#!/bin/bash
do_version_check() {

   [ "$1" == "$2" ] && return 10

   ver1front=`echo $1 | cut -d "." -f -1`
   ver1back=`echo $1 | cut -d "." -f 2-`

   ver2front=`echo $2 | cut -d "." -f -1`
   ver2back=`echo $2 | cut -d "." -f 2-`

   if [ "$ver1front" != "$1" ] || [ "$ver2front" != "$2" ]; then
       [ "$ver1front" -gt "$ver2front" ] && return 11
       [ "$ver1front" -lt "$ver2front" ] && return 9

       [ "$ver1front" == "$1" ] || [ -z "$ver1back" ] && ver1back=0
       [ "$ver2front" == "$2" ] || [ -z "$ver2back" ] && ver2back=0
       do_version_check "$ver1back" "$ver2back"
       return $?
   else
           [ "$1" -gt "$2" ] && return 11 || return 9
   fi
}

VERSION=$(astyle --version 2>&1 >/dev/null)
VERSION=${VERSION#Artistic Style Version}
do_version_check $VERSION 2
if [ $? -eq 9 ]; then
	echo "Using an old version of astyle; please update to continue"
	exit 1;
fi

if [ $(astyle --indent=tab -l -S -K -y -j -p -k3 src/*.{c,h} |grep -i formatted |wc -l) -eq 0 ]; then
	exit 0
else
	echo "Commit failed due to inconsistent styling; autostyled"
	exit 1
fi