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@@ -764,6 +764,19 @@ class Archiver:
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See the output of the "borg help patterns" command for more help on exclude patterns.
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""")
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+ class ToggleAction(argparse.Action):
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+ """argparse action to handle "toggle" flags easily
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+
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+ toggle flags are in the form of ``--foo``, ``--no-foo``.
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+
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+ the ``--no-foo`` argument still needs to be passed to the
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+ ``add_argument()`` call, but it simplifies the ``--no``
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+ detection.
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+ """
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+ def __call__(self, parser, ns, values, option):
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+ """set the given flag to true unless ``--no`` is passed"""
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+ setattr(ns, self.dest, option.startswith('--no-'))
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+
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subparser = subparsers.add_parser('create', parents=[common_parser],
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description=self.do_create.__doc__,
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epilog=create_epilog,
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@@ -772,8 +785,9 @@ class Archiver:
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subparser.add_argument('-s', '--stats', dest='stats',
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action='store_true', default=False,
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help='print statistics for the created archive')
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- subparser.add_argument('-p', '--progress', dest='progress', const=not sys.stderr.isatty(),
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- action='store_const', default=sys.stdin.isatty(),
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+ subparser.add_argument('-p', '--progress', '--no-progress',
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+ dest='progress', default=sys.stdin.isatty(),
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+ action=ToggleAction, nargs=0,
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help="""toggle progress display while creating the archive, showing Original,
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Compressed and Deduplicated sizes, followed by the Number of files seen
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and the path being processed, default: %(default)s""")
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TW