Puli\Manager\Installer\ModuleFileInstallerManager::addRootInstallerDescriptor PHP Метод

    public function addRootInstallerDescriptor(InstallerDescriptor $descriptor)
    {
        $this->assertInstallersLoaded();
        $name = $descriptor->getName();
        $previouslySetInRoot = isset($this->rootInstallerDescriptors[$name]);
        $previousInstaller = $previouslySetInRoot ? $this->rootInstallerDescriptors[$name] : null;
        if (isset($this->installerDescriptors[$name]) && !$previouslySetInRoot) {
            throw new RuntimeException(sprintf('An installer with the name "%s" exists already.', $name));
        }
        try {
            $this->installerDescriptors[$name] = $descriptor;
            $this->rootInstallerDescriptors[$name] = $descriptor;
            $this->persistInstallersData();
        } catch (Exception $e) {
            if ($previouslySetInRoot) {
                $this->installerDescriptors[$name] = $previousInstaller;
                $this->rootInstallerDescriptors[$name] = $previousInstaller;
            } else {
                unset($this->installerDescriptors[$name]);
                unset($this->rootInstallerDescriptors[$name]);
            }
            throw $e;
        }
    }