Git Hook PreCommit

gistfile1.sh

#!/usr/bin/env bash

DATE_FORMAT="+%Y-%m-%d %H:%M:%S"
echo "["$(date "$DATE_FORMAT")"] Running PHPCSFixer ..."

COMMAND_GIT_DIFF="git diff --cached --name-status --diff-filter=ACM"
COMMAND_PHP_CS_FIXER="./vendor/fabpot/php-cs-fixer/php-cs-fixer fix --dry-run --level=psr2 --verbose"

PHP_FILES_TO_BE_COMMITED=`$COMMAND_GIT_DIFF | grep -E -o '\W+.*?\.php'`

LOOP_ERRORS_COUNT=0
LOOP_PHP_FILES_WITH_ERRORS=""

for CURRENT_PHP_FILENAME in $PHP_FILES_TO_BE_COMMITED
do
    OUTPUT_COMMAND_PHP_CS_FIXER=`$COMMAND_PHP_CS_FIXER $CURRENT_PHP_FILENAME`
    MATCHES_COUNT=`echo "$OUTPUT_COMMAND_PHP_CS_FIXER" | grep -P -c '^.{3}\d+\)\s{1}'`

    if [ $MATCHES_COUNT -ge 1 ]; then
        LOOP_ERRORS_COUNT=$(($LOOP_ERRORS_COUNT+1))
        CURRENT_FILE_ERRORS=`echo "$OUTPUT_COMMAND_PHP_CS_FIXER" | grep -P -o '\d+\)\s{1}.*?\(.*?\)' | grep -P -o '\(.*?\)'`
        LOOP_PHP_FILES_WITH_ERRORS="$LOOP_PHP_FILES_WITH_ERRORS""   $LOOP_ERRORS_COUNT) ""$CURRENT_PHP_FILENAME"" $CURRENT_FILE_ERRORS"$'\n'
    fi
done

if [ $LOOP_ERRORS_COUNT -ge 1 ]; then
    echo "["$(date "$DATE_FORMAT")"] $LOOP_ERRORS_COUNT PHP file(s) contains Coding Standards (PSR-2) issues (you must fix this files before perform the commit):"
    echo "$LOOP_PHP_FILES_WITH_ERRORS"
    exit 1
fi