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

3 files changed, 23 insertions, 16 deletions

diff --git a/lib/bundler/plugin/api/source.rb b/lib/bundler/plugin/api/source.rb
index 5d3f58df92..586477efb5 100644
--- a/lib/bundler/plugin/api/source.rb
+++ b/lib/bundler/plugin/api/source.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
+
 require "uri"
-require "digest/sha1"
 
 module Bundler
   module Plugin
@@ -271,7 +271,7 @@ module Bundler
         end
 
         def uri_hash
-          Digest::SHA1.hexdigest(uri)
+          SharedHelpers.digest(:SHA1).hexdigest(uri)
         end
 
         # Note: Do not override if you don't know what you are doing.
@@ -293,6 +293,13 @@ module Bundler
         def bundler_plugin_api_source?
           true
         end
+
+        # @private
+        # This API on source might not be stable, and for now we expect plugins
+        # to download all specs in `#specs`, so we implement the method for
+        # compatibility purposes and leave it undocumented (and don't support)
+        # overriding it)
+        def double_check_for(*); end
       end
     end
   end
diff --git a/lib/bundler/plugin/installer.rb b/lib/bundler/plugin/installer.rb
index a50d0ceedd..5379c38979 100644
--- a/lib/bundler/plugin/installer.rb
+++ b/lib/bundler/plugin/installer.rb
@@ -13,12 +13,13 @@ module Bundler
 
       def install(names, options)
         version = options[:version] || [">= 0"]
-
-        if options[:git]
-          install_git(names, version, options)
-        else
-          sources = options[:source] || Bundler.rubygems.sources
-          install_rubygems(names, version, sources)
+        Bundler.settings.temporary(:lockfile_uses_separate_rubygems_sources => false, :disable_multisource => false) do
+          if options[:git]
+            install_git(names, version, options)
+          else
+            sources = options[:source] || Bundler.rubygems.sources
+            install_rubygems(names, version, sources)
+          end
         end
       end
 
diff --git a/lib/bundler/plugin/source_list.rb b/lib/bundler/plugin/source_list.rb
index 33f5e5afbd..f0e212205f 100644
--- a/lib/bundler/plugin/source_list.rb
+++ b/lib/bundler/plugin/source_list.rb
@@ -5,13 +5,6 @@ module Bundler
   # approptiate options to be used with Source classes for plugin installation
   module Plugin
     class SourceList < Bundler::SourceList
-      def initialize
-        @path_sources       = []
-        @git_sources        = []
-        @rubygems_aggregate = Plugin::Installer::Rubygems.new
-        @rubygems_sources   = []
-      end
-
       def add_git_source(options = {})
         add_source_to_list Plugin::Installer::Git.new(options), git_sources
       end
@@ -21,7 +14,13 @@ module Bundler
       end
 
       def all_sources
-        path_sources + git_sources + rubygems_sources
+        path_sources + git_sources + rubygems_sources + [metadata_source]
+      end
+
+    private
+
+      def rubygems_aggregate_class
+        Plugin::Installer::Rubygems
       end
     end
   end