PHP style checking pre-commit hook

pre-commit.sh

#!/bin/bash

CHANGED_FILES=`git diff-index --name-only --cached HEAD`

SUCCESS=1
FILES=""
for f in $CHANGED_FILES
do
    # check file f for style errors
    TMP=`php-cs-fixer fix --level=psr2 --dry-run $f | head -n -1 | sed "s/ \+/ /" | cut -d " " -f 3`
    # check if we have an error
    TMPC=`echo "$TMP" | wc -c`

    if [ "$TMPC" -ne "1" ]
    then
        SUCCESS=0
        FILES="$FILES - $TMP\n"
    fi
done

if [ "$SUCCESS" -eq "1" ]
then
    exit 0
else
    echo -e ""
    echo -e "\e[41m                        \e[49m"
    echo -e "\e[41m \e[97mThere are style errors\e[39m \e[49m"
    echo -e "\e[41m                        \e[49m"
    echo ""
    echo -e "Run \"\e[32mphp-cs-fixer fix --config=config.php_cs\e[39m\""
    echo ""
    echo "Incorrect files:"
    echo -e "$FILES"
    exit 1
fi