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# Deb-o-Matic - Repository module
#
# Copyright (C) 2011-2025 Luca Falavigna
#
# Authors: Luca Falavigna <dktrkranz@debian.org>
#
# 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 3 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, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
#
# Generate local repository of built packages
import os
from fcntl import flock, LOCK_EX, LOCK_NB, LOCK_SH, LOCK_UN
from shutil import rmtree
from stat import S_IRWXU, S_IRGRP, S_IXGRP, S_IROTH, S_IXOTH
from subprocess import Popen, PIPE
from tempfile import mkdtemp, mkstemp
class DebomaticModule_Repository:
def __init__(self):
self.af = '/usr/bin/apt-ftparchive'
self.gpg = '/usr/bin/gpg'
def pre_build(self, args):
self.update_repository(args)
def post_build(self, args):
self.update_repository(args)
def pre_chroot(self, args):
if args.action:
self.update_repository(args)
class Lock:
def __init__(self, distribution, architecture):
self._file = ('/tmp/debomatic-%s-%s.apt.lock' %
(distribution, architecture))
self._skip = False
def __enter__(self):
self._fd = open(self._file, 'w')
try:
flock(self._fd, LOCK_EX | LOCK_NB)
except IOError:
flock(self._fd, LOCK_SH)
self._skip = True
return self
def __exit__(self, exc_type, exc_value, traceback):
flock(self._fd, LOCK_UN)
self._fd.close()
def skip(self):
return self._skip
def update_repository(self, args):
if args.opts.has_section('repository'):
gpgkey = args.opts.get('repository', 'gpgkey')
keyring = args.opts.get('repository', 'keyring')
else:
return
if not os.access(self.af, os.X_OK):
return
if not os.access(self.gpg, os.X_OK):
return
distribution = os.path.basename(args.directory)
archive = args.directory
pool = os.path.join(archive, 'pool')
distslink = os.path.join(archive, 'dists', distribution)
if not os.path.islink(distslink):
if not os.path.isdir(os.path.join(archive, 'dists')):
os.makedirs(os.path.join(archive, 'dists'))
tmpdir = mkdtemp(prefix='.', dir=os.path.join(archive, 'dists'))
os.symlink(tmpdir, distslink)
dists = mkdtemp(prefix='.', dir=os.path.join(archive, 'dists'))
for arch in [a for a in (args.architecture,
args.hostarchitecture) if a is not None]:
packages = os.path.join(dists, 'main', 'binary-%s' % arch)
packages_file = os.path.join(packages, 'Packages')
arch_release_file = os.path.join(packages, 'Release')
release_file = os.path.join(dists, 'Release')
release_gpg = os.path.join(dists, 'Release.gpg')
inrelease_gpg = os.path.join(dists, 'InRelease')
for dir in (pool, packages):
if not os.path.isdir(dir):
os.makedirs(dir)
with self.Lock(distribution, arch) as lock:
if not lock.skip():
with open(packages_file, 'w') as fd:
Popen([self.af, '-a', arch, 'packages', 'pool'],
stdout=fd, stderr=PIPE, cwd=archive).wait()
with open(arch_release_file, 'w') as fd:
fd.write('Origin: Deb-O-Matic\n')
fd.write('Label: Deb-O-Matic\n')
fd.write('Archive: %s\n' % distribution)
fd.write('Component: main\n')
fd.write('Architecture: %s\n' % arch)
with open(release_file, 'w') as fd:
afstring = 'APT::FTPArchive::Release::'
Popen([self.af, '-qq',
'-o', '%sOrigin=Deb-o-Matic' % afstring,
'-o', '%sLabel=Deb-o-Matic' % afstring,
'-o', '%sSuite=%s' % (afstring, distribution),
'-o', '%sArchitectures=%s' % (afstring, arch),
'-o', '%sComponents=main' % afstring,
'release',
'dists/%s' % os.path.basename(dists)],
stdout=fd, stderr=PIPE, cwd=archive).wait()
with open(release_file, 'r+') as fd:
data = fd.read()
fd.seek(0)
fd.write(data.replace('MD5Sum',
'NotAutomatic: yes\nMD5Sum'))
with open(release_gpg, 'w') as fd:
Popen([self.gpg, '--no-default-keyring', '--homedir',
keyring, '-u', gpgkey, '--yes', '-a', '-o', fd.name,
'-b', release_file], cwd=archive).wait()
with open(inrelease_gpg, 'w') as fd:
Popen([self.gpg, '--no-default-keyring', '--homedir',
keyring, '-u', gpgkey, '--yes', '-a', '-o', fd.name,
'--clearsign', release_file], cwd=archive).wait()
olddists = os.readlink(distslink)
(tmp, tmplink) = mkstemp(prefix='.',
dir=os.path.dirname(olddists))
os.close(tmp)
os.unlink(tmplink)
os.symlink(dists, tmplink)
os.chmod(dists, S_IRWXU | S_IRGRP | S_IXGRP |
S_IROTH | S_IXOTH)
os.rename(tmplink, distslink)
try:
rmtree(olddists)
except FileNotFoundError:
pass
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