Git pre-commit hook - php lint. Save file as .git/hooks/pre-commit

pre-commit

#!/bin/bash
# modified from 
# https://github.com/ReekenX/git-php-syntax-checker/blob/master/pre-commit

ROOT_DIR="$(pwd)/"
LIST=$(git diff-index --cached --name-only --diff-filter=ACMR HEAD)
ERRORS_BUFFER=""
for file in $LIST
do
    EXTENSION=$(echo "$file" | grep ".php$")
    if [ "$EXTENSION" != "" ]; then
        ERRORS=$(php -l $ROOT_DIR$file 2>&1 | grep "Parse error")
        if [ "$ERRORS" != "" ]; then
            if [ "$ERRORS_BUFFER" != "" ]; then
                ERRORS_BUFFER="$ERRORS_BUFFER\n$ERRORS"
            else
                ERRORS_BUFFER="$ERRORS"
            fi
            echo -e "Syntax errors found in file: \033[01;32m$file\033[0m"
        fi
    fi
done
if [ "$ERRORS_BUFFER" != "" ]; then
    echo
    echo "These errors were found in try-to-commit files: "
    echo -e "\033[1;31m$ERRORS_BUFFER"
    echo -e "\033[0m"
    echo "Can't commit, fix errors first."
    exit 1
else
    echo "Commited successfully."
fi