cache() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 183
    def gem_cache
      gem_path.map {|p| File.expand_path("cache", p) }
    end

gem_dir() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 155
    def gem_dir
      Gem.dir
    end

gem_from_path(path, policy = nil) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 299
    def gem_from_path(path, policy = nil)
      require "rubygems/format"
      Gem::Format.from_file_by_path(path, policy)
    end

gem_path() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 167
    def gem_path
      Gem.path
    end

inflate(obj) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 134
    def inflate(obj)
      if defined?(Gem::Util)
        Gem::Util.inflate(obj)
      else
        Gem.inflate(obj)
      end
    end

install_with_build_args(args) { || ... } click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 295
    def install_with_build_args(args)
      with_build_args(args) { yield }
    end

load_path_insert_index() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 43
    def load_path_insert_index
      Gem.load_path_insert_index
    end

load_plugin_files(files) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 241
    def load_plugin_files(files)
      Gem.load_plugin_files(files) if Gem.respond_to?(:load_plugin_files)
    end

load_plugins() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 237
    def load_plugins
      Gem.load_plugins if Gem.respond_to?(:load_plugins)
    end

loaded_gem_paths() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 224
    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

loaded_specs(name) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 47
    def loaded_specs(name)
      Gem.loaded_specs[name]
    end

mark_loaded(spec) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 51
    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

marshal_spec_dir() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 195
    def marshal_spec_dir
      Gem::MARSHAL_SPEC_DIR
    end

method_visibility(klass, method) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 606
    def method_visibility(klass, method)
      if klass.private_method_defined?(method)
        :private
      elsif klass.protected_method_defined?(method)
        :protected
      else
        :public
      end
    end

path(obj) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 105
    def path(obj)
      obj.to_s
    end

path_separator() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 215
    def path_separator
      File::PATH_SEPARATOR
    end

platforms() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 109
    def platforms
      return [Gem::Platform::RUBY] if Bundler.settings[:force_ruby_platform]
      Gem.platforms
    end

post_reset_hooks() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 175
    def post_reset_hooks
      Gem.post_reset_hooks
    end

preserve_paths() { || ... } click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 219
    def preserve_paths
      # this is a no-op outside of RubyGems 1.8
      yield
    end

provides?(req_str) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 31
    def provides?(req_str)
      self.class.provides?(req_str)
    end

read_binary(path) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 130
    def read_binary(path)
      Gem.read_binary(path)
    end

redefine_method(klass, method, unbound_method = nil, &block) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 585
    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

replace_bin_path(specs, specs_by_name) click to toggle source

Used to make bin stubs that are not created by bundler work under bundler. The new Gem.bin_path only considers gems in `specs`

    # File lib/bundler/rubygems_integration.rb, line 439
    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 == gem_name
          Bundler::SharedHelpers.major_deprecation 2,
            "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
        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_entrypoints(specs) click to toggle source

Replace or hook into RubyGems to provide a bundlerized view of the world.

    # File lib/bundler/rubygems_integration.rb, line 511
    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

replace_gem(specs, specs_by_name) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 370
    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

        # backwards compatibility shim, see https://github.com/bundler/bundler/issues/5102
        kernel_class.send(:public, :gem) if Bundler.feature_flag.setup_makes_kernel_gem_public?
      end
    end

replace_refresh() click to toggle source

Because `Bundler` has a static view of what specs are available, we don't refresh, so stub it out.

    # File lib/bundler/rubygems_integration.rb, line 504
    def replace_refresh
      gem_class = (class << Gem; self; end)
      redefine_method(gem_class, :refresh) {}
    end

repository_subdirectories() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 203
    def repository_subdirectories
      %w[cache doc gems specifications]
    end

reset() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 171
    def reset
      Gem::Specification.reset
    end

reverse_rubygems_kernel_mixin() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 352
    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

ruby_engine() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 126
    def ruby_engine
      Gem.ruby_engine
    end

security_policies() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 343
    def security_policies
      @security_policies ||= begin
        require "rubygems/security"
        Gem::Security::Policies
      rescue LoadError, NameError
        {}
      end
    end

security_policy_keys() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 339
    def security_policy_keys
      %w[High Medium Low AlmostNo No].map {|level| "#{level}Security" }
    end

set_installed_by_version(spec, installed_by_version = Gem::VERSION) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 70
    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

sources() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 151
    def sources
      Gem.sources
    end

sources=(val) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 142
    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

spec_cache_dirs() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 187
    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

spec_default_gem?(spec) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 84
    def spec_default_gem?(spec)
      spec.respond_to?(:default_gem?) && spec.default_gem?
    end

spec_extension_dir(spec) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 96
    def spec_extension_dir(spec)
      return unless spec.respond_to?(:extension_dir)
      spec.extension_dir
    end

spec_from_gem(path, policy = nil) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 304
    def spec_from_gem(path, policy = nil)
      require "rubygems/security"
      require "bundler/psyched_yaml"
      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

spec_matches_for_glob(spec, glob) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 88
    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

spec_missing_extensions?(spec, default = true) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 75
    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

stub_set_spec(stub, spec) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 101
    def stub_set_spec(stub, spec)
      stub.instance_variable_set(:@spec, spec)
    end

stub_source_index(specs) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 416
    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

stubs_provide_full_functionality?() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 366
    def stubs_provide_full_functionality?
      false
    end

suffix_pattern() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 179
    def suffix_pattern
      Gem.suffix_pattern
    end

ui=(obj) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 245
    def ui=(obj)
      Gem::DefaultUserInteraction.ui = obj
    end

undo_replacements() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 573
    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

user_home() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 163
    def user_home
      Gem.user_home
    end

validate(spec) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 60
    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

version() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 27
    def version
      self.class.version
    end

with_build_args(args) { || ... } click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 283
    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