mercurial/context.py

40043:6509fcec830c

        repo = self._repo
        cl = repo.unfiltered().changelog
        mfl = repo.manifestlog
        # fetch the linkrev
        lkr = self.linkrev()
        # hack to reuse ancestor computation when searching for renames
        memberanc = getattr(self, '_ancestrycontext', None)
        iteranc = None
        if srcrev is None:
            # wctx case, used by workingfilectx during mergecopy

40044:ccf4d808ec4c

        repo = self._repo
        cl = repo.unfiltered().changelog
        mfl = repo.manifestlog
        # fetch the linkrev
        lkr = self.linkrev()
        if srcrev == lkr:
            return lkr
        # hack to reuse ancestor computation when searching for renames
        memberanc = getattr(self, '_ancestrycontext', None)
        iteranc = None
        if srcrev is None:
            # wctx case, used by workingfilectx during mergecopy