forked from borgmatic-collective/borgmatic
47 lines
1.5 KiB
Python
47 lines
1.5 KiB
Python
import logging
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import sys
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import subprocess
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from borgmatic.verbosity import VERBOSITY_SOME, VERBOSITY_LOTS
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logger = logging.getLogger(__name__)
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def extract_last_archive_dry_run(verbosity, repository, lock_wait=None, local_path='borg', remote_path=None):
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'''
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Perform an extraction dry-run of just the most recent archive. If there are no archives, skip
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the dry-run.
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'''
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remote_path_flags = ('--remote-path', remote_path) if remote_path else ()
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lock_wait_flags = ('--lock-wait', str(lock_wait)) if lock_wait else ()
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verbosity_flags = {
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VERBOSITY_SOME: ('--info',),
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VERBOSITY_LOTS: ('--debug', '--show-rc'),
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}.get(verbosity, ())
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full_list_command = (
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local_path, 'list',
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'--short',
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repository,
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) + remote_path_flags + lock_wait_flags + verbosity_flags
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list_output = subprocess.check_output(full_list_command).decode(sys.stdout.encoding)
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last_archive_name = list_output.strip().split('\n')[-1]
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if not last_archive_name:
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return
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list_flag = ('--list',) if verbosity == VERBOSITY_LOTS else ()
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full_extract_command = (
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local_path, 'extract',
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'--dry-run',
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'{repository}::{last_archive_name}'.format(
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repository=repository,
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last_archive_name=last_archive_name,
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),
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) + remote_path_flags + lock_wait_flags + verbosity_flags + list_flag
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logger.debug(' '.join(full_extract_command))
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subprocess.check_call(full_extract_command)
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