Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: cwtch-ui 0 -> 1
attrpath: cwtch-ui
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] Failed with exit code 1
error:
       … while calling the 'derivationStrict' builtin
         at <nix/derivation-internal.nix>:37:12:
           36|
           37|   strict = derivationStrict drvAttrs;
             |            ^
           38|

       … while evaluating derivation 'nixpkgs-update-script'
         whose name attribute is located at /var/cache/nixpkgs-update/worker/worktree/cwtch-ui/pkgs/stdenv/generic/make-derivation.nix:536:13

       … while evaluating attribute 'shellHook' of derivation 'nixpkgs-update-script'
         at /var/cache/nixpkgs-update/worker/worktree/cwtch-ui/maintainers/scripts/update.nix:275:3:
          274|   '';
          275|   shellHook = ''
             |   ^
          276|     unset shellHook # do not contaminate nested shells

       (stack trace truncated; use '--show-trace' to show the full, detailed trace)

       error: attribute 'fetchGitHashesScript' missing
       at /var/cache/nixpkgs-update/worker/worktree/cwtch-ui/pkgs/by-name/cw/cwtch-ui/package.nix:69:11:
           68|         command = [
           69|           dart.fetchGitHashesScript
             |           ^
           70|           "--input"