30 lines
979 B
Python
30 lines
979 B
Python
import logging
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from borgmatic.borg import environment
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from borgmatic.execute import execute_command_and_capture_output
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logger = logging.getLogger(__name__)
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def local_borg_version(storage_config, local_path='borg'):
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'''
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Given a storage configuration dict and a local Borg binary path, return a version string for it.
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Raise OSError or CalledProcessError if there is a problem running Borg.
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Raise ValueError if the version cannot be parsed.
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'''
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full_command = (
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(local_path, '--version')
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+ (('--info',) if logger.getEffectiveLevel() == logging.INFO else ())
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+ (('--debug', '--show-rc') if logger.isEnabledFor(logging.DEBUG) else ())
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)
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output = execute_command_and_capture_output(
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full_command,
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extra_environment=environment.make_environment(storage_config),
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)
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try:
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return output.split(' ')[1].strip()
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except IndexError:
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raise ValueError('Could not parse Borg version string')
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