clang-format.sh
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clang-format.sh
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	#!/bin/sh

	CLANG_ARGS="-Werror"

	if test x"$1" = xchanged; then
	FILES1=`git ls-files \| grep -v "src/contrib" \| grep '\.[ch]$'`
	FILES2=`git ls-files --others --exclude-standard \| grep -v "src/contrib" \| grep '\.[ch]$'`
	FILES="$FILES1 $FILES2"
	else
	FILES1=`git ls-files \| grep -v "src/contrib" \| grep '\.[ch]$'`
	FILES2=`git ls-files --others --exclude-standard \| grep -v "src/contrib" \| grep '\.[ch]$'`
	FILES="$FILES1 $FILES2"
	fi

	if test x"$1" = xcheck; then
	CLANG_ARGS="$CLANG_ARGS -n"
	fi

	# Find clang-format, we prefer -6.0, but also allow binaries without -suffix as
	# long as they're >= 6.0.0
	CLANG_FORMAT=`which clang-format-6.0`

	if [ -z "$CLANG_FORMAT" ]; then
	CLANG_FORMAT=`which clang-format`
	fi

	if [ -z "$CLANG_FORMAT" ]; then
	echo "Couldn't find clang-format"
	exit
	fi

	VERSION=`$CLANG_FORMAT -version \| cut -d " " -f 3`
	VERSION_MAJOR=`echo $VERSION \| cut -d "." -f 1`

	if [ $VERSION_MAJOR -lt 6 ]; then
	echo "Found clang-format $VERSION but we need >= 6.0.0"
	exit
	fi

	FAILURE=""

	# Run formatter
	for i in $FILES; do
	$CLANG_FORMAT $CLANG_ARGS -i $i
	[ $? -eq 0 ] \|\| FAILURE="yes"
	done

	if [ -z "$FAILURE" ]; then
	exit 0
	fi

	exit 1