Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: firefox-beta-unwrapped 0 -> 1
attrpath: firefox-beta-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/ddbpq29vj0s6yhw18iknjynmid8axhmx-update-firefox-beta-unwrapped.drv
  /nix/store/x3vbpjmzyb3k8g1drdxb9y0rpkyzzdhs-packages.json.drv
building '/nix/store/ddbpq29vj0s6yhw18iknjynmid8axhmx-update-firefox-beta-unwrapped.drv'...
building '/nix/store/x3vbpjmzyb3k8g1drdxb9y0rpkyzzdhs-packages.json.drv'...

Going to be running update for following packages:
 - firefox-beta-unwrapped-148.0b15

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - firefox-beta-unwrapped-148.0b15: UPDATING ...
 - firefox-beta-unwrapped-148.0b15: DONE.

Packages updated!

The diff was empty after rewrites.