mercurial/transaction.py

50282:4bcb91c8b9d8

# Copyright 2005, 2006 Olivia Mackall <[e-mail]>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.


from .i18n import _
from . import (
    error,
    pycompat,

    def _writeundo(self):
        """write transaction data for possible future undo call"""
        if self._undoname is None:
            return

        undo_backup_path = b"%s.backupfiles" % self._undoname
        undobackupfile = self._opener.open(undo_backup_path, b'w')
        undobackupfile.write(b'%d\n' % version)
        for l, f, b, c in self._backupentries:
            if not f:  # temporary file

                        b"couldn't remove %s: unknown cache location"
                        b"%s\n" % (b, l)
                    )
                    continue
                vfs = self._vfsmap[l]
                base, name = vfs.split(b)
                assert name.startswith(self._journal), name
                uname = name.replace(self._journal, self._undoname, 1)
                u = vfs.reljoin(base, uname)
                util.copyfile(vfs.join(b), vfs.join(u), hardlink=True)
            undobackupfile.write(b"%s\0%s\0%s\0%d\n" % (l, f, u, c))
        undobackupfile.close()

    def _abort(self):

50283:dda43856ef96

# Copyright 2005, 2006 Olivia Mackall <[e-mail]>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.

import os

from .i18n import _
from . import (
    error,
    pycompat,

    def _writeundo(self):
        """write transaction data for possible future undo call"""
        if self._undoname is None:
            return

        def undoname(fn: bytes) -> bytes:
            base, name = os.path.split(fn)
            assert name.startswith(self._journal)
            new_name = name.replace(self._journal, self._undoname, 1)
            return os.path.join(base, new_name)

        undo_backup_path = b"%s.backupfiles" % self._undoname
        undobackupfile = self._opener.open(undo_backup_path, b'w')
        undobackupfile.write(b'%d\n' % version)
        for l, f, b, c in self._backupentries:
            if not f:  # temporary file

                        b"couldn't remove %s: unknown cache location"
                        b"%s\n" % (b, l)
                    )
                    continue
                vfs = self._vfsmap[l]
                u = undoname(b)
                util.copyfile(vfs.join(b), vfs.join(u), hardlink=True)
            undobackupfile.write(b"%s\0%s\0%s\0%d\n" % (l, f, u, c))
        undobackupfile.close()

    def _abort(self):