https://github.com/EmbarkStudios/cargo-fetcher/pull/92 <=

cargo-fetcher

filesystem-based caching has been merged upstream. gonna use this to implement fetching without having to create an intrinsic for rust<=>py communication. great call again on this one by @witty-crayon-22786 (upstreaming a binary instead of forking a library), that nudge helped me realize the

cargo-fetcher

crate had many more pieces of the puzzle than i thought it did