Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: famistudio 0 -> 1
attrpath: famistudio
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/zg73p6vlwrhwvr8pmhza24ddwc1mhsg8-famistudio-4.5.1-fetch-deps.drv
  /nix/store/6rsmfzqzzglbza75v3lspsszij93jvzs-packages.json.drv
building '/nix/store/zg73p6vlwrhwvr8pmhza24ddwc1mhsg8-famistudio-4.5.1-fetch-deps.drv'...
building '/nix/store/6rsmfzqzzglbza75v3lspsszij93jvzs-packages.json.drv'...

Going to be running update for following packages:
 - famistudio-4.5.1

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - famistudio-4.5.1: UPDATING ...
 - famistudio-4.5.1: DONE.

Packages updated!

The diff was empty after rewrites.