emqx_plugin_kafka/rebar.config

{deps, [
    {cuttlefish, {git, "https://github.com/emqx/cuttlefish.git",  {branch, "master"}}},
    {ekaf, {git, "https://github.com/helpshift/ekaf.git",  {branch, "master"}}},
    {emqx, {git, "https://github.com/emqx/emqx.git",  {branch, "master"}}}
]}.

{erl_opts, [debug_info]}.