libretro.mame2016 0 -> 1
attrpath: libretro.mame2016
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/i7rwb4d3x03dm775l8q7zminyj5r5r8l-packages.json.drv
building '/nix/store/i7rwb4d3x03dm775l8q7zminyj5r5r8l-packages.json.drv'...

Going to be running update for following packages:
 - libretro-mame2016-unstable-2022-04-06

Press Enter key to continue...
Running update for:
 - libretro-mame2016-unstable-2022-04-06: UPDATING ...
 - libretro-mame2016-unstable-2022-04-06: DONE.

Packages updated!

The diff was empty after rewrites.