$ git clone -n https://src.fedoraproject.org/rpms/rust-owning_ref.git /var/lib/mock/f38-build-side-43-rust-devel-1415710-31455/root/chroot_tmpdir/scmroot/rust-owning_ref
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1415710-31455/root/chroot_tmpdir/scmroot/rust-owning_ref'...
$ git fetch origin c02178367805e8f833990355d67bd90c2d2de090:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-owning_ref
 * [new ref]         c02178367805e8f833990355d67bd90c2d2de090 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c021783 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild