sources: fix intermittent "unknown package" errors from concurrent, unlocked source syncs (2/4) - #590

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jason-rl wants to merge 7 commits into

cashapp:masterfrom

jason-rl:jason/sync-race-02-lock-fix

Commits on Jul 27, 2026

sources: add reproducer for concurrent source sync race
jason-rl
committed
ba65b75
sources: add start barrier to maximise reproducer race odds
jason-rl
committed
8f2d0e4
sources: serialise and de-destruct git source syncing
jason-rl
committed
457c7e5
sources: remove pull-path race, harden lock, address review nits
jason-rl
committed
b4fb272
sources: replace inert --reference-if-able clone with a real incremental fetch
jason-rl
committed
9859d53
sources: keep the incremental clone's local branch alive across repeat syncs
jason-rl
committed
3978175
sources: make incremental checkout robust to a non-empty index
jason-rl
committed
630da06