roots_tags: Avoid failing in rereverse if resolver_match is None
roots_tags: Avoid failing in rereverse if resolver_match is None

tbabej/roots,tbabej/roots,rtrembecky/roots,matus-stehlik/roots,rtrembecky/roots,matus-stehlik/roots,tbabej/roots,rtrembecky/roots,matus-stehlik/roots