$ git clone -n https://src.fedoraproject.org/rpms/ocaml-trie.git /var/lib/mock/f38-build-side-42-init-devel-707732-27193/root/chroot_tmpdir/scmroot/ocaml-trie
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-707732-27193/root/chroot_tmpdir/scmroot/ocaml-trie'...
$ git fetch origin 094aaf14bbed0e46db368181ad82421158e5e715:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-trie
 * [new ref]         094aaf14bbed0e46db368181ad82421158e5e715 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 094aaf1 Rebuild OCaml packages for F38