rebar.config

{erl_opts, [
    debug_info,
    warn_unused_vars,
    warn_export_all,
    warn_shadow_vars,
    warn_unused_import,
    warn_unused_function,
    warn_bif_clash,
    warn_unused_record,
    warn_deprecated_function,
    warn_obsolete_guard,
    strict_validation,
    warn_export_vars,
    warn_exported_vars,
    warn_untyped_record
]}.

{deps, [  {eunit_formatters, "0.5.0"}
        , {covertool,        "2.0.0"}
        ]}.

{plugins, [covertool]}.
{cover_export_enabled, true}.
{covertool_eunit, {".eunit/eunit.coverdata", "eunit.coverage.xml"}}.
{covertool_prefix_len, 2}.

{xref_checks, [undefined_function_calls]}.