$ git clone -n https://src.fedoraproject.org/rpms/ocaml-mew-vi.git /var/lib/mock/f42-build-866020-173661/root/chroot_tmpdir/scmroot/ocaml-mew-vi
Cloning into '/var/lib/mock/f42-build-866020-173661/root/chroot_tmpdir/scmroot/ocaml-mew-vi'...
$ git fetch origin 4a468822c0bf7641dee2e789812ca0185a6dc9c0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-mew-vi
 * [new ref]         4a468822c0bf7641dee2e789812ca0185a6dc9c0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4a46882 OCaml 5.3.0 rebuild for Fedora 42