Sync Bundler and adapt to new spec setup

Author: deivid-rodriguez

spec/bin/parallel_rspec

@@ -1,12 +1,7 @@
 #!/usr/bin/env ruby
 # frozen_string_literal: true
 
-require_relative "../../spec/bundler/support/rubygems_ext"
-
-require_relative "../../spec/bundler/support/switch_rubygems"
-
-require "rubygems"
-$LOAD_PATH.unshift(File.expand_path("../../lib", __FILE__))
+require_relative "../bundler/support/setup"
 
 require "turbo_tests"
 TurboTests::CLI.new(ARGV).run

spec/bundler/bin/parallel_rspec

@@ -145,6 +145,12 @@ def sync_default_gems(gem)
       File.write("lib/bundler/bundler.gemspec", gemspec_content)
 
       cp_r("#{upstream}/bundler/spec", "spec/bundler")
+      rm_rf("spec/bundler/bin")
+
+      parallel_tests_content = File.read("#{upstream}/bundler/bin/parallel_rspec").gsub("../spec", "../bundler")
+      File.write("spec/bin/parallel_rspec", parallel_tests_content)
+      chmod("+x", "spec/bin/parallel_rspec")
+
       %w[dev_gems test_gems rubocop_gems standard_gems].each do |gemfile|
         cp_r("#{upstream}/tool/bundler/#{gemfile}.rb", "tool/bundler")
       end