comparison mercurial/context.py @ 43764:f9068413bd0c

changectx: use unfiltered changelog to access parents of unfiltered revs

If a revision is not filtered, we know that its parents are not either. So we
can take a shortcut. This shortcut avoid the computation of all filtered revs in
some cases.

Differential Revision: https://phab.mercurial-scm.org/D7487

43763:3fd6ec54704c

        return self._manifestctx.readdelta()

    @propertycache
    def _parents(self):
        repo = self._repo
        p1, p2 = repo.changelog.parentrevs(self._rev)
        if p2 == nullrev:
            return [repo[p1]]
        return [repo[p1], repo[p2]]

    def changeset(self):

43764:f9068413bd0c

        return self._manifestctx.readdelta()

    @propertycache
    def _parents(self):
        repo = self._repo
        if self._maybe_filtered:
            cl = repo.changelog
        else:
            cl = repo.unfiltered().changelog

        p1, p2 = cl.parentrevs(self._rev)
        if p2 == nullrev:
            return [repo[p1]]
        return [repo[p1], repo[p2]]

    def changeset(self):