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'''
lock.py - this file is part of S3QL.
Copyright © 2008 Nikolaus Rath <Nikolaus@rath.org>
This work can be distributed under the terms of the GNU GPLv3.
'''
from .logging import logging, setup_logging, QuietError
from .common import assert_fs_owner
from .parse_args import ArgumentParser
import llfuse
import os
import sys
import textwrap
log = logging.getLogger(__name__)
def parse_args(args):
'''Parse command line'''
parser = ArgumentParser(
description=textwrap.dedent('''\
Makes the given directory tree(s) immutable. No changes of any sort can
be performed on the tree after that. Immutable entries can only be
deleted with s3qlrm.
'''))
parser.add_debug()
parser.add_quiet()
parser.add_version()
parser.add_fatal_warnings()
parser.add_argument('path', metavar='<path>', nargs='+',
help='Directories to make immutable.',
type=(lambda x: x.rstrip('/')))
return parser.parse_args(args)
def main(args=None):
'''Make directory tree immutable'''
if args is None:
args = sys.argv[1:]
options = parse_args(args)
setup_logging(options)
for name in options.path:
if os.path.ismount(name):
raise QuietError('%s is a mount point.' % name)
ctrlfile = assert_fs_owner(name)
fstat = os.stat(name)
llfuse.setxattr(ctrlfile, 'lock', ('%d' % fstat.st_ino).encode())
if __name__ == '__main__':
main(sys.argv[1:])
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