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# frozen_string_literal: true require_relative "bundler/vendored_fileutils" require "pathname" require "rbconfig" require_relative "bundler/errors" require_relative "bundler/environment_preserver" require_relative "bundler/plugin" require_relative "bundler/rubygems_ext" require_relative "bundler/rubygems_integration" require_relative "bundler/version" require_relative "bundler/constants" require_relative "bundler/current_ruby" require_relative "bundler/build_metadata" # Bundler provides a consistent environment for Ruby projects by # tracking and installing the exact gems and versions that are needed. # # Since Ruby 2.6, Bundler is a part of Ruby's standard library. # # Bunder is used by creating _gemfiles_ listing all the project dependencies # and (optionally) their versions and then using # # require 'bundler/setup' # # or Bundler.setup to setup environment where only specified gems and their # specified versions could be used. # # See {Bundler website}[https://bundler.io/docs.html] for extensive documentation # on gemfiles creation and Bundler usage. # # As a standard library inside project, Bundler could be used for introspection # of loaded and required modules. # module Bundler environment_preserver = EnvironmentPreserver.from_env ORIGINAL_ENV = environment_preserver.restore environment_preserver.replace_with_backup SUDO_MUTEX = Thread::Mutex.new autoload :Definition, File.expand_path("bundler/definition", __dir__) autoload :Dependency, File.expand_path("bundler/dependency", __dir__) autoload :DepProxy, File.expand_path("bundler/dep_proxy", __dir__) autoload :Deprecate, File.expand_path("bundler/deprecate", __dir__) autoload :Digest, File.expand_path("bundler/digest", __dir__) autoload :Dsl, File.expand_path("bundler/dsl", __dir__) autoload :EndpointSpecification, File.expand_path("bundler/endpoint_specification", __dir__) autoload :Env, File.expand_path("bundler/env", __dir__) autoload :Fetcher, File.expand_path("bundler/fetcher", __dir__) autoload :FeatureFlag, File.expand_path("bundler/feature_flag", __dir__) autoload :GemHelper, File.expand_path("bundler/gem_helper", __dir__) autoload :GemHelpers, File.expand_path("bundler/gem_helpers", __dir__) autoload :GemVersionPromoter, File.expand_path("bundler/gem_version_promoter", __dir__) autoload :Graph, File.expand_path("bundler/graph", __dir__) autoload :Index, File.expand_path("bundler/index", __dir__) autoload :Injector, File.expand_path("bundler/injector", __dir__) autoload :Installer, File.expand_path("bundler/installer", __dir__) autoload :LazySpecification, File.expand_path("bundler/lazy_specification", __dir__) autoload :LockfileParser, File.expand_path("bundler/lockfile_parser", __dir__) autoload :MatchPlatform, File.expand_path("bundler/match_platform", __dir__) autoload :ProcessLock, File.expand_path("bundler/process_lock", __dir__) autoload :RemoteSpecification, File.expand_path("bundler/remote_specification", __dir__) autoload :Resolver, File.expand_path("bundler/resolver", __dir__) autoload :Retry, File.expand_path("bundler/retry", __dir__) autoload :RubyDsl, File.expand_path("bundler/ruby_dsl", __dir__) autoload :RubyVersion, File.expand_path("bundler/ruby_version", __dir__) autoload :Runtime, File.expand_path("bundler/runtime", __dir__) autoload :Settings, File.expand_path("bundler/settings", __dir__) autoload :SharedHelpers, File.expand_path("bundler/shared_helpers", __dir__) autoload :Source, File.expand_path("bundler/source", __dir__) autoload :SourceList, File.expand_path("bundler/source_list", __dir__) autoload :SourceMap, File.expand_path("bundler/source_map", __dir__) autoload :SpecSet, File.expand_path("bundler/spec_set", __dir__) autoload :StubSpecification, File.expand_path("bundler/stub_specification", __dir__) autoload :UI, File.expand_path("bundler/ui", __dir__) autoload :URICredentialsFilter, File.expand_path("bundler/uri_credentials_filter", __dir__) autoload :VersionRanges, File.expand_path("bundler/version_ranges", __dir__) class << self def configure @configured ||= configure_gem_home_and_path end def ui (defined?(@ui) && @ui) || (self.ui = UI::Shell.new) end def ui=(ui) Bundler.rubygems.ui = UI::RGProxy.new(ui) @ui = ui end # Returns absolute path of where gems are installed on the filesystem. def bundle_path @bundle_path ||= Pathname.new(configured_bundle_path.path).expand_path(root) end def configured_bundle_path @configured_bundle_path ||= settings.path.tap(&:validate!) end # Returns absolute location of where binstubs are installed to. def bin_path @bin_path ||= begin path = settings[:bin] || "bin" path = Pathname.new(path).expand_path(root).expand_path SharedHelpers.filesystem_access(path) {|p| FileUtils.mkdir_p(p) } path end end # Turns on the Bundler runtime. After +Bundler.setup+ call, all +load+ or # +require+ of the gems would be allowed only if they are part of # the Gemfile or Ruby's standard library. If the versions specified # in Gemfile, only those versions would be loaded. # # Assuming Gemfile # # gem 'first_gem', '= 1.0' # group :test do # gem 'second_gem', '= 1.0' # end # # The code using Bundler.setup works as follows: # # require 'third_gem' # allowed, required from global gems # require 'first_gem' # allowed, loads the last installed version # Bundler.setup # require 'fourth_gem' # fails with LoadError # require 'second_gem' # loads exactly version 1.0 # # +Bundler.setup+ can be called only once, all subsequent calls are no-op. # # If _groups_ list is provided, only gems from specified groups would # be allowed (gems specified outside groups belong to special +:default+ group). # # To require all gems from Gemfile (or only some groups), see Bundler.require. # def setup(*groups) # Return if all groups are already loaded return @setup if defined?(@setup) && @setup definition.validate_runtime! SharedHelpers.print_major_deprecations! if groups.empty? # Load all groups, but only once @setup = load.setup else load.setup(*groups) end end # Setups Bundler environment (see Bundler.setup) if it is not already set, # and loads all gems from groups specified. Unlike ::setup, can be called # multiple times with different groups (if they were allowed by setup). # # Assuming Gemfile # # gem 'first_gem', '= 1.0' # group :test do # gem 'second_gem', '= 1.0' # end # # The code will work as follows: # # Bundler.setup # allow all groups # Bundler.require(:default) # requires only first_gem # # ...later # Bundler.require(:test) # requires second_gem # def require(*groups) setup(*groups).require(*groups) end def load @load ||= Runtime.new(root, definition) end def environment SharedHelpers.major_deprecation 2, "Bundler.environment has been removed in favor of Bundler.load", :print_caller_location => true load end # Returns an instance of Bundler::Definition for given Gemfile and lockfile # # @param unlock [Hash, Boolean, nil] Gems that have been requested # to be updated or true if all gems should be updated # @return [Bundler::Definition] def definition(unlock = nil) @definition = nil if unlock @definition ||= begin configure Definition.build(default_gemfile, default_lockfile, unlock) end end def frozen_bundle? frozen = settings[:deployment] frozen ||= settings[:frozen] frozen end def locked_gems @locked_gems ||= if defined?(@definition) && @definition definition.locked_gems elsif Bundler.default_lockfile.file? lock = Bundler.read_file(Bundler.default_lockfile) LockfileParser.new(lock) end end def most_specific_locked_platform?(platform) return false unless defined?(@definition) && @definition definition.most_specific_locked_platform == platform end def ruby_scope "#{Bundler.rubygems.ruby_engine}/#{RbConfig::CONFIG["ruby_version"]}" end def user_home @user_home ||= begin home = Bundler.rubygems.user_home bundle_home = home ? File.join(home, ".bundle") : nil warning = if home.nil? "Your home directory is not set." elsif !File.directory?(home) "`#{home}` is not a directory." elsif !File.writable?(home) && (!File.directory?(bundle_home) || !File.writable?(bundle_home)) "`#{home}` is not writable." end if warning Bundler.ui.warn "#{warning}\n" user_home = tmp_home_path Bundler.ui.warn "Bundler will use `#{user_home}' as your home directory temporarily.\n" user_home else Pathname.new(home) end end end def user_bundle_path(dir = "home") env_var, fallback = case dir when "home" ["BUNDLE_USER_HOME", proc { Pathname.new(user_home).join(".bundle") }] when "cache" ["BUNDLE_USER_CACHE", proc { user_bundle_path.join("cache") }] when "config" ["BUNDLE_USER_CONFIG", proc { user_bundle_path.join("config") }] when "plugin" ["BUNDLE_USER_PLUGIN", proc { user_bundle_path.join("plugin") }] else raise BundlerError, "Unknown user path requested: #{dir}" end # `fallback` will already be a Pathname, but Pathname.new() is # idempotent so it's OK Pathname.new(ENV.fetch(env_var, &fallback)) end def user_cache user_bundle_path("cache") end def home bundle_path.join("bundler") end def install_path home.join("gems") end def specs_path bundle_path.join("specifications") end def root @root ||= begin SharedHelpers.root rescue GemfileNotFound bundle_dir = default_bundle_dir raise GemfileNotFound, "Could not locate Gemfile or .bundle/ directory" unless bundle_dir Pathname.new(File.expand_path("..", bundle_dir)) end end def app_config_path if app_config = ENV["BUNDLE_APP_CONFIG"] app_config_pathname = Pathname.new(app_config) if app_config_pathname.absolute? app_config_pathname else app_config_pathname.expand_path(root) end else root.join(".bundle") end end def app_cache(custom_path = nil) path = custom_path || root Pathname.new(path).join(settings.app_cache_path) end def tmp(name = Process.pid.to_s) Kernel.send(:require, "tmpdir") Pathname.new(Dir.mktmpdir(["bundler", name])) end def rm_rf(path) FileUtils.remove_entry_secure(path) if path && File.exist?(path) rescue ArgumentError message = <<EOF It is a security vulnerability to allow your home directory to be world-writable, and bundler can not continue. You should probably consider fixing this issue by running `chmod o-w ~` on *nix. Please refer to https://ruby-doc.org/stdlib-2.1.2/libdoc/fileutils/rdoc/FileUtils.html#method-c-remove_entry_secure for details. EOF File.world_writable?(path) ? Bundler.ui.warn(message) : raise raise PathError, "Please fix the world-writable issue with your #{path} directory" end def settings @settings ||= Settings.new(app_config_path) rescue GemfileNotFound @settings = Settings.new(Pathname.new(".bundle").expand_path) end # @return [Hash] Environment present before Bundler was activated def original_env ORIGINAL_ENV.clone end # @deprecated Use `unbundled_env` instead def clean_env Bundler::SharedHelpers.major_deprecation( 2, "`Bundler.clean_env` has been deprecated in favor of `Bundler.unbundled_env`. " \ "If you instead want the environment before bundler was originally loaded, use `Bundler.original_env`", :print_caller_location => true ) unbundled_env end # @return [Hash] Environment with all bundler-related variables removed def unbundled_env env = original_env if env.key?("BUNDLER_ORIG_MANPATH") env["MANPATH"] = env["BUNDLER_ORIG_MANPATH"] end env.delete_if {|k, _| k[0, 7] == "BUNDLE_" } if env.key?("RUBYOPT") rubyopt = env["RUBYOPT"].split(" ") rubyopt.delete("-r#{File.expand_path("bundler/setup", __dir__)}") rubyopt.delete("-rbundler/setup") env["RUBYOPT"] = rubyopt.join(" ") end if env.key?("RUBYLIB") rubylib = env["RUBYLIB"].split(File::PATH_SEPARATOR) rubylib.delete(File.expand_path("..", __FILE__)) env["RUBYLIB"] = rubylib.join(File::PATH_SEPARATOR) end env end # Run block with environment present before Bundler was activated def with_original_env with_env(original_env) { yield } end # @deprecated Use `with_unbundled_env` instead def with_clean_env Bundler::SharedHelpers.major_deprecation( 2, "`Bundler.with_clean_env` has been deprecated in favor of `Bundler.with_unbundled_env`. " \ "If you instead want the environment before bundler was originally loaded, use `Bundler.with_original_env`", :print_caller_location => true ) with_env(unbundled_env) { yield } end # Run block with all bundler-related variables removed def with_unbundled_env with_env(unbundled_env) { yield } end # Run subcommand with the environment present before Bundler was activated def original_system(*args) with_original_env { Kernel.system(*args) } end # @deprecated Use `unbundled_system` instead def clean_system(*args) Bundler::SharedHelpers.major_deprecation( 2, "`Bundler.clean_system` has been deprecated in favor of `Bundler.unbundled_system`. " \ "If you instead want to run the command in the environment before bundler was originally loaded, use `Bundler.original_system`", :print_caller_location => true ) with_env(unbundled_env) { Kernel.system(*args) } end # Run subcommand in an environment with all bundler related variables removed def unbundled_system(*args) with_unbundled_env { Kernel.system(*args) } end # Run a `Kernel.exec` to a subcommand with the environment present before Bundler was activated def original_exec(*args) with_original_env { Kernel.exec(*args) } end # @deprecated Use `unbundled_exec` instead def clean_exec(*args) Bundler::SharedHelpers.major_deprecation( 2, "`Bundler.clean_exec` has been deprecated in favor of `Bundler.unbundled_exec`. " \ "If you instead want to exec to a command in the environment before bundler was originally loaded, use `Bundler.original_exec`", :print_caller_location => true ) with_env(unbundled_env) { Kernel.exec(*args) } end # Run a `Kernel.exec` to a subcommand in an environment with all bundler related variables removed def unbundled_exec(*args) with_env(unbundled_env) { Kernel.exec(*args) } end def local_platform return Gem::Platform::RUBY if settings[:force_ruby_platform] || Gem.platforms == [Gem::Platform::RUBY] Gem::Platform.local end def default_gemfile SharedHelpers.default_gemfile end def default_lockfile SharedHelpers.default_lockfile end def default_bundle_dir SharedHelpers.default_bundle_dir end def system_bindir # Gem.bindir doesn't always return the location that RubyGems will install # system binaries. If you put '-n foo' in your .gemrc, RubyGems will # install binstubs there instead. Unfortunately, RubyGems doesn't expose # that directory at all, so rather than parse .gemrc ourselves, we allow # the directory to be set as well, via `bundle config set --local bindir foo`. Bundler.settings[:system_bindir] || Bundler.rubygems.gem_bindir end def preferred_gemfile_name Bundler.settings[:init_gems_rb] ? "gems.rb" : "Gemfile" end def use_system_gems? configured_bundle_path.use_system_gems? end def requires_sudo? return @requires_sudo if defined?(@requires_sudo_ran) sudo_present = which "sudo" if settings.allow_sudo? if sudo_present # the bundle path and subdirectories need to be writable for RubyGems # to be able to unpack and install gems without exploding path = bundle_path path = path.parent until path.exist? # bins are written to a different location on OS X bin_dir = Pathname.new(Bundler.system_bindir) bin_dir = bin_dir.parent until bin_dir.exist? # if any directory is not writable, we need sudo files = [path, bin_dir] | Dir[bundle_path.join("build_info/*").to_s] | Dir[bundle_path.join("*").to_s] unwritable_files = files.reject {|f| File.writable?(f) } sudo_needed = !unwritable_files.empty? if sudo_needed Bundler.ui.warn "Following files may not be writable, so sudo is needed:\n #{unwritable_files.map(&:to_s).sort.join("\n ")}" end end @requires_sudo_ran = true @requires_sudo = settings.allow_sudo? && sudo_present && sudo_needed end def mkdir_p(path, options = {}) if requires_sudo? && !options[:no_sudo] sudo "mkdir -p '#{path}'" unless File.exist?(path) else SharedHelpers.filesystem_access(path, :write) do |p| FileUtils.mkdir_p(p) end end end def which(executable) if File.file?(executable) && File.executable?(executable) executable elsif paths = ENV["PATH"] quote = '"'.freeze paths.split(File::PATH_SEPARATOR).find do |path| path = path[1..-2] if path.start_with?(quote) && path.end_with?(quote) executable_path = File.expand_path(executable, path) return executable_path if File.file?(executable_path) && File.executable?(executable_path) end end end def sudo(str) SUDO_MUTEX.synchronize do prompt = "\n\n" + <<-PROMPT.gsub(/^ {6}/, "").strip + " " Your user account isn't allowed to install to the system RubyGems. You can cancel this installation and run: bundle config set --local path 'vendor/bundle' bundle install to install the gems into ./vendor/bundle/, or you can enter your password and install the bundled gems to RubyGems using sudo. Password: PROMPT unless @prompted_for_sudo ||= system(%(sudo -k -p "#{prompt}" true)) raise SudoNotPermittedError, "Bundler requires sudo access to install at the moment. " \ "Try installing again, granting Bundler sudo access when prompted, or installing into a different path." end `sudo -p "#{prompt}" #{str}` end end def read_file(file) SharedHelpers.filesystem_access(file, :read) do File.open(file, "r:UTF-8", &:read) end end def load_marshal(data) Marshal.load(data) rescue StandardError => e raise MarshalError, "#{e.class}: #{e.message}" end def load_gemspec(file, validate = false) @gemspec_cache ||= {} key = File.expand_path(file) @gemspec_cache[key] ||= load_gemspec_uncached(file, validate) # Protect against caching side-effected gemspecs by returning a # new instance each time. @gemspec_cache[key].dup if @gemspec_cache[key] end def load_gemspec_uncached(file, validate = false) path = Pathname.new(file) contents = read_file(file) spec = if contents.start_with?("---") # YAML header eval_yaml_gemspec(path, contents) else # Eval the gemspec from its parent directory, because some gemspecs # depend on "./" relative paths. SharedHelpers.chdir(path.dirname.to_s) do eval_gemspec(path, contents) end end return unless spec spec.loaded_from = path.expand_path.to_s Bundler.rubygems.validate(spec) if validate spec end def clear_gemspec_cache @gemspec_cache = {} end def git_present? return @git_present if defined?(@git_present) @git_present = Bundler.which("git") || Bundler.which("git.exe") end def feature_flag @feature_flag ||= FeatureFlag.new(VERSION) end def reset! reset_paths! Plugin.reset! reset_rubygems! end def reset_settings_and_root! @settings = nil @root = nil end def reset_paths! @bin_path = nil @bundler_major_version = nil @bundle_path = nil @configured = nil @configured_bundle_path = nil @definition = nil @load = nil @locked_gems = nil @root = nil @settings = nil @setup = nil @user_home = nil end def reset_rubygems! return unless defined?(@rubygems) && @rubygems rubygems.undo_replacements rubygems.reset @rubygems = nil end def configure_gem_home_and_path(path = bundle_path) configure_gem_path configure_gem_home(path) Bundler.rubygems.clear_paths end private def eval_yaml_gemspec(path, contents) require_relative "bundler/psyched_yaml" # If the YAML is invalid, Syck raises an ArgumentError, and Psych # raises a Psych::SyntaxError. See psyched_yaml.rb for more info. Gem::Specification.from_yaml(contents) rescue YamlLibrarySyntaxError, ArgumentError, Gem::EndOfYAMLException, Gem::Exception eval_gemspec(path, contents) end def eval_gemspec(path, contents) eval(contents, TOPLEVEL_BINDING.dup, path.expand_path.to_s) rescue ScriptError, StandardError => e msg = "There was an error while loading `#{path.basename}`: #{e.message}" raise GemspecError, Dsl::DSLError.new(msg, path, e.backtrace, contents) end def configure_gem_path unless use_system_gems? # this needs to be empty string to cause # PathSupport.split_gem_path to only load up the # Bundler --path setting as the GEM_PATH. Bundler::SharedHelpers.set_env "GEM_PATH", "" end end def configure_gem_home(path) Bundler::SharedHelpers.set_env "GEM_HOME", path.to_s end def tmp_home_path Kernel.send(:require, "tmpdir") SharedHelpers.filesystem_access(Dir.tmpdir) do path = Bundler.tmp at_exit { Bundler.rm_rf(path) } path end end # @param env [Hash] def with_env(env) backup = ENV.to_hash ENV.replace(env) yield ensure ENV.replace(backup) end end end