Pre-commit hook to check code with PHPCS, fix with PHPCBF and check mess with PHPMD

pre-commit

#!/bin/sh

#########################
#                       #
#     Initializing      #
#                       #
#########################

##
# You should add all tools as composer dependencies or change this path
# 
# composer require phpmd/phpmd
# composer require squizlabs/php_codesniffer
##

PHPCS_BIN=./vendor/bin/phpcs
PHPCBF_BIN=./vendor/bin/phpcbf

# Check for PHPCS / PHPCBF
if [ ! -x $PHPCS_BIN ]; then
    echo "[PRE-COMMIT] PHP CodeSniffer is not installed locally."
    echo "[PRE-COMMIT] Please run 'composer install' or check the path: $PHPCS_BIN"
    exit 1
fi

if [ ! -x $PHPCBF_BIN ]; then
    echo "[PRE-COMMIT] PHP Code Beautifier and Fixer is not installed locally."
    echo "[PRE-COMMIT] Please run 'composer install' or check the path: $PHPCBF_BIN"
    exit 1
fi

PHPMD_BIN=./vendor/bin/phpmd

# Check for PHPMD
if [ ! -x $PHPMD_BIN ]; then
    echo "[PRE-COMMIT] PHP Mess Detect is not installed locally."
    echo "[PRE-COMMIT] Please run 'composer install' or check the path: $PHPMD_BIN"
    exit 1
fi

#########################
#                       #
#       Starting        #
#                       #
#########################

# All files in staging area (Added | Created | Modified | Renamed)

PROJECT=$(git rev-parse --show-toplevel)
FILES=$(git diff --cached --name-only --diff-filter=ACMR HEAD | grep .php)

if [ "$FILES" != "" ]
then
    # Coding Standards

    echo "[PRE-COMMIT] Checking PHPCS..."

    # You can change your PHPCS command here
    $PHPCS_BIN -n $FILES

    if [ $? != 0 ]
    then
        echo "[PRE-COMMIT] Coding standards errors have been detected."
        echo "[PRE-COMMIT] Running PHP Code Beautifier and Fixer..."

        # You can change your PHPCBF command here
        $PHPCBF_BIN -n $FILES

        echo "[PRE-COMMIT] Checking PHPCS again..."

        # You can change your PHPCS command here
        $PHPCS_BIN -n $FILES

        if [ $? != 0 ]
        then
            echo "[PRE-COMMIT] PHP Code Beautifier and Fixer wasn't able to solve all problems."
            echo "[PRE-COMMIT] Run PHPCS manually to check and fix all errors."
            exit 1
        fi

        echo "[PRE-COMMIT] All errors are fixed automatically."

        git add $FILES
    else
        echo "[PRE-COMMIT] No errors found."
    fi

    # Mess Detector

    echo "\n[PRE-COMMIT] Checking PHPMD...\n"

    for FILE in $FILES
    do
        # You can change your PHPMD command here
        $PHPMD_BIN $PROJECT/$FILE text phpmd.xml

        if [ $? != 0 ]
        then
            echo "\n[PRE-COMMIT] Fix errors before commit."
            exit 1
        fi
    done
fi

exit $?

Download and put into .git/hooks directory.

You can do: cp pre-commit .git/hooks/pre-commit

Then, make it executable:
chmod +x .git/hooks/pre-commit

Great hook but I have a difficulties trying to detecting changed files in line
FILES=$(git diff --cached --name-only --diff-filter=ACMR HEAD | grep core/ | grep .php)
I don't know why maybe it's a operation system issue I tryin launch it on CLI interface in ubuntu 21.04
For me it's work fine when I changed line to
FILES=$(git diff --name-only --diff-filter=ACMR HEAD | grep \\.php )

Like already mentioned it's a great hook. But like Oleg mentioned I also have issues with grep core/ because then it fetches no files.
Removing that works for me as well then.

Why do you @mariovalney use that part in the first place, just curious?

You can check explanation here.

This hook is like a default in my projects and when I published this I copied from a old project when all code were placeded in "core" directory. My mistake. I should copied from a version without this standard.

FILES=$(git diff --cached --name-only --diff-filter=ACMR HEAD | grep .php)

Great! Thank you for explanation.