$ git clone -n https://src.fedoraproject.org/rpms/rust-hexyl.git /var/lib/mock/f41-build-810633-146831/root/chroot_tmpdir/scmroot/rust-hexyl
Cloning into '/var/lib/mock/f41-build-810633-146831/root/chroot_tmpdir/scmroot/rust-hexyl'...
$ git fetch origin 027fa095b9d3f890dc5b3b1cde646616c3cda0b9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-hexyl
 * [new ref]         027fa095b9d3f890dc5b3b1cde646616c3cda0b9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 027fa09 Rebuild with Rust 1.78 to fix incomplete debuginfo and backtraces