$ git clone -n https://src.fedoraproject.org/rpms/rust-oid-registry.git /var/lib/mock/f45-build-43506-803/root/chroot_tmpdir/scmroot/rust-oid-registry
Cloning into '/var/lib/mock/f45-build-43506-803/root/chroot_tmpdir/scmroot/rust-oid-registry'...
$ git fetch origin 592c3929064ad0df96155a3b4a4783ad6c020762:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-oid-registry
 * [new ref]         592c3929064ad0df96155a3b4a4783ad6c020762 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 592c392 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild