$ git clone -n https://src.fedoraproject.org/rpms/rust-prodash.git /var/lib/mock/f45-build-44055-810/root/chroot_tmpdir/scmroot/rust-prodash
Cloning into '/var/lib/mock/f45-build-44055-810/root/chroot_tmpdir/scmroot/rust-prodash'...
$ git fetch origin e53cfd17c96a563e0f01a14f2dd076d697784ee2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-prodash
 * [new ref]         e53cfd17c96a563e0f01a14f2dd076d697784ee2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e53cfd1 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild