ref: 32f41dd6f92251af8bf2c8657b46593505ad530e
parent: aa4d34b09ceeb3436bf4a7b7f2548ab1fe1ea657
author: Michael Forney <mforney@mforney.org>
date: Tue Jan 26 18:43:07 EST 2021
git/walk: update index9 qids when the files have the same data This makes subsequent walks much faster.