projects / lttng-tools.git / blame
| Commit | Line | Data |
|---|---|---|
| e89902fd JG |
1 | #!/bin/bash |
| 2 | # | |
| 3 | # SPDX-License-Identifier: GPL-2.0-only | |
| 4 | # | |
| 5 | # Copyright (C) 2020-2022 Philippe Proulx <pproulx@efficios.com> | |
| 6 | ||
| 7 | expected_formatter_major_version=14 | |
| 8 | ||
| 9 | # Runs the formatter, making sure it's the expected version. | |
| 10 | format_cpp() { | |
| 11 | local formatter=$1 | |
| 12 | local version | |
| 13 | ||
| 14 | version=$($formatter --version) | |
| 15 | ||
| 16 | # shellcheck disable=SC2181 | |
| 17 | if (($? != 0)); then | |
| 18 | echo "Cannot execute \`$formatter --version\`." >&2 | |
| 19 | return 1 | |
| 20 | fi | |
| 21 | ||
| 22 | if [[ "$version" != *"clang-format version $expected_formatter_major_version"* ]]; then | |
| 23 | echo "Expecting clang-format $expected_formatter_major_version." >&2 | |
| 24 | echo -n Got: >&2 | |
| 25 | echo " \`$version\`" >&2 | |
| 26 | echo >&2 | |
| 27 | echo "Use the FORMATTER environment variable to specify the location of clang-format $expected_formatter_major_version" | |
| 28 | return 1 | |
| 29 | fi | |
| 30 | ||
| 31 | local root_dir | |
| 32 | ||
| 33 | root_dir="$(dirname "${BASH_SOURCE[0]}")" | |
| 34 | ||
| 35 | # Using xargs to fail as soon as the formatter fails (`-exec` | |
| 36 | # won't stop if its subprocess fails). | |
| 37 | # | |
| 38 | # shellcheck disable=SC2086 | |
| 39 | find "$root_dir" -path './src/vendor' -prune \ | |
| 40 | -o -type f \( -name '*\.h' -o -name '*\.hpp' -o -name '*\.c' -o -name '*\.cpp' \) \ | |
| 41 | -not -path '*/\.*' -print0 | xargs -n1 -0 $formatter -i --style=file --fallback-style=none | |
| 42 | } | |
| 43 | ||
| 44 | if [[ -n "$FORMATTER" ]]; then | |
| 45 | # Try using environment-provided formatter | |
| 46 | formatter=$FORMATTER | |
| 47 | elif command -v clang-format-$expected_formatter_major_version &> /dev/null; then | |
| 48 | # Try using the expected version of clang-format | |
| 49 | formatter="clang-format-$expected_formatter_major_version -i" | |
| 50 | else | |
| 51 | # Try using `clang-format` as is | |
| 52 | formatter='clang-format -i' | |
| 53 | fi | |
| 54 | ||
| 55 | # Try to format files | |
| 56 | format_cpp "$formatter" |