forked from borgmatic-collective/borgmatic
Skip auto-exclusion of special files when user explicitly sets read_special to true (#587).
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902730df46
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a31ce337e9
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@ -332,7 +332,6 @@ def create_archive(
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upload_rate_limit = storage_config.get('upload_rate_limit', None)
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umask = storage_config.get('umask', None)
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lock_wait = storage_config.get('lock_wait', None)
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read_special = True if (location_config.get('read_special') or stream_processes) else False
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files_cache = location_config.get('files_cache')
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archive_name_format = storage_config.get('archive_name_format', DEFAULT_ARCHIVE_NAME_FORMAT)
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extra_borg_options = storage_config.get('extra_borg_options', {}).get('create', '')
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@ -384,7 +383,7 @@ def create_archive(
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+ atime_flags
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+ (('--noctime',) if location_config.get('ctime') is False else ())
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+ (('--nobirthtime',) if location_config.get('birthtime') is False else ())
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+ (('--read-special',) if read_special else ())
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+ (('--read-special',) if location_config.get('read_special') or stream_processes else ())
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+ noflags_flags
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+ (('--files-cache', files_cache) if files_cache else ())
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+ (('--remote-path', remote_path) if remote_path else ())
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@ -410,8 +409,9 @@ def create_archive(
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borg_environment = environment.make_environment(storage_config)
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# If read_special is enabled, exclude files that might cause Borg to hang.
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if read_special:
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# If database hooks are enabled (as indicated by streaming processes), exclude files that might
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# cause Borg to hang. But skip this if the user has explicitly set the "read_special" to True.
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if stream_processes and not location_config.get('read_special'):
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logger.debug(f'{repository}: Collecting special file paths')
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special_file_paths = collect_special_file_paths(
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create_command,
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@ -217,7 +217,11 @@ special files are excluded from backups (named pipes, block devices,
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character devices, and sockets) to prevent hanging. Try a command like
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`find /your/source/path -type b -or -type c -or -type p -or -type s` to find
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such files. Common directories to exclude are `/dev` and `/run`, but that may
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not be exhaustive.
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not be exhaustive. <span class="minilink minilink-addedin">New in version
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1.7.3</span> When database hooks are enabled, borgmatic automatically excludes
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special files that may cause Borg to hang, so you no longer need to manually
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exclude them. You can override/prevent this behavior by explicitly setting
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`read_special` to true.
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### Manual restoration
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@ -273,3 +277,7 @@ Alternatively, if excluding special files is too onerous, you can create two
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separate borgmatic configuration files—one for your source files and a
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separate one for backing up databases. That way, the database `read_special`
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option will not be active when backing up special files.
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<span class="minilink minilink-addedin">New in version 1.7.3</span> See
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Limitations above about borgmatic's automatic exclusion of special files to
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prevent Borg hangs.
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@ -1147,62 +1147,6 @@ def test_create_archive_with_read_special_calls_borg_with_read_special_parameter
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)
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def test_create_archive_with_read_special_adds_special_files_to_excludes():
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flexmock(module).should_receive('collect_borgmatic_source_directories').and_return([])
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flexmock(module).should_receive('deduplicate_directories').and_return(('foo', 'bar'))
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flexmock(module).should_receive('map_directories_to_devices').and_return({})
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flexmock(module).should_receive('expand_directories').and_return(())
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flexmock(module).should_receive('pattern_root_directories').and_return([])
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flexmock(module.os.path).should_receive('expanduser').and_raise(TypeError)
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flexmock(module).should_receive('expand_home_directories').and_return(()).and_return(
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('special',)
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)
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flexmock(module).should_receive('write_pattern_file').and_return(None).and_return(
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flexmock(name='/excludes')
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)
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flexmock(module.feature).should_receive('available').and_return(True)
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flexmock(module).should_receive('ensure_files_readable')
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flexmock(module).should_receive('make_pattern_flags').and_return(())
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flexmock(module).should_receive('make_exclude_flags').and_return(()).and_return(
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'--exclude-from', '/excludes'
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)
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flexmock(module.flags).should_receive('make_repository_archive_flags').and_return(
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(f'repo::{DEFAULT_ARCHIVE_NAME}',)
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)
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flexmock(module.environment).should_receive('make_environment')
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flexmock(module).should_receive('collect_special_file_paths').and_return(('special',))
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create_command = ('borg', 'create', '--read-special') + REPO_ARCHIVE_WITH_PATHS
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flexmock(module).should_receive('execute_command').with_args(
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create_command + ('--dry-run', '--list'),
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output_log_level=logging.INFO,
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output_file=None,
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borg_local_path='borg',
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working_directory=None,
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extra_environment=None,
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)
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flexmock(module).should_receive('execute_command').with_args(
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create_command + ('--exclude-from', '/excludes'),
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output_log_level=logging.INFO,
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output_file=None,
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borg_local_path='borg',
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working_directory=None,
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extra_environment=None,
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)
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module.create_archive(
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dry_run=False,
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repository='repo',
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location_config={
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'source_directories': ['foo', 'bar'],
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'repositories': ['repo'],
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'read_special': True,
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'exclude_patterns': None,
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},
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storage_config={},
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local_borg_version='1.2.3',
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)
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@pytest.mark.parametrize(
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'option_name,option_value',
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(('ctime', True), ('ctime', False), ('birthtime', True), ('birthtime', False),),
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@ -1911,6 +1855,131 @@ def test_create_archive_with_stream_processes_ignores_read_special_false_and_log
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)
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def test_create_archive_with_stream_processes_adds_special_files_to_excludes():
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processes = flexmock()
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flexmock(module).should_receive('collect_borgmatic_source_directories').and_return([])
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flexmock(module).should_receive('deduplicate_directories').and_return(('foo', 'bar'))
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flexmock(module).should_receive('map_directories_to_devices').and_return({})
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flexmock(module).should_receive('expand_directories').and_return(())
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flexmock(module).should_receive('pattern_root_directories').and_return([])
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flexmock(module.os.path).should_receive('expanduser').and_raise(TypeError)
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flexmock(module).should_receive('expand_home_directories').and_return(()).and_return(
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('special',)
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)
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flexmock(module).should_receive('write_pattern_file').and_return(None).and_return(
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flexmock(name='/excludes')
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)
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flexmock(module.feature).should_receive('available').and_return(True)
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flexmock(module).should_receive('ensure_files_readable')
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flexmock(module).should_receive('make_pattern_flags').and_return(())
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flexmock(module).should_receive('make_exclude_flags').and_return(()).and_return(
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'--exclude-from', '/excludes'
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)
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flexmock(module.flags).should_receive('make_repository_archive_flags').and_return(
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(f'repo::{DEFAULT_ARCHIVE_NAME}',)
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)
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flexmock(module.environment).should_receive('make_environment')
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flexmock(module).should_receive('collect_special_file_paths').and_return(('special',))
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create_command = (
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'borg',
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'create',
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'--one-file-system',
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'--read-special',
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) + REPO_ARCHIVE_WITH_PATHS
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flexmock(module).should_receive('execute_command_with_processes').with_args(
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create_command + ('--dry-run', '--list'),
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processes=processes,
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output_log_level=logging.INFO,
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output_file=None,
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borg_local_path='borg',
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working_directory=None,
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extra_environment=None,
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)
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flexmock(module).should_receive('execute_command_with_processes').with_args(
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create_command + ('--exclude-from', '/excludes'),
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processes=processes,
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output_log_level=logging.INFO,
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output_file=None,
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borg_local_path='borg',
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working_directory=None,
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extra_environment=None,
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)
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module.create_archive(
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dry_run=False,
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repository='repo',
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location_config={
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'source_directories': ['foo', 'bar'],
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'repositories': ['repo'],
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'exclude_patterns': None,
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},
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storage_config={},
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local_borg_version='1.2.3',
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stream_processes=processes,
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)
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def test_create_archive_with_stream_processes_and_read_special_does_not_add_special_files_to_excludes():
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processes = flexmock()
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flexmock(module).should_receive('collect_borgmatic_source_directories').and_return([])
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flexmock(module).should_receive('deduplicate_directories').and_return(('foo', 'bar'))
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flexmock(module).should_receive('map_directories_to_devices').and_return({})
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flexmock(module).should_receive('expand_directories').and_return(())
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flexmock(module).should_receive('pattern_root_directories').and_return([])
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flexmock(module.os.path).should_receive('expanduser').and_raise(TypeError)
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flexmock(module).should_receive('expand_home_directories').and_return(()).and_return(
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('special',)
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)
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flexmock(module).should_receive('write_pattern_file').and_return(None)
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flexmock(module.feature).should_receive('available').and_return(True)
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flexmock(module).should_receive('ensure_files_readable')
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flexmock(module).should_receive('make_pattern_flags').and_return(())
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flexmock(module).should_receive('make_exclude_flags').and_return(())
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flexmock(module.flags).should_receive('make_repository_archive_flags').and_return(
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(f'repo::{DEFAULT_ARCHIVE_NAME}',)
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)
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flexmock(module.environment).should_receive('make_environment')
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flexmock(module).should_receive('collect_special_file_paths').and_return(('special',))
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create_command = (
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'borg',
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'create',
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'--one-file-system',
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'--read-special',
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) + REPO_ARCHIVE_WITH_PATHS
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flexmock(module).should_receive('execute_command_with_processes').with_args(
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create_command + ('--dry-run', '--list'),
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processes=processes,
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output_log_level=logging.INFO,
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output_file=None,
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borg_local_path='borg',
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working_directory=None,
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extra_environment=None,
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)
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flexmock(module).should_receive('execute_command_with_processes').with_args(
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create_command,
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processes=processes,
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output_log_level=logging.INFO,
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output_file=None,
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borg_local_path='borg',
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working_directory=None,
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extra_environment=None,
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)
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module.create_archive(
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dry_run=False,
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repository='repo',
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location_config={
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'source_directories': ['foo', 'bar'],
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'repositories': ['repo'],
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'exclude_patterns': None,
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'read_special': True,
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},
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storage_config={},
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local_borg_version='1.2.3',
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stream_processes=processes,
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)
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def test_create_archive_with_json_calls_borg_with_json_parameter():
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flexmock(module).should_receive('collect_borgmatic_source_directories').and_return([])
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flexmock(module).should_receive('deduplicate_directories').and_return(('foo', 'bar'))
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