tree 6683325617794b728a685f6cb21606744ced3c66
parent 921c22fa76043cbcec6affbcda994ede935c20cd
author Russ Cox <rsc@golang.org> 1557497273 -0400
committer Russ Cox <rsc@golang.org> 1557772648 +0000

sumdb/dirhash: directory tree hash algorithm

Copied from cmd/go/internal/dirhash, with additional doc comments.

For golang/go#31761.

Change-Id: Id56c1bbb6f27e69194f383d49b9def6876f948be
Reviewed-on: https://go-review.googlesource.com/c/mod/+/176464
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>