$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ppx-derivers.git /var/lib/mock/f41-build-811277-147307/root/chroot_tmpdir/scmroot/ocaml-ppx-derivers
Cloning into '/var/lib/mock/f41-build-811277-147307/root/chroot_tmpdir/scmroot/ocaml-ppx-derivers'...
$ git fetch origin 14376dc9f9ece933d7b46e40d1c0d07b3ecc3573:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-ppx-derivers
 * [new ref]         14376dc9f9ece933d7b46e40d1c0d07b3ecc3573 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 14376dc OCaml 5.2.0 for Fedora 41