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Ricardo Sawir
32be2e559b
The treeCache in SnapshotsDir was never cleared when snapshots were reloaded. This caused the "latest" symlink to keep pointing to the previous snapshot even after new snapshots were added. Add a generation counter to SnapshotsDirStructure that is incremented whenever the directory structure is rebuilt (in makeDirs). The treeCache checks this generation on each lookup and resets itself when the generation changes, ensuring cached nodes (including symlinks) are refreshed after a snapshot reload.