mercurial/revlogutils/deltas.py

51349:9a1239c362ae

                    # delta probable lower bound is larger than target
                    # base
                    return False
        return True

    def _pre_filter_rev(self, rev):
        """return True if it seems okay to test a rev, False otherwise"""
        if not self._pre_filter_rev_universal(rev):
            return False

        deltas_limit = self.revinfo.textlen * LIMIT_DELTA2TEXT
        # filter out delta base that will never produce good delta
        #
        # if the delta of that base is already bigger than the limit
        # for the delta chain size, doing a delta is hopeless.

        ):
            return False
        # if chain already have too much data, skip base
        if deltas_limit < chainsize:
            return False

        if self.revlog.delta_config.sparse_revlog:
            if not self._pre_filter_rev_sparse(rev):
                return False

        return True

51350:1ea56b10dd4a

                    # delta probable lower bound is larger than target
                    # base
                    return False
        return True

    def _pre_filter_rev_delta_chain(self, rev):
        """pre filtering that is needed in sparse revlog cases

        return True if it seems okay to test a rev, False otherwise.

        used by _pre_filter_rev.
        """
        deltas_limit = self.revinfo.textlen * LIMIT_DELTA2TEXT
        # filter out delta base that will never produce good delta
        #
        # if the delta of that base is already bigger than the limit
        # for the delta chain size, doing a delta is hopeless.

        ):
            return False
        # if chain already have too much data, skip base
        if deltas_limit < chainsize:
            return False
        return True

    def _pre_filter_rev(self, rev):
        """return True if it seems okay to test a rev, False otherwise"""
        if not self._pre_filter_rev_universal(rev):
            return False
        if not self._pre_filter_rev_delta_chain(rev):
            return False
        if self.revlog.delta_config.sparse_revlog:
            if not self._pre_filter_rev_sparse(rev):
                return False

        return True