#!/bin/bash
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# Copyright (C) 2019 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Wrapper around checkpatch.sh to gather necessary information from the
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# dist dir. Notably, this includes the git_sha1 and whether to suppress
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# the check for post-submit.
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set -e
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export STATIC_ANALYSIS_SRC_DIR=$(dirname $(readlink -f $0))
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source ${STATIC_ANALYSIS_SRC_DIR}/../envsetup.sh
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export OUT_DIR=$(readlink -m ${OUT_DIR:-${ROOT_DIR}/out/${BRANCH}})
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export DIST_DIR=$(readlink -m ${DIST_DIR:-${OUT_DIR}/dist})
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APPLIED_PROP_PATH=${DIST_DIR}/applied.prop
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BUILD_INFO_PATH=${DIST_DIR}/BUILD_INFO
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verify_file_exists() {
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if [[ ! -f $1 ]]; then
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echo "Missing $1"
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exit 1
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fi
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}
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# Parse flags.
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BUILD_ID=""
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FORWARDED_ARGS=()
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while [[ $# -gt 0 ]]; do
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next="$1"
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case ${next} in
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--bid)
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BUILD_ID="$2"
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shift
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;;
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--help)
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echo "Checks whether given build is for presubmit. If so, extract git_sha1"
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echo "from repo.prop and invoke checkpatch.sh."
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echo ""
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echo "Usage: $0"
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echo " <--bid nnn> (The build ID. Required.)"
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echo " <args for checkpatch.sh>"
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exit 0
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;;
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*)
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FORWARDED_ARGS+=("$1")
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;;
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esac
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shift
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done
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if [[ -z $BUILD_ID ]]; then
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echo "WARNING: No --bid supplied. Assuming not presubmit build. Exiting."
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exit 0
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fi
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# Skip checkpatch for postsubmit (b/35390488).
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set +e
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echo "${BUILD_ID}" | grep -E "^P[0-9]+"
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if [[ $? -ne 0 ]]; then
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echo "Did not identify a presubmit build. Exiting."
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exit 0
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fi
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set -e
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# Pick the correct patch to test.
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verify_file_exists ${APPLIED_PROP_PATH}
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GIT_SHA1=$(grep -E "${KERNEL_DIR} [0-9a-f]+" "${APPLIED_PROP_PATH}" | awk '{print $2}')
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if [[ -z ${GIT_SHA1} ]]; then
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# Since applied.prop only tracks user changes, ignore projects that are
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# included in presubmit without any changed files.
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echo "No changes to apply for ${KERNEL_DIR}."
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exit 0
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fi
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${STATIC_ANALYSIS_SRC_DIR}/checkpatch.sh --git_sha1 ${GIT_SHA1} ${FORWARDED_ARGS[*]}
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