$ git clone -n https://src.fedoraproject.org/rpms/ocaml-seq.git /var/lib/mock/f39-build-2480035-61579/root/chroot_tmpdir/scmroot/ocaml-seq
Cloning into '/var/lib/mock/f39-build-2480035-61579/root/chroot_tmpdir/scmroot/ocaml-seq'...
$ git fetch origin bf31b87e1a8f0311aad9f4bab94204ad68b2a54d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-seq
 * [new ref]         bf31b87e1a8f0311aad9f4bab94204ad68b2a54d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bf31b87 Orphaned for 6+ weeks