Merge "Document the worker_threads option."

      first, so that any changes made to the system partition are done

      using the new recovery (new kernel, etc.).

  -t  (--worker_threads) <int>

      Specifies the number of worker-threads that will be used when

      generating patches for incremental updates (defaults to 3).

"""

import sys

        OPTIONS.aslr_mode = True

      else:

        OPTIONS.aslr_mode = False

    elif o in ("--worker_threads"):

    elif o in ("-t", "--worker_threads"):

      if a.isdigit():

        OPTIONS.worker_threads = int(a)

      else:

        raise ValueError("Cannot parse value %r for option %r - only "

                         "integers are allowed." % (a, o))

    elif o in ("-2", "--two_step"):

      OPTIONS.two_step = True

    elif o in ("--no_signing"):

    return True

  args = common.ParseOptions(argv, __doc__,

                             extra_opts="b:k:i:d:wne:a:2",

                             extra_opts="b:k:i:d:wne:t:a:2",

                             extra_long_opts=["board_config=",

                                              "package_key=",

                                              "incremental_from=",