pre-commit

#!/usr/bin/php
<?php
// Set constants.
$php_pattern = "/\.(php|css)$/";
$img_pattern = "/[^(_24bit)]\.(jpg|jpeg|gif|png)$/";
$js_pattern  = "/\.js$/";

// Set default variables.
$return      = 0;
$exit_status = 0;
$output      = array();
$matches     = array("php" => array(), "service" => array(), "js" => array(), "img" => array());

// Get aganist git version.
exec("git rev-parse --verify HEAD 2> /dev/null", $output, $return);
$against = ($return == 0) ? "HEAD" : "4b825dc642cb6eb9a060e54bf8d69288fbee4904";

// Get diff index.
$cmd = "git diff-index --cached --name-status $against";
exec($cmd, $output, $return);

// Get branch name
$branch = trim(`git rev-parse --abbrev-ref HEAD`);

// Check Code Standard Error
foreach ($output as $item)
{
    $item = explode("\t", $item);

    // Don't deal with commit id.
    if (count($item) !== 2)
    {
        continue;
    }

    // Don't deal with deleted files.
    $file   = $item[1];
    $status = $item[0];
    if ($status === "D")
    {
        continue;
    }

    // Match PHP files.
    if (preg_match($php_pattern, $file))
    {
        if (strpos($file, "index/modules/service/controllers/") !== FALSE)
        {
            $matches["service"][] = escapeshellarg($file);
        }
        else
        {
            $matches["php"][] = escapeshellarg($file);
        }
    }

    // Match JavaScript files.
    if (preg_match($js_pattern, $file))
    {
        $matches["js"][] = escapeshellarg($file);
    }

    // Match image files.
    if (preg_match($img_pattern, $file))
    {
        $matches["img"][] = escapeshellarg($file);
    }
}

$message          = array("phpcs" => array(), "lang" => array(), "jslint" => array(), "optimg" => array(), "other" => array());
$return           = 0;

// Check general PHP files.
$list = implode(" ", $matches["php"]);
if (count($matches["php"]))
{
    exec("phpcs -n --report=summary $list", $message["phpcs"], $return);
    if ($return == 1)
    {
        $exit_status = 1;
        $message["phpcs"] = array_slice($message["phpcs"], 2);
        array_splice($message["phpcs"], count($message["phpcs"]) - 4, 3);
    }

    exec("php /home/m/bin/lang_label_check.php $list", $message["lang"], $return);
    if ($return == 1)
    {
        $exit_status = 1;
    }
}

// Check service PHP files.
$list = implode(" ", $matches["service"]);
$output = array();
if (count($matches["service"]))
{
    exec("phpcs -n --report=summary --standard=MiiiService $list", $output, $return);
    if ($return == 1)
    {
        $exit_status = 1;
        $output = array_slice($output, 5);
        array_splice($output, count($output) - 4, 3);
        $message["phpcs"] = array_merge($message["phpcs"], $output);
    }
}

// Check JavaScript files.
if (count($matches["js"]))
{
    foreach ($matches["js"] as $file)
    {
        exec("node /home/m/lib/jslint.run.js $file", $output, $return);
        if ($return == 0)
        {
            continue;
        }
        $message["jslint"][] = "jslint -f " . $file;
        $exit_status = 1;
    }
}

// Check image files.
if (count($matches["img"]))
{
    $saved = 0;
    foreach ($matches["img"] as $file)
    {
        $cmd = "/home/m/bin/optimg --png8 --check-only $file";
        exec($cmd, $output, $return);
        foreach ($output as $item)
        {
            $saved = explode("\t", $item);
            $saved = (isset($saved[1])) ? $saved[1] : 0;
            if ($saved == 0)
            {
                continue;
            }

            $message["img"][] = "/home/m/bin/optimg --png8 " . $file . "    (Save $saved bytes)";
            $exit_status = 1;
        }
    }
}

// Check if you're on branch master, staging or qa
if (in_array($branch, array('master','qa','staging'))) {
    $message["other"][] = "You should not commit [$branch] directly!";
    $exit_status = 1;
}

if ($exit_status == 1)
{
    echo "\nCOMMIT FAILED!\n";
    if (count($message["other"]))
    {
        echo "======================================================================================\n";
        echo "Other Error report \n";
        echo "======================================================================================\n";
        echo implode("\n", $message["other"]) . "\n";
        echo "======================================================================================\n\n";
        exit(1);
    }
    if (count($message["jslint"]))
    {
        echo "======================================================================================\n";
        echo "JSLint Error report \n";
        echo "======================================================================================\n";
        echo implode("\n", $message["jslint"]) . "\n";
        echo "======================================================================================\n\n";
        exit(1);
    }
    if (count($message["phpcs"]))
    {
        echo "======================================================================================\n";
        echo "PHP_CodeSniffer Error Report \n";
        echo "======================================================================================\n";
        echo implode("\n", $message["phpcs"]);
        echo "======================================================================================\n\n";
        exit(1);
    }
    if (count($message["lang"]))
    {
        echo "======================================================================================\n";
        echo "Language Label Error Report \n";
        echo "======================================================================================\n";
        echo implode("\n", $message["lang"]) . "\n";
        echo "======================================================================================\n\n";
        exit(1);
    }
    if (count($message["img"]))
    {
        echo "======================================================================================\n";
        echo "Image Optimization Warning \n";
        echo "======================================================================================\n";
        echo "You have the following choices: \n";
        echo "1. If you are sure your image has been optimzied, add --no-verify option please.\n";
        echo "2. If you need use PNG 24, please use the pattern of *_24bit.png.\n";
        echo "3. If you would like using optimg command-line tool, execute the following commands.\n";
        echo "======================================================================================\n";
        echo implode("\n", $message["img"]) . "\n";
        echo "======================================================================================\n\n";
        exit(1);
    }
    echo "Please fix your code and commit again.\n\n";
}

exit($exit_status);
?>