$ git clone -n https://src.fedoraproject.org/rpms/granite.git /var/lib/mock/f45-build-12988-444/root/chroot_tmpdir/scmroot/granite
Cloning into '/var/lib/mock/f45-build-12988-444/root/chroot_tmpdir/scmroot/granite'...
$ git fetch origin f6c48365df3fecb5d021513a7a9e027b99840c5c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/granite
 * [new ref]         f6c48365df3fecb5d021513a7a9e027b99840c5c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f6c4836 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild