$ git clone -n https://src.fedoraproject.org/rpms/ocaml-dbus.git /var/lib/mock/f45-build-20510-571/root/chroot_tmpdir/scmroot/ocaml-dbus
Cloning into '/var/lib/mock/f45-build-20510-571/root/chroot_tmpdir/scmroot/ocaml-dbus'...
$ git fetch origin d56a25432efd9ae58ba3c6378881f15c26623622:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-dbus
 * [new ref]         d56a25432efd9ae58ba3c6378881f15c26623622 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d56a254 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild