class Gem::Validator

def find_files_for_gem(gem_directory)
  installed_files = []
  Find.find gem_directory do |file_name|
    fn = file_name[gem_directory.size..file_name.size-1].sub(/^\//, "")
    installed_files << fn unless
      fn =~ /CVS/ || fn.empty? || File.directory?(file_name)
  end
  installed_files
end