$ git clone -n https://src.fedoraproject.org/rpms/python-dasbus.git /var/lib/mock/f45-build-30233-643/root/chroot_tmpdir/scmroot/python-dasbus
Cloning into '/var/lib/mock/f45-build-30233-643/root/chroot_tmpdir/scmroot/python-dasbus'...
$ git fetch origin b510773d6bbdf95cc164fec0d6df937bdea366c8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-dasbus
 * [new ref]         b510773d6bbdf95cc164fec0d6df937bdea366c8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b510773 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild