$ git clone -n https://src.fedoraproject.org/rpms/ocaml-odoc.git /var/lib/mock/f39-build-2174898-51070/root/chroot_tmpdir/scmroot/ocaml-odoc
Cloning into '/var/lib/mock/f39-build-2174898-51070/root/chroot_tmpdir/scmroot/ocaml-odoc'...
$ git fetch origin 1ff748c4657d159ea59ee42d8a316d4ee38f293f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-odoc
 * [new ref]         1ff748c4657d159ea59ee42d8a316d4ee38f293f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1ff748c Version 2.2.1