pre-commit drupal phpcs check

#!/bin/sh
# PHP CodeSniffer pre-commit hook for git
# We should place it to server scripts directory to subfolder drupal-git-hooks and add hook symlink from 
# repository .git directory to path/to/drupal-git-hooks
# ln -s -f /path/to/drupal-git-hooks .git/hooks


PHPCS_BIN=/usr/bin/phpcs
PHPCS_CODING_STANDARD=Drupal
PHPCS_IGNORE=
PHPCS_EXT=php,module,inc,install,test,profile,theme,js,css,info,txt


# simple check if code sniffer is set up correctly
if [ ! -x $PHPCS_BIN ]; then
    echo "PHP CodeSniffer bin not found or executable -> $PHPCS_BIN"
    exit 1
fi


if [ "$PHPCS_EXT" != "" ]; then
    EXT="--extensions=$PHPCS_EXT"
else
    EXT=""
fi

FILES=sites/modules/custom/*

OUTPUT=$($PHPCS_BIN -s --standard=$PHPCS_CODING_STANDARD $EXT $FILES)

if [ "$OUTPUT" != "" ]; then
    echo OUTPUT > module-sniffer-errors.txt;
    echo "Please fix PHPSniffer errors in custom modules";
    exit 1
fi

FILES=sites/themes/custom/*

if [ "$FILES" == "" ]; then
    exit 0
fi
OUTPUT=$($PHPCS_BIN -s --standard=$PHPCS_CODING_STANDARD $EXT $FILES)

if [ "$OUTPUT" != "" ]; then
    echo OUTPUT > theme-sniffer-errors.txt;
    echo "Please fix PHPSniffer errors in theme";
    exit 1
fi