Add corruption recovery to history.db #6371
Open
+58
−53
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history.db currently lacks the automatic corruption recovery that cache.db has, causing BuildKit to fail on startup if history.db is corrupted. This is inconsistent since both databases are disposable (losing history is inconvenient but not fatal).
This commit:
The recovery mechanism backs up corrupted databases and creates fresh ones, allowing BuildKit to start successfully even after abrupt shutdowns or snapshot-related corruption (common with NoSync + network block devices like Ceph RBD).
Fixes startup failures when history.db is corrupted, matching the resilience already present for cache.db since commit ccc06b7.