1 files changed, 67 insertions, 0 deletions
diff --git a/tools/distrib/check_trailing_newlines.sh b/tools/distrib/check_trailing_newlines.sh
new file mode 100755
index 0000000000..0be21f0cff
--- /dev/null
+++ b/tools/distrib/check_trailing_newlines.sh
@@ -0,0 +1,67 @@
+#!/bin/bash
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# change to root directory
+cd $(dirname $0)/../..
+
+function find_without_newline() {
+  find . -type f -not -path './third_party/*' -and \(  \
+                             -name '*.c'               \
+                         -or -name '*.cc'              \
+                         -or -name '*.proto'           \
+                         -or -name '*.rb'              \
+                         -or -name '*.py'              \
+                         -or -name '*.cs'              \
+                         -or -name '*.sh' \) -print0   \
+                         | while IFS= read -r -d '' f; do
+    if [[ ! -z $f ]]; then
+      if [[ $(tail -c 1 "$f") != $NEWLINE ]]; then
+        echo "Error: file '$f' is missing a trailing newline character."
+        if $2; then  # fix
+          sed -i -e '$a\' $f
+          echo 'Fixed!'
+        fi
+      fi
+    fi
+  done
+}
+
+if [[ $# == 1 && $1 == '--fix' ]]; then
+  ERRORS=$(find_without_newline true)
+else
+  ERRORS=$(find_without_newline false)
+fi
+
+if [[ "$ERRORS" != '' ]]; then
+  echo "$ERRORS"
+  if ! $FIX; then
+    exit 1
+  fi
+fi