pre-commit

#!/usr/bin/env php
<?php

//项目的路径
if(is_dir(dirname(__DIR__) . '/vendor')) {
	define('PROJECT_ROOT', dirname(__DIR__));
} else {
	define('PROJECT_ROOT', dirname(dirname(dirname(__DIR__))));
}

define('PHP_CS_CHECK_CMD', PROJECT_ROOT . '/vendor/bin/phpcs'); //执行检查的命令
define('PHP_CS_FIX_CMD', PROJECT_ROOT . '/vendor/bin/phpcbf'); //修复的命令
define('PHP_CS_RULESET', __DIR__ . '/fp-ruleset.xml'); //检查和修复使用的rule set，为空时使用默认的

define('AUTO_FIX_CS', TRUE); //是否自动修复文件

if (!is_file(PHP_CS_CHECK_CMD) || !is_file(PHP_CS_FIX_CMD)) {
	PreCommit::colorEcho('Inspection or repair script does not exist, the hook is not executed', 'yellow');
	exit(0);
}

if (!is_file(PHP_CS_RULESET)) {
	PreCommit::colorEcho('rule set configuration file does not exist, the hook is not executed', 'yellow');
	exit(0);
}

//获取需要提交的php文件
$lChangeFile = PreCommit::getChangeFile();

if (!$lChangeFile) {
	exit(0);
}

$bError = FALSE;
do {

	if (!AUTO_FIX_CS) {
		//如果不自动修复，就只做phpcs
		PreCommit::displayTitle('PHP code style check:');
		$lFail = PreCommit::csCheck($lChangeFile);
	} else {
		//如果自动修复，就直接先调用phpcbf，再phpcs
		PreCommit::displayTitle('PHP code style check and Try to fix:');
		foreach ($lChangeFile as $iKey => $lFilePath) {
			$sRealPath = PROJECT_ROOT . '/' . $lFilePath;
			$bOk = PreCommit::csCheckOne($sRealPath)[1];
			if ($bOk) {
				echo 'Check: ', $lFilePath . " OK\n";
				unset($lChangeFile[$iKey]);
			} else {
				$bError = TRUE;
				echo 'Fix:   ', $lFilePath;
				PreCommit::fixPhpFile($sRealPath);
				echo " DONE\n";
			}
		}
		$lFail = PreCommit::csCheck($lChangeFile);
	}

	//如果有错误则终止
	if ($lFail) {
		$bError = TRUE;
		break;
	}

	if ($bError) {
		//可以提交
		PreCommit::displayTitle('Have fixed, please commit again');
	} else {
		//可以提交
		PreCommit::displayTitle('Commit to git');
	}

} while (FALSE);

exit($bError ? 1 : 0);


class PreCommit {

	public static function displayTitle($sMsg) {
		static $iNum = 0;
		$iNum++;
		self::colorEcho("\n${iNum}. ${sMsg}", 'green');
	}

	public static function getChangeFile() {
		$lExclude = require_once __DIR__ . '/exclude.php';
		$lDiffFile = [];
		exec('git diff --cached --name-only ' . PROJECT_ROOT, $lDiffFile, $retVal);
		//过滤掉非php文件，
		$lChangeFile = array_filter(
			$lDiffFile,
			function($sFileName) use ($lExclude) {
				foreach ($lExclude as $sExclude) {
					if (strpos(PROJECT_ROOT . '/' . $sFileName, PROJECT_ROOT . '/' . ltrim($sExclude, '/')) === 0) {
						return FALSE;
					}
				}

				return is_file(PROJECT_ROOT . '/' . $sFileName) && substr($sFileName, -4) === '.php';
			}
		);

		return $lChangeFile;
	}

	public static function csCheck($lFileList) {
		$lFail = [];
		foreach ($lFileList as $lFilePath) {
			list($lOutput, $bOk) = self::csCheckOne(PROJECT_ROOT . '/' . $lFilePath);
			if (!$bOk) {
				echo implode("\n", $lOutput);
				$lFail[] = $lFilePath;
			}
		}
		if ($lFail) {
			self::colorEcho("\n\nSummary Error : " . count($lFail) . ' file(s)', 'violet');
		}

		return $lFail;
	}

	public static function csCheckOne($sFile) {
		exec(PHP_CS_CHECK_CMD . (PHP_CS_RULESET ? ' -n --standard=' . PHP_CS_RULESET . ' ' : ' ') . $sFile, $lOutput, $retVal);

		return [
			$lOutput,
			$retVal === 0,
		];
	}

	public static function fixPhpFile($sPath) {
		exec(PHP_CS_FIX_CMD . (PHP_CS_RULESET ? ' --standard=' . PHP_CS_RULESET . ' ' : ' ') . $sPath, $lOutput);
	}

	public static function colorEcho($sContent, $color = 'white') {
		static $lColor = [
			'black' => '30',
			'red' => '31',
			'green' => '32',
			'yellow' => '33',
			'blue' => '34',
			'violet' => '35',
			'cyan' => '36',
			'white' => '37',
		];

		$color = isset($lColor[$color]) ? $lColor[$color] : 37;
		$sCmd = "echo \"\033[" . $color . "m" . $sContent . "\n" . " \033[0m\"";
		passthru($sCmd);
	}

}