Adopt erlfmt

Makefile

@@ -16,5 +16,8 @@ clean: $(REBAR)
 	$(REBAR) clean
 
 test: $(REBAR)
+	$(REBAR) fmt --check
 	$(REBAR) eunit skip_deps=true
 
+format: $(REBAR)
+	$(REBAR) fmt

rebar.config

@@ -1,10 +1,22 @@
 %%-*- mode: erlang -*-
 {cover_enabled, true}.
 
-{erl_opts, [debug_info, fail_on_warning,
-            {parse_transform, lager_transform}]}.
+{erl_opts, [
+    debug_info,
+    fail_on_warning,
+    {parse_transform, lager_transform}
+]}.
 
 {deps, [
-        {lager, "3.9.2"},
-        dns_erlang
-       ]}.
+    {lager, "3.9.2"},
+    dns_erlang
+]}.
+
+{project_plugins, [
+    erlfmt
+]}.
+
+{erlfmt, [
+    write,
+    {print_width, 140}
+]}.

src/dnstest.app.src

@@ -1,13 +1,16 @@
-{application, dnstest,
- [{description, "Conformance tests for DNS servers"},
-  {vsn, git},
-  {modules, [dnstest,
-             dnstest_app,
-             dnstest_harness]},
-  {registered, [dnstest_harness]},
-  {mod, { dnstest_app, []}},
-  {applications, [kernel,
-                  stdlib,
-                  lager]}]}.
-
-
+{application, dnstest, [
+    {description, "Conformance tests for DNS servers"},
+    {vsn, git},
+    {modules, [
+        dnstest,
+        dnstest_app,
+        dnstest_harness
+    ]},
+    {registered, [dnstest_harness]},
+    {mod, {dnstest_app, []}},
+    {applications, [
+        kernel,
+        stdlib,
+        lager
+    ]}
+]}.

src/dnstest.erl

@@ -3,32 +3,32 @@
 -export([start/0, stop/0, run/0, run/1]).
 
 start() ->
-  application:ensure_all_started(dnstest),
-  case init:get_plain_arguments() of
-    [] -> run([]);
-    Names -> run(Names)
-  end.
+    application:ensure_all_started(dnstest),
+    case init:get_plain_arguments() of
+        [] -> run([]);
+        Names -> run(Names)
+    end.
 
 stop() ->
-  application:stop(dnstest).
+    application:stop(dnstest).
 
 run() -> run([]).
 
 run(Name) when is_atom(Name) ->
-  run([atom_to_list(Name)]);
+    run([atom_to_list(Name)]);
 run([]) ->
-  dnstest_metrics:start(),
-  lager:info("Running all tests (#~p)", [dnstest_metrics:run_number()]),
-  DefinitionsModule = definitions_module(),
-  gen_server:cast(dnstest_harness, {run, DefinitionsModule:definitions()});
+    dnstest_metrics:start(),
+    lager:info("Running all tests (#~p)", [dnstest_metrics:run_number()]),
+    DefinitionsModule = definitions_module(),
+    gen_server:cast(dnstest_harness, {run, DefinitionsModule:definitions()});
 run(Names) ->
-  dnstest_metrics:start(),
-  lager:info("Running targeted tests: ~p (#~p)", [Names, dnstest_metrics:run_number()]),
-  DefinitionsModule = definitions_module(),
-  gen_server:cast(dnstest_harness, {run_target, DefinitionsModule:definitions(), Names}).
+    dnstest_metrics:start(),
+    lager:info("Running targeted tests: ~p (#~p)", [Names, dnstest_metrics:run_number()]),
+    DefinitionsModule = definitions_module(),
+    gen_server:cast(dnstest_harness, {run_target, DefinitionsModule:definitions(), Names}).
 
 definitions_module() ->
-  case application:get_env(dnstest, definitions) of
-    {ok, Module} -> Module;
-    _ -> dnstest_definitions
-  end.
+    case application:get_env(dnstest, definitions) of
+        {ok, Module} -> Module;
+        _ -> dnstest_definitions
+    end.

src/dnstest_app.erl

@@ -5,9 +5,9 @@
 -export([start/2, stop/1]).
 
 start(Type, Args) ->
-  lager:info("~p:start(~p, ~p)", [?MODULE, Type, Args]),
-  dnstest_sup:start_link().
+    lager:info("~p:start(~p, ~p)", [?MODULE, Type, Args]),
+    dnstest_sup:start_link().
 
 stop(State) ->
-  lager:info("~p:stop(~p)~n", [?MODULE, State]),
-  ok.
+    lager:info("~p:stop(~p)~n", [?MODULE, State]),
+    ok.