~mvo/update-manager/aufs

#!/usr/bin/python

import warnings

warnings.filterwarnings("ignore", "apt API not stable yet", FutureWarning)

import apt

from UpdateManager.Core.MetaRelease import MetaReleaseCore

from UpdateManager.Core.DistUpgradeFetcherCore import DistUpgradeFetcherCore

from optparse import OptionParser

from gettext import gettext as _

import time

import sys

import urllib2

from DistUpgrade.utils import init_proxy

if __name__ == "__main__":

  init_proxy()

  parser = OptionParser()

  parser.add_option ("-d", "--devel-release", action="store_true",

                     dest="devel_release", default=False,

                     help=_("Check if upgrading to the latest devel release "

                          "is possible"))

  parser.add_option ("-p", "--proposed", action="store_true",

                     dest="proposed_release", default=False,

                     help=_("Try upgrading to the latest release using "

                            "the upgrader from $distro-proposed"))

  parser.add_option ("-m", "--mode", default="server",

                     dest="mode", 

                     help=_("Run in a special upgrade mode.\n"

                            "Currently 'desktop' for regular upgrades of "

                            "a desktop system and 'server' for server "

                            "systems are supported."))

  parser.add_option ("-f", "--frontend", default="DistUpgradeViewText",

                     dest="frontend", 

                     help=_("Run the specified frontend"))

  parser.add_option ("-s","--sandbox", action="store_true", default=False,

                     help=_("Test upgrade with a sandbox aufs overlay"))

  (options, args) = parser.parse_args()

  print _("Checking for a new ubuntu release")

  m = MetaReleaseCore(useDevelopmentRelease=options.devel_release,

                      useProposed=options.proposed_release)

  # this will timeout eventually

  while m.downloading:

	  time.sleep(0.5)

  if m.new_dist is None:

	  print _("No new release found")

	  sys.exit(1)

  # we have a new dist

  progress = apt.progress.TextFetchProgress()

  fetcher = DistUpgradeFetcherCore(new_dist=m.new_dist,

				   progress=progress)

  fetcher.run_options += ["--mode=%s" % options.mode,

                          "--frontend=%s" % options.frontend,

                          ]

  if options.sandbox:

    fetcher.run_options.append("--sandbox")

  fetcher.run()