File "GitModified.php"

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<?php
/**
 * A filter to only include files that have been modified or added in a Git repository.
 *
 * @author    Greg Sherwood <gsherwood@squiz.net>
 * @copyright 2006-2015 Squiz Pty Ltd (ABN 77 084 670 600)
 * @license   https://github.com/squizlabs/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
 */

namespace PHP_CodeSniffer\Filters;

use PHP_CodeSniffer\Util;

class GitModified extends ExactMatch
{


    /**
     * Get a list of blacklisted file paths.
     *
     * @return array
     */
    protected function getBlacklist()
    {
        return [];

    }//end getBlacklist()


    /**
     * Get a list of whitelisted file paths.
     *
     * @return array
     */
    protected function getWhitelist()
    {
        $modified = [];

        $cmd    = 'git ls-files -o -m --exclude-standard -- '.escapeshellarg($this->basedir);
        $output = [];
        exec($cmd, $output);

        $basedir = $this->basedir;
        if (is_dir($basedir) === false) {
            $basedir = dirname($basedir);
        }

        foreach ($output as $path) {
            $path = Util\Common::realpath($path);

            if ($path === false) {
                continue;
            }

            do {
                $modified[$path] = true;
                $path            = dirname($path);
            } while ($path !== $basedir);
        }

        return $modified;

    }//end getWhitelist()


}//end class