comparison mercurial/context.py @ 35271:d90c534099b1

filectx: extract helper method to obtain filectx pointing to its introrev

35270:0d27685b4a2f

        noctx = not ('_changeid' in attrs or '_changectx' in attrs)
        if noctx or self.rev() == lkr:
            return self.linkrev()
        return self._adjustlinkrev(self.rev(), inclusive=True)

    def _parentfilectx(self, path, fileid, filelog):
        """create parent filectx keeping ancestry info for _adjustlinkrev()"""
        fctx = filectx(self._repo, path, fileid=fileid, filelog=filelog)
        if '_changeid' in vars(self) or '_changectx' in vars(self):
            # If self is associated with a changeset (probably explicitly

                    p._filelog = getlog(p.path())

            return pl

        # use linkrev to find the first changeset where self appeared
        base = self
        introrev = self.introrev()
        if self.rev() != introrev:
            base = self.filectx(self.filenode(), changeid=introrev)
        if getattr(base, '_ancestrycontext', None) is None:
            cl = self._repo.changelog
            if introrev is None:
                # wctx is not inclusive, but works because _ancestrycontext
                # is used to test filelog revisions
                ac = cl.ancestors([p.rev() for p in base.parents()],
                                  inclusive=True)
            else:
                ac = cl.ancestors([introrev], inclusive=True)
            base._ancestrycontext = ac

        # This algorithm would prefer to be recursive, but Python is a
        # bit recursion-hostile. Instead we do an iterative
        # depth-first search.

35271:d90c534099b1

        noctx = not ('_changeid' in attrs or '_changectx' in attrs)
        if noctx or self.rev() == lkr:
            return self.linkrev()
        return self._adjustlinkrev(self.rev(), inclusive=True)

    def introfilectx(self):
        """Return filectx having identical contents, but pointing to the
        changeset revision where this filectx was introduced"""
        introrev = self.introrev()
        if self.rev() == introrev:
            return self
        return self.filectx(self.filenode(), changeid=introrev)

    def _parentfilectx(self, path, fileid, filelog):
        """create parent filectx keeping ancestry info for _adjustlinkrev()"""
        fctx = filectx(self._repo, path, fileid=fileid, filelog=filelog)
        if '_changeid' in vars(self) or '_changectx' in vars(self):
            # If self is associated with a changeset (probably explicitly

                    p._filelog = getlog(p.path())

            return pl

        # use linkrev to find the first changeset where self appeared
        base = self.introfilectx()
        if getattr(base, '_ancestrycontext', None) is None:
            cl = self._repo.changelog
            if base.rev() is None:
                # wctx is not inclusive, but works because _ancestrycontext
                # is used to test filelog revisions
                ac = cl.ancestors([p.rev() for p in base.parents()],
                                  inclusive=True)
            else:
                ac = cl.ancestors([base.rev()], inclusive=True)
            base._ancestrycontext = ac

        # This algorithm would prefer to be recursive, but Python is a
        # bit recursion-hostile. Instead we do an iterative
        # depth-first search.