$ git clone -n https://src.fedoraproject.org/rpms/rust-tokio-executor.git /var/lib/mock/f38-build-side-43-rust-devel-1417834-31459/root/chroot_tmpdir/scmroot/rust-tokio-executor
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1417834-31459/root/chroot_tmpdir/scmroot/rust-tokio-executor'...
$ git fetch origin 20ead8cd561b946195268b97c046b5c8c58abd64:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-tokio-executor
 * [new ref]         20ead8cd561b946195268b97c046b5c8c58abd64 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 20ead8c Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild