$ git clone -n https://src.fedoraproject.org/rpms/ocaml-result.git /var/lib/mock/f43-build-side-114891-61012051-6587670/root/chroot_tmpdir/scmroot/ocaml-result
Cloning into '/var/lib/mock/f43-build-side-114891-61012051-6587670/root/chroot_tmpdir/scmroot/ocaml-result'...
$ git fetch origin 41cef3b976f774b7072b52cd96e1db2d103000d3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-result
 * [new ref]         41cef3b976f774b7072b52cd96e1db2d103000d3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 41cef3b Rebuild to fix OCaml dependencies