```mermaid
flowchart LR
subgraph Indexing pipeline
direction LR
source[Source] --> indexer
indexer[Indexer] --> packager
packager[Packager] --> uploader
uploader[Uploader] --> publisher
end
subgraph Merge pipeline
direction LR
merge_packager[MergePackager] --> merge_uploader
merge_uploader[MergeUploader] --> merge_publisher
end
merge_planner[MergePlanner] --> merge_packager
merge_publisher[MergePublisher] --> merge_planner
publisher[Publisher] --> merge_planner
```