$ git clone -n https://src.fedoraproject.org/rpms/ocaml-intrinsics-kernel.git /var/lib/mock/f45-build-20542-571/root/chroot_tmpdir/scmroot/ocaml-intrinsics-kernel
Cloning into '/var/lib/mock/f45-build-20542-571/root/chroot_tmpdir/scmroot/ocaml-intrinsics-kernel'...
$ git fetch origin 157c180a025f23b37da0900eacf1e8afeef06936:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-intrinsics-kernel
 * [new ref]         157c180a025f23b37da0900eacf1e8afeef06936 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 157c180 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild