just-fetch

The answer when your prayer "Please just fetch the file, I don't care if it's local or if it's pointing to a gzipped URL or whatever."

Used by scaff.

lib.rs:

A library to simply fetch stuff, regardless of whether it's from the internet, from the filesystem, inside a gzipped archive, whatever. Used by scaff so it can focus on what's important: The contents of the specified archive.