core-agent-linux/misc/dnf-qubes-hooks.py

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# coding=utf-8
#
# The Qubes OS Project, http://www.qubes-os.org
#
# Copyright (C) 2015 Marek Marczykowski-Górecki
# <marmarek@invisiblethingslab.com>
#
# 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, either version 2 of the License, or
# (at your option) any later version.
#
# 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, see <http://www.gnu.org/licenses/>.
#
from __future__ import absolute_import
import logging
import dnf
import subprocess
PLUGIN_CONF = 'qubes-hooks'
class QubesHooks(dnf.Plugin):
name = 'qubes-hooks'
def __init__(self, base, cli):
super(QubesHooks, self).__init__(base, cli)
self.base = base
self.log = logging.getLogger('dnf')
def transaction(self):
config = self.read_config(self.base.conf, PLUGIN_CONF)
if config.getboolean('main', 'notify-updates'):
# Get all updates available _before_ this transaction
query = self.base.sack.query()
query = query.upgrades()
updates = set(query.run())
# Get packages installed in this transaction...
just_installed = self.base.transaction
# ...and filter them out of available updates
for item in just_installed:
for pkg in item.installs():
updates.discard(pkg)
subprocess.call([
'/usr/lib/qubes/qrexec-client-vm',
'dom0',
'qubes.NotifyUpdates',
'/bin/echo',
str(len(updates))
])
if config.getboolean('main', 'sync-appmenus'):
self.log.info("Sending application list and icons to dom0")
subprocess.call(['/usr/lib/qubes/qubes-trigger-sync-appmenus.sh'])