tokei: modernize, adopt (#409910)

pkgs/by-name/to/tokei/package.nix

@@ -5,42 +5,49 @@
   rustPlatform,
   libiconv,
   zlib,
+  versionCheckHook,
+  nix-update-script,
 }:
 
-rustPlatform.buildRustPackage rec {
+rustPlatform.buildRustPackage (finalAttrs: {
   pname = "tokei";
   version = "13.0.0-alpha.8";
 
   src = fetchFromGitHub {
     owner = "XAMPPRocky";
-    repo = pname;
-    rev = "v${version}";
-    sha256 = "sha256-jCI9VM3y76RI65E5UGuAPuPkDRTMyi+ydx64JWHcGfE=";
+    repo = "tokei";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-jCI9VM3y76RI65E5UGuAPuPkDRTMyi+ydx64JWHcGfE=";
   };
 
   useFetchCargoVendor = true;
   cargoHash = "sha256-LzlyrKaRjUo6JnVLQnHidtI4OWa+GrhAc4D8RkL+nmQ=";
 
-  buildInputs = lib.optionals stdenv.hostPlatform.isDarwin [
-    libiconv
-  ];
+  buildInputs = lib.optionals stdenv.hostPlatform.isDarwin [ libiconv ];
 
   checkInputs = lib.optionals stdenv.hostPlatform.isDarwin [ zlib ];
 
   # enable all output formats
   buildFeatures = [ "all" ];
 
-  meta = with lib; {
-    description = "Program that allows you to count your code, quickly";
+  nativeInstallCheckInputs = [ versionCheckHook ];
+  versionCheckProgramArg = "--version";
+  doInstallCheck = true;
+
+  passthru.updateScript = nix-update-script { extraArgs = [ "--version=unstable" ]; };
+
+  meta = {
+    description = "Count your code, quickly";
     longDescription = ''
-      Tokei is a program that displays statistics about your code. Tokei will show number of files, total lines within those files and code, comments, and blanks grouped by language.
+      Tokei is a program that displays statistics about your code. Tokei will show the number of files, total lines within those files and code, comments, and blanks grouped by language.
     '';
     homepage = "https://github.com/XAMPPRocky/tokei";
-    license = with licenses; [
+    changelog = "https://github.com/XAMPPRocky/tokei/blob/v${finalAttrs.version}/CHANGELOG.md";
+    license = with lib.licenses; [
       asl20 # or
       mit
     ];
-    maintainers = with maintainers; [ ];
+    maintainers = with lib.maintainers; [ defelo ];
     mainProgram = "tokei";
   };
-}
+})