$ git clone -n https://src.fedoraproject.org/rpms/rust-simd_helpers.git /var/lib/mock/f38-build-side-43-rust-devel-1416587-31457/root/chroot_tmpdir/scmroot/rust-simd_helpers
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1416587-31457/root/chroot_tmpdir/scmroot/rust-simd_helpers'...
$ git fetch origin 1b9341cc5b69053e3f5d0341e5681ed80da1f298:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-simd_helpers
 * [new ref]         1b9341cc5b69053e3f5d0341e5681ed80da1f298 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1b9341c Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild