pre-commit.sh

#!/bin/bash

OPTIONS="-A8 -t8 --lineend=linux"

        ASTYLE=$(which astyle)
               if [ $? -ne 0 ];
then
echo "[!] astyle not installed. Unable to check source file format policy." >&2
exit 1
fi

RETURN=0
git diff --cached --name-status --diff-filter=ACMR | {
# Command grouping to workaround subshell issues. When the while loop is
# finished, the subshell copy is discarded, and the original variable
# RETURN of the parent hasn't changed properly.
	while read STATUS FILE; do
	if [[ "$FILE" =~ ^.+(c|cpp|h)$ ]]; then
	$ASTYLE $OPTIONS < $FILE > $FILE.beautified
	mv $FILE.beautified $FILE

	fi
	done

	if [ $RETURN -eq 1 ]; then
	echo ""
	echo "Make sure you have run astyle with the following options:" >&2
	echo $OPTIONS >&2
	fi

	exit $RETURN
}