$ git clone -n https://src.fedoraproject.org/rpms/erlang-cowboy.git /var/lib/mock/f38-build-side-42-init-devel-756167-27676/root/chroot_tmpdir/scmroot/erlang-cowboy
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-756167-27676/root/chroot_tmpdir/scmroot/erlang-cowboy'...
$ git fetch origin fd46bc3dabd7b67de05f413ea8da113e2c7efc21:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-cowboy
 * [new ref]         fd46bc3dabd7b67de05f413ea8da113e2c7efc21 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fd46bc3 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild