1#!/bin/bash 2# 3# Copyright (c) 2018, The OpenThread Authors. 4# All rights reserved. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions are met: 8# 1. Redistributions of source code must retain the above copyright 9# notice, this list of conditions and the following disclaimer. 10# 2. Redistributions in binary form must reproduce the above copyright 11# notice, this list of conditions and the following disclaimer in the 12# documentation and/or other materials provided with the distribution. 13# 3. Neither the name of the copyright holder nor the 14# names of its contributors may be used to endorse or promote products 15# derived from this software without specific prior written permission. 16# 17# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 18# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 21# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27# POSSIBILITY OF SUCH DAMAGE. 28# 29 30CLANG_FORMAT_VERSION="clang-format version 9.0" 31 32die() 33{ 34 echo " *** ERROR: $*" 35 exit 1 36} 37 38# Aliases are not expanded when the shell is not interactive, unless the 39# expand_aliases shell option is set using shopt. 40shopt -s expand_aliases 41 42if command -v clang-format-9 >/dev/null; then 43 alias clang-format=clang-format-9 44elif command -v clang-format >/dev/null; then 45 case "$(clang-format --version)" in 46 "$CLANG_FORMAT_VERSION"*) ;; 47 48 *) 49 die "$(clang-format --version); clang-format 9.0 required" 50 ;; 51 esac 52else 53 die "clang-format 9.0 required" 54fi 55 56clang-format "$@" || die 57 58# ensure EOF newline 59REPLACE=no 60for arg; do 61 case $arg in 62 -i) 63 REPLACE=yes 64 ;; 65 esac 66done 67 68file=$arg 69 70[ $REPLACE != yes ] || { 71 [ -n "$(tail -c1 "$file")" ] && echo >>"$file" 72} 73 74exit 0 75