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#!/usr/bin/env bash
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you 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.
#
set -uo pipefail
ROOT=$(cd $(dirname $BASH_SOURCE)/../../..; pwd)
IWYU_LOG=$(mktemp -t arrow-cpp-iwyu.XXXXXX)
trap "rm -f $IWYU_LOG" EXIT
IWYU_MAPPINGS_PATH="$ROOT/cpp/build-support/iwyu/mappings"
IWYU_ARGS="\
--mapping_file=$IWYU_MAPPINGS_PATH/boost-all.imp \
--mapping_file=$IWYU_MAPPINGS_PATH/boost-all-private.imp \
--mapping_file=$IWYU_MAPPINGS_PATH/boost-extra.imp \
--mapping_file=$IWYU_MAPPINGS_PATH/gflags.imp \
--mapping_file=$IWYU_MAPPINGS_PATH/glog.imp \
--mapping_file=$IWYU_MAPPINGS_PATH/gmock.imp \
--mapping_file=$IWYU_MAPPINGS_PATH/gtest.imp \
--mapping_file=$IWYU_MAPPINGS_PATH/arrow-misc.imp"
set -e
affected_files() {
pushd $ROOT > /dev/null
local commit=$($ROOT/cpp/build-support/get-upstream-commit.sh)
git diff --name-only $commit | awk '/\.(c|cc|h)$/'
popd > /dev/null
}
# Show the IWYU version. Also causes the script to fail if iwyu is not in your
# PATH
include-what-you-use --version
if [[ "${1:-}" == "all" ]]; then
python $ROOT/cpp/build-support/iwyu/iwyu_tool.py -p ${IWYU_COMPILATION_DATABASE_PATH:-.} \
-- $IWYU_ARGS | awk -f $ROOT/cpp/build-support/iwyu/iwyu-filter.awk
elif [[ "${1:-}" == "match" ]]; then
ALL_FILES=
IWYU_FILE_LIST=
for path in $(find $ROOT/cpp/src -type f | awk '/\.(c|cc|h)$/'); do
if [[ $path =~ $2 ]]; then
IWYU_FILE_LIST="$IWYU_FILE_LIST $path"
fi
done
echo "Running IWYU on $IWYU_FILE_LIST"
python $ROOT/cpp/build-support/iwyu/iwyu_tool.py \
-p ${IWYU_COMPILATION_DATABASE_PATH:-.} $IWYU_FILE_LIST -- \
$IWYU_ARGS | awk -f $ROOT/cpp/build-support/iwyu/iwyu-filter.awk
else
# Build the list of updated files which are of IWYU interest.
file_list_tmp=$(affected_files)
if [ -z "$file_list_tmp" ]; then
exit 0
fi
# Adjust the path for every element in the list. The iwyu_tool.py normalizes
# paths (via realpath) to match the records from the compilation database.
IWYU_FILE_LIST=
for p in $file_list_tmp; do
IWYU_FILE_LIST="$IWYU_FILE_LIST $ROOT/$p"
done
python $ROOT/cpp/build-support/iwyu/iwyu_tool.py \
-p ${IWYU_COMPILATION_DATABASE_PATH:-.} $IWYU_FILE_LIST -- \
$IWYU_ARGS | awk -f $ROOT/cpp/build-support/iwyu/iwyu-filter.awk > $IWYU_LOG
fi
if [ -s "$IWYU_LOG" ]; then
# The output is not empty: the changelist needs correction.
cat $IWYU_LOG 1>&2
exit 1
fi
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