$ git clone -n https://src.fedoraproject.org/rpms/ocaml-camlidl.git /var/lib/mock/f45-build-20492-571/root/chroot_tmpdir/scmroot/ocaml-camlidl
Cloning into '/var/lib/mock/f45-build-20492-571/root/chroot_tmpdir/scmroot/ocaml-camlidl'...
$ git fetch origin 54e296553bff6261f9a3cad38a792865aa8e8fd3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-camlidl
 * [new ref]         54e296553bff6261f9a3cad38a792865aa8e8fd3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 54e2965 Bump and rebuild