#!/bin/bash # ****************************************************************************** # Copyright 2017-2019 Intel Corporation # # 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. # ****************************************************************************** #=================================================================================================== # Provides Bash functions for dealing with clang-format. #=================================================================================================== declare _intelnervana_clang_format_lib_SCRIPT_NAME="${BASH_SOURCE[${#BASH_SOURCE[@]} - 1]}" declare _maint_SCRIPT_DIR="$( cd $(dirname "${_intelnervana_clang_format_lib_SCRIPT_NAME}") && pwd )" source "${_maint_SCRIPT_DIR}/bash_lib.sh" clang_format_lib_verify_version() { if (( $# != 2 )); then bash_lib_print_error "Usage: ${FUNCNAME[0]} <clang-format-prog-pathname> <required-version-number>" return 1 fi local PROGNAME="${1}" local REQUIRED_VERSION_X_Y="${2}" if ! [[ "${REQUIRED_VERSION_X_Y}" =~ ^[0-9]+.[0-9]+$ ]]; then bash_lib_print_error "${FUNCNAME[0]}: required-version-number must have the form (number).(number)." return 1 fi if ! [[ -f "${PROGNAME}" ]]; then bash_lib_print_error "Unable to find clang-format program named '${PROGNAME}'" return 1 fi local VERSION_LINE if ! VERSION_LINE=$("${PROGNAME}" --version); then bash_lib_print_error "Failed invocation of command '${PROGNAME} --version'" return 1 fi local SED_FLAGS if [[ "$(uname)" == 'Darwin' ]]; then SED_FLAGS='-En' else SED_FLAGS='-rn' fi local VERSION_X_Y if ! VERSION_X_Y=$(echo "${VERSION_LINE}" | sed ${SED_FLAGS} 's/^clang-format version ([0-9]+.[0-9]+).*$/\1/p') then bash_lib_print_error "Failed invocation of sed." return 1 fi if [[ "${REQUIRED_VERSION_X_Y}" != "${VERSION_X_Y}" ]]; then bash_lib_print_error \ "Program '${PROGNAME}' reports version number '${VERSION_X_Y}'" \ "but we require '${REQUIRED_VERSION_X_Y}'" return 1 fi }