/brz/remove-bazaar

        with self.source_store.lock_read():

            old_refs = self._get_target_bzr_refs()

            new_refs = update_refs(old_refs)

                [(git_sha, bzr_revid)

                 for (git_sha, bzr_revid) in new_refs.values()

                 if git_sha is None or not git_sha.startswith(SYMREF)],

                    result_refs[name] = (gitid, revid if not lossy else self.mapping.revision_id_foreign_to_bzr(gitid))

        return revidmap, old_refs, result_refs

 

        if not lossy and not self.mapping.roundtripping:

            for git_sha, bzr_revid in revs:

                if (bzr_revid is not None and

                              for revid in self.source.all_revision_ids()]

        self._warn_slow()

        try:

        except NoPushSupport:

            raise NoRoundtrippingSupport(self.source, self.target)

        return FetchResult(revidmap)