$ git clone -n https://src.fedoraproject.org/rpms/erlang-rebar.git /var/lib/mock/f39-build-1505471-35142/root/chroot_tmpdir/scmroot/erlang-rebar
Cloning into '/var/lib/mock/f39-build-1505471-35142/root/chroot_tmpdir/scmroot/erlang-rebar'...
$ git fetch origin 7988e2d33fcdc64f8d1c4e139605c856234f1c41:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-rebar
 * [new ref]         7988e2d33fcdc64f8d1c4e139605c856234f1c41 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7988e2d Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild