Changes touching this path

• a signing seam reads the working tree once and walks it once, so describe and land stop buying two whole-tree byte reads to look at file names, and loot-perf grows the capture timing that can see it (#1383) 31995cb5 · 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.