dust: use finalAttrs pattern

pkgs/by-name/du/dust/package.nix

@@ -5,7 +5,7 @@
   installShellFiles,
 }:
 
-rustPlatform.buildRustPackage rec {
+rustPlatform.buildRustPackage (finalAttrs: {
   # Originally, this package was under the attribute `du-dust`, since `dust` was taken.
   # Since then, `dust` has been freed up, allowing this package to take that attribute.
   # However in order for tools like `nix-env` to detect package updates, keep `du-dust` for pname.
@@ -15,7 +15,7 @@ rustPlatform.buildRustPackage rec {
   src = fetchFromGitHub {
     owner = "bootandy";
     repo = "dust";
-    rev = "v${version}";
+    rev = "v${finalAttrs.version}";
     hash = "sha256-MmlCTF7tZBBOCnyhUjTatDjajFMGd+Nk2kYyxjzZc04=";
     # Remove unicode file names which leads to different checksums on HFS+
     # vs. other filesystems because of unicode normalisation.
@@ -43,4 +43,4 @@ rustPlatform.buildRustPackage rec {
     maintainers = with lib.maintainers; [ aaronjheng ];
     mainProgram = "dust";
   };
-}
+})