$ git clone -n https://src.fedoraproject.org/rpms/not-ocamlfind.git /var/lib/mock/f45-build-39885-764/root/chroot_tmpdir/scmroot/not-ocamlfind
Cloning into '/var/lib/mock/f45-build-39885-764/root/chroot_tmpdir/scmroot/not-ocamlfind'...
$ git fetch origin 4b4cd02f0acb13aa7d935859f908ea6b1ad28365:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/not-ocamlfind
 * [new ref]         4b4cd02f0acb13aa7d935859f908ea6b1ad28365 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4b4cd02 OCaml 5.5.1 rebuild