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#!/bin/bash
set -e
script_path=$(cd -P -- "$(dirname -- "$0")" && pwd -P)
cd "${script_path}/.." || exit 1
CLANG_FORMAT=false
if command -v clang-format-10 >/dev/null 2>&1 ; then
CLANG_FORMAT=clang-format-10
elif command -v clang-format >/dev/null 2>&1 ; then
CLANG_FORMAT=clang-format
if ! "${CLANG_FORMAT}" --version | grep -qF ' 10.' ; then
echo "You are using '$("${CLANG_FORMAT}" --version)', which appears to not be clang-format 10."
echo "It is very likely that the resulting changes are not what you wanted."
fi
else
echo "clang-format-10 is not available. Either skip this script, or install clang-format-10."
echo "(If you install a package 'clang-format', please make sure it's version 10.)"
exit 1
fi
if [ "$#" -eq "1" ] && [ "x--overwrite-inplace" = "x$1" ] ; then
true # The only way to run this script.
else
# Note that this branch also covers --help, -h, -help, -?, etc.
echo "USAGE: $0 --overwrite-inplace"
echo "The argument is necessary to make you aware that this *will* overwrite your local files."
exit 1
fi
echo "Using ${CLANG_FORMAT}"
{
git ls-files -- \
'*.cpp' \
'*.h' \
':!:Base' \
':!:Kernel/Arch/i386/CPU.cpp' \
':!:Kernel/FileSystem/ext2_fs.h' \
':!:Libraries/LibC/getopt.cpp' \
':!:Libraries/LibC/syslog.h' \
':!:Libraries/LibCore/puff.h' \
':!:Libraries/LibCore/puff.cpp' \
':!:Libraries/LibELF/exec_elf.h' \
|| echo "'git ls-files failed!'"
} | xargs -d'\n' "${CLANG_FORMAT}" -style=file -i
echo "Maybe some files have changed. Sorry, but clang-format doesn't indicate what happened."
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