如何从 crates.io 指向 crate 文件的本地副本？

Question

I am behind a corporate proxy that won't let me access crates.io from our development hosts. I have downloaded all the crates I need and have them locally. The project I am building is from a 3rd party who have provided their own (~100 of them) Cargo.toml files. How do I override the location of every dependency instead of changing every Cargo.toml to point to my local copy?

I tried adding paths = [ "path/to/crates" ] to ~/.cargo/config & ~/.cargo/config.toml , but to no avail. Is it possible or is there an alternative?

I tried this in my ~/.cargo/config.toml

[source]
[source.my-crates]
local-registry = "/absolute/path/to/location/where/i/have/star.crate"
[source.crates-io]
replace-with = "my-crates"

However, it doesn't even look like it is being used. It still looks for crates.io-index

Answer 1

The problem turned out to be missing CARGO_HOME environment variable.