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 14.0"
31
32die()
33{
34    echo " *** ERROR: $*"
35    exit 1
36}
37
38# Aliases are not expanded when the shell is not interactive, unless the
39# expand_aliases shell option is set using shopt.
40shopt -s expand_aliases
41
42if command -v clang-format-14 >/dev/null; then
43    alias clang-format=clang-format-14
44elif command -v clang-format >/dev/null; then
45    case "$(clang-format --version)" in
46        "$CLANG_FORMAT_VERSION"*) ;;
47
48        *)
49            die "$(clang-format --version); clang-format 14.0 required"
50            ;;
51    esac
52else
53    die "clang-format 14.0 required"
54fi
55
56clang-format "$@" || die
57
58# ensure EOF newline
59REPLACE=no
60FILES=()
61for arg; do
62    case $arg in
63        -i)
64            REPLACE=yes
65            ;;
66        -*) ;;
67        *)
68            FILES+=("$arg")
69            ;;
70    esac
71done
72
73[ $REPLACE != yes ] || {
74    for file in "${FILES[@]}"; do
75        [ -n "$(tail -c1 "$file")" ] && echo >>"$file"
76    done
77}
78
79exit 0
80