Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: cpuinfo 0 -> 1
attrpath: cpuinfo
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/ry8rv9byzwycb45visk9bf5n8yr0xgva-packages.json.drv
building '/nix/store/ry8rv9byzwycb45visk9bf5n8yr0xgva-packages.json.drv'...

Going to be running update for following packages:
 - cpuinfo-0-unstable-2026-05-18

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - cpuinfo-0-unstable-2026-05-18: UPDATING ...
 - cpuinfo-0-unstable-2026-05-18: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/by-name/cp/cpuinfo/package.nix b/pkgs/by-name/cp/cpuinfo/package.nix
index 8f8c716aa020..6625c51186be 100644
--- a/pkgs/by-name/cp/cpuinfo/package.nix
+++ b/pkgs/by-name/cp/cpuinfo/package.nix
@@ -10,13 +10,13 @@
 }:
 stdenv.mkDerivation (finalAttrs: {
   pname = "cpuinfo";
-  version = "0-unstable-2026-05-18";
+  version = "0-unstable-2026-07-30";
 
   src = fetchFromGitHub {
     owner = "pytorch";
     repo = "cpuinfo";
-    rev = "ea6b9f1bb6e1001d8b21574d5bc78ddef62e499d";
-    hash = "sha256-/QsOjDik0TnH3FnK7LOwsJkvX+O+2DRFX4eF3MxD3fc=";
+    rev = "66ee79c038d70dad9f08705b2c9b3e58f6d8f512";
+    hash = "sha256-A+kTj3GthwmO2kKeG3gG/zjvvt45OmuEvAtRLzwfEyM=";
   };
 
   passthru.updateScript = nix-update-script { extraArgs = [ "--version=branch" ]; };
@@ -50,7 +50,7 @@ stdenv.mkDerivation (finalAttrs: {
     mainProgram = "cpu-info";
     maintainers = with lib.maintainers; [ pawelchcki ];
     pkgConfigModules = [ "libcpuinfo" ];
-    # https://github.com/pytorch/cpuinfo/blob/ea6b9f1bb6e1001d8b21574d5bc78ddef62e499d/CMakeLists.txt#L98
+    # https://github.com/pytorch/cpuinfo/blob/66ee79c038d70dad9f08705b2c9b3e58f6d8f512/CMakeLists.txt#L98
     platforms = lib.platforms.x86 ++ lib.platforms.aarch ++ lib.platforms.riscv;
   };
 })

An auto update branch exists with message `cpuinfo: 0-unstable-2026-05-18 -> 0-unstable-2026-07-30`. New version is 0-unstable-2026-07-30.
An auto update branch exists with an equal or greater version