upstream/mercurial-mirror Files · mercurial/revlogutils/constants.py

delta: move some delta chain related computation earlier in deltainfo...

delta: move some delta chain related computation earlier in deltainfo They are some more optimization change that will make use of this in the function. So we retrieve the data earlier.

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        Boris Feld
    
revlog: split constants into a new `revlogutils.constants` module...

              r39365
            
      # revlogdeltas.py - constant used for revlog logic

      #

      # Copyright 2005-2007 Matt Mackall <mpm@selenic.com>

      # Copyright 2018 Octobus <contact@octobus.net>

      #

      # This software may be used and distributed according to the terms of the

      # GNU General Public License version 2 or any later version.

      """Helper class to compute deltas stored inside revlogs"""

      from __future__ import absolute_import

      from .. import (

        Gregory Szorc
    
repository: define and use revision flag constants...

              r40083
            
          repository,

        Boris Feld
    
revlog: split constants into a new `revlogutils.constants` module...

              r39365
            
          util,

      )

      # revlog header flags

      REVLOGV0 = 0

      REVLOGV1 = 1

      # Dummy value until file format is finalized.

      # Reminder: change the bounds check in revlog.__init__ when this is changed.

      REVLOGV2 = 0xDEAD

        Gregory Szorc
    
revlog: always enable generaldelta on version 2 revlogs...

              r41238
            
      # Shared across v1 and v2.

        Boris Feld
    
revlog: split constants into a new `revlogutils.constants` module...

              r39365
            
      FLAG_INLINE_DATA = (1 << 16)

        Gregory Szorc
    
revlog: always enable generaldelta on version 2 revlogs...

              r41238
            
      # Only used by v1, implied by v2.

        Boris Feld
    
revlog: split constants into a new `revlogutils.constants` module...

              r39365
            
      FLAG_GENERALDELTA = (1 << 17)

      REVLOG_DEFAULT_FLAGS = FLAG_INLINE_DATA

      REVLOG_DEFAULT_FORMAT = REVLOGV1

      REVLOG_DEFAULT_VERSION = REVLOG_DEFAULT_FORMAT | REVLOG_DEFAULT_FLAGS

      REVLOGV1_FLAGS = FLAG_INLINE_DATA | FLAG_GENERALDELTA

        Gregory Szorc
    
revlog: always enable generaldelta on version 2 revlogs...

              r41238
            
      REVLOGV2_FLAGS = FLAG_INLINE_DATA

        Boris Feld
    
revlog: split constants into a new `revlogutils.constants` module...

              r39365
            
      # revlog index flags

        Gregory Szorc
    
repository: define and use revision flag constants...

              r40083
            
      # For historical reasons, revlog's internal flags were exposed via the

      # wire protocol and are even exposed in parts of the storage APIs.

      # revision has censor metadata, must be verified

      REVIDX_ISCENSORED = repository.REVISION_FLAG_CENSORED

      # revision hash does not match data (narrowhg)

      REVIDX_ELLIPSIS = repository.REVISION_FLAG_ELLIPSIS

      # revision data is stored externally

      REVIDX_EXTSTORED = repository.REVISION_FLAG_EXTSTORED

        Boris Feld
    
revlog: split constants into a new `revlogutils.constants` module...

              r39365
            
      REVIDX_DEFAULT_FLAGS = 0

      # stable order in which flags need to be processed and their processors applied

      REVIDX_FLAGS_ORDER = [

          REVIDX_ISCENSORED,

          REVIDX_ELLIPSIS,

          REVIDX_EXTSTORED,

      ]

      REVIDX_KNOWN_FLAGS = util.bitsfrom(REVIDX_FLAGS_ORDER)

      # bitmark for flags that could cause rawdata content change

      REVIDX_RAWTEXT_CHANGING_FLAGS = REVIDX_ISCENSORED | REVIDX_EXTSTORED

        Boris Feld
    
sparse-revlog: set max delta chain length to on thousand...

              r39542
            
      SPARSE_REVLOG_MAX_CHAIN_LENGTH = 1000

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Boris Feld revlog: split constants into a new `revlogutils.constants` module...	r39365	# revlogdeltas.py - constant used for revlog logic
		#
		# Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
		# Copyright 2018 Octobus <contact@octobus.net>
		#
		# This software may be used and distributed according to the terms of the
		# GNU General Public License version 2 or any later version.
		"""Helper class to compute deltas stored inside revlogs"""

		from __future__ import absolute_import

		from .. import (
Gregory Szorc repository: define and use revision flag constants...	r40083	repository,
Boris Feld revlog: split constants into a new `revlogutils.constants` module...	r39365	util,
		)

		# revlog header flags
		REVLOGV0 = 0
		REVLOGV1 = 1
		# Dummy value until file format is finalized.
		# Reminder: change the bounds check in revlog.__init__ when this is changed.
		REVLOGV2 = 0xDEAD
Gregory Szorc revlog: always enable generaldelta on version 2 revlogs...	r41238	# Shared across v1 and v2.
Boris Feld revlog: split constants into a new `revlogutils.constants` module...	r39365	FLAG_INLINE_DATA = (1 << 16)
Gregory Szorc revlog: always enable generaldelta on version 2 revlogs...	r41238	# Only used by v1, implied by v2.
Boris Feld revlog: split constants into a new `revlogutils.constants` module...	r39365	FLAG_GENERALDELTA = (1 << 17)
		REVLOG_DEFAULT_FLAGS = FLAG_INLINE_DATA
		REVLOG_DEFAULT_FORMAT = REVLOGV1
		REVLOG_DEFAULT_VERSION = REVLOG_DEFAULT_FORMAT \| REVLOG_DEFAULT_FLAGS
		REVLOGV1_FLAGS = FLAG_INLINE_DATA \| FLAG_GENERALDELTA
Gregory Szorc revlog: always enable generaldelta on version 2 revlogs...	r41238	REVLOGV2_FLAGS = FLAG_INLINE_DATA
Boris Feld revlog: split constants into a new `revlogutils.constants` module...	r39365
		# revlog index flags
Gregory Szorc repository: define and use revision flag constants...	r40083
		# For historical reasons, revlog's internal flags were exposed via the
		# wire protocol and are even exposed in parts of the storage APIs.

		# revision has censor metadata, must be verified
		REVIDX_ISCENSORED = repository.REVISION_FLAG_CENSORED
		# revision hash does not match data (narrowhg)
		REVIDX_ELLIPSIS = repository.REVISION_FLAG_ELLIPSIS
		# revision data is stored externally
		REVIDX_EXTSTORED = repository.REVISION_FLAG_EXTSTORED
Boris Feld revlog: split constants into a new `revlogutils.constants` module...	r39365	REVIDX_DEFAULT_FLAGS = 0
		# stable order in which flags need to be processed and their processors applied
		REVIDX_FLAGS_ORDER = [
		REVIDX_ISCENSORED,
		REVIDX_ELLIPSIS,
		REVIDX_EXTSTORED,
		]
		REVIDX_KNOWN_FLAGS = util.bitsfrom(REVIDX_FLAGS_ORDER)
		# bitmark for flags that could cause rawdata content change
		REVIDX_RAWTEXT_CHANGING_FLAGS = REVIDX_ISCENSORED \| REVIDX_EXTSTORED
Boris Feld sparse-revlog: set max delta chain length to on thousand...	r39542
		SPARSE_REVLOG_MAX_CHAIN_LENGTH = 1000