Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: firefox-esr-153-unwrapped 0 -> 1
attrpath: firefox-esr-153-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/hdlk735m8vfq9ci2qyh6xkks8adz9z3s-update-firefox-esr-153-unwrapped.drv
  /nix/store/xlwgnqv55xzfc9jlbll1vvq6fagq1643-packages.json.drv
building '/nix/store/hdlk735m8vfq9ci2qyh6xkks8adz9z3s-update-firefox-esr-153-unwrapped.drv'...
structuredAttrs is enabled
building '/nix/store/xlwgnqv55xzfc9jlbll1vvq6fagq1643-packages.json.drv'...
structuredAttrs is enabled

Going to be running update for following packages:
 - firefox-unwrapped-153.3.0esr

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - firefox-unwrapped-153.3.0esr: UPDATING ...
 - firefox-unwrapped-153.3.0esr: DONE.

Packages updated!

The diff was empty after rewrites.