$ git clone -n https://src.fedoraproject.org/rpms/ensmallen.git /var/lib/mock/f45-build-8179-378/root/chroot_tmpdir/scmroot/ensmallen
Cloning into '/var/lib/mock/f45-build-8179-378/root/chroot_tmpdir/scmroot/ensmallen'...
$ git fetch origin 85e8d133912d977a2bba2e2f337564ebe170a503:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ensmallen
 * [new ref]         85e8d133912d977a2bba2e2f337564ebe170a503 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 85e8d13 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild