#!/bin/bash

# Note: This shell script should be designed and tested for cross-platform use

# URL: https://github.com/totten/git-php-syntax-checker/
# Author: Remigijus Jarmalavičius <remigijus@jarmalavicius.lt> 
# Author: Vytautas Povilaitis <php-checker@vytux.lt>
# License: GPLv3

ROOT_DIR="$(pwd)/"
LIST=$(git diff-index --cached --name-only --diff-filter=ACMR HEAD)
ERRORS_BUFFER=""
for file in $LIST
do
    EXTENSION=$(echo "$file" | grep  -E ".php$|.module$|.inc$|.install$")
    if [ "$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 "Syntax errors found in file: $file "
        fi
    fi
done
if [ "$ERRORS_BUFFER" != "" ]; then
    echo 
    echo "These errors were found in try-to-commit files: "
    echo -e $ERRORS_BUFFER
    echo 
    echo "Can't commit, fix errors first."
    exit 1
else
    echo "Commited successfully."
fi