gupnp-igd 0 -> 1
attrpath: gupnp-igd
Checking auto update branch...
[version] 
[version] skipping because derivation has updateScript
[rustCrateVersion] 
[rustCrateVersion] No cargoSha256 or cargoHash found
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorSha256 or vendorHash
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] Success
[updateScript] this derivation will be built:
  /nix/store/f1qsb4lxr80v6y61c06jr4bpsan4c0x2-packages.json.drv
building '/nix/store/f1qsb4lxr80v6y61c06jr4bpsan4c0x2-packages.json.drv'...

Going to be running update for following packages:
 - gupnp-igd-1.2.0

Press Enter key to continue...
Running update for:
 - gupnp-igd-1.2.0: UPDATING ...
 - gupnp-igd-1.2.0: DONE.

Packages updated!

The diff was empty after rewrites.