Mage_Connect_Packager::getLocalModifiedFiles PHP Method

    public function getLocalModifiedFiles($chanName, $package, $cacheObj, $configObj)
    {
        $p = $cacheObj->getPackageObject($chanName, $package);
        $hashContents = $p->getHashContents();
        $listModified = array();
        foreach ($hashContents as $file => $hash) {
            if (md5_file($configObj->magento_root . DS . $file) !== $hash) {
                $listModified[] = $file;
            }
        }
        return $listModified;
    }