$ git clone -n https://src.fedoraproject.org/rpms/ocaml-octavius.git /var/lib/mock/f41-build-820283-152163/root/chroot_tmpdir/scmroot/ocaml-octavius
Cloning into '/var/lib/mock/f41-build-820283-152163/root/chroot_tmpdir/scmroot/ocaml-octavius'...
$ git fetch origin 281f9bc723013c86340a8d94a5c60c953e1d78c7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-octavius
 * [new ref]         281f9bc723013c86340a8d94a5c60c953e1d78c7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 281f9bc Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild