$ git clone -n https://src.fedoraproject.org/rpms/rust-natord-plus-plus.git /var/lib/mock/f45-build-43335-802/root/chroot_tmpdir/scmroot/rust-natord-plus-plus
Cloning into '/var/lib/mock/f45-build-43335-802/root/chroot_tmpdir/scmroot/rust-natord-plus-plus'...
$ git fetch origin 98a334016974f57e24bdc5794fcc615cd0bc75a0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-natord-plus-plus
 * [new ref]         98a334016974f57e24bdc5794fcc615cd0bc75a0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 98a3340 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild