#!/bin/sh
|
#
|
# 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
|
