Update bundled bundler to 1.16.0.

  * lib/bundler, spec/bundler: Merge bundler-1.16.0.
  * common.mk: rspec examples of bundler-1.16.0 needs require option.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60603 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 178 insertions, 76 deletions

diff --git a/lib/bundler/settings.rb b/lib/bundler/settings.rb
index 1898738b7c..f33e9453be 100644
--- a/lib/bundler/settings.rb
+++ b/lib/bundler/settings.rb
@@ -1,60 +1,89 @@
 # frozen_string_literal: true
+
 require "uri"
 
 module Bundler
   class Settings
     autoload :Mirror,  "bundler/mirror"
     autoload :Mirrors, "bundler/mirror"
+    autoload :Validator, "bundler/settings/validator"
 
-    BOOL_KEYS = %w(
+    BOOL_KEYS = %w[
+      allow_bundler_dependency_conflicts
+      allow_deployment_source_credential_changes
       allow_offline_install
+      auto_clean_without_path
       auto_install
       cache_all
       cache_all_platforms
+      cache_command_is_package
+      console_command
+      default_install_uses_path
+      deployment
+      deployment_means_frozen
       disable_checksum_validation
       disable_exec_load
       disable_local_branch_check
+      disable_multisource
       disable_shared_gems
       disable_version_check
+      error_on_stderr
       force_ruby_platform
+      forget_cli_options
       frozen
       gem.coc
       gem.mit
+      global_gem_cache
       ignore_messages
+      init_gems_rb
+      list_command
+      lockfile_uses_separate_rubygems_sources
       major_deprecations
       no_install
       no_prune
       only_update_to_newer_versions
+      path.system
       plugins
+      prefer_gems_rb
+      print_only_version_number
+      setup_makes_kernel_gem_public
       silence_root_warning
-    ).freeze
-
-    NUMBER_KEYS = %w(
+      skip_default_git_sources
+      specific_platform
+      suppress_install_using_messages
+      unlock_source_unlocks_spec
+      update_requires_all_flag
+    ].freeze
+
+    NUMBER_KEYS = %w[
       redirect
       retry
       ssl_verify_mode
       timeout
-    ).freeze
+    ].freeze
+
+    ARRAY_KEYS = %w[
+      with
+      without
+    ].freeze
 
     DEFAULT_CONFIG = {
+      :disable_version_check => true,
       :redirect => 5,
       :retry => 3,
       :timeout => 10,
     }.freeze
 
-    attr_accessor :cli_flags_given
-
     def initialize(root = nil)
       @root            = root
       @local_config    = load_config(local_config_file)
       @global_config   = load_config(global_config_file)
-      @cli_flags_given = false
       @temporary       = {}
     end
 
     def [](name)
       key = key_for(name)
-      value = @temporary.fetch(name) do
+      value = @temporary.fetch(key) do
               @local_config.fetch(key) do
               ENV.fetch(key) do
               @global_config.fetch(key) do
@@ -65,48 +94,59 @@ module Bundler
       converted_value(value, name)
     end
 
-    def []=(key, value)
-      if cli_flags_given
+    def set_command_option(key, value)
+      if Bundler.feature_flag.forget_cli_options?
+        temporary(key => value)
+        value
+      else
         command = if value.nil?
           "bundle config --delete #{key}"
         else
           "bundle config #{key} #{Array(value).join(":")}"
         end
 
-        Bundler::SharedHelpers.major_deprecation \
+        Bundler::SharedHelpers.major_deprecation 2,\
           "flags passed to commands " \
           "will no longer be automatically remembered. Instead please set flags " \
           "you want remembered between commands using `bundle config " \
           "<setting name> <setting value>`, i.e. `#{command}`"
+
+        set_local(key, value)
       end
+    end
+
+    def set_command_option_if_given(key, value)
+      return if value.nil?
+      set_command_option(key, value)
+    end
+
+    def set_local(key, value)
       local_config_file || raise(GemfileNotFound, "Could not locate Gemfile")
+
       set_key(key, value, @local_config, local_config_file)
     end
-    alias_method :set_local, :[]=
 
     def temporary(update)
-      existing = Hash[update.map {|k, _| [k, @temporary[k]] }]
-      @temporary.update(update)
+      existing = Hash[update.map {|k, _| [k, @temporary[key_for(k)]] }]
+      update.each do |k, v|
+        set_key(k, v, @temporary, nil)
+      end
       return unless block_given?
       begin
         yield
       ensure
-        existing.each {|k, v| v.nil? ? @temporary.delete(k) : @temporary[k] = v }
+        existing.each {|k, v| set_key(k, v, @temporary, nil) }
       end
     end
 
-    def delete(key)
-      @local_config.delete(key_for(key))
-    end
-
     def set_global(key, value)
       set_key(key, value, @global_config, global_config_file)
     end
 
     def all
-      env_keys = ENV.keys.select {|k| k =~ /BUNDLE_.*/ }
+      env_keys = ENV.keys.grep(/\ABUNDLE_.+/)
 
-      keys = @global_config.keys | @local_config.keys | env_keys
+      keys = @temporary.keys | @global_config.keys | @local_config.keys | env_keys
 
       keys.map do |key|
         key.sub(/^BUNDLE_/, "").gsub(/__/, ".").downcase
@@ -132,7 +172,7 @@ module Bundler
 
     def gem_mirrors
       all.inject(Mirrors.new) do |mirrors, k|
-        mirrors.parse(k, self[k]) if k =~ /^mirror\./
+        mirrors.parse(k, self[k]) if k.start_with?("mirror.")
         mirrors
       end
     end
@@ -140,6 +180,7 @@ module Bundler
     def locations(key)
       key = key_for(key)
       locations = {}
+      locations[:temporary] = @temporary[key] if @temporary.key?(key)
       locations[:local]  = @local_config[key] if @local_config.key?(key)
       locations[:env]    = ENV[key] if ENV[key]
       locations[:global] = @global_config[key] if @global_config.key?(key)
@@ -151,6 +192,11 @@ module Bundler
       key = key_for(exposed_key)
 
       locations = []
+
+      if @temporary.key?(key)
+        locations << "Set for the current command: #{converted_value(@temporary[key], exposed_key).inspect}"
+      end
+
       if @local_config.key?(key)
         locations << "Set for your local app (#{local_config_file}): #{converted_value(@local_config[key], exposed_key).inspect}"
       end
@@ -167,37 +213,56 @@ module Bundler
       locations
     end
 
-    def without=(array)
-      set_array(:without, array)
-    end
+    # for legacy reasons, the ruby scope isnt appended when the setting comes from ENV or the global config,
+    # nor do we respect :disable_shared_gems
+    def path
+      key  = key_for(:path)
+      path = ENV[key] || @global_config[key]
+      if path && !@temporary.key?(key) && !@local_config.key?(key)
+        return Path.new(path, false, false, false)
+      end
 
-    def with=(array)
-      set_array(:with, array)
+      system_path = self["path.system"] || (self[:disable_shared_gems] == false)
+      Path.new(self[:path], true, system_path, Bundler.feature_flag.default_install_uses_path?)
     end
 
-    def without
-      get_array(:without)
-    end
+    Path = Struct.new(:explicit_path, :append_ruby_scope, :system_path, :default_install_uses_path) do
+      def path
+        path = base_path
+        path = File.join(path, Bundler.ruby_scope) if append_ruby_scope && !use_system_gems?
+        path
+      end
 
-    def with
-      get_array(:with)
-    end
+      def use_system_gems?
+        return true if system_path
+        return false if explicit_path
+        !default_install_uses_path
+      end
 
-    # @local_config["BUNDLE_PATH"] should be prioritized over ENV["BUNDLE_PATH"]
-    def path
-      key  = key_for(:path)
-      path = ENV[key] || @global_config[key]
-      return path if path && !@local_config.key?(key)
+      def base_path
+        path = explicit_path
+        path ||= ".bundle" unless use_system_gems?
+        path ||= Bundler.rubygems.gem_dir
+        path
+      end
 
-      if path = self[:path]
-        "#{path}/#{Bundler.ruby_scope}"
-      else
-        Bundler.rubygems.gem_dir
+      def validate!
+        return unless explicit_path && system_path
+        path = Bundler.settings.pretty_values_for(:path)
+        path.unshift(nil, "path:") unless path.empty?
+        system_path = Bundler.settings.pretty_values_for("path.system")
+        system_path.unshift(nil, "path.system:") unless system_path.empty?
+        disable_shared_gems = Bundler.settings.pretty_values_for(:disable_shared_gems)
+        disable_shared_gems.unshift(nil, "disable_shared_gems:") unless disable_shared_gems.empty?
+        raise InvalidOption,
+          "Using a custom path while using system gems is unsupported.\n#{path.join("\n")}\n#{system_path.join("\n")}\n#{disable_shared_gems.join("\n")}"
       end
     end
 
     def allow_sudo?
-      !@local_config.key?(key_for(:path))
+      key = key_for(:path)
+      path_configured = @temporary.key?(key) || @local_config.key?(key)
+      !path_configured
     end
 
     def ignore_config?
@@ -205,14 +270,17 @@ module Bundler
     end
 
     def app_cache_path
-      @app_cache_path ||= begin
-        path = self[:cache_path] || "vendor/cache"
-        raise InvalidOption, "Cache path must be relative to the bundle path" if path.start_with?("/")
-        path
-      end
+      @app_cache_path ||= self[:cache_path] || "vendor/cache"
     end
 
-  private
+    def validate!
+      all.each do |raw_key|
+        [@local_config, ENV, @global_config].each do |settings|
+          value = converted_value(settings[key_for(raw_key)], raw_key)
+          Validator.validate!(raw_key, value, settings.to_hash.dup)
+        end
+      end
+    end
 
     def key_for(key)
       key = Settings.normalize_uri(key).to_s if key.is_a?(String) && /https?:/ =~ key
@@ -220,15 +288,17 @@ module Bundler
       "BUNDLE_#{key}"
     end
 
+  private
+
     def parent_setting_for(name)
-      split_specfic_setting_for(name)[0]
+      split_specific_setting_for(name)[0]
     end
 
-    def specfic_gem_for(name)
-      split_specfic_setting_for(name)[1]
+    def specific_gem_for(name)
+      split_specific_setting_for(name)[1]
     end
 
-    def split_specfic_setting_for(name)
+    def split_specific_setting_for(name)
       name.split(".")
     end
 
@@ -245,43 +315,57 @@ module Bundler
       end
     end
 
-    def is_num(value)
-      NUMBER_KEYS.include?(value.to_s)
+    def is_num(key)
+      NUMBER_KEYS.include?(key.to_s)
     end
 
-    def get_array(key)
-      self[key] ? self[key].split(":").map(&:to_sym) : []
+    def is_array(key)
+      ARRAY_KEYS.include?(key.to_s)
     end
 
-    def set_array(key, array)
-      self[key] = (array.empty? ? nil : array.join(":")) if array
+    def to_array(value)
+      return [] unless value
+      value.split(":").map(&:to_sym)
     end
 
-    def set_key(key, value, hash, file)
-      key = key_for(key)
+    def array_to_s(array)
+      array = Array(array)
+      return nil if array.empty?
+      array.join(":").tr(" ", ":")
+    end
 
-      unless hash[key] == value
-        hash[key] = value
-        hash.delete(key) if value.nil?
-        SharedHelpers.filesystem_access(file) do |p|
-          FileUtils.mkdir_p(p.dirname)
-          require "bundler/yaml_serializer"
-          p.open("w") {|f| f.write(YAMLSerializer.dump(hash)) }
-        end
-      end
+    def set_key(raw_key, value, hash, file)
+      raw_key = raw_key.to_s
+      value = array_to_s(value) if is_array(raw_key)
+
+      key = key_for(raw_key)
+
+      return if hash[key] == value
+
+      hash[key] = value
+      hash.delete(key) if value.nil?
 
-      value
+      Validator.validate!(raw_key, converted_value(value, raw_key), hash)
+
+      return unless file
+      SharedHelpers.filesystem_access(file) do |p|
+        FileUtils.mkdir_p(p.dirname)
+        require "bundler/yaml_serializer"
+        p.open("w") {|f| f.write(YAMLSerializer.dump(hash)) }
+      end
     end
 
     def converted_value(value, key)
-      if value.nil?
+      if is_array(key)
+        to_array(value)
+      elsif value.nil?
         nil
       elsif is_bool(key) || value == "false"
         to_bool(value)
       elsif is_num(key)
         value.to_i
       else
-        value
+        value.to_s
       end
     end
 
@@ -325,16 +409,34 @@ module Bundler
       end
     end
 
+    PER_URI_OPTIONS = %w[
+      fallback_timeout
+    ].freeze
+
+    NORMALIZE_URI_OPTIONS_PATTERN =
+      /
+        \A
+        (\w+\.)? # optional prefix key
+        (https?.*?) # URI
+        (\.#{Regexp.union(PER_URI_OPTIONS)})? # optional suffix key
+        \z
+      /ix
+
     # TODO: duplicates Rubygems#normalize_uri
     # TODO: is this the correct place to validate mirror URIs?
     def self.normalize_uri(uri)
       uri = uri.to_s
-      uri = "#{uri}/" unless uri =~ %r{/\Z}
+      if uri =~ NORMALIZE_URI_OPTIONS_PATTERN
+        prefix = $1
+        uri = $2
+        suffix = $3
+      end
+      uri = "#{uri}/" unless uri.end_with?("/")
       uri = URI(uri)
       unless uri.absolute?
         raise ArgumentError, format("Gem sources must be absolute. You provided '%s'.", uri)
       end
-      uri
+      "#{prefix}#{uri}#{suffix}"
     end
   end
 end