debugging helper: borg debug-dump-archive-items

This commit is contained in:
Thomas Waldmann 2015-11-03 22:51:59 +01:00
parent f28d5d1f96
commit d2b7dbc0a8
1 changed files with 26 additions and 0 deletions

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@ -500,6 +500,20 @@ class Archiver:
print("warning: %s" % e)
return self.exit_code
def do_debug_dump_archive_items(self, args):
"""dump (decrypted, decompressed) archive items metadata (not: data)"""
repository = self.open_repository(args.archive)
manifest, key = Manifest.load(repository)
archive = Archive(repository, key, manifest, args.archive.archive)
for i, item_id in enumerate(archive.metadata[b'items']):
data = key.decrypt(item_id, repository.get(item_id))
filename = '%06d_%s.items' %(i, hexlify(item_id).decode('ascii'))
print('Dumping', filename)
with open(filename, 'wb') as fd:
fd.write(data)
print('Done.')
return EXIT_SUCCESS
helptext = {}
helptext['patterns'] = '''
Exclude patterns use a variant of shell pattern syntax, with '*' matching any
@ -985,6 +999,18 @@ class Archiver:
subparser.set_defaults(func=functools.partial(self.do_help, parser, subparsers.choices))
subparser.add_argument('topic', metavar='TOPIC', type=str, nargs='?',
help='additional help on TOPIC')
debug_dump_archive_items_epilog = textwrap.dedent("""
This command dumps raw (but decrypted and decompressed) archive items (only metadata) to files.
""")
subparser = subparsers.add_parser('debug-dump-archive-items', parents=[common_parser],
description=self.do_debug_dump_archive_items.__doc__,
epilog=debug_dump_archive_items_epilog,
formatter_class=argparse.RawDescriptionHelpFormatter)
subparser.set_defaults(func=self.do_debug_dump_archive_items)
subparser.add_argument('archive', metavar='ARCHIVE',
type=location_validator(archive=True),
help='archive to dump')
return parser
def parse_args(self, args=None):