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;
  };
}