$ git clone -n https://src.fedoraproject.org/rpms/sbd.git /var/lib/mock/f45-build-35546-696/root/chroot_tmpdir/scmroot/sbd
Cloning into '/var/lib/mock/f45-build-35546-696/root/chroot_tmpdir/scmroot/sbd'...
$ git fetch origin 26fefeb36d0cccff19423ff0f3fa5856daad650c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sbd
 * [new ref]         26fefeb36d0cccff19423ff0f3fa5856daad650c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 26fefeb Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild