mercurial/pure/parsers.py
author Pierre-Yves David <pierre-yves.david@octobus.net>
Sun, 04 Jul 2021 02:37:38 +0200
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dirstate-entry: add a `mtime` property This is clearer than "tuple" indexing. Differential Revision: https://phab.mercurial-scm.org/D10981
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# parsers.py - Python implementation of parsers.c
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#
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# Copyright 2009 Olivia Mackall <olivia@selenic.com> and others
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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from __future__ import absolute_import
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import struct
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import zlib
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from ..node import (
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    nullrev,
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    sha1nodeconstants,
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)
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from .. import (
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    error,
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    pycompat,
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    revlogutils,
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    util,
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)
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from ..revlogutils import nodemap as nodemaputil
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from ..revlogutils import constants as revlog_constants
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stringio = pycompat.bytesio
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_pack = struct.pack
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_unpack = struct.unpack
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_compress = zlib.compress
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_decompress = zlib.decompress
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# a special value used internally for `size` if the file come from the other parent
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FROM_P2 = -2
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# a special value used internally for `size` if the file is modified/merged/added
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NONNORMAL = -1
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class dirstatetuple(object):
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    """represent a dirstate entry
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    It contains:
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    - state (one of 'n', 'a', 'r', 'm')
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    - mode,
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    - size,
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    - mtime,
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    """
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    __slot__ = ('_state', '_mode', '_size', '_mtime')
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    def __init__(self, state, mode, size, mtime):
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        self._state = state
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        self._mode = mode
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        self._size = size
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        self._mtime = mtime
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    def __getitem__(self, idx):
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        if idx == 0 or idx == -4:
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            return self._state
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        elif idx == 1 or idx == -3:
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            return self._mode
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        elif idx == 2 or idx == -2:
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            return self._size
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        elif idx == 3 or idx == -1:
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            return self._mtime
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        else:
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            raise IndexError(idx)
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    @property
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    def mode(self):
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        return self._mode
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    @property
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    def size(self):
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        return self._size
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    @property
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    def mtime(self):
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        return self._mtime
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    @property
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    def state(self):
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        """
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        States are:
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          n  normal
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          m  needs merging
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          r  marked for removal
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          a  marked for addition
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        XXX This "state" is a bit obscure and mostly a direct expression of the
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        dirstatev1 format. It would make sense to ultimately deprecate it in
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        favor of the more "semantic" attributes.
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        """
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        return self._state
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    @property
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    def tracked(self):
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        """True is the file is tracked in the working copy"""
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        return self._state in b"nma"
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    @property
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    def added(self):
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        """True if the file has been added"""
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        return self._state == b'a'
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    @property
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    def merged(self):
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        """True if the file has been merged
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        Should only be set if a merge is in progress in the dirstate
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        """
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        return self._state == b'm'
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    @property
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    def from_p2(self):
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        """True if the file have been fetched from p2 during the current merge
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        This is only True is the file is currently tracked.
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        Should only be set if a merge is in progress in the dirstate
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        """
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        return self._state == b'n' and self._size == FROM_P2
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    @property
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    def from_p2_removed(self):
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        """True if the file has been removed, but was "from_p2" initially
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   132
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        This property seems like an abstraction leakage and should probably be
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        dealt in this class (or maybe the dirstatemap) directly.
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        """
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        return self._state == b'r' and self._size == FROM_P2
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   137
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    @property
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    def removed(self):
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        """True if the file has been removed"""
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        return self._state == b'r'
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    @property
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    def merged_removed(self):
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        """True if the file has been removed, but was "merged" initially
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   146
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        This property seems like an abstraction leakage and should probably be
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        dealt in this class (or maybe the dirstatemap)  directly.
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        """
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        return self._state == b'r' and self._size == NONNORMAL
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   151
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    def v1_state(self):
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        """return a "state" suitable for v1 serialization"""
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        return self._state
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   155
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    def v1_mode(self):
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        """return a "mode" suitable for v1 serialization"""
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        return self._mode
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   159
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    def v1_size(self):
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        """return a "size" suitable for v1 serialization"""
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        return self._size
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   163
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    def v1_mtime(self):
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        """return a "mtime" suitable for v1 serialization"""
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        return self._mtime
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   167
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    def need_delay(self, now):
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        """True if the stored mtime would be ambiguous with the current time"""
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        return self._state == b'n' and self._mtime == now
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   171
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   172
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def gettype(q):
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    return int(q & 0xFFFF)
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class BaseIndexObject(object):
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    # Can I be passed to an algorithme implemented in Rust ?
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    rust_ext_compat = 0
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    # Format of an index entry according to Python's `struct` language
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    index_format = revlog_constants.INDEX_ENTRY_V1
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    # Size of a C unsigned long long int, platform independent
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    big_int_size = struct.calcsize(b'>Q')
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    # Size of a C long int, platform independent
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    int_size = struct.calcsize(b'>i')
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    # An empty index entry, used as a default value to be overridden, or nullrev
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    null_item = (
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        0,
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        0,
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        0,
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        -1,
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        -1,
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        -1,
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        -1,
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        sha1nodeconstants.nullid,
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        0,
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        0,
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        revlog_constants.COMP_MODE_INLINE,
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        revlog_constants.COMP_MODE_INLINE,
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    )
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    @util.propertycache
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    def entry_size(self):
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        return self.index_format.size
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    @property
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    def nodemap(self):
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   208
        msg = b"index.nodemap is deprecated, use index.[has_node|rev|get_rev]"
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        util.nouideprecwarn(msg, b'5.3', stacklevel=2)
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        return self._nodemap
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    @util.propertycache
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    def _nodemap(self):
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        nodemap = nodemaputil.NodeMap({sha1nodeconstants.nullid: nullrev})
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        for r in range(0, len(self)):
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            n = self[r][7]
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            nodemap[n] = r
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        return nodemap
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    def has_node(self, node):
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        """return True if the node exist in the index"""
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        return node in self._nodemap
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   223
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    def rev(self, node):
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        """return a revision for a node
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        If the node is unknown, raise a RevlogError"""
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        return self._nodemap[node]
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    def get_rev(self, node):
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        """return a revision for a node
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        If the node is unknown, return None"""
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        return self._nodemap.get(node)
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    def _stripnodes(self, start):
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        if '_nodemap' in vars(self):
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            for r in range(start, len(self)):
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                n = self[r][7]
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                del self._nodemap[n]
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    def clearcaches(self):
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        self.__dict__.pop('_nodemap', None)
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    def __len__(self):
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        return self._lgt + len(self._extra)
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    def append(self, tup):
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        if '_nodemap' in vars(self):
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            self._nodemap[tup[7]] = len(self)
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        data = self._pack_entry(len(self), tup)
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        self._extra.append(data)
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    def _pack_entry(self, rev, entry):
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        assert entry[8] == 0
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        assert entry[9] == 0
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        return self.index_format.pack(*entry[:8])
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    def _check_index(self, i):
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        if not isinstance(i, int):
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            raise TypeError(b"expecting int indexes")
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        if i < 0 or i >= len(self):
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            raise IndexError
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    def __getitem__(self, i):
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        if i == -1:
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            return self.null_item
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        self._check_index(i)
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        if i >= self._lgt:
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            data = self._extra[i - self._lgt]
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        else:
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            index = self._calculate_index(i)
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            data = self._data[index : index + self.entry_size]
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        r = self._unpack_entry(i, data)
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        if self._lgt and i == 0:
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            offset = revlogutils.offset_type(0, gettype(r[0]))
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            r = (offset,) + r[1:]
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        return r
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    def _unpack_entry(self, rev, data):
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        r = self.index_format.unpack(data)
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        r = r + (
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            0,
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            0,
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            revlog_constants.COMP_MODE_INLINE,
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            revlog_constants.COMP_MODE_INLINE,
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        )
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        return r
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    def pack_header(self, header):
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        """pack header information as binary"""
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        v_fmt = revlog_constants.INDEX_HEADER
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        return v_fmt.pack(header)
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    def entry_binary(self, rev):
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        """return the raw binary string representing a revision"""
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        entry = self[rev]
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        p = revlog_constants.INDEX_ENTRY_V1.pack(*entry[:8])
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        if rev == 0:
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            p = p[revlog_constants.INDEX_HEADER.size :]
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        return p
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class IndexObject(BaseIndexObject):
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    def __init__(self, data):
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        assert len(data) % self.entry_size == 0, (
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            len(data),
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            self.entry_size,
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            len(data) % self.entry_size,
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        )
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        self._data = data
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        self._lgt = len(data) // self.entry_size
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        self._extra = []
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    def _calculate_index(self, i):
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        return i * self.entry_size
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    def __delitem__(self, i):
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        if not isinstance(i, slice) or not i.stop == -1 or i.step is not None:
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            raise ValueError(b"deleting slices only supports a:-1 with step 1")
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        i = i.start
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        self._check_index(i)
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        self._stripnodes(i)
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        if i < self._lgt:
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            self._data = self._data[: i * self.entry_size]
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            self._lgt = i
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            self._extra = []
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        else:
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            self._extra = self._extra[: i - self._lgt]
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class PersistentNodeMapIndexObject(IndexObject):
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    """a Debug oriented class to test persistent nodemap
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    We need a simple python object to test API and higher level behavior. See
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    the Rust implementation for  more serious usage. This should be used only
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    through the dedicated `devel.persistent-nodemap` config.
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    """
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    def nodemap_data_all(self):
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parents: 44313
diff changeset
   341
        """Return bytes containing a full serialization of a nodemap
7f4f7ef3133e nodemap: add a optional `nodemap_add_full` method on indexes
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44313
diff changeset
   342
7f4f7ef3133e nodemap: add a optional `nodemap_add_full` method on indexes
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44313
diff changeset
   343
        The nodemap should be valid for the full set of revisions in the
7f4f7ef3133e nodemap: add a optional `nodemap_add_full` method on indexes
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44313
diff changeset
   344
        index."""
7f4f7ef3133e nodemap: add a optional `nodemap_add_full` method on indexes
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44313
diff changeset
   345
        return nodemaputil.persistent_data(self)
7f4f7ef3133e nodemap: add a optional `nodemap_add_full` method on indexes
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44313
diff changeset
   346
44333
50ad851efd9b nodemap: introduce append-only incremental update of the persistent data
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44320
diff changeset
   347
    def nodemap_data_incremental(self):
50ad851efd9b nodemap: introduce append-only incremental update of the persistent data
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44320
diff changeset
   348
        """Return bytes containing a incremental update to persistent nodemap
50ad851efd9b nodemap: introduce append-only incremental update of the persistent data
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44320
diff changeset
   349
50ad851efd9b nodemap: introduce append-only incremental update of the persistent data
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44320
diff changeset
   350
        This containst the data for an append-only update of the data provided
50ad851efd9b nodemap: introduce append-only incremental update of the persistent data
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44320
diff changeset
   351
        in the last call to `update_nodemap_data`.
50ad851efd9b nodemap: introduce append-only incremental update of the persistent data
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44320
diff changeset
   352
        """
50ad851efd9b nodemap: introduce append-only incremental update of the persistent data
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44320
diff changeset
   353
        if self._nm_root is None:
50ad851efd9b nodemap: introduce append-only incremental update of the persistent data
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44320
diff changeset
   354
            return None
44337
1d2b37def017 nodemap: double check the source docket when doing incremental update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44336
diff changeset
   355
        docket = self._nm_docket
44336
8374b69aef75 nodemap: track the total and unused amount of data in the rawdata file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44335
diff changeset
   356
        changed, data = nodemaputil.update_persistent_data(
44337
1d2b37def017 nodemap: double check the source docket when doing incremental update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44336
diff changeset
   357
            self, self._nm_root, self._nm_max_idx, self._nm_docket.tip_rev
44333
50ad851efd9b nodemap: introduce append-only incremental update of the persistent data
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44320
diff changeset
   358
        )
44337
1d2b37def017 nodemap: double check the source docket when doing incremental update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44336
diff changeset
   359
1d2b37def017 nodemap: double check the source docket when doing incremental update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44336
diff changeset
   360
        self._nm_root = self._nm_max_idx = self._nm_docket = None
1d2b37def017 nodemap: double check the source docket when doing incremental update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44336
diff changeset
   361
        return docket, changed, data
44333
50ad851efd9b nodemap: introduce append-only incremental update of the persistent data
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44320
diff changeset
   362
44335
e41a164db7a9 nodemap: track the maximum revision tracked in the nodemap
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44333
diff changeset
   363
    def update_nodemap_data(self, docket, nm_data):
e41a164db7a9 nodemap: track the maximum revision tracked in the nodemap
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44333
diff changeset
   364
        """provide full block of persisted binary data for a nodemap
44320
671f9479af0e nodemap: provide the on disk data to indexes who support it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44314
diff changeset
   365
671f9479af0e nodemap: provide the on disk data to indexes who support it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44314
diff changeset
   366
        The data are expected to come from disk. See `nodemap_data_all` for a
671f9479af0e nodemap: provide the on disk data to indexes who support it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44314
diff changeset
   367
        produceur of such data."""
671f9479af0e nodemap: provide the on disk data to indexes who support it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44314
diff changeset
   368
        if nm_data is not None:
44333
50ad851efd9b nodemap: introduce append-only incremental update of the persistent data
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44320
diff changeset
   369
            self._nm_root, self._nm_max_idx = nodemaputil.parse_data(nm_data)
50ad851efd9b nodemap: introduce append-only incremental update of the persistent data
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44320
diff changeset
   370
            if self._nm_root:
44337
1d2b37def017 nodemap: double check the source docket when doing incremental update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44336
diff changeset
   371
                self._nm_docket = docket
44333
50ad851efd9b nodemap: introduce append-only incremental update of the persistent data
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44320
diff changeset
   372
            else:
44337
1d2b37def017 nodemap: double check the source docket when doing incremental update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44336
diff changeset
   373
                self._nm_root = self._nm_max_idx = self._nm_docket = None
44320
671f9479af0e nodemap: provide the on disk data to indexes who support it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44314
diff changeset
   374
44313
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44034
diff changeset
   375
29133
255274719dc1 pure: write a really lazy version of pure indexObject
Maciej Fijalkowski <fijall@gmail.com>
parents: 28861
diff changeset
   376
class InlinedIndexObject(BaseIndexObject):
255274719dc1 pure: write a really lazy version of pure indexObject
Maciej Fijalkowski <fijall@gmail.com>
parents: 28861
diff changeset
   377
    def __init__(self, data, inline=0):
255274719dc1 pure: write a really lazy version of pure indexObject
Maciej Fijalkowski <fijall@gmail.com>
parents: 28861
diff changeset
   378
        self._data = data
255274719dc1 pure: write a really lazy version of pure indexObject
Maciej Fijalkowski <fijall@gmail.com>
parents: 28861
diff changeset
   379
        self._lgt = self._inline_scan(None)
255274719dc1 pure: write a really lazy version of pure indexObject
Maciej Fijalkowski <fijall@gmail.com>
parents: 28861
diff changeset
   380
        self._inline_scan(self._lgt)
255274719dc1 pure: write a really lazy version of pure indexObject
Maciej Fijalkowski <fijall@gmail.com>
parents: 28861
diff changeset
   381
        self._extra = []
7700
f410c552fa15 pure Python implementation of parsers.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff changeset
   382
29133
255274719dc1 pure: write a really lazy version of pure indexObject
Maciej Fijalkowski <fijall@gmail.com>
parents: 28861
diff changeset
   383
    def _inline_scan(self, lgt):
255274719dc1 pure: write a really lazy version of pure indexObject
Maciej Fijalkowski <fijall@gmail.com>
parents: 28861
diff changeset
   384
        off = 0
255274719dc1 pure: write a really lazy version of pure indexObject
Maciej Fijalkowski <fijall@gmail.com>
parents: 28861
diff changeset
   385
        if lgt is not None:
255274719dc1 pure: write a really lazy version of pure indexObject
Maciej Fijalkowski <fijall@gmail.com>
parents: 28861
diff changeset
   386
            self._offsets = [0] * lgt
255274719dc1 pure: write a really lazy version of pure indexObject
Maciej Fijalkowski <fijall@gmail.com>
parents: 28861
diff changeset
   387
        count = 0
46974
3c9208702db3 revlog: replace revlog._io.size with a new revlog.index.entry_size
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46860
diff changeset
   388
        while off <= len(self._data) - self.entry_size:
46407
095fa99ae5f5 revlog: prepare pure parser for being overloaded
Raphaël Gomès <rgomes@octobus.net>
parents: 45942
diff changeset
   389
            start = off + self.big_int_size
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39217
diff changeset
   390
            (s,) = struct.unpack(
46407
095fa99ae5f5 revlog: prepare pure parser for being overloaded
Raphaël Gomès <rgomes@octobus.net>
parents: 45942
diff changeset
   391
                b'>i',
095fa99ae5f5 revlog: prepare pure parser for being overloaded
Raphaël Gomès <rgomes@octobus.net>
parents: 45942
diff changeset
   392
                self._data[start : start + self.int_size],
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39217
diff changeset
   393
            )
29133
255274719dc1 pure: write a really lazy version of pure indexObject
Maciej Fijalkowski <fijall@gmail.com>
parents: 28861
diff changeset
   394
            if lgt is not None:
255274719dc1 pure: write a really lazy version of pure indexObject
Maciej Fijalkowski <fijall@gmail.com>
parents: 28861
diff changeset
   395
                self._offsets[count] = off
255274719dc1 pure: write a really lazy version of pure indexObject
Maciej Fijalkowski <fijall@gmail.com>
parents: 28861
diff changeset
   396
            count += 1
46974
3c9208702db3 revlog: replace revlog._io.size with a new revlog.index.entry_size
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46860
diff changeset
   397
            off += self.entry_size + s
29133
255274719dc1 pure: write a really lazy version of pure indexObject
Maciej Fijalkowski <fijall@gmail.com>
parents: 28861
diff changeset
   398
        if off != len(self._data):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   399
            raise ValueError(b"corrupted data")
29133
255274719dc1 pure: write a really lazy version of pure indexObject
Maciej Fijalkowski <fijall@gmail.com>
parents: 28861
diff changeset
   400
        return count
14421
639f26cab2f5 pure parsers: properly detect corrupt index files
Augie Fackler <durin42@gmail.com>
parents: 14064
diff changeset
   401
29133
255274719dc1 pure: write a really lazy version of pure indexObject
Maciej Fijalkowski <fijall@gmail.com>
parents: 28861
diff changeset
   402
    def __delitem__(self, i):
34331
531332502568 style: always use `x is not None` instead of `not x is None`
Alex Gaynor <agaynor@mozilla.com>
parents: 32372
diff changeset
   403
        if not isinstance(i, slice) or not i.stop == -1 or i.step is not None:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   404
            raise ValueError(b"deleting slices only supports a:-1 with step 1")
39217
5961517fd2a8 index: rename _fix_index() since it no longer fixes the index
Martin von Zweigbergk <martinvonz@google.com>
parents: 39216
diff changeset
   405
        i = i.start
5961517fd2a8 index: rename _fix_index() since it no longer fixes the index
Martin von Zweigbergk <martinvonz@google.com>
parents: 39216
diff changeset
   406
        self._check_index(i)
43533
642433629e20 revlog: deal with nodemap deletion within the index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43531
diff changeset
   407
        self._stripnodes(i)
29133
255274719dc1 pure: write a really lazy version of pure indexObject
Maciej Fijalkowski <fijall@gmail.com>
parents: 28861
diff changeset
   408
        if i < self._lgt:
255274719dc1 pure: write a really lazy version of pure indexObject
Maciej Fijalkowski <fijall@gmail.com>
parents: 28861
diff changeset
   409
            self._offsets = self._offsets[:i]
255274719dc1 pure: write a really lazy version of pure indexObject
Maciej Fijalkowski <fijall@gmail.com>
parents: 28861
diff changeset
   410
            self._lgt = i
255274719dc1 pure: write a really lazy version of pure indexObject
Maciej Fijalkowski <fijall@gmail.com>
parents: 28861
diff changeset
   411
            self._extra = []
255274719dc1 pure: write a really lazy version of pure indexObject
Maciej Fijalkowski <fijall@gmail.com>
parents: 28861
diff changeset
   412
        else:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39217
diff changeset
   413
            self._extra = self._extra[: i - self._lgt]
7700
f410c552fa15 pure Python implementation of parsers.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff changeset
   414
29133
255274719dc1 pure: write a really lazy version of pure indexObject
Maciej Fijalkowski <fijall@gmail.com>
parents: 28861
diff changeset
   415
    def _calculate_index(self, i):
255274719dc1 pure: write a really lazy version of pure indexObject
Maciej Fijalkowski <fijall@gmail.com>
parents: 28861
diff changeset
   416
        return self._offsets[i]
7700
f410c552fa15 pure Python implementation of parsers.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff changeset
   417
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39217
diff changeset
   418
46704
913485776542 revlog: introduce v2 format
Raphaël Gomès <rgomes@octobus.net>
parents: 46635
diff changeset
   419
def parse_index2(data, inline, revlogv2=False):
29133
255274719dc1 pure: write a really lazy version of pure indexObject
Maciej Fijalkowski <fijall@gmail.com>
parents: 28861
diff changeset
   420
    if not inline:
46704
913485776542 revlog: introduce v2 format
Raphaël Gomès <rgomes@octobus.net>
parents: 46635
diff changeset
   421
        cls = IndexObject2 if revlogv2 else IndexObject
913485776542 revlog: introduce v2 format
Raphaël Gomès <rgomes@octobus.net>
parents: 46635
diff changeset
   422
        return cls(data), None
47262
468e451fc0de revlogv2: drop the code related to inlined revlogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47259
diff changeset
   423
    cls = InlinedIndexObject
46704
913485776542 revlog: introduce v2 format
Raphaël Gomès <rgomes@octobus.net>
parents: 46635
diff changeset
   424
    return cls(data, inline), (0, data)
913485776542 revlog: introduce v2 format
Raphaël Gomès <rgomes@octobus.net>
parents: 46635
diff changeset
   425
913485776542 revlog: introduce v2 format
Raphaël Gomès <rgomes@octobus.net>
parents: 46635
diff changeset
   426
47270
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
   427
def parse_index_cl_v2(data):
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
   428
    return IndexChangelogV2(data), None
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
   429
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
   430
47262
468e451fc0de revlogv2: drop the code related to inlined revlogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47259
diff changeset
   431
class IndexObject2(IndexObject):
46860
1dc86c2a43ce revlog: directly use the Struct object for related operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46858
diff changeset
   432
    index_format = revlog_constants.INDEX_ENTRY_V2
46704
913485776542 revlog: introduce v2 format
Raphaël Gomès <rgomes@octobus.net>
parents: 46635
diff changeset
   433
47078
223b47235d1c sidedata: enable sidedata computers to optionally rewrite flags
Raphaël Gomès <rgomes@octobus.net>
parents: 47037
diff changeset
   434
    def replace_sidedata_info(
47259
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47256
diff changeset
   435
        self,
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47256
diff changeset
   436
        rev,
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47256
diff changeset
   437
        sidedata_offset,
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47256
diff changeset
   438
        sidedata_length,
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47256
diff changeset
   439
        offset_flags,
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47256
diff changeset
   440
        compression_mode,
47078
223b47235d1c sidedata: enable sidedata computers to optionally rewrite flags
Raphaël Gomès <rgomes@octobus.net>
parents: 47037
diff changeset
   441
    ):
46717
502e795b55ac revlog-index: add `replace_sidedata_info` method
Raphaël Gomès <rgomes@octobus.net>
parents: 46704
diff changeset
   442
        """
502e795b55ac revlog-index: add `replace_sidedata_info` method
Raphaël Gomès <rgomes@octobus.net>
parents: 46704
diff changeset
   443
        Replace an existing index entry's sidedata offset and length with new
502e795b55ac revlog-index: add `replace_sidedata_info` method
Raphaël Gomès <rgomes@octobus.net>
parents: 46704
diff changeset
   444
        ones.
502e795b55ac revlog-index: add `replace_sidedata_info` method
Raphaël Gomès <rgomes@octobus.net>
parents: 46704
diff changeset
   445
        This cannot be used outside of the context of sidedata rewriting,
47243
3b04cf976c67 revlog: use `rev` instead of `i` in replace_sidedata_info
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47235
diff changeset
   446
        inside the transaction that creates the revision `rev`.
46717
502e795b55ac revlog-index: add `replace_sidedata_info` method
Raphaël Gomès <rgomes@octobus.net>
parents: 46704
diff changeset
   447
        """
47243
3b04cf976c67 revlog: use `rev` instead of `i` in replace_sidedata_info
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47235
diff changeset
   448
        if rev < 0:
46717
502e795b55ac revlog-index: add `replace_sidedata_info` method
Raphaël Gomès <rgomes@octobus.net>
parents: 46704
diff changeset
   449
            raise KeyError
47243
3b04cf976c67 revlog: use `rev` instead of `i` in replace_sidedata_info
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47235
diff changeset
   450
        self._check_index(rev)
47244
78230d036e5d revlog: simplify the replace_sidedata_info code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47243
diff changeset
   451
        if rev < self._lgt:
46717
502e795b55ac revlog-index: add `replace_sidedata_info` method
Raphaël Gomès <rgomes@octobus.net>
parents: 46704
diff changeset
   452
            msg = b"cannot rewrite entries outside of this transaction"
502e795b55ac revlog-index: add `replace_sidedata_info` method
Raphaël Gomès <rgomes@octobus.net>
parents: 46704
diff changeset
   453
            raise KeyError(msg)
47244
78230d036e5d revlog: simplify the replace_sidedata_info code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47243
diff changeset
   454
        else:
78230d036e5d revlog: simplify the replace_sidedata_info code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47243
diff changeset
   455
            entry = list(self[rev])
78230d036e5d revlog: simplify the replace_sidedata_info code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47243
diff changeset
   456
            entry[0] = offset_flags
78230d036e5d revlog: simplify the replace_sidedata_info code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47243
diff changeset
   457
            entry[8] = sidedata_offset
78230d036e5d revlog: simplify the replace_sidedata_info code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47243
diff changeset
   458
            entry[9] = sidedata_length
47259
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47256
diff changeset
   459
            entry[11] = compression_mode
47244
78230d036e5d revlog: simplify the replace_sidedata_info code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47243
diff changeset
   460
            entry = tuple(entry)
47267
55d280bc59fa revlog: pass around the `rev` we deal with when packing/unpacking entry
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47262
diff changeset
   461
            new = self._pack_entry(rev, entry)
47244
78230d036e5d revlog: simplify the replace_sidedata_info code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47243
diff changeset
   462
            self._extra[rev - self._lgt] = new
46717
502e795b55ac revlog-index: add `replace_sidedata_info` method
Raphaël Gomès <rgomes@octobus.net>
parents: 46704
diff changeset
   463
47267
55d280bc59fa revlog: pass around the `rev` we deal with when packing/unpacking entry
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47262
diff changeset
   464
    def _unpack_entry(self, rev, data):
47256
2b69555e4875 revlog: introduce a compression mode for sidedata in the revlog index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47251
diff changeset
   465
        data = self.index_format.unpack(data)
2b69555e4875 revlog: introduce a compression mode for sidedata in the revlog index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47251
diff changeset
   466
        entry = data[:10]
2b69555e4875 revlog: introduce a compression mode for sidedata in the revlog index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47251
diff changeset
   467
        data_comp = data[10] & 3
2b69555e4875 revlog: introduce a compression mode for sidedata in the revlog index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47251
diff changeset
   468
        sidedata_comp = (data[10] & (3 << 2)) >> 2
2b69555e4875 revlog: introduce a compression mode for sidedata in the revlog index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47251
diff changeset
   469
        return entry + (data_comp, sidedata_comp)
47142
4292bed8da7c revlog: make the index always return the same tuple
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47078
diff changeset
   470
47267
55d280bc59fa revlog: pass around the `rev` we deal with when packing/unpacking entry
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47262
diff changeset
   471
    def _pack_entry(self, rev, entry):
47256
2b69555e4875 revlog: introduce a compression mode for sidedata in the revlog index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47251
diff changeset
   472
        data = entry[:10]
2b69555e4875 revlog: introduce a compression mode for sidedata in the revlog index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47251
diff changeset
   473
        data_comp = entry[10] & 3
2b69555e4875 revlog: introduce a compression mode for sidedata in the revlog index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47251
diff changeset
   474
        sidedata_comp = (entry[11] & 3) << 2
2b69555e4875 revlog: introduce a compression mode for sidedata in the revlog index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47251
diff changeset
   475
        data += (data_comp | sidedata_comp,)
2b69555e4875 revlog: introduce a compression mode for sidedata in the revlog index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47251
diff changeset
   476
2b69555e4875 revlog: introduce a compression mode for sidedata in the revlog index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47251
diff changeset
   477
        return self.index_format.pack(*data)
47143
47ffc754989a revlog: always "append" full size tuple
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47142
diff changeset
   478
47037
d57386e5c80e revlog: have an explicit "pack_header" method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47034
diff changeset
   479
    def entry_binary(self, rev):
47034
0d8ff1f4ab0c revlog: add a `entry_binary` method on index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47012
diff changeset
   480
        """return the raw binary string representing a revision"""
0d8ff1f4ab0c revlog: add a `entry_binary` method on index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47012
diff changeset
   481
        entry = self[rev]
47267
55d280bc59fa revlog: pass around the `rev` we deal with when packing/unpacking entry
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47262
diff changeset
   482
        return self._pack_entry(rev, entry)
47034
0d8ff1f4ab0c revlog: add a `entry_binary` method on index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47012
diff changeset
   483
47235
6b1eae313b2f revlogv2: store version information in the docket only
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47143
diff changeset
   484
    def pack_header(self, header):
6b1eae313b2f revlogv2: store version information in the docket only
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47143
diff changeset
   485
        """pack header information as binary"""
6b1eae313b2f revlogv2: store version information in the docket only
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47143
diff changeset
   486
        msg = 'version header should go in the docket, not the index: %d'
6b1eae313b2f revlogv2: store version information in the docket only
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47143
diff changeset
   487
        msg %= header
6b1eae313b2f revlogv2: store version information in the docket only
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47143
diff changeset
   488
        raise error.ProgrammingError(msg)
6b1eae313b2f revlogv2: store version information in the docket only
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47143
diff changeset
   489
46704
913485776542 revlog: introduce v2 format
Raphaël Gomès <rgomes@octobus.net>
parents: 46635
diff changeset
   490
47270
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
   491
class IndexChangelogV2(IndexObject2):
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
   492
    index_format = revlog_constants.INDEX_ENTRY_CL_V2
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
   493
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
   494
    def _unpack_entry(self, rev, data, r=True):
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
   495
        items = self.index_format.unpack(data)
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
   496
        entry = items[:3] + (rev, rev) + items[3:8]
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
   497
        data_comp = items[8] & 3
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
   498
        sidedata_comp = (items[8] >> 2) & 3
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
   499
        return entry + (data_comp, sidedata_comp)
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
   500
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
   501
    def _pack_entry(self, rev, entry):
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
   502
        assert entry[3] == rev, entry[3]
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
   503
        assert entry[4] == rev, entry[4]
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
   504
        data = entry[:3] + entry[5:10]
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
   505
        data_comp = entry[10] & 3
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
   506
        sidedata_comp = (entry[11] & 3) << 2
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
   507
        data += (data_comp | sidedata_comp,)
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
   508
        return self.index_format.pack(*data)
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
   509
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
   510
44313
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44034
diff changeset
   511
def parse_index_devel_nodemap(data, inline):
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 45936
diff changeset
   512
    """like parse_index2, but alway return a PersistentNodeMapIndexObject"""
44313
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44034
diff changeset
   513
    return PersistentNodeMapIndexObject(data), None
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44034
diff changeset
   514
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44034
diff changeset
   515
7700
f410c552fa15 pure Python implementation of parsers.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff changeset
   516
def parse_dirstate(dmap, copymap, st):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39217
diff changeset
   517
    parents = [st[:20], st[20:40]]
17425
e95ec38f86b0 fix wording and not-completely-trivial spelling errors and bad docstrings
Mads Kiilerich <mads@kiilerich.com>
parents: 14995
diff changeset
   518
    # dereference fields so they will be local in loop
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   519
    format = b">cllll"
7945
94d7e14cfa42 pure/parsers: fix circular imports, import mercurial modules properly
Matt Mackall <mpm@selenic.com>
parents: 7873
diff changeset
   520
    e_size = struct.calcsize(format)
7700
f410c552fa15 pure Python implementation of parsers.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff changeset
   521
    pos1 = 40
f410c552fa15 pure Python implementation of parsers.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff changeset
   522
    l = len(st)
f410c552fa15 pure Python implementation of parsers.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff changeset
   523
f410c552fa15 pure Python implementation of parsers.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff changeset
   524
    # the inner loop
f410c552fa15 pure Python implementation of parsers.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff changeset
   525
    while pos1 < l:
f410c552fa15 pure Python implementation of parsers.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff changeset
   526
        pos2 = pos1 + e_size
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   527
        e = _unpack(b">cllll", st[pos1:pos2])  # a literal here is faster
7700
f410c552fa15 pure Python implementation of parsers.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff changeset
   528
        pos1 = pos2 + e[4]
f410c552fa15 pure Python implementation of parsers.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff changeset
   529
        f = st[pos2:pos1]
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   530
        if b'\0' in f:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   531
            f, c = f.split(b'\0')
7700
f410c552fa15 pure Python implementation of parsers.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff changeset
   532
            copymap[f] = c
47508
67d11b0f659f dirstate-entry: goes through the `dirstatetuple` constructor in all cases
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47507
diff changeset
   533
        dmap[f] = dirstatetuple(*e[:4])
7700
f410c552fa15 pure Python implementation of parsers.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff changeset
   534
    return parents
18567
194e63c1ccb9 dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents: 17425
diff changeset
   535
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39217
diff changeset
   536
18567
194e63c1ccb9 dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents: 17425
diff changeset
   537
def pack_dirstate(dmap, copymap, pl, now):
194e63c1ccb9 dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents: 17425
diff changeset
   538
    now = int(now)
28861
86db5cb55d46 pycompat: switch to util.stringio for py3 compat
timeless <timeless@mozdev.org>
parents: 27339
diff changeset
   539
    cs = stringio()
18567
194e63c1ccb9 dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents: 17425
diff changeset
   540
    write = cs.write
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   541
    write(b"".join(pl))
43106
d783f945a701 py3: finish porting iteritems() to pycompat and remove source transformer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 43077
diff changeset
   542
    for f, e in pycompat.iteritems(dmap):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   543
        if e[0] == b'n' and e[3] == now:
18567
194e63c1ccb9 dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents: 17425
diff changeset
   544
            # The file was last modified "simultaneously" with the current
194e63c1ccb9 dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents: 17425
diff changeset
   545
            # write to dirstate (i.e. within the same second for file-
194e63c1ccb9 dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents: 17425
diff changeset
   546
            # systems with a granularity of 1 sec). This commonly happens
194e63c1ccb9 dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents: 17425
diff changeset
   547
            # for at least a couple of files on 'update'.
194e63c1ccb9 dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents: 17425
diff changeset
   548
            # The user could change the file without changing its size
19652
187bf2dde7c1 pack_dirstate: only invalidate mtime for files written in the last second
Siddharth Agarwal <sid0@fb.com>
parents: 18567
diff changeset
   549
            # within the same second. Invalidate the file's mtime in
18567
194e63c1ccb9 dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents: 17425
diff changeset
   550
            # dirstate, forcing future 'status' calls to compare the
19652
187bf2dde7c1 pack_dirstate: only invalidate mtime for files written in the last second
Siddharth Agarwal <sid0@fb.com>
parents: 18567
diff changeset
   551
            # contents of the file if the size is the same. This prevents
187bf2dde7c1 pack_dirstate: only invalidate mtime for files written in the last second
Siddharth Agarwal <sid0@fb.com>
parents: 18567
diff changeset
   552
            # mistakenly treating such files as clean.
21809
e250b8300e6e parsers: inline fields of dirstate values in C version
Siddharth Agarwal <sid0@fb.com>
parents: 19652
diff changeset
   553
            e = dirstatetuple(e[0], e[1], e[2], -1)
18567
194e63c1ccb9 dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents: 17425
diff changeset
   554
            dmap[f] = e
194e63c1ccb9 dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents: 17425
diff changeset
   555
194e63c1ccb9 dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents: 17425
diff changeset
   556
        if f in copymap:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   557
            f = b"%s\0%s" % (f, copymap[f])
47509
80dc1d452993 dirstate-entry: introduce dedicated accessors for v1 serialization
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47508
diff changeset
   558
        e = _pack(
80dc1d452993 dirstate-entry: introduce dedicated accessors for v1 serialization
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47508
diff changeset
   559
            b">cllll",
80dc1d452993 dirstate-entry: introduce dedicated accessors for v1 serialization
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47508
diff changeset
   560
            e.v1_state(),
80dc1d452993 dirstate-entry: introduce dedicated accessors for v1 serialization
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47508
diff changeset
   561
            e.v1_mode(),
80dc1d452993 dirstate-entry: introduce dedicated accessors for v1 serialization
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47508
diff changeset
   562
            e.v1_size(),
80dc1d452993 dirstate-entry: introduce dedicated accessors for v1 serialization
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47508
diff changeset
   563
            e.v1_mtime(),
80dc1d452993 dirstate-entry: introduce dedicated accessors for v1 serialization
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47508
diff changeset
   564
            len(f),
80dc1d452993 dirstate-entry: introduce dedicated accessors for v1 serialization
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47508
diff changeset
   565
        )
18567
194e63c1ccb9 dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents: 17425
diff changeset
   566
        write(e)
194e63c1ccb9 dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents: 17425
diff changeset
   567
        write(f)
194e63c1ccb9 dirstate: move pure python dirstate packing to pure/parsers.py
Siddharth Agarwal <sid0@fb.com>
parents: 17425
diff changeset
   568
    return cs.getvalue()