doompanning/etc/format-check.sh
oxmox 7063e2102e Squashed 'external/nng/' content from commit 29b73962
git-subtree-dir: external/nng
git-subtree-split: 29b73962b939a6fbbf6ea8d5d7680bb06d0eeb99
2024-12-18 18:29:29 +01:00

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#!/usr/bin/env bash
#
# Copyright 2016 Garrett D'Amore <garrett@damore.org>
#
# This software is supplied under the terms of the MIT License, a
# copy of which should be located in the distribution where this
# file was obtained (LICENSE.txt). A copy of the license may also be
# found online at https://opensource.org/licenses/MIT.
#
#
# This script is used to run uncrustify and report files that don't match.
# It looks for .c and .h files, located in ../src, and uses the config file
# uncrustify.cfg located in the same directory as this script. It only handles
# C language at this point.
#
CLANG_FORMAT=${CLANG_FORMAT:-clang-format}
case "${CLANG_FORMAT}" in
no|off|skip|NO|OFF|SKIP)
echo "format checks skipped"
exit 0
;;
esac
mydir=$(dirname $0)
srcdir=${mydir}/../src
failed=
vers=$(${CLANG_FORMAT} -version)
if [ $? -ne 0 ]; then
echo "clang format not found? Skipping checks."
exit 0
fi
versno=${vers#clang-format version }
prefix=${vers%${versno}}
if [ "$prefix" != "clang-format version " ]
then
echo "clang-format version misparsed. Skipping checks."
exit 0
fi
# strip off any -ubuntu suffix
versno=${versno%%-*}
maj=${versno%%.*}
rem=${versno#*.}
min=${rem%%.*}
if [ "${maj}" -lt 3 ]; then
echo "clang-format is too old. Skipping checks."
exit 0
fi
if [ "${maj}" -eq 3 -a "${min}" -lt 6 ]; then
echo "clang-format is too old. Skipping checks."
exit 0
fi
mytmpdir=$(mktemp -d)
diffprog=${DIFF:-diff}
if [ -t 1 ]; then
if colordiff -q /dev/null > /dev/null 2>&1; then
diffprog=${DIFF:-colordiff}
fi
fi
cd ${srcdir}
for file in $(find . -name '*.[ch]' -print)
do
ext=${file##*.}
oldf=${file}
newf=${mytmpdir}/new.${ext}
# If we do not understand the format file, then do nothing
# Our style requires a relatively modern clang-format, which is
# older than is found on some Linux distros.
${CLANG_FORMAT} -fallback-style=none -style=file ${oldf} > ${newf}
cmp -s ${oldf} ${newf}
if [ $? -ne 0 ]
then
echo "${file} style changes"
${diffprog} -u $oldf $newf
failed=1
fi
done
rm -rf $mytmpdir
if [ -n "$failed" ]
then
echo "Format differences found!" 1>&2
# Sadly, there are different versions of Uncrustify, and they don't
# seem to universally agree. So let's not trigger a build error on
# this -- but instead just emit it to standard output.
exit 0
fi