Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: codex 0 -> 1
attrpath: codex
Checking auto update branch...
[version] 
[version] generic version rewriter does not support multiple hashes
[rustCrateVersion] 
[rustCrateVersion] skipping because derivation has updateScript
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorHash
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] Success
[updateScript] this derivation will be built:
  /nix/store/hxxzchhdw5hzgj915pyjzcw2lk6c7sqf-packages.json.drv
building '/nix/store/hxxzchhdw5hzgj915pyjzcw2lk6c7sqf-packages.json.drv'...
structuredAttrs is enabled

Going to be running update for following packages:
 - codex-0.163.0

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - codex-0.163.0: UPDATING ...
 - codex-0.163.0: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/by-name/co/codex/package.nix b/pkgs/by-name/co/codex/package.nix
index b38499e623a3..1d1ee98e97fe 100644
--- a/pkgs/by-name/co/codex/package.nix
+++ b/pkgs/by-name/co/codex/package.nix
@@ -78,7 +78,7 @@ rustPlatform.buildRustPackage (finalAttrs: {
   };
 
   # Matching client/helper stamps; build_id() requires a full commit SHA.
-  buildCommit = "83086188ae0614bd882818ff1aa23f3194962012";
+  buildCommit = "rust-v0.163.0";
 
   sourceRoot = "${finalAttrs.src.name}/codex-rs";
 

Package version did not change.