python: define _BaseObject._ptr property
[babeltrace.git] / tools / format-cpp.sh
... / ...
CommitLineData
1#!/bin/bash
2#
3# SPDX-License-Identifier: GPL-2.0-only
4#
5# Copyright (C) 2020-2023 Philippe Proulx <pproulx@efficios.com>
6
7expected_formatter_major_version=15
8
9# Runs the formatter, returning 1 if it's not the expected version.
10#
11# Argument 1:
12# Starting directory.
13#
14# Remaining arguments:
15# Formatter command.
16format_cpp() {
17 local root_dir=$1
18
19 shift
20
21 local formatter=("$@")
22 local version
23
24 if ! version=$("${formatter[@]}" --version); then
25 echo "Cannot execute \`${formatter[*]} --version\`." >&2
26 return 1
27 fi
28
29 if [[ "$version" != *"clang-format version $expected_formatter_major_version"* ]]; then
30 {
31 echo "Expecting clang-format $expected_formatter_major_version."
32 echo
33 echo Got:
34 echo
35 echo "$version"
36 } >& 2
37
38 return 1
39 fi
40
41 # Using xargs(1) to fail as soon as the formatter fails (`-exec`
42 # won't stop if its subprocess fails).
43 #
44 # We want an absolute starting directory because find(1) excludes
45 # files in specific subdirectories.
46 find "$(realpath "$root_dir")" \( -name '*.cpp' -o -name '*.hpp' \) \
47 ! -path '*/.git/*' \
48 ! -path '*/src/cpp-common/vendor/*' \
49 ! -path '*/src/plugins/ctf/common/metadata/parser.*' \
50 ! -path '*/src/plugins/ctf/common/metadata/lexer.*' \
51 -print0 | xargs -P"$(nproc)" -n1 -t -0 "${formatter[@]}"
52}
53
54# Choose formatter
55if [[ -n "$FORMATTER" ]]; then
56 # Try using environment-provided formatter
57 read -ra formatter <<< "$FORMATTER"
58elif command -v clang-format-$expected_formatter_major_version &> /dev/null; then
59 # Try using the expected version of clang-format
60 formatter=("clang-format-$expected_formatter_major_version" -i)
61else
62 # Try using `clang-format` as is
63 formatter=(clang-format -i)
64fi
65
66# Choose root directory
67if (($# == 1)); then
68 root_dir=$1
69
70 if [[ ! -d "$root_dir" ]]; then
71 echo "\`$root_dir\`: expecting an existing directory." >& 2
72 exit 1
73 fi
74else
75 # Default: root of the project, processing all C++ files
76 root_dir="$(dirname "${BASH_SOURCE[0]}")/.."
77fi
78
79# Try to format files
80format_cpp "$root_dir" "${formatter[@]}"
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