AJ ONeal e2236aa09b
refactor: remove callbacks from gitshallow and httpcache
Top-layer callers (IPFilter) now drive all reloads directly after
Sync/Fetch return. gitshallow.Init now returns (bool, error).
httpcache drops Init and Sync — callers just call Fetch.
2026-04-19 23:30:30 -06:00
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