Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: diffstat 0 -> 1
attrpath: diffstat
Checking auto update branch...
[version] 
[version] skipping because derivation has updateScript
[rustCrateVersion] 
[rustCrateVersion] No cargoHash found
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorHash
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] Success
[updateScript] this derivation will be built:
  /nix/store/vlkd2jhkjv381g6idg27w94pg6ijf41b-packages.json.drv
building '/nix/store/vlkd2jhkjv381g6idg27w94pg6ijf41b-packages.json.drv'...

Going to be running update for following packages:
 - diffstat-1.68

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - diffstat-1.68: UPDATING ...
 - diffstat-1.68: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/by-name/di/diffstat/package.nix b/pkgs/by-name/di/diffstat/package.nix
index 3c4ede5b1f66..fb1fc110da25 100644
--- a/pkgs/by-name/di/diffstat/package.nix
+++ b/pkgs/by-name/di/diffstat/package.nix
@@ -8,14 +8,14 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "diffstat";
-  version = "1.68";
+  version = "1.69";
 
   src = fetchurl {
     urls = [
       "https://invisible-island.net/archives/diffstat/diffstat-${finalAttrs.version}.tgz"
       "https://invisible-mirror.net/archives/diffstat/diffstat-${finalAttrs.version}.tgz"
     ];
-    hash = "sha256-ifkpSorHT8728bmsQI9D6+340gjj7+C5m0rMFtxlgsc=";
+    hash = "sha256-uwJGQHL3ad2YMv2ZlSZzTJDrTWb7VtU1FUCnUMiKd/Y=";
   };
 
   buildInputs = [ zstd ];

No auto update branch exists
There might already be an open PR for this update:
- diffstat: 1.68 -> 1.69
  URL "https://api.github.com/repos/NixOS/nixpkgs/issues/511025"