view hgext/fastannotate/error.py @ 41107:3e2c02836420

transaction: do not overwrite atomic-temp files on error

Even though the original files can be restored from the backup, it should be
better to not write back a temporary file if we know it can be corrupted.

# Copyright 2016-present Facebook. All Rights Reserved.
#
# error: errors used in fastannotate
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.
from __future__ import absolute_import

class CorruptedFileError(Exception):
    pass

class CannotReuseError(Exception):
    """cannot reuse or update the cache incrementally"""