ruby2.7.6-zeitwerk 2.6.1 -> 2.6.6 https://repology.org/metapackage/ruby2.7.6-zeitwerk/versions attrpath: ruby2.7.6-zeitwerk Received ExitFailure 1 when running Raw command: /nix/store/3nqhcyc7vid1npgcd0m7arg5sn325nhz-nix-2.12.0/bin/nix eval .#ruby2.7.6-zeitwerk --apply "p: builtins.hasAttr \"updateScript\" p" Standard error: error: flake 'git+file:///var/cache/nixpkgs-update/worker/worktree/ruby2.7.6-zeitwerk' does not provide attribute 'packages.x86_64-linux.ruby2.7.6-zeitwerk', 'legacyPackages.x86_64-linux.ruby2.7.6-zeitwerk' or 'ruby2.7.6-zeitwerk' Did you mean one of ruby, grub2, iruby, jruby or mruby?