default.nix

with import <nixpkgs> {};

let
  inherit (nur.repos.mozilla.rustChannels.nightly) rust;
  buildRustCrateWithFlags = flags: args: (buildRustCrate.override {
    rustc = rust;
  }) (args // {
    extraRustcOpts = (args.extraRustcOpts or []) ++ flags;
  });

  callCarnix = p: flags:
    let
      callPackage = newScope {
        buildRustCrate = buildRustCrateWithFlags flags;
      };
    in
      callPackage (p + "/Cargo.nix") {
        cratesIO = callPackage (p + "/crates-io.nix") {};
      };

in (callCarnix ./. [ "--edition 2018" ]).sd