$ git clone -n https://src.fedoraproject.org/rpms/ocaml-odoc-parser.git /var/lib/mock/f38-build-side-42-init-devel-785576-27967/root/chroot_tmpdir/scmroot/ocaml-odoc-parser
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-785576-27967/root/chroot_tmpdir/scmroot/ocaml-odoc-parser'...
$ git fetch origin 6404f96cccdecf9a3486d4ca877127c4e4ffdbf5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-odoc-parser
 * [new ref]         6404f96cccdecf9a3486d4ca877127c4e4ffdbf5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6404f96 Bump release and rebuild