tartan 0 -> 1
attrpath: tartan
Checking auto update branch...
[version] 
[version] skipping because derivation has updateScript
[rustCrateVersion] 
[rustCrateVersion] No cargoSha256 or cargoHash found
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorSha256 or vendorHash
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] Success
[updateScript] this derivation will be built:
  /nix/store/vxxn36dgks8hfy1009w7x89c7jj5xxbs-packages.json.drv
building '/nix/store/vxxn36dgks8hfy1009w7x89c7jj5xxbs-packages.json.drv'...

Going to be running update for following packages:
 - tartan-unstable-2021-12-23

Press Enter key to continue...
Running update for:
 - tartan-unstable-2021-12-23: UPDATING ...
 - tartan-unstable-2021-12-23: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/development/tools/analysis/tartan/default.nix b/pkgs/development/tools/analysis/tartan/default.nix
index 1106d017cba1..998b46944910 100644
--- a/pkgs/development/tools/analysis/tartan/default.nix
+++ b/pkgs/development/tools/analysis/tartan/default.nix
@@ -12,14 +12,14 @@
 
 stdenv.mkDerivation rec {
   pname = "tartan";
-  version = "unstable-2021-12-23";
+  version = "unstable-2023-05-28";
 
   src = fetchFromGitLab {
     domain = "gitlab.freedesktop.org";
     owner = "tartan";
     repo = "tartan";
-    rev = "bd4ea95d8b3ce1258491e9fac7fcc37d2b241a16";
-    sha256 = "l3duPt8Kh/JljzOV+Dm26XbS7gZ+mmFfYUYofWSJRyo=";
+    rev = "a4387a49c7bb318121a89f9042a28b4bbbec0720";
+    sha256 = "0pXZiju4OhDf9+G0t1KRafRZXVZlkTLKyAhBkyCWAk0=";
   };
 
   nativeBuildInputs = [

An auto update branch exists with message `tartan: unstable-2021-12-23 -> unstable-2023-05-28`. New version is unstable-2023-05-28.
An auto update branch exists with an equal or greater version