Puli\Repository\FilesystemRepository::addResource PHP Method

    private function addResource($path, PuliResource $resource, $checkParentsForSymlinks = true)
    {
        $pathInBaseDir = $this->baseDir . $path;
        $hasChildren = $resource->hasChildren();
        $hasBody = $resource instanceof BodyResource;
        if ($hasChildren && $hasBody) {
            throw new UnsupportedResourceException(sprintf('Instances of BodyResource do not support child resources in ' . 'FilesystemRepository. Tried to add a BodyResource with ' . 'children at %s.', $path));
        }
        $resource = clone $resource;
        $resource->attachTo($this, $path);
        if ($this->symlink && $checkParentsForSymlinks) {
            $this->replaceParentSymlinksByCopies($path);
        }
        if ($resource instanceof FilesystemResource) {
            if ($this->symlink) {
                $this->symlinkMirror($resource->getFilesystemPath(), $pathInBaseDir);
            } elseif ($hasBody) {
                $this->filesystem->copy($resource->getFilesystemPath(), $pathInBaseDir);
            } else {
                $this->filesystem->mirror($resource->getFilesystemPath(), $pathInBaseDir);
            }
            $this->storeVersion($resource);
            return;
        }
        if ($resource instanceof LinkResource) {
            if (!$this->symlink) {
                throw new UnsupportedResourceException(sprintf('LinkResource requires support of symbolic links in FilesystemRepository. ' . 'Tried to add a LinkResource at %s.', $path));
            }
            $this->filesystem->symlink($this->baseDir . $resource->getTargetPath(), $pathInBaseDir);
            $this->storeVersion($resource);
            return;
        }
        if ($hasBody) {
            file_put_contents($pathInBaseDir, $resource->getBody());
            $this->storeVersion($resource);
            return;
        }
        if (is_file($pathInBaseDir)) {
            $this->filesystem->remove($pathInBaseDir);
        }
        if (!file_exists($pathInBaseDir)) {
            mkdir($pathInBaseDir, 0777, true);
        }
        foreach ($resource->listChildren() as $child) {
            $this->addResource($path . '/' . $child->getName(), $child, false);
        }
        $this->storeVersion($resource);
    }