branch_contains "refs/top-bases/$name" "refs/remotes/$base_remote/top-bases/$name" &&
branch_contains "$name" "refs/remotes/$base_remote/$name"
} || rem_update='R'
branch_contains "refs/top-bases/$name" "refs/remotes/$base_remote/top-bases/$name" &&
branch_contains "$name" "refs/remotes/$base_remote/$name"
} || rem_update='R'