rebar.config

{erl_opts, [{src_dirs, ["src", "test"]},
            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_missing_spec,
            warn_untyped_record, debug_info]}.
{deps_dir, "deps"}.
{deps, [recon]}.

{escript_main_app, observer_cli}.
{escript_emu_args, "%%! -escript main observer_cli_escriptize -hidden +sbtu +A0 -elixir ansi_enabled true\n"}.
{escript_incl_apps, [recon]}.

{dialyzer_opts, [{warnings, [unmatched_returns, error_handling, race_conditions, behaviours]}]}.
{edoc_opts, [{report_missing_types, true}, {source_path, ["src"]}, {report_missing_types, true}, {todo, true}, {packages, false}, {subpackages, false}]}.
{xref_checks, [undefined_function_calls]}.
{cover_enabled, true}.
{post_hooks, [{"(linux|darwin|solaris)", edoc, "escript doc/docsite.erl"}]}.

{profiles, [
  {inet6, [
    {escript_emu_args, "%%! -escript main observer_cli_escriptize -hidden -proto_dist inet6_tcp +sbtu +A0 -elixir ansi_enabled true\n"}
  ]}
]}.

{project_plugins, [rebar3_format, erlfmt]}.
{format, [
  {files, ["src/*.erl", "include/*.hrl"]},
  {formatter, erlfmt_formatter}, %% The erlfmt formatter interface.
  {options, #{print_width => 100, ignore_pragma => true}} %% ...or no options at all.
]}.