$ git clone -n https://src.fedoraproject.org/rpms/gnurobots.git /var/lib/mock/f45-build-11642-433/root/chroot_tmpdir/scmroot/gnurobots
Cloning into '/var/lib/mock/f45-build-11642-433/root/chroot_tmpdir/scmroot/gnurobots'...
$ git fetch origin cc5b1f5e4e1f413e740648b0dfef0dc195702b14:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnurobots
 * [new ref]         cc5b1f5e4e1f413e740648b0dfef0dc195702b14 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cc5b1f5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild