pre-commit

#!/bin/bash
# Pre-commit Git hook.
# Runs PHP Codestyle checker and fixer whenever errors are found on PHP files.
#
# If you absolutely must commit without testing,
# use: git commit --no-verify

# This will check only staged files to be commited.
filenames=($(git diff --staged --name-only HEAD))

# This will set text to red in terminal.
text_red=`tput setaf 1`
# This will set the text to green in terminal.
text_green=`tput setaf 2`
# This will set the text to yellow in terminal.
text_yellow=`tput setaf 3`
# This will reset the terminal text to normal.
text_reset=`tput sgr0`

number_files_changed="${#filenames[@]}"
errors_found=0
files_fixed=0

# known php_codesniffer files where it looks for configuration in project root
phpcs_file=./phpcs.xml
phpcs_dist_file=./phpcs.xml.dist
phpcbf_bin=$(find . -path "*/vendor/squizlabs/php_codesniffer/bin/phpcbf")
phpcs_bin=$(find . -path "*/vendor/squizlabs/php_codesniffer/bin/phpcs")

# Use PSR2 standard as default only when no phpcs file is present in project root
if [[ ! -e "$phpcs_file" && ! -e "$phpcs_dist_file" ]]; then
    default_standard=--standard=PSR2
else
    default_standard=""
fi

if [[ $number_files_changed > 0 ]];
then
    echo "$number_files_changed files were changed, running php-cs-fixer"
    # Run throw changed files.
    for i in "${filenames[@]}"
    do
        if [[ $i == *.php ]] && [ -f $i ];
        then
            # Run PHP Code Style Check and detect in the fixer was not able to fix code.
            codestyle_errors_before_autofix="$($phpcs_bin $default_standard $i)"
            check_result_before=$?

            if [ ${check_result_before} -eq 0 ];
            then
                # No errors to fix, skip to next file.
                continue
            fi

            # Run PHP Code Beautifier and Fixer first.
            output="$($phpcbf_bin $default_standard $i)"

            # Run PHP Code Style Check and detect in the fixer was not able to fix code.
            codestyle_errors="$($phpcs_bin $default_standard $i)"
            check_result_after_autofix=$?

            if [ ${check_result_after_autofix} -eq 0 ];
            then
                # File had some issues but they were automatically fixed.
                echo "${text_green}Codestyle errors were fixed automatically! add those changes and commit again.${text_reset}"
                ((files_fixed++))
            else
                echo "$codestyle_errors"
                ((errors_found++))
            fi
        fi
    done
fi

if [[ ${errors_found} == 0 ]]
then
    if [[ ${files_fixed} > 0 ]]
    then
        echo "${text_yellow}PHP Codestyle checked and fixed your files for you, add those changes and commit again.${text_reset}"
        exit 1;
    fi
    echo "${text_green}PHP Codestyle check passed successfully.${text_reset}"
    exit 0;
else
    echo "${text_red}PHP Codestyle found errors or warnings and could not fix them! Try to fix them and commit again.${text_reset}"
    exit 1;
fi