$ git clone -n https://src.fedoraproject.org/rpms/erlang-cache_tab.git /var/lib/mock/f45-build-8236-382/root/chroot_tmpdir/scmroot/erlang-cache_tab
Cloning into '/var/lib/mock/f45-build-8236-382/root/chroot_tmpdir/scmroot/erlang-cache_tab'...
$ git fetch origin 4ba33318897713a8358985521eb88aee20dbdd43:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-cache_tab
 * [new ref]         4ba33318897713a8358985521eb88aee20dbdd43 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4ba3331 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild