Changes touching this path

• a one-path capture stops paying a stat per stored object and a 29.2 MiB graph rewrite, because persist now writes the objects put already reported new instead of re-deriving that from the filesystem, and skips the whole-graph read-merge-write when an outline of the file proves it would reproduce itself byte for byte (#1420) dfebf64a · dbf3dbe6…

Renames are not followed. loot's tree maps a path to an address, so a rename is a delete and an add. This list is the history of the name, not of the bytes.