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 --diff-filter=ACMR HEAD --)

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

    if [ "$phpcsout" != "" ]; then
        affectedLines=$(git blame -p -s $file | grep 00000000 | cut -d " " -f2)

        out=0
        for line in $affectedLines; do
            var=`echo "$phpcsout" | grep "$line |"`
            if [ "$var" != "" ]; then
                out=1
                break;
            fi
        done

        if [ "$out" == 1 ] && [ "$affectedLines" > 0 ]; then
            echo ""
            echo "FILE: " `pwd`"/"$file
            echo "--------------------------------------------------------------------------------"
            for line in $affectedLines; do
                var=`echo "$phpcsout" | grep "$line |"`
                if [ "$var" != "" ]; then
                    countErrors=`echo "$var" | grep "ERROR" | wc -l`
                    if [ "$countErrors" != "0" ]; then
                        echo "FOUND ERROR(S): $countErrors"
                    fi
                    countWarnings=`echo "$var" | grep "WARNING" | wc -l`
                    if [ "$countWarnings" != "0" ]; then
                        echo "FOUND WARNING(S): $countWarnings"
                    fi
                    echo "--------------------------------------------------------------------------------"
                    echo "$var"
                fi
            done 
            echo "--------------------------------------------------------------------------------"
        fi
    fi
done