$ git clone -n https://src.fedoraproject.org/rpms/ocaml-gsl.git /var/lib/mock/f41-build-811198-147255/root/chroot_tmpdir/scmroot/ocaml-gsl
Cloning into '/var/lib/mock/f41-build-811198-147255/root/chroot_tmpdir/scmroot/ocaml-gsl'...
$ git fetch origin ce68b7fcc995565e1db8885df498e2b009501c4e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-gsl
 * [new ref]         ce68b7fcc995565e1db8885df498e2b009501c4e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ce68b7f OCaml 5.2.0 for Fedora 41