{ emacsPackages }:

emacsPackages.overrideScope' (self: super: {
  melpaPackages = emacsPackages.melpaPackages // {
    rust-mode = self.callPackage ./rust-mode {
      inherit (super.melpaPackages) rust-mode;
    };
  };

  rust-mode = self.callPackage ./rust-mode {
    inherit (super) rust-mode;
  };
})