infra/_archive/environments/dev/rust/default.nix

{
  gitpkgs ? import /home/steveej/src/github/NixOS/nixpkgs {},
  pkgs ? gitpkgs,
  name ? "generic",
  version ? "Stable",
  extraBuildInputs ? [],
}: let
  rustPackages = builtins.getAttr "rust${version}" pkgs;
  rustc = rustPackages.rustc;
  rustShellHook = {
    rustc,
    name,
  }: ''
    rustname=rust_${rustc.version}_${name}
    setPS1 $rustname
    unset name
  '';
  commonVimRC = "";
in
  pkgs.stdenv.mkDerivation {
    inherit name;
    buildInputs = with rustPackages;
      [
        (import ./vim-rust.nix {
          pkgs = gitpkgs;
          commonRC = commonVimRC;
          inherit rustc;
          racerd = pkgs.rustracerd;
        })
        rustc
        cargo
      ]
      ++ [pkgs.rustfmt]
      ++ extraBuildInputs;
    shellHook = rustShellHook {
      inherit name;
      inherit rustc;
    };
  }