$ git clone -n https://src.fedoraproject.org/rpms/ocaml-psmt2-frontend.git /var/lib/mock/f45-build-20700-573/root/chroot_tmpdir/scmroot/ocaml-psmt2-frontend
Cloning into '/var/lib/mock/f45-build-20700-573/root/chroot_tmpdir/scmroot/ocaml-psmt2-frontend'...
$ git fetch origin 8d1df4b72649da051471bf908294c3e356a3ba2a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-psmt2-frontend
 * [new ref]         8d1df4b72649da051471bf908294c3e356a3ba2a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8d1df4b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild