$ git clone -n https://src.fedoraproject.org/rpms/rust-vm-fdt.git /var/lib/mock/f45-build-46077-830/root/chroot_tmpdir/scmroot/rust-vm-fdt
Cloning into '/var/lib/mock/f45-build-46077-830/root/chroot_tmpdir/scmroot/rust-vm-fdt'...
$ git fetch origin 9da561e741484fffb7801d38a2ecf396cd13fffb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-vm-fdt
 * [new ref]         9da561e741484fffb7801d38a2ecf396cd13fffb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9da561e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild