$ git clone -n https://src.fedoraproject.org/rpms/rust-num-order.git /var/lib/mock/f45-build-43439-803/root/chroot_tmpdir/scmroot/rust-num-order
Cloning into '/var/lib/mock/f45-build-43439-803/root/chroot_tmpdir/scmroot/rust-num-order'...
$ git fetch origin daf8fb2e695c1c5b2c4fad36e4a3eb54169d9288:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-num-order
 * [new ref]         daf8fb2e695c1c5b2c4fad36e4a3eb54169d9288 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at daf8fb2 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild