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

5 files changed, 7 insertions, 12 deletions

diff --git a/lib/bundler/fetcher/base.rb b/lib/bundler/fetcher/base.rb
index 271729a534..27987f670a 100644
--- a/lib/bundler/fetcher/base.rb
+++ b/lib/bundler/fetcher/base.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 module Bundler
   class Fetcher
     class Base
diff --git a/lib/bundler/fetcher/compact_index.rb b/lib/bundler/fetcher/compact_index.rb
index 97de88101b..cfc74d642c 100644
--- a/lib/bundler/fetcher/compact_index.rb
+++ b/lib/bundler/fetcher/compact_index.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "bundler/fetcher/base"
 require "bundler/worker"
 
@@ -61,7 +62,7 @@ module Bundler
       compact_index_request :fetch_spec
 
       def available?
-        return nil unless md5_available?
+        return nil unless SharedHelpers.md5_available?
         user_home = Bundler.user_home
         return nil unless user_home.directory? && user_home.writable?
         # Read info file checksums out of /versions, so we can know if gems are up to date
@@ -120,16 +121,6 @@ module Bundler
           Net::HTTPNotModified.new(nil, nil, nil)
         end
       end
-
-      def md5_available?
-        require "openssl"
-        OpenSSL::Digest::MD5.digest("")
-        true
-      rescue LoadError
-        true
-      rescue OpenSSL::Digest::DigestError
-        false
-      end
     end
   end
 end
diff --git a/lib/bundler/fetcher/dependency.rb b/lib/bundler/fetcher/dependency.rb
index 445b0f2332..1430d1ebeb 100644
--- a/lib/bundler/fetcher/dependency.rb
+++ b/lib/bundler/fetcher/dependency.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "bundler/fetcher/base"
 require "cgi"
 
@@ -6,7 +7,7 @@ module Bundler
   class Fetcher
     class Dependency < Base
       def available?
-        fetch_uri.scheme != "file" && downloader.fetch(dependency_api_uri)
+        @available ||= fetch_uri.scheme != "file" && downloader.fetch(dependency_api_uri)
       rescue NetworkDownError => e
         raise HTTPError, e.message
       rescue AuthenticationRequiredError
diff --git a/lib/bundler/fetcher/downloader.rb b/lib/bundler/fetcher/downloader.rb
index 453e4645eb..cbc5e220bd 100644
--- a/lib/bundler/fetcher/downloader.rb
+++ b/lib/bundler/fetcher/downloader.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 module Bundler
   class Fetcher
     class Downloader
diff --git a/lib/bundler/fetcher/index.rb b/lib/bundler/fetcher/index.rb
index d8e212989e..9529944391 100644
--- a/lib/bundler/fetcher/index.rb
+++ b/lib/bundler/fetcher/index.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "bundler/fetcher/base"
 require "rubygems/remote_fetcher"