module Gem

def glob_files_in_dir(glob, base_path)
  if RUBY_VERSION >= "2.5"
    Dir.glob(glob, :base => base_path).map! {|f| File.expand_path(f, base_path) }
  else
    Dir.glob(File.join(base_path.to_s.gsub(/[\[\]]/, '\\\\\\&'), glob)).map! {|f| File.expand_path(f) }
  end
end