Precommit hook for git that checks new modified lines against a given codingstandard with phpcs

pre-commit.sh

#!/bin/bash 

files=$(git diff-index --name-only --cached --diff-filter=ACMR HEAD --)

for file in $files; do
	
	phpcsout=$(phpcs -s $file)

	if [ "$phpcsout" != "" ]; then
		affectedLines=$(git blame -s $file | grep 00000000 | cut -d " " -f2 |sed 's/)//g')
		if [ "$affectedLines" > 0 ]; then
			echo ""
			echo "FILE: " `pwd`"/"$file
			echo "--------------------------------------------------------------------------------"
			for line in $affectedLines; do
				var=`echo "$phpcsout" | grep "$line |"`
				if [ "$var" != "" ]; then
					countErrors=`echo "$var" | grep "ERROR" | wc -l`
					echo -n "FOUND ERROR(S): $countErrors"	
					countWarnings=`echo "$var" | grep "WARNING" | wc -l`
					echo " FOUND WARNING(S): $countWarnings" 
					echo "--------------------------------------------------------------------------------"
					echo "$var"
				fi
			done 
			echo "--------------------------------------------------------------------------------"
		fi
	fi
done