Bump net-http-persistent to 3.0.1

* Adds an extra artifice task to vendorize new `connection_pool`
dependency.

* Cherry-pick's needed Windows fix not yet merged into master branch of
`net-http-persistent`.

* Update bundler usages to be compatible with the new version, and fix
unit specs.

1 files changed, 6 insertions, 4 deletions

diff --git a/lib/bundler/vendored_persistent.rb b/lib/bundler/vendored_persistent.rb
index 7670b83992..045a761dac 100644
--- a/lib/bundler/vendored_persistent.rb
+++ b/lib/bundler/vendored_persistent.rb
@@ -20,13 +20,15 @@ require_relative "vendor/net-http-persistent/lib/net/http/persistent"
 module Bundler
   class PersistentHTTP < Persistent::Net::HTTP::Persistent
     def connection_for(uri)
-      connection = super
-      warn_old_tls_version_rubygems_connection(uri, connection)
-      connection
+      super(uri) do |connection|
+        result = yield connection
+        warn_old_tls_version_rubygems_connection(uri, connection)
+        result
+      end
     end
 
     def warn_old_tls_version_rubygems_connection(uri, connection)
-      return unless connection.use_ssl?
+      return unless connection.http.use_ssl?
       return unless (uri.host || "").end_with?("rubygems.org")
 
       socket = connection.instance_variable_get(:@socket)