$ git clone -n https://src.fedoraproject.org/rpms/ksmtuned.git /var/lib/mock/f45-build-15439-474/root/chroot_tmpdir/scmroot/ksmtuned
Cloning into '/var/lib/mock/f45-build-15439-474/root/chroot_tmpdir/scmroot/ksmtuned'...
$ git fetch origin c407f8d90af9f44cc583bbf1759ada30273d5b28:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ksmtuned
 * [new ref]         c407f8d90af9f44cc583bbf1759ada30273d5b28 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c407f8d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild