/usr/bin/do-release-upgrade is in ubuntu-release-upgrader-core 1:0.220.2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 | #!/usr/bin/python3
from __future__ import print_function
import warnings
warnings.filterwarnings("ignore", "apt API not stable yet", FutureWarning)
from DistUpgrade.DistUpgradeVersion import VERSION
from UpdateManager.Core.MetaRelease import MetaReleaseCore
from optparse import OptionParser
import locale
import gettext
import os
import sys
import time
from UpdateManager.Core.utils import init_proxy
RELEASE_AVAILABLE=0
NO_RELEASE_AVAILABLE=1
def get_fetcher(frontend, new_dist, datadir):
if frontend == "DistUpgradeViewGtk3":
from DistUpgrade.DistUpgradeFetcher import DistUpgradeFetcherGtk
from DistUpgrade.GtkProgress import GtkAcquireProgress
progress = GtkAcquireProgress(
None,
datadir,
_("Downloading the release upgrade tool"))
return DistUpgradeFetcherGtk(new_dist=new_dist,
progress=progress,
parent=None,
datadir=datadir)
else:
from DistUpgrade.DistUpgradeFetcherCore import DistUpgradeFetcherCore
import apt
progress = apt.progress.text.AcquireProgress()
return DistUpgradeFetcherCore(new_dist, progress)
if __name__ == "__main__":
#FIXME: Workaround a bug in optparser which doesn't handle unicode/str
# correctly, see http://bugs.python.org/issue4391
# Should be resolved by Python3
gettext.bindtextdomain("ubuntu-release-upgrader", "/usr/share/locale")
gettext.textdomain("ubuntu-release-upgrader")
translation = gettext.translation("ubuntu-release-upgrader", fallback=True)
if sys.version >= '3':
_ = translation.gettext
else:
_ = translation.ugettext
try:
locale.setlocale(locale.LC_ALL, "")
except:
pass
init_proxy()
# when run as "check-new-release" we go into "check only" mode
check_only = sys.argv[0].endswith("check-new-release")
parser = OptionParser()
parser.add_option ("-V", "--version", action="store_true",
dest="show_version", default=False,
help=_("Show version and exit"))
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 ("--data-dir", "",
default="/usr/share/ubuntu-release-upgrader/",
help=_("Directory that contains the data files"))
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"))
parser.add_option ("-c", "--check-dist-upgrade-only", action="store_true",
default=check_only,
help=_("Check only if a new distribution release is "
"available and report the result via the "
"exit code"))
parser.add_option ("-q", "--quiet", default=False, action="store_true",
dest="quiet")
(options, args) = parser.parse_args()
if options.show_version:
print("%s: version %s" % (os.path.basename(sys.argv[0]), VERSION))
sys.exit(0)
if options.devel_release and options.proposed_release:
print(_("The options --devel-release and --proposed are"))
print(_("mutually exclusive. Please use only one of them."))
sys.exit(1)
if not options.quiet:
print(_("Checking for a new Ubuntu release"))
m = MetaReleaseCore(useDevelopmentRelease=options.devel_release,
useProposed=options.proposed_release)
# this will timeout eventually
m.downloaded.wait()
# make sure to inform the user if his distro is no longer supported
# this will make it appear in motd (that calls do-release-upgrade in
# check-new-release mode)
if m.no_longer_supported is not None:
url = "http://www.ubuntu.com/releaseendoflife"
print(_("Your Ubuntu release is not supported anymore."))
print(_("For upgrade information, please visit:\n"
"%(url)s\n") % { 'url' : url })
# now inform about a new release
if m.new_dist is None:
if not options.quiet:
print(_("No new release found"))
sys.exit(NO_RELEASE_AVAILABLE)
if m.new_dist.upgrade_broken:
if not options.quiet:
print(_("Release upgrade not possible right now"))
print(_("The release upgrade can not be performed currently, "
"please try again later. The server reported: '%s'") % m.new_dist.upgrade_broken)
sys.exit(NO_RELEASE_AVAILABLE)
# we have a new dist
if options.check_dist_upgrade_only:
print(_("New release '%s' available.") % m.new_dist.version)
print(_("Run 'do-release-upgrade' to upgrade to it."))
sys.exit(RELEASE_AVAILABLE)
fetcher = get_fetcher(options.frontend, m.new_dist, options.data_dir)
fetcher.run_options += ["--mode=%s" % options.mode,
"--frontend=%s" % options.frontend,
]
if options.sandbox:
fetcher.run_options.append("--sandbox")
if options.devel_release:
fetcher.run_options.append("--devel-release")
fetcher.run()
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