class Bundler::RubygemsIntegration - bundler-1.9.9 Documentation

# class Bundler::RubygemsIntegration

### Public Class Methods

provides?(req_str) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 12
    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 8
    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 374
    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 381
    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 355
    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 391
    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 364
    def backport_yaml_initialize
      redefine_method(Gem::Version, :yaml_initialize) do |tag, 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 125
    def bin_path(gem, bin, ver)
      Gem.bin_path(gem, bin, ver)
    end

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

    # File lib/bundler/rubygems_integration.rb, line 197
    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 24
    def build_args
      Gem::Command.build_args
    end

build_args=(args) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 28
    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 202
    def build_gem(gem_dir, spec)
       build(spec)
    end

clear_paths() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 121
    def clear_paths
      Gem.clear_paths
    end

config_map() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 113
    def config_map
      Gem::ConfigMap
    end

configuration() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 48
    def configuration
      Gem.configuration
    rescue Gem::SystemExitException => e
      Bundler.ui.error "#{e.class}: #{e.message}"
      Bundler.ui.trace e
      raise Gem::SystemExitException
    end

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

    # File lib/bundler/rubygems_integration.rb, line 206
    def download_gem(spec, uri, path)
      uri = Bundler::Source.mirror_for(uri)
      fetcher = Gem::RemoteFetcher.new(configuration[:http_proxy])
      fetcher.download(spec, uri, path)
    end

ext_lock() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 138
    def ext_lock
      @ext_lock ||= Monitor.new
    end

fetch_all_remote_specs() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 154
    def fetch_all_remote_specs
      # 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] += v }

      return spec_list
    end

fetch_prerelease_specs() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 148
    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 142
    def fetch_specs(all, pre, &blk)
      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 85
    def gem_bindir
      Gem.bindir
    end

gem_cache() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 97
    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 81
    def gem_dir
      Gem.dir
    end

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

    # File lib/bundler/rubygems_integration.rb, line 175
    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 93
    def gem_path
      Gem.path
    end

inflate(obj) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 64
    def inflate(obj)
      Gem.inflate(obj)
    end

loaded_specs(name) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 32
    def loaded_specs(name)
      Gem.loaded_specs[name]
    end

mark_loaded(spec) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 36
    def mark_loaded(spec)
      Gem.loaded_specs[spec.name] = spec
    end

marshal_spec_dir() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 109
    def marshal_spec_dir
      Gem::MARSHAL_SPEC_DIR
    end

path(obj) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 40
    def path(obj)
      obj.to_s
    end

platforms() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 44
    def platforms
      Gem.platforms
    end

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

    # File lib/bundler/rubygems_integration.rb, line 129
    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 20
    def provides?(req_str)
      self.class.provides?(req_str)
    end

read_binary(path) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 60
    def read_binary(path)
      Gem.read_binary(path)
    end

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

    # File lib/bundler/rubygems_integration.rb, line 401
    def redefine_method(klass, method, &block)
      if klass.instance_methods(false).include?(method)
        klass.send(:remove_method, method)
      end
      klass.send(:define_method, method, &block)
    end

replace_bin_path(specs) 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 303
    def replace_bin_path(specs)
      gem_class = (class << Gem ; self ; end)
      redefine_method(gem_class, :bin_path) do |name, *args|
        exec_name = args.first

        if exec_name == 'bundle'
          return ENV['BUNDLE_BIN_PATH']
        end

        spec = nil

        if exec_name
          spec = specs.find { |s| s.executables.include?(exec_name) }
          spec or raise Gem::Exception, "can't find executable #{exec_name}"
          unless spec.name == name
            warn "Bundler is using a binstub that was created for a different gem.\n"                "This is deprecated, in future versions you may need to `bundle binstub #{name}` "                "to work around a system/bundle conflict."
          end
        else
          spec = specs.find  { |s| s.name == name }
          exec_name = spec.default_executable or raise Gem::Exception, "no default executable for #{spec.full_name}"
        end

        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 342
    def replace_entrypoints(specs)
      replace_gem(specs)

      stub_rubygems(specs)

      replace_bin_path(specs)
      replace_refresh

      Gem.clear_paths
    end

replace_gem(specs) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 237
    def replace_gem(specs)
      reverse_rubygems_kernel_mixin

      executables = specs.map { |s| s.executables }.flatten

      ::Kernel.send(:define_method, :gem) do |dep, *reqs|
        if executables.include? File.basename(caller.first.split(':').first)
          return
        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

        spec = specs.find  { |s| s.name == dep.name }

        if spec.nil?

          e = Gem::LoadError.new "#{dep.name} is not part of the bundle. Add it to Gemfile."
          e.name = dep.name
          if e.respond_to?(:requirement=)
            e.requirement = dep.requirement
          else
            e.version_requirement = dep.requirement
          end
          raise e
        elsif dep !~ spec
          e = Gem::LoadError.new "can't activate #{dep}, already activated #{spec.full_name}. "                                   "Make sure all dependencies are added to Gemfile."
          e.name = dep.name
          if e.respond_to?(:requirement=)
            e.requirement = dep.requirement
          else
            e.version_requirement = dep.requirement
          end
          raise e
        end

        true
      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 335
    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 117
    def repository_subdirectories
      %w[cache doc gems specifications]
    end

reverse_rubygems_kernel_mixin() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 225
    def reverse_rubygems_kernel_mixin
      # Disable rubygems' gem activation system
      ::Kernel.class_eval do
        if private_method_defined?(:gem_original_require)
          alias rubygems_require require
          alias require gem_original_require
        end

        undef gem
      end
    end

ruby_engine() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 56
    def ruby_engine
      Gem.ruby_engine
    end

security_policies() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 216
    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 212
    def security_policy_keys
      %w{High Medium Low AlmostNo No}.map { |level| "#{level}Security" }
    end

sources() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 77
    def sources
      Gem.sources
    end

sources=(val) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 68
    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 101
    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_from_gem(path, policy = nil) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 180
    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

stub_source_index(specs) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 280
    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

ui=(obj) click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 134
    def ui=(obj)
      Gem::DefaultUserInteraction.ui = obj
    end

user_home() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 89
    def user_home
      Gem.user_home
    end

version() click to toggle source

    # File lib/bundler/rubygems_integration.rb, line 16
    def version
      self.class.version
    end

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

    # File lib/bundler/rubygems_integration.rb, line 163
    def with_build_args(args)
      ext_lock.synchronize do
        old_args = self.build_args
        begin
          self.build_args = args
          yield
        ensure
          self.build_args = old_args
        end
      end
    end