comparison mercurial/revlog.py @ 38716:c67093e81a3e

revlog: extract `deltainfo.distance` for future conditional redefinition

This commit exist to make the next one clearer.

38715:905b66681004

        #   bounding it limits the amount of I/O we need to do.
        # - 'deltainfo.compresseddeltalen' is the sum of the total size of
        #   deltas we need to apply -- bounding it limits the amount of CPU
        #   we consume.

        textlen = revinfo.textlen
        defaultmax = textlen * 4
        maxdist = self._maxdeltachainspan
        if not maxdist:
            maxdist = deltainfo.distance # ensure the conditional pass
        maxdist = max(maxdist, defaultmax)
        if (deltainfo.distance > maxdist or deltainfo.deltalen > textlen or
            deltainfo.compresseddeltalen > textlen * 2 or
            (self._maxchainlen and deltainfo.chainlen > self._maxchainlen)):
            return False

        return True

38716:c67093e81a3e

        #   bounding it limits the amount of I/O we need to do.
        # - 'deltainfo.compresseddeltalen' is the sum of the total size of
        #   deltas we need to apply -- bounding it limits the amount of CPU
        #   we consume.

        distance = deltainfo.distance
        textlen = revinfo.textlen
        defaultmax = textlen * 4
        maxdist = self._maxdeltachainspan
        if not maxdist:
            maxdist = distance # ensure the conditional pass
        maxdist = max(maxdist, defaultmax)
        if (distance > maxdist or deltainfo.deltalen > textlen or
            deltainfo.compresseddeltalen > textlen * 2 or
            (self._maxchainlen and deltainfo.chainlen > self._maxchainlen)):
            return False

        return True