class Bundler::Definition

def lock(file)
  contents = to_lock
  # Convert to \r\n if the existing lock has them
  # i.e., Windows with `git config core.autocrlf=true`
  contents.gsub!(/\n/, "\r\n") if @lockfile_contents.match("\r\n")
  return if @lockfile_contents == contents
  if Bundler.settings[:frozen]
    # TODO: Warn here if we got here.
    return
  end
  File.open(file, 'wb'){|f| f.puts(contents) }
end