Except that unlike nostr things (dunno about repo-hosting specifically, but in general) don’t keep a full copy of everything locally. In radicle any contributor fetches everything and always has it ...
With ngit, nostr events are synced to a db within the .git directory. Also GRASP-05 enables archive servers that mirror repositories the operstor cares about. This enables repository data to always be publically available even if the services the maintainers choose go down.
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