$ git clone -n https://src.fedoraproject.org/rpms/dt.git /var/lib/mock/f45-build-8094-376/root/chroot_tmpdir/scmroot/dt
Cloning into '/var/lib/mock/f45-build-8094-376/root/chroot_tmpdir/scmroot/dt'...
$ git fetch origin 27d09797f030ff3b2a1112a8cf1abf161b571cb5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dt
 * [new ref]         27d09797f030ff3b2a1112a8cf1abf161b571cb5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 27d0979 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild