Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: firefox-esr-140-unwrapped 0 -> 1
attrpath: firefox-esr-140-unwrapped
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] these 2 derivations will be built:
  /nix/store/z9i14hzdcbdaf3l862r45phsmikdx2v2-update-firefox-esr-140-unwrapped.drv
  /nix/store/w7lmab9svns4dr29p5hrg56wqhskh9w9-packages.json.drv
building '/nix/store/z9i14hzdcbdaf3l862r45phsmikdx2v2-update-firefox-esr-140-unwrapped.drv'...
structuredAttrs is enabled
building '/nix/store/w7lmab9svns4dr29p5hrg56wqhskh9w9-packages.json.drv'...
structuredAttrs is enabled

Going to be running update for following packages:
 - firefox-unwrapped-140.15.0esr

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - firefox-unwrapped-140.15.0esr: UPDATING ...
 - firefox-unwrapped-140.15.0esr: DONE.

Packages updated!

The diff was empty after rewrites.