mirror of https://github.com/istio/proxy.git
118 lines
4.5 KiB
Bash
Executable File
118 lines
4.5 KiB
Bash
Executable File
#!/bin/bash
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#
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# Copyright 2016 Istio Authors. All Rights Reserved.
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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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#
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################################################################################
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#
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ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
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CLANG_VERSION_REQUIRED="14.0.0"
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CLANG_DIRECTORY="${HOME}/clang-${CLANG_VERSION_REQUIRED}"
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CLANG_FORMAT=$(command -v clang-format)
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CLANG_VERSION="$(${CLANG_FORMAT} -version 2>/dev/null | cut -d ' ' -f 3 | cut -d '-' -f 1)"
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# Try system clang first.
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if [[ ! -x "${CLANG_FORMAT}" || "${CLANG_VERSION}" != "${CLANG_VERSION_REQUIRED}" ]]; then
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CLANG_FORMAT="${CLANG_DIRECTORY}/bin/clang-format"
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# Try cached clang second.
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CLANG_VERSION="$(${CLANG_FORMAT} -version 2>/dev/null | cut -d ' ' -f 3 | cut -d '-' -f 1)"
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if [[ ! -x "${CLANG_FORMAT}" || "${CLANG_VERSION}" != "${CLANG_VERSION_REQUIRED}" ]]; then
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# Install required clang version to a folder and cache it.
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if [ "$(uname)" == "Darwin" ]; then
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CLANG_BIN="x86_64-darwin-apple.tar.xz"
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elif [[ "$(uname -s)" =~ Linux* ]]; then
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if [ "$(uname -m)" == "aarch64" ]; then
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CLANG_BIN="aarch64-linux-gnu.tar.xz"
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else
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CLANG_BIN="x86_64-linux-gnu-ubuntu-18.04.tar.xz"
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fi
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else
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echo "Unsupported environment." ; exit 1 ;
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fi
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LLVM_URL_PREFIX="https://github.com/llvm/llvm-project/releases/download/llvmorg"
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echo "Downloading clang-format: ${LLVM_URL_PREFIX}-${CLANG_VERSION_REQUIRED}/clang+llvm-${CLANG_VERSION_REQUIRED}-${CLANG_BIN}"
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echo "Installing required clang-format ${CLANG_VERSION_REQUIRED} to ${CLANG_DIRECTORY}"
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mkdir -p "${CLANG_DIRECTORY}"
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curl -L --silent --show-error --retry 10 \
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"${LLVM_URL_PREFIX}-${CLANG_VERSION_REQUIRED}/clang+llvm-${CLANG_VERSION_REQUIRED}-${CLANG_BIN}" \
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| tar Jx -C "${CLANG_DIRECTORY}" --strip=1 \
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|| { echo "Could not install required clang-format. Skip formatting." ; exit 1 ; }
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fi
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fi
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BUILDIFIER=$(command -v buildifier)
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if [[ ! -x "${BUILDIFIER}" ]]; then
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BUILDIFIER="${HOME}/bin/buildifier"
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if [[ ! -x "${BUILDIFIER}" ]]; then
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if [ "$(uname)" == "Darwin" ]; then
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BUILDIFIER_BIN="buildifier-darwin-amd64"
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elif [[ "$(uname -s)" =~ Linux* ]]; then
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if [ "$(uname -m)" == "aarch64" ]; then
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BUILDIFIER_BIN="buildifier-linux-arm64"
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else
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BUILDIFIER_BIN="buildifier-linux-amd64"
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fi
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else
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echo "Unsupported environment." ; exit 1 ;
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fi
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echo "Downloading buildifier"
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mkdir -p "${HOME}/bin"
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curl --silent --show-error --retry 10 --location \
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"https://github.com/bazelbuild/buildtools/releases/download/v6.1.2/${BUILDIFIER_BIN}" \
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-o "${BUILDIFIER}" \
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|| { echo "Could not install required buildifier. Skip formatting." ; exit 1 ; }
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chmod +x "${BUILDIFIER}"
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fi
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fi
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echo "Checking file format ..."
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pushd "${ROOT}" > /dev/null || exit 1
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SOURCE_FILES=()
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while IFS='' read -r line; do SOURCE_FILES+=("$line"); done < <(git ls-tree -r HEAD --name-only | grep -E '\.(h|c|cc|proto)$')
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"${CLANG_FORMAT}" -i "${SOURCE_FILES[@]}" \
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|| { echo "Could not run clang-format." ; exit 1 ; }
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CHANGED_SOURCE_FILES=()
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while IFS='' read -r line; do CHANGED_SOURCE_FILES+=("$line"); done < <(git diff HEAD --name-only | grep -E '\.(h|c|cc|proto)$')
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BAZEL_FILES=()
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while IFS='' read -r line; do BAZEL_FILES+=("$line"); done < <(git ls-tree -r HEAD --name-only | grep -E '(\.bzl|BUILD|WORKSPACE)$' |grep -v 'extensions_build_config.bzl')
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"${BUILDIFIER}" "${BAZEL_FILES[@]}" \
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|| { echo "Could not run buildifier." ; exit 1 ; }
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CHANGED_BAZEL_FILES=()
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while IFS='' read -r line; do CHANGED_BAZEL_FILES+=("$line"); done < <(git diff HEAD --name-only | grep -E '(\.bzl|BUILD|WORKSPACE)$')
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if [[ "${#CHANGED_SOURCE_FILES}" -ne 0 ]]; then
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echo -e "Source file(s) not formatted:\n${CHANGED_SOURCE_FILES[*]}"
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fi
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if [[ "${#CHANGED_BAZEL_FILES}" -ne 0 ]]; then
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echo -e "Bazel file(s) not formatted:\n${CHANGED_BAZEL_FILES[*]}"
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fi
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if [[ "${#CHANGED_SOURCE_FILES}" -ne 0 || "${#CHANGED_BAZEL_FILES}" -ne 0 ]]; then
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exit 1
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fi
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echo "All files are properly formatted."
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popd || exit 1
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