{ withSystem, inputs, ... }: { perSystem = { config, pkgs, ... }: { devshells.rust = { env = [ { name = "RUSTC_WRAPPER"; value = "${pkgs.sccache}/bin/sccache"; } ]; commands = [ # { # help = "print hello"; # name = "hello"; # command = "echo hello"; # } ]; packages = with pkgs; [ # Rust toolchain clang rustup # Faster builds sccache ]; }; }; }