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@@ -3561,12 +3561,17 @@ class Archiver:
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type=CompressionSpec, default=CompressionSpec('lz4'),
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help='select compression algorithm, see the output of the '
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'"borg help compression" command for details.')
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- archive_group.add_argument('--recompress', dest='recompress', nargs='?', default='never', const='if-different',
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- choices=('never', 'if-different', 'always'),
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- help='recompress data chunks according to ``--compression`` if `if-different`. '
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- 'When `always`, chunks that are already compressed that way are not skipped, '
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- 'but compressed again. Only the algorithm is considered for `if-different`, '
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- 'not the compression level (if any).')
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+ archive_group.add_argument('--recompress', metavar='MODE', dest='recompress', nargs='?',
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+ default='never', const='if-different', choices=('never', 'if-different', 'always'),
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+ help='recompress data chunks according to ``--compression``. '
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+ 'MODE `if-different`: '
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+ 'recompress if current compression is with a different compression algorithm '
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+ '(the level is not considered). '
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+ 'MODE `always`: '
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+ 'recompress even if current compression is with the same compression algorithm '
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+ '(use this to change the compression level). '
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+ 'MODE `never` (default): '
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+ 'do not recompress.')
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archive_group.add_argument('--chunker-params', metavar='PARAMS', dest='chunker_params',
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type=ChunkerParams, default=CHUNKER_PARAMS,
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help='specify the chunker parameters (CHUNK_MIN_EXP, CHUNK_MAX_EXP, '
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TW