$ git clone -n https://src.fedoraproject.org/rpms/R-ica.git /var/lib/mock/f45-build-6174-346/root/chroot_tmpdir/scmroot/R-ica
Cloning into '/var/lib/mock/f45-build-6174-346/root/chroot_tmpdir/scmroot/R-ica'...
$ git fetch origin 6411beddab1b3446059f0b663abc56883fa3d8b9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-ica
 * [new ref]         6411beddab1b3446059f0b663abc56883fa3d8b9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6411bed Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild