add EOL check to travis CI (onnx#420)

* add EOL check to travis CI

* install dos2unix package in travis

* fix the line ending

.travis.yml

@@ -6,6 +6,11 @@ python:
   - "2.7"
   - "3.6"
 
+addons:
+  apt:
+    packages:
+      - dos2unix
+
 install:
   - ./.travis/install.sh
 
@@ -24,4 +29,4 @@ env:
     - USE_NINJA=false
     - USE_NINJA=true
     - ONNX_ML=1 USE_NINJA=false
-    - ONNX_ML=1 USE_NINJA=true
+    - ONNX_ML=1 USE_NINJA=true

.travis/build.sh

@@ -16,9 +16,14 @@ cd $onnx_dir
 pip install pytest-cov nbval
 pytest
 
+# check line endings to be UNIX
+find . -type f -regextype posix-extended -regex '.*\.(py|cpp|md|h|cc|proto|proto3|in)' | xargs dos2unix
+git status
+git diff --exit-code
+
 # check auto-gen files up-to-date
 python onnx/defs/gen_doc.py
 python onnx/gen_proto.py
 backend-test-tools generate-data
 git status
-git diff --exit-code
+git diff --exit-code

onnx/onnx_pb.h

@@ -1,13 +1,13 @@
-// Copyright (c) Facebook Inc. and Microsoft Corporation.
-// Licensed under the MIT license.
-
-#ifndef ONNX_ONNX_PB_H
-#define ONNX_ONNX_PB_H
-
-#ifdef ONNX_ML
-#include "onnx/onnx-ml.pb.h"
-#else
-#include "onnx/onnx.pb.h"
-#endif
-
+// Copyright (c) Facebook Inc. and Microsoft Corporation.
+// Licensed under the MIT license.
+
+#ifndef ONNX_ONNX_PB_H
+#define ONNX_ONNX_PB_H
+
+#ifdef ONNX_ML
+#include "onnx/onnx-ml.pb.h"
+#else
+#include "onnx/onnx.pb.h"
+#endif
+
 #endif // ! ONNX_ONNX_PB_H