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@@ -1323,11 +1323,13 @@ class Archiver:
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matcher, include_patterns = self.build_matcher(args.patterns, args.paths)
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self.output_list = args.output_list
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self.output_filter = args.output_filter
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+ recompress = args.recompress != 'never'
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+ always_recompress = args.recompress == 'always'
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recreater = ArchiveRecreater(repository, manifest, key, cache, matcher,
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exclude_caches=args.exclude_caches, exclude_if_present=args.exclude_if_present,
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keep_exclude_tags=args.keep_exclude_tags, chunker_params=args.chunker_params,
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- compression=args.compression, recompress=args.recompress, always_recompress=args.always_recompress,
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+ compression=args.compression, recompress=recompress, always_recompress=always_recompress,
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progress=args.progress, stats=args.stats,
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file_status_printer=self.print_file_status,
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checkpoint_interval=args.checkpoint_interval,
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@@ -2922,8 +2924,7 @@ class Archiver:
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Note that all paths in an archive are relative, therefore absolute patterns/paths
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will *not* match (--exclude, --exclude-from, PATHs).
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- --recompress: all chunks seen will be recompressed using the --compression
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- specified.
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+ --recompress allows to change the compression of existing data in archives.
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Due to how Borg stores compressed size information this might display
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incorrect information for archives that were not recreated at the same time.
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There is no risk of data loss by this.
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@@ -3013,11 +3014,12 @@ class Archiver:
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type=CompressionSpec, default=CompressionSpec('lz4'), metavar='COMPRESSION',
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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', action='store_true',
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- help='recompress chunks according to --compression.')
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- archive_group.add_argument('--always-recompress', dest='always_recompress', action='store_true',
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- help='always recompress chunks, don\'t skip chunks already compressed with the same '
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- 'algorithm.')
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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('--chunker-params', dest='chunker_params',
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type=ChunkerParams, default=CHUNKER_PARAMS,
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metavar='PARAMS',
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Marian Beermann