$ git clone -n https://src.fedoraproject.org/rpms/rust-bytes-cast-derive.git /var/lib/mock/f38-build-side-43-rust-devel-1417071-31458/root/chroot_tmpdir/scmroot/rust-bytes-cast-derive
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1417071-31458/root/chroot_tmpdir/scmroot/rust-bytes-cast-derive'...
$ git fetch origin 86d17f52dd083289f416499ed044c3a17a965185:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-bytes-cast-derive
 * [new ref]         86d17f52dd083289f416499ed044c3a17a965185 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 86d17f5 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild