cargo-update Is Slow, Doesn't Respect XDG

I tried to install greetd from the Arch AUR but, suprisingly, a cargo registry update started happening at less than 100Kbps on my 200Mbps fiber connection. I waited for a few minutes hoping that the speed might improve but that didn't happen. It seems this is a known issue. Okay, I guess I just need to create a config file for cargo and tell it use to "git-fetch-with-cli = true". Wait, it seems like cargo is dumping all of its crap inside "~/.cargo"? You can change the location of this directory with the "$CARGO_HOME" environment variable but does it really make sense to dump this data in "$XDG_CONFIG_HOME"? "$XDG_DATA_HOME"? This issue has been open for more than 5 years now.

=> greetd | known issue about cargo-update being exceedingly slow

I guess I'll just set "$CARGO_HOME" to "$(mktemp -d)" for now. If you want to compile a rust software on your system, you may need this in "$CARGO_HOME/config.toml"

[net]
git-fetch-with-cli = true

[source.crates-io]
registry = "git://github.com/rust-lang/crates.io-index.git"

Created: 2022-01-28

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