$ git clone -n https://src.fedoraproject.org/rpms/rust-virtio-bindings.git /var/lib/mock/f45-build-46081-830/root/chroot_tmpdir/scmroot/rust-virtio-bindings
Cloning into '/var/lib/mock/f45-build-46081-830/root/chroot_tmpdir/scmroot/rust-virtio-bindings'...
$ git fetch origin b5a48de5256433390f4232ecf2aee02a9f40d33c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-virtio-bindings
 * [new ref]         b5a48de5256433390f4232ecf2aee02a9f40d33c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b5a48de Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild