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#!/bin/bash
# Copyright (c) 2015 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
VPP_DIR=`dirname $0`/../../
EXIT_CODE=0
FIX="0"
FULL="0"
CHECKSTYLED_FILES=""
UNCHECKSTYLED_FILES=""
# If the user provides --fix, then actually fix things
# Note: this is meant for use outside of the CI Jobs, by users cleaning things up
while true; do
case ${1} in
--fix)
FIX="1"
;;
--full)
FULL="1"
;;
esac
shift || break
done
if [ "${FULL}" == "1" ]; then
FILELIST=$(git ls-tree -r HEAD --name-only)
else
FILELIST=$((git diff HEAD~1.. --name-only; git ls-files -m ) | sort -u)
fi
# Check to make sure we have indent. Exit if we don't with an error message, but
# don't *fail*.
command -v indent > /dev/null
if [ $? != 0 ]; then
echo "Cound not find required command \"indent\". Checkstyle aborted"
exit ${EXIT_CODE}
fi
indent --version
# Check to make sure we have clang-format. Exit if we don't with an error message, but
# don't *fail*.
HAVE_CLANG_FORMAT=0
command -v clang-format > /dev/null
if [ $? != 0 ]; then
echo "Could not find command \"clang-format\". Checking C++ files will cause abort"
else
clang-format --version
x=$(echo "" | clang-format 2>&1)
if [[ "$x" == "" ]]; then
HAVE_CLANG_FORMAT=1
else
echo "Output produced while formatting empty file (expected empty string):"
echo "$x"
echo "Could not find working \"clang-format\". Checking C++ files will cause abort"
fi
fi
cd ${VPP_DIR}
git status
for i in ${FILELIST}; do
if [ -f ${i} ] && [ ${i} != "build-root/scripts/checkstyle.sh" ] && [ ${i} != "extras/emacs/fix-coding-style.el" ]; then
grep -q "fd.io coding-style-patch-verification: ON" ${i}
if [ $? == 0 ]; then
EXTENSION=`basename ${i} | sed 's/^\w\+.//'`
case ${EXTENSION} in
hpp|cpp|cc|hh)
CMD="clang-format"
if [ ${HAVE_CLANG_FORMAT} == 0 ]; then
echo "C++ file detected. Abort. (missing clang-format)"
exit ${EXIT_CODE}
fi
;;
*)
CMD="indent"
;;
esac
CHECKSTYLED_FILES="${CHECKSTYLED_FILES} ${i}"
if [ ${FIX} == 0 ]; then
if [ "${CMD}" == "clang-format" ]
then
clang-format ${i} > ${i}.out2
else
indent ${i} -o ${i}.out1 > /dev/null 2>&1
indent ${i}.out1 -o ${i}.out2 > /dev/null 2>&1
fi
# Remove trailing whitespace
sed -i -e 's/[[:space:]]*$//' ${i}.out2
diff -q ${i} ${i}.out2
else
if [ "${CMD}" == "clang-format" ]; then
clang-format -i ${i} > /dev/null 2>&1
else
indent ${i}
indent ${i}
fi
# Remove trailing whitespace
sed -i -e 's/[[:space:]]*$//' ${i}
fi
if [ $? != 0 ]; then
EXIT_CODE=1
echo
echo "Checkstyle failed for ${i}."
if [ "${CMD}" == "clang-format" ]; then
echo "Run clang-format as shown to fix the problem:"
echo "clang-format -i ${VPP_DIR}${i}"
else
echo "Run indent (twice!) as shown to fix the problem:"
echo "indent ${VPP_DIR}${i}"
echo "indent ${VPP_DIR}${i}"
fi
fi
if [ -f ${i}.out1 ]; then
rm ${i}.out1
fi
if [ -f ${i}.out2 ]; then
rm ${i}.out2
fi
else
UNCHECKSTYLED_FILES="${UNCHECKSTYLED_FILES} ${i}"
fi
else
UNCHECKSTYLED_FILES="${UNCHECKSTYLED_FILES} ${i}"
fi
done
if [ ${EXIT_CODE} == 0 ]; then
echo "*******************************************************************"
echo "* VPP CHECKSTYLE SUCCESSFULLY COMPLETED"
echo "*******************************************************************"
else
echo "*******************************************************************"
echo "* VPP CHECKSTYLE FAILED"
echo "* CONSULT FAILURE LOG ABOVE"
echo "* NOTE: Running 'build-root/scripts/checkstyle.sh --fix' *MAY* fix the issue"
echo "*******************************************************************"
fi
exit ${EXIT_CODE}
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