$ git clone -n https://src.fedoraproject.org/rpms/ocaml-trie.git /var/lib/mock/f40-build-2013540-45898/root/chroot_tmpdir/scmroot/ocaml-trie
Cloning into '/var/lib/mock/f40-build-2013540-45898/root/chroot_tmpdir/scmroot/ocaml-trie'...
$ git fetch origin 51e424d18239608771fab1b4bf6236f7ed973543:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-trie
 * [new ref]         51e424d18239608771fab1b4bf6236f7ed973543 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 51e424d OCaml 5.1.1 rebuild for Fedora 40