[CodeStyle] fix cpplint hook not working on CI

.pre-commit-config.yaml

@@ -51,6 +51,10 @@ repos:
         entry: bash ./tools/codestyle/cpplint_pre_commit.hook
         language: system
         files: \.(c|cc|cxx|cpp|cu|h|hpp|hxx)$
+        args:
+            - --extensions=c,cc,cxx,cpp,cu,cuh,h,hpp,hxx,kps
+            - --filter=-readability/fn_size,-build/include_what_you_use,-build/c++11,-whitespace/parens
+            - --quiet
 -   repo: local
     hooks:
     -   id: pylint-doc-string

tools/codestyle/cpplint_pre_commit.hook

@@ -1,32 +1,11 @@
 #!/bin/bash
 
-TOTAL_ERRORS=0
-
 readonly VERSION="1.6.0"
 
 version=$(cpplint --version)
 
-if [[ ! $TRAVIS_BRANCH ]]; then
-  # install cpplint on local machine.
-  if ! [[ $version == *"$VERSION"* ]]; then
+if ! [[ $version == *"$VERSION"* ]]; then
     pip install cpplint==1.6.0
-  fi
-  # diff files on local machine.
-  files=$(git diff --cached --name-status | awk '$1 != "D" {print $2}')
-else
-  # diff files between PR and latest commit on Travis CI.
-  branch_ref=$(git rev-parse "$TRAVIS_BRANCH")
-  head_ref=$(git rev-parse HEAD)
-  files=$(git diff --name-status $branch_ref $head_ref | awk '$1 != "D" {print $2}')
 fi
-# The trick to remove deleted files: https://stackoverflow.com/a/2413151
-for file in $files; do
-    if [[ $file =~ ^(patches/.*) ]]; then
-        continue;
-    else
-        cpplint --filter=-readability/fn_size,-build/include_what_you_use,-build/c++11,-whitespace/parens $file;
-        TOTAL_ERRORS=$(expr $TOTAL_ERRORS + $?);
-    fi
-done
 
-exit $TOTAL_ERRORS
+cpplint $@