default.nix

{ }: let
  sources = import ./sources.nix;
  overlays = [
    (import sources.nixpkgs-mozilla)
    (
      self: super: {
          rustChannel = self.rustChannelOf { channel = "stable"; };
          rustFull = self.rustChannel.rust.override {
            extensions = [
              "clippy-preview"
              "rls-preview"
              "rustfmt-preview"
              "rust-analysis"
              "rust-std"
              "rust-src"
            ];
          };
          cargo = self.rustChannel.rust;
          rustc = self.rustChannel.rust;
        }
    )
    (self: super: { crate2nix = self.callPackage sources.crate2nix {}; })
  ];
  pkgs = import <nixpkgs> { inherit overlays; };
in pkgs