upstream/mercurial-mirror Files · hgext/fastannotate/error.py

filelog: custom filelog to be used with narrow repos...

filelog: custom filelog to be used with narrow repos Narrow repos may have file revisions whose copy/rename metadata references files not in the store. This can pose problems when consumers attempt to access a missing referenced file revision. The narrow extension hacks around this problem by implementing a derived filelog type that provides custom implementations of renamed(), size(), and cmp() which handle renames against files not in the narrow spec by silently removing the rename metadata. While silently dropping metadata isn't the most robust solution, it is the easiest to implement. This commit ports the custom narrow filelog class to core. When a narrow repo is constructed, its ifilestorage creation function will automatically use the new filelog type. This means the extra logic is 0 cost for non-narrow repos and shouldn't interfere with their operation. Differential Revision: https://phab.mercurial-scm.org/D4643

Augie Fackler - - Load All Authors

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      # 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"""

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				# 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"""