Check formatting is equivalent on travisjv-mix-format

2 files changed, 13 insertions, 11 deletions

diff --git a/.travis.yml b/.travis.yml
index f246d4c62..c208778dc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -22,9 +22,12 @@ script:
   - make compile
   - rm -rf .git
   - make test
+  - bin/elixir bin/mix format --dry-run --check-equivalent
   - dialyzer -pa lib/elixir/ebin --build_plt --output_plt elixir.plt --apps lib/elixir/ebin/elixir.beam lib/elixir/ebin/Elixir.Kernel.beam
 
 notifications:
   recipients:
-    - jose.valim@plataformatec.com.br
+    - jose.valim@gmail.com.br
     - eric.meadows.jonsson@gmail.com
+    - lexmag@me.com
+    - an.leopardi@gmail.com
diff --git a/lib/elixir/src/elixir.erl b/lib/elixir/src/elixir.erl
index 292b1097c..9af8f934e 100644
--- a/lib/elixir/src/elixir.erl
+++ b/lib/elixir/src/elixir.erl
@@ -35,16 +35,15 @@ start(_Type, _Args) ->
       error   -> [binary]
     end,
 
-  OTPRelease = string:to_integer(erlang:system_info(otp_release)),
-
   %% Whenever we change this check, we should also change escript.build.
-  case OTPRelease of
-    {Num, _} when Num >= 19 ->
-      ok;
-    _ ->
-      io:format(standard_error, "unsupported Erlang version, expected Erlang 19+~n", []),
-      erlang:halt(1)
-  end,
+  OTPRelease =
+    case string:to_integer(erlang:system_info(otp_release)) of
+      {Num, _} when Num >= 19 ->
+        Num;
+      _ ->
+        io:format(standard_error, "unsupported Erlang version, expected Erlang 19+~n", []),
+        erlang:halt(1)
+    end,
 
   %% We need to make sure the re module is preloaded
   %% to make function_exported checks on it fast.
@@ -83,7 +82,7 @@ start(_Type, _Args) ->
   %% TODO: Remove OTPRelease check once we support OTP 20+.
   Tokenizer = case code:ensure_loaded('Elixir.String.Tokenizer') of
     {module, Mod} when OTPRelease >= 20 -> Mod;
-    {error, _} -> elixir_tokenizer
+    _ -> elixir_tokenizer
   end,
 
   URIConfig = [{{uri, <<"ftp">>}, 21},