private function generatePhar($pharPath, $fileRelativePath, $fileContent, $overwrite)
{
$rootPackage = dirname(dirname(dirname(__FILE__)));
$bootstrap = <<<'PHAR_BOOTSTRAP'
<?php
require __DIR__.'/vendor/autoload.php';
$filePath = THE_FILE;
$overwrite = OVERWRITE;
\Joli\JoliNotif\Util\PharExtractor::extractFile(__DIR__.$filePath, $overwrite);
?>
PHAR_BOOTSTRAP;
$phar = new \Phar($pharPath);
$phar->buildFromDirectory($rootPackage, '#(src|vendor)#');
$phar->addFromString('bootstrap.php', str_replace(['THE_FILE', 'OVERWRITE'], ['\'/' . $fileRelativePath . '\'', $overwrite ? 'true' : 'false'], $bootstrap));
$phar->addFromString($fileRelativePath, $fileContent);
$phar->setStub($phar->createDefaultStub('bootstrap.php'));
}