Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: cup-docker 3.4.3 -> 3.5.1 https://github.com/sergi0g/cup/releases
attrpath: cup-docker
Checking auto update branch...
[version] 
[version] generic version rewriter does not support multiple hashes
[rustCrateVersion] 
[rustCrateVersion] skipping because derivation has updateScript
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorHash
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] Success
[updateScript] this derivation will be built:
  /nix/store/hzh3vigmdaw4lp18rbqw4ijic3966iad-packages.json.drv
building '/nix/store/hzh3vigmdaw4lp18rbqw4ijic3966iad-packages.json.drv'...

Going to be running update for following packages:
 - cup-docker-3.4.3

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - cup-docker-3.4.3: UPDATING ...
 - cup-docker-3.4.3: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/by-name/cu/cup-docker/package.nix b/pkgs/by-name/cu/cup-docker/package.nix
index 02645e5b6bd2..6f1bb9bafd58 100644
--- a/pkgs/by-name/cu/cup-docker/package.nix
+++ b/pkgs/by-name/cu/cup-docker/package.nix
@@ -10,12 +10,12 @@
 }:
 let
   pname = "cup-docker";
-  version = "3.4.3";
+  version = "3.5.1";
   src = fetchFromGitHub {
     owner = "sergi0g";
     repo = "cup";
     tag = "v${version}";
-    hash = "sha256-RRhUSL9TR7qr93F5+fyhGW7j6VTs+yVvpni/JHmC5os=";
+    hash = "sha256-l7TQwCzQNwrsM+xRcRcQaxIsnd8SVzrqEMwIoZGVBR0=";
   };
   web = stdenvNoCC.mkDerivation (finalAttrs: {
     pname = "${pname}-web";
@@ -47,7 +47,7 @@ let
       cp -R ./dist $out
       runHook postInstall
     '';
-    outputHash = "sha256-Ac1PJYmTQv9XrmhmF1p77vdXh8252hz0CUKxJA+VQR4=";
+    outputHash = "sha256-uLsWppRabaI7JSHYf3YsEvf0Y36kU/iuNXnDXd+6AXY=";
     outputHashAlgo = "sha256";
     outputHashMode = "recursive";
   });

No auto update branch exists
There might already be an open PR for this update:
- cup-docker{,-noserver}: 3.4.3 -> 3.5.1
  URL "https://api.github.com/repos/NixOS/nixpkgs/issues/465543"