# File lib/bundler.rb, line 183
    def tmp_home_path(login, warning)
      login ||= "unknown"
      Kernel.send(:require, "tmpdir")
      path = Pathname.new(Dir.tmpdir).join("bundler", "home")
      SharedHelpers.filesystem_access(path) do |tmp_home_path|
        unless tmp_home_path.exist?
          tmp_home_path.mkpath
          tmp_home_path.chmod(0o777)
        end
        tmp_home_path.join(login).tap(&:mkpath)
      end
    rescue RuntimeError => e
      raise e.exception("#{warning}\nBundler also failed to create a temporary home directory at `#{path}':\n#{e}")
    end