ref: fb60863ef49fb154bd6246bb4d439dc6be255a10
parent: 8c6fec14a4bf9f15df24ddc9cdd365805f5d29d7
author: Ori Bernstein <ori@eigenstate.org>
date: Mon Jan 3 23:20:19 EST 2022
all: prevent conflict with /$repo and /{rc,bin,lib,...}
prefix repo name with 'r.' to ensure that it can never
conflict with any other diretory we bind in.