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Claude-Session: https://claude.ai/code/session_0159rPz1ZhFKsS53msqPYxtS
13 lines
793 B
Go
13 lines
793 B
Go
package config
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import "sync"
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// FileMu is held by EVERY read-modify-write of agent.json inside this process: the trust move (pvetrust), the PBS
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// seed (pbsdr) and the backup-target move (localapi). Each of them reads the whole file, changes one section and
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// writes the whole file back in place — without one lock two of them could interleave, and the second writer would
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// put back the document it read BEFORE the first one's change (a silently reverted `escrow.pbs_storage_id`,
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// `backup.local_backup_target` or trust section). Found by review on 2026-11-14, the night the third writer was
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// added. Hold it for the whole read … write, never across a call to Proxmox or the root wrapper.
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// Pinned by TestAgentJSONWritersTakeTheSharedLock (cmd/felhom-agent).
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var FileMu sync.Mutex
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