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#!/usr/bin/python3
# Copyright (C) 2011 Canonical
#
# Authors:
# Michael Vogt
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation; version 3.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
from __future__ import print_function
import argparse
from apt_clone import AptClone
if __name__ == "__main__":
# command line parser
parser = argparse.ArgumentParser(description="Clone/restore package info")
parser.add_argument("--debug", action="store_true", default=False,
help="enable debug output")
subparser = parser.add_subparsers(title="Commands")
# info
command = subparser.add_parser(
"info",
help="info about a apt-clone archive")
command.add_argument("source")
command.set_defaults(command="info")
# clone
command = subparser.add_parser(
"clone",
help="create a clone-file into <destination>. An alternative source dir can be specified with --source.")
command.add_argument("--source", default="/",
help="The source dir of the system or chroot, usually '/'")
command.add_argument("destination")
command.add_argument("--with-dpkg-repack",
action="store_true", default=False,
help="add no longer downloadable package to the state bundle (that can make it rather big)")
command.add_argument("--with-dpkg-status",
action="store_true", default=False,
help="include full copy of dpkg-status file, mostly useful for debugging")
command.set_defaults(command="clone")
# restore
command = subparser.add_parser(
"restore",
help="restore a clone file from <source>. An alternative destination can be given with --destination.")
command.add_argument("source")
command.add_argument("--destination", default="/")
command.add_argument("--simulate", action="store_true", default=False)
command.add_argument(
"--rewrite-server",
help="rewrite all URIs in sources.list to the specified url")
command.set_defaults(command="restore")
# restore on new distro
command = subparser.add_parser(
"restore-new-distro",
help="restore a clone file from <source> to <destination> and try "\
"upgrading along the way. this can be used so that the current "\
"release is cloned, a new install is done and then the old clone "\
"is installed")
command.add_argument("source")
command.add_argument("new_distro_codename")
command.add_argument("--destination", default="/")
command.add_argument("--simulate", action="store_true", default=False)
command.set_defaults(command="restore-new-distro")
# show-diff
command = subparser.add_parser(
"show-diff",
help="show the difference of a clone file from <source> to the system. "
"An alternative destination can be given with --destination.")
command.add_argument("source")
command.add_argument("--destination", default="/")
command.set_defaults(command="show-diff")
# parse
args = parser.parse_args()
if not hasattr(args, "command"):
parser.error("no command specified")
if args.debug:
import logging
logging.basicConfig(level=logging.DEBUG)
# do the actual work
clone = AptClone()
if args.command == "info":
info = clone.info(args.source)
print(info)
if args.command == "clone":
clone.save_state(args.source, args.destination,
args.with_dpkg_repack, args.with_dpkg_status)
print("not installable: %s" % ", ".join(clone.not_downloadable))
print("version mismatch: %s" % ", ".join(clone.version_mismatch))
if not args.with_dpkg_repack:
print("\nNote that you can use --with-dpkg-repack to include "
"those packges in the clone file.")
elif args.command == "restore":
if args.simulate:
miss = clone.simulate_restore_state(args.source)
print("missing: %s" % ",".join(sorted(list(miss))))
else:
clone.restore_state(args.source, args.destination,
mirror=args.rewrite_server)
elif args.command == "show-diff":
clone.show_diff(args.source, args.destination)
elif args.command == "restore-new-distro":
# this is a bit of magic, the idea is that if we clone into a new
# release and we are on it already we do not want to remove
# packages because they are probably new defaults pkgs. If however
# we are not yet on the new release its fine to remove installed
# pkgs as part of the upgrade
import lsb_release
codename = lsb_release.get_lsb_information()["CODENAME"]
if (args.new_distro_codename and args.new_distro_codename == codename):
protect_installed = True
else:
protect_installed = False
if args.simulate:
miss = clone.simulate_restore_state(
args.source, args.new_distro_codename)
print("missing: %s" % ",".join(sorted(list(miss))))
else:
clone.restore_state(
args.source, args.destination, args.new_distro_codename, protect_installed)
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