$ git clone -n https://src.fedoraproject.org/rpms/ocaml-qcheck.git /var/lib/mock/f40-build-739815-109312/root/chroot_tmpdir/scmroot/ocaml-qcheck
Cloning into '/var/lib/mock/f40-build-739815-109312/root/chroot_tmpdir/scmroot/ocaml-qcheck'...
$ git fetch origin 35fd5d5255609118c4b86aa59c26b6d1cf9e96ad:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-qcheck
 * [new ref]         35fd5d5255609118c4b86aa59c26b6d1cf9e96ad -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 35fd5d5 OCaml 5.1 rebuild for Fedora 40