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#!/usr/bin/python3
# Compute the maximum required "cockpit" version from all pkg/*/manifest.json
# for computing rpm/deb package dependencies. This is a bit stricter than
# absolutely required, as only some subpackages might require a newer cockpit
# version, but doing this precisely would be much more complicated and error
# prone.
#
# Copyright (C) 2017 Red Hat, Inc.
#
# Cockpit is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
#
# Cockpit 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Cockpit; If not, see <http://www.gnu.org/licenses/>.
import sys
import os
import json
from glob import glob
proj_dir = os.path.dirname(os.path.dirname(os.path.realpath(sys.argv[0])))
max_version = ''
for manifest in glob('pkg/*/manifest.json'):
# if pkg names are given on the command line, then only look at those,
# otherwise on all of them
if len(sys.argv) > 1:
pkg = os.path.basename(os.path.dirname(manifest))
if pkg not in sys.argv[1:]:
continue
with open(manifest, encoding='UTF-8') as f:
requires = json.load(f).get('requires', {})
try:
v = requires['cockpit']
if v > max_version:
max_version = v
except KeyError:
sys.stderr.write('WARNING: %s lacks cockpit dependency\n' % manifest)
if not max_version:
sys.stderr.write('ERROR: Could not determine version\n')
sys.exit(1)
print(max_version)
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