mercurial/revlog.py

45734:53c265a6fc83

        If not None, the `sidedatacompanion` is callable that accept two
        arguments:

            (srcrevlog, rev)

        and return a triplet that control changes to sidedata content from the
        old revision to the new clone result:

            (dropall, filterout, update)

        * if `dropall` is True, all sidedata should be dropped
        * `filterout` is a set of sidedata keys that should be dropped
        * `update` is a mapping of additionnal/new key -> value
        """
        if deltareuse not in self.DELTAREUSEALL:
            raise ValueError(
                _(b'value for deltareuse invalid: %s') % deltareuse
            )

            linkrev = entry[4]
            p1 = index[entry[5]][7]
            p2 = index[entry[6]][7]
            node = entry[7]

            sidedataactions = (False, [], {})
            if sidedatacompanion is not None:
                sidedataactions = sidedatacompanion(self, rev)

            # (Possibly) reuse the delta from the revlog if allowed and
            # the revlog chunk is a delta.
            cachedelta = None
            rawtext = None
            if any(sidedataactions) or deltareuse == self.DELTAREUSEFULLADD:
                dropall, filterout, update = sidedataactions
                text, sidedata = self._revisiondata(rev)
                if dropall:
                    sidedata = {}
                for key in filterout:
                    sidedata.pop(key, None)
                sidedata.update(update)
                if not sidedata:
                    sidedata = None
                destrevlog.addrevision(
                    text,
                    tr,
                    linkrev,
                    p1,

45735:edf4fa06df94

        If not None, the `sidedatacompanion` is callable that accept two
        arguments:

            (srcrevlog, rev)

        and return a quintet that control changes to sidedata content from the
        old revision to the new clone result:

            (dropall, filterout, update, new_flags, dropped_flags)

        * if `dropall` is True, all sidedata should be dropped
        * `filterout` is a set of sidedata keys that should be dropped
        * `update` is a mapping of additionnal/new key -> value
        * new_flags is a bitfields of new flags that the revision should get
        * dropped_flags is a bitfields of new flags that the revision shoudl not longer have
        """
        if deltareuse not in self.DELTAREUSEALL:
            raise ValueError(
                _(b'value for deltareuse invalid: %s') % deltareuse
            )

            linkrev = entry[4]
            p1 = index[entry[5]][7]
            p2 = index[entry[6]][7]
            node = entry[7]

            sidedataactions = (False, [], {}, 0, 0)
            if sidedatacompanion is not None:
                sidedataactions = sidedatacompanion(self, rev)

            # (Possibly) reuse the delta from the revlog if allowed and
            # the revlog chunk is a delta.
            cachedelta = None
            rawtext = None
            if any(sidedataactions) or deltareuse == self.DELTAREUSEFULLADD:
                dropall = sidedataactions[0]
                filterout = sidedataactions[1]
                update = sidedataactions[2]
                new_flags = sidedataactions[3]
                dropped_flags = sidedataactions[4]
                text, sidedata = self._revisiondata(rev)
                if dropall:
                    sidedata = {}
                for key in filterout:
                    sidedata.pop(key, None)
                sidedata.update(update)
                if not sidedata:
                    sidedata = None

                flags |= new_flags
                flags &= ~dropped_flags

                destrevlog.addrevision(
                    text,
                    tr,
                    linkrev,
                    p1,