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recreate: unify --always-recompress and --recompress

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Marian Beermann 2017-04-04 18:34:37 +02:00
parent b2953357ed
commit dcfbd39125
1 changed files with 10 additions and 8 deletions
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18
src/borg/archiver.py
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@ -1323,11 +1323,13 @@ def do_recreate(self, args, repository, manifest, key, cache):
matcher, include_patterns = self.build_matcher(args.patterns, args.paths) matcher, include_patterns = self.build_matcher(args.patterns, args.paths)
self.output_list = args.output_list self.output_list = args.output_list
self.output_filter = args.output_filter self.output_filter = args.output_filter
recompress = args.recompress != 'never'
always_recompress = args.recompress == 'always'
recreater = ArchiveRecreater(repository, manifest, key, cache, matcher, recreater = ArchiveRecreater(repository, manifest, key, cache, matcher,
exclude_caches=args.exclude_caches, exclude_if_present=args.exclude_if_present, exclude_caches=args.exclude_caches, exclude_if_present=args.exclude_if_present,
keep_exclude_tags=args.keep_exclude_tags, chunker_params=args.chunker_params, keep_exclude_tags=args.keep_exclude_tags, chunker_params=args.chunker_params,
compression=args.compression, recompress=args.recompress, always_recompress=args.always_recompress, compression=args.compression, recompress=recompress, always_recompress=always_recompress,
progress=args.progress, stats=args.stats, progress=args.progress, stats=args.stats,
file_status_printer=self.print_file_status, file_status_printer=self.print_file_status,
checkpoint_interval=args.checkpoint_interval, checkpoint_interval=args.checkpoint_interval,
@ -2922,8 +2924,7 @@ def process_epilog(epilog):
Note that all paths in an archive are relative, therefore absolute patterns/paths Note that all paths in an archive are relative, therefore absolute patterns/paths
will *not* match (--exclude, --exclude-from, PATHs). will *not* match (--exclude, --exclude-from, PATHs).
--recompress: all chunks seen will be recompressed using the --compression --recompress allows to change the compression of existing data in archives.
specified.
Due to how Borg stores compressed size information this might display Due to how Borg stores compressed size information this might display
incorrect information for archives that were not recreated at the same time. incorrect information for archives that were not recreated at the same time.
There is no risk of data loss by this. There is no risk of data loss by this.
@ -3013,11 +3014,12 @@ def process_epilog(epilog):
type=CompressionSpec, default=CompressionSpec('lz4'), metavar='COMPRESSION', type=CompressionSpec, default=CompressionSpec('lz4'), metavar='COMPRESSION',
help='select compression algorithm, see the output of the ' help='select compression algorithm, see the output of the '
'"borg help compression" command for details.') '"borg help compression" command for details.')
archive_group.add_argument('--recompress', dest='recompress', action='store_true', archive_group.add_argument('--recompress', dest='recompress', nargs='?', default='never', const='if-different',
help='recompress chunks according to --compression.') choices=('never', 'if-different', 'always'),
archive_group.add_argument('--always-recompress', dest='always_recompress', action='store_true', help='recompress data chunks according to --compression if "if-different". '
help='always recompress chunks, don\'t skip chunks already compressed with the same ' 'When "always", chunks that are already compressed that way are not skipped, '
'algorithm.') 'but compressed again. Only the algorithm is considered for "if-different", '
'not the compression level (if any).')
archive_group.add_argument('--chunker-params', dest='chunker_params', archive_group.add_argument('--chunker-params', dest='chunker_params',
type=ChunkerParams, default=CHUNKER_PARAMS, type=ChunkerParams, default=CHUNKER_PARAMS,
metavar='PARAMS', metavar='PARAMS',